fix(syncthing): remove duplicate --no-console flag

* main:
  chore(fs): speed up case normalization (#10013)
  chore(config): remove discontinued secondary STUN servers (fixes #10011) (#10012)
  chore(gui, man, authors): update docs, translations, and contributors
  fix(stun): better error handling (ref #10008) (#10010)
  fix(config): remove discontinued primary STUN server (fixes #10008) (#10009)
  fix(gui): validate device ID in canonical form (fixes #7291) (#10006)

.github/dependabot.yml

@@ -3,11 +3,11 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: weekly
+      interval: monthly
     open-pull-requests-limit: 10
 
   - package-ecosystem: "gomod"
     directory: "/"
     schedule:
-      interval: weekly
+      interval: monthly
     open-pull-requests-limit: 10

.github/workflows/build-infra-dockers.yaml

@@ -7,17 +7,21 @@ on:
       - infra-*
 
 env:
-  GO_VERSION: "~1.23.0"
+  GO_VERSION: "~1.24.0"
   CGO_ENABLED: "0"
   BUILD_USER: docker
   BUILD_HOST: github.syncthing.net
 
+permissions:
+  contents: read
+  packages: write
+
 jobs:
   docker-syncthing:
     name: Build and push Docker images
     if: github.repository == 'syncthing/syncthing'
     runs-on: ubuntu-latest
-    environment: docker
+    environment: release
     strategy:
       matrix:
         pkg:
@@ -41,6 +45,13 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Build binaries
         run: |
           for arch in arm64 amd64; do
@@ -53,13 +64,13 @@ jobs:
 
       - name: Set Docker tags (all branches)
         run: |
-          tags=syncthing/${{ matrix.pkg }}:${{ github.sha }}
+          tags=docker.io/syncthing/${{ matrix.pkg }}:${{ github.sha }},ghcr.io/syncthing/infra/${{ matrix.pkg }}:${{ github.sha }}
           echo "TAGS=$tags" >> $GITHUB_ENV
 
       - name: Set Docker tags (latest)
         if: github.ref == 'refs/heads/infrastructure'
         run: |
-          tags=syncthing/${{ matrix.pkg }}:latest,${{ env.TAGS }}
+          tags=docker.io/syncthing/${{ matrix.pkg }}:latest,ghcr.io/syncthing/infra/${{ matrix.pkg }}:latest,${{ env.TAGS }}
           echo "TAGS=$tags" >> $GITHUB_ENV
 
       - name: Build and push

.github/workflows/build-nightly.yaml

@@ -0,0 +1,18 @@
+name: Build Syncthing (Nightly)
+
+on:
+  schedule:
+    # Run nightly build at 05:00 UTC
+    - cron: '00 05 * * *'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  build-syncthing:
+    uses: ./.github/workflows/build-syncthing.yaml
+    # if we only want nightlies to run for specific users:
+    # if: contains(fromJSON('["syncthing", "calmh"]'), github.repository_owner)
+    secrets: inherit

.github/workflows/build-syncthing.yaml

@@ -3,20 +3,16 @@ name: Build Syncthing
 on:
   pull_request:
   push:
-  schedule:
-    # Run nightly build at 05:00 UTC
-    - cron: '00 05 * * *'
+  workflow_call:
   workflow_dispatch:
 
 env:
   # The go version to use for builds. We set check-latest to true when
   # installing, so we get the latest patch version that matches the
   # expression.
-  GO_VERSION: "~1.23.0"
+  GO_VERSION: "~1.24.0"
 
   # Optimize compatibility on the slow archictures.
-  GO386: softfloat
-  GOARM: "5"
   GOMIPS: softfloat
 
   # Avoid hilarious amounts of obscuring log output when running tests.
@@ -26,6 +22,8 @@ env:
   BUILD_USER: builder
   BUILD_HOST: github.syncthing.net
 
+  TAGS: "netgo osusergo sqlite_omit_load_extension"
+
 # A note on actions and third party code... The actions under actions/ (like
 # `uses: actions/checkout`) are maintained by GitHub, and we need to trust
 # GitHub to maintain their code and infrastructure or we're in deep shit in
@@ -48,7 +46,7 @@ jobs:
         runner: ["windows-latest", "ubuntu-latest", "macos-latest"]
         # The oldest version in this list should match what we have in our go.mod.
         # Variables don't seem to be supported here, or we could have done something nice.
-        go: ["~1.22.6", "~1.23.0"]
+        go: ["~1.23.0", "~1.24.0"]
     runs-on: ${{ matrix.runner }}
     steps:
       - name: Set git to use LF
@@ -83,10 +81,11 @@ jobs:
           go run build.go test | go-test-json-to-loki
         env:
           GOFLAGS: "-json"
-          LOKI_URL: ${{ vars.LOKI_URL }}
-          LOKI_USER: ${{ vars.LOKI_USER }}
+          LOKI_URL: ${{ secrets.LOKI_URL }}
+          LOKI_USER: ${{ secrets.LOKI_USER }}
           LOKI_PASSWORD: ${{ secrets.LOKI_PASSWORD }}
           LOKI_LABELS: "go=${{ matrix.go }},runner=${{ matrix.runner }},repo=${{ github.repository }},ref=${{ github.ref }}"
+          CGO_ENABLED: "1"
 
   #
   # Meta checks for formatting, copyright, etc
@@ -127,6 +126,7 @@ jobs:
       - package-cross
       - package-source
       - package-debian
+      - package-windows
       - govulncheck
     steps:
       - uses: actions/checkout@v4
@@ -137,22 +137,12 @@ jobs:
 
   package-windows:
     name: Package for Windows
-    if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || startsWith(github.ref, 'refs/heads/release-'))
-    environment: signing
-    runs-on: windows-latest
+    runs-on: ubuntu-latest
     steps:
-      - name: Set git to use LF
-        # Without this, the checkout will happen with CRLF line endings,
-        # which is fine for the source code but messes up tests that depend
-        # on data on disk being as expected. Ideally, those tests should be
-        # fixed, but not today.
-        run: |
-          git config --global core.autocrlf false
-          git config --global core.eol lf
-
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.ref }} # https://github.com/actions/checkout/issues/882
 
       - uses: actions/setup-go@v5
         with:
@@ -160,17 +150,14 @@ jobs:
           cache: false
           check-latest: true
 
-      - name: Get actual Go version
-        run: |
-          go version
-          echo "GO_VERSION=$(go version | sed 's#^.*go##;s# .*##')" >> $GITHUB_ENV
+      - uses: mlugg/setup-zig@v1
 
       - uses: actions/cache@v4
         with:
           path: |
-            ~\AppData\Local\go-build
-            ~\go\pkg\mod
-          key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-package-${{ hashFiles('**/go.sum') }}
+            ~/.cache/go-build
+            ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-package-windows-${{ hashFiles('**/go.sum') }}
 
       - name: Install dependencies
         run: |
@@ -178,22 +165,73 @@ jobs:
 
       - name: Create packages
         run: |
-          go run build.go -goarch amd64 zip
-          go run build.go -goarch arm zip
-          go run build.go -goarch arm64 zip
-          go run build.go -goarch 386 zip
+          for tgt in syncthing stdiscosrv strelaysrv ; do
+            go run build.go -tags "${{env.TAGS}}" -goos windows -goarch amd64 -cc "zig cc -target x86_64-windows" zip $tgt
+            go run build.go -tags "${{env.TAGS}}" -goos windows -goarch 386 -cc "zig cc -target x86-windows" zip $tgt
+            go run build.go -tags "${{env.TAGS}}" -goos windows -goarch arm64 -cc "zig cc -target aarch64-windows" zip $tgt
+            # go run build.go -tags "${{env.TAGS}}" -goos windows -goarch arm -cc "zig cc -target thumb-windows" zip $tgt # failes with linker errors
+          done
         env:
-          CGO_ENABLED: "0"
-          CODESIGN_SIGNTOOL: ${{ secrets.CODESIGN_SIGNTOOL }}
-          CODESIGN_CERTIFICATE_BASE64: ${{ secrets.CODESIGN_CERTIFICATE_BASE64 }}
-          CODESIGN_CERTIFICATE_PASSWORD: ${{ secrets.CODESIGN_CERTIFICATE_PASSWORD }}
-          CODESIGN_TIMESTAMP_SERVER: ${{ secrets.CODESIGN_TIMESTAMP_SERVER }}
+          CGO_ENABLED: "1"
+
+      - name: Archive artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: unsigned-packages-windows
+          path: "*.zip"
+
+  codesign-windows:
+    name: Codesign for Windows
+    if: github.repository_owner == 'syncthing' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || startsWith(github.ref, 'refs/heads/release-') || startsWith(github.ref, 'refs/tags/v'))
+    environment: release
+    runs-on: windows-latest
+    needs:
+      - package-windows
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: unsigned-packages-windows
+          path: packages
+
+      - name: Extract packages
+        working-directory: packages
+        run: |
+          $files = Get-ChildItem "." -Filter *.zip
+          foreach ($file in $files) {
+            7z x $file.Name
+          }
+
+      - name: Sign files with Trusted Signing
+        uses: azure/trusted-signing-action@v0.5.1
+        with:
+          azure-tenant-id: ${{ secrets.AZURE_TRUSTED_SIGNING_TENANT_ID }}
+          azure-client-id: ${{ secrets.AZURE_TRUSTED_SIGNING_CLIENT_ID }}
+          azure-client-secret: ${{ secrets.AZURE_TRUSTED_SIGNING_CLIENT_SECRET }}
+          endpoint: ${{ secrets.AZURE_TRUSTED_SIGNING_ENDPOINT }}
+          trusted-signing-account-name: ${{ secrets.AZURE_TRUSTED_SIGNING_ACCOUNT }}
+          certificate-profile-name: ${{ secrets.AZURE_TRUSTED_SIGNING_PROFILE }}
+          files-folder: ${{ github.workspace }}\packages
+          files-folder-filter: exe
+          files-folder-recurse: true
+          file-digest: SHA256
+          timestamp-rfc3161: http://timestamp.acs.microsoft.com
+          timestamp-digest: SHA256
+
+      - name: Repackage packages
+        working-directory: packages
+        run: |
+          $files = Get-ChildItem "." -Filter *.zip
+          foreach ($file in $files) {
+            Remove-Item $file.Name
+            7z a -tzip $file.Name $file.BaseName
+          }
 
       - name: Archive artifacts
         uses: actions/upload-artifact@v4
         with:
           name: packages-windows
-          path: syncthing-windows-*.zip
+          path: "packages/*.zip"
 
   #
   # Linux
@@ -206,6 +244,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.ref }} # https://github.com/actions/checkout/issues/882
 
       - uses: actions/setup-go@v5
         with:
@@ -218,6 +257,8 @@ jobs:
           go version
           echo "GO_VERSION=$(go version | sed 's#^.*go##;s# .*##')" >> $GITHUB_ENV
 
+      - uses: mlugg/setup-zig@v1
+
       - uses: actions/cache@v4
         with:
           path: |
@@ -227,19 +268,32 @@ jobs:
 
       - name: Create packages
         run: |
-          archs=$(go tool dist list | grep linux | sed 's#linux/##')
-          for goarch in $archs ; do
-            go run build.go -goarch "$goarch" tar
+          sudo apt-get install -y gcc-mips64-linux-gnuabi64 gcc-mips64el-linux-gnuabi64
+          for tgt in syncthing stdiscosrv strelaysrv ; do
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch amd64 -cc "zig cc -target x86_64-linux-musl" tar "$tgt"
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch 386 -cc "zig cc -target x86-linux-musl" tar "$tgt"
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch arm -cc "zig cc -target arm-linux-musleabi" tar "$tgt"
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch arm64 -cc "zig cc -target aarch64-linux-musl" tar "$tgt"
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch mips -cc "zig cc -target mips-linux-musleabi" tar "$tgt"
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch mipsle -cc "zig cc -target mipsel-linux-musleabi" tar "$tgt"
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch mips64 -cc mips64-linux-gnuabi64-gcc tar "$tgt"
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch mips64le -cc mips64el-linux-gnuabi64-gcc tar "$tgt"
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch riscv64 -cc "zig cc -target riscv64-linux-musl" tar "$tgt"
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch s390x -cc "zig cc -target s390x-linux-musl" tar "$tgt"
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch loong64 -cc "zig cc -target loongarch64-linux-musl" tar "$tgt"
+            # go run build.go -tags "${{env.TAGS}}" -goos linux -goarch ppc64 -cc "zig cc -target powerpc64-linux-musl" tar "$tgt" # fails with linkmode not supported
+            go run build.go -tags "${{env.TAGS}}" -goos linux -goarch ppc64le -cc "zig cc -target powerpc64le-linux-musl" tar "$tgt"
           done
         env:
-          CGO_ENABLED: "0"
+          CGO_ENABLED: "1"
+          EXTRA_LDFLAGS: "-linkmode=external -extldflags=-static"
 
       - name: Archive artifacts
         uses: actions/upload-artifact@v4
         with:
           name: packages-linux
           path: |
-            syncthing-linux-*.tar.gz
+            *.tar.gz
             compat.json
 
   #
@@ -248,13 +302,16 @@ jobs:
 
   package-macos:
     name: Package for macOS
-    if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || startsWith(github.ref, 'refs/heads/release-'))
-    environment: signing
+    if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || startsWith(github.ref, 'refs/heads/release-') || startsWith(github.ref, 'refs/tags/v'))
+    environment: release
+    env:
+      CODESIGN_IDENTITY: ${{ secrets.CODESIGN_IDENTITY }}
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.ref }} # https://github.com/actions/checkout/issues/882
 
       - uses: actions/setup-go@v5
         with:
@@ -275,6 +332,7 @@ jobs:
           key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-package-${{ hashFiles('**/go.sum') }}
 
       - name: Import signing certificate
+        if: env.CODESIGN_IDENTITY != ''
         run: |
           # Set up a run-specific keychain, making it available for the
           # `codesign` tool.
@@ -301,7 +359,9 @@ jobs:
 
       - name: Create package (amd64)
         run: |
-          go run build.go -goarch amd64 zip
+          for tgt in syncthing stdiscosrv strelaysrv ; do
+            go run build.go -tags "${{env.TAGS}}" -goarch amd64 zip "$tgt"
+          done
         env:
           CGO_ENABLED: "1"
 
@@ -315,7 +375,9 @@ jobs:
             go "\$@"
           EOT
           chmod 755 xgo.sh
-          go run build.go -gocmd ./xgo.sh -goarch arm64 zip
+          for tgt in syncthing stdiscosrv strelaysrv ; do
+            go run build.go -tags "${{env.TAGS}}" -gocmd ./xgo.sh -goarch arm64 zip "$tgt"
+          done
         env:
           CGO_ENABLED: "1"
 
@@ -339,15 +401,14 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: packages-macos
-          path: syncthing-*.zip
+          path: "*.zip"
 
   notarize-macos:
     name: Notarize for macOS
-    if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || startsWith(github.ref, 'refs/heads/release-'))
-    environment: signing
+    if: github.repository_owner == 'syncthing' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || startsWith(github.ref, 'refs/heads/release-') || startsWith(github.ref, 'refs/tags/v'))
+    environment: release
     needs:
       - package-macos
-      - basics
     runs-on: macos-latest
     steps:
       - name: Download artifacts
@@ -359,7 +420,7 @@ jobs:
         run: |
           APPSTORECONNECT_API_KEY_PATH="$RUNNER_TEMP/apikey.p8"
           echo "$APPSTORECONNECT_API_KEY" | base64 -d -o "$APPSTORECONNECT_API_KEY_PATH"
-          for file in syncthing-macos-*.zip ; do
+          for file in *-macos-*.zip ; do
             xcrun notarytool submit \
               -k "$APPSTORECONNECT_API_KEY_PATH" \
               -d "$APPSTORECONNECT_API_KEY_ID" \
@@ -382,6 +443,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.ref }} # https://github.com/actions/checkout/issues/882
 
       - uses: actions/setup-go@v5
         with:
@@ -424,9 +486,11 @@ jobs:
             goos="${plat%/*}"
             goarch="${plat#*/}"
             echo "::group ::$plat"
-            if ! go run build.go -goos "$goos" -goarch "$goarch" tar 2>/dev/null; then
-              echo "::warning ::Failed to build for $plat"
-            fi
+            for tgt in syncthing stdiscosrv strelaysrv ; do
+              if ! go run build.go -goos "$goos" -goarch "$goarch" tar "$tgt" ; then
+                echo "::warning ::Failed to build $tgt for $plat"
+              fi
+            done
             echo "::endgroup::"
           done
         env:
@@ -436,7 +500,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: packages-other
-          path: syncthing-*.tar.gz
+          path: "*.tar.gz"
 
   #
   # Source
@@ -449,6 +513,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.ref }} # https://github.com/actions/checkout/issues/882
 
       - uses: actions/setup-go@v5
         with:
@@ -484,11 +549,10 @@ jobs:
 
   sign-for-upgrade:
     name: Sign for upgrade
-    if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || startsWith(github.ref, 'refs/heads/release-'))
-    environment: signing
+    if: github.repository_owner == 'syncthing' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || startsWith(github.ref, 'refs/heads/release-')  || startsWith(github.ref, 'refs/tags/v'))
+    environment: release
     needs:
-      - basics
-      - package-windows
+      - codesign-windows
       - package-linux
       - package-macos
       - package-cross
@@ -498,6 +562,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.ref }} # https://github.com/actions/checkout/issues/882
 
       - uses: actions/checkout@v4
         with:
@@ -531,30 +596,44 @@ jobs:
         env:
           STSIGTOOL_PRIVATE_KEY: ${{ secrets.STSIGTOOL_PRIVATE_KEY }}
 
-      - name: Create and sign .asc files
+      - name: Create shasum files
         run: |
-          sudo apt update
-          sudo apt -y install gnupg
-
-          export SIGNING_KEY="$RUNNER_TEMP/gpg-secret.asc"
-          echo "$GNUPG_SIGNING_KEY_BASE64" | base64 -d > "$SIGNING_KEY"
-          gpg --import < "$SIGNING_KEY"
-
           pushd packages
           files=(*.tar.gz *.zip)
-          sha1sum "${files[@]}" | gpg --clearsign > sha1sum.txt.asc
-          sha256sum "${files[@]}" | gpg --clearsign > sha256sum.txt.asc
-          gpg --sign --armour --detach syncthing-source-*.tar.gz
+          sha1sum "${files[@]}" > sha1sum.txt
+          sha256sum "${files[@]}" > sha256sum.txt
           popd
-          rm -f "$SIGNING_KEY" .gnupg
+
+          version=$(go run build.go version)
+          echo "VERSION=$version" >> $GITHUB_ENV
+
+      - name: Sign shasum files
+        uses: docker://ghcr.io/kastelo/ezapt:latest
+        with:
+          args:
+            sign
+            packages/sha1sum.txt packages/sha256sum.txt
         env:
-          GNUPG_SIGNING_KEY_BASE64: ${{ secrets.GNUPG_SIGNING_KEY_BASE64 }}
+          EZAPT_KEYRING_BASE64: ${{ secrets.APT_GPG_KEYRING_BASE64 }}
+
+      - name: Sign source
+        uses: docker://ghcr.io/kastelo/ezapt:latest
+        with:
+          args:
+            sign --detach --ascii
+            packages/syncthing-source-${{ env.VERSION }}.tar.gz
+        env:
+          EZAPT_KEYRING_BASE64: ${{ secrets.APT_GPG_KEYRING_BASE64 }}
 
       - name: Archive artifacts
         uses: actions/upload-artifact@v4
         with:
           name: packages-signed
-          path: packages/*
+          path: |
+            packages/*.tar.gz
+            packages/*.zip
+            packages/*.asc
+            packages/*.json
 
   #
   # Debian
@@ -567,6 +646,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.ref }} # https://github.com/actions/checkout/issues/882
 
       - uses: actions/setup-go@v5
         with:
@@ -587,6 +667,8 @@ jobs:
         run: |
           gem install fpm
 
+      - uses: mlugg/setup-zig@v1
+
       - uses: actions/cache@v4
         with:
           path: |
@@ -594,13 +676,17 @@ jobs:
             ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-debian-${{ hashFiles('**/go.sum') }}
 
-      - name: Package for Debian
+      - name: Package for Debian (CGO)
         run: |
-          for arch in amd64 i386 armhf armel arm64 ; do
-            go run build.go -no-upgrade -installsuffix=no-upgrade -goarch "$arch" deb
+          for tgt in syncthing stdiscosrv strelaysrv ; do
+            go run build.go -no-upgrade -installsuffix=no-upgrade -tags "${{env.TAGS}}" -goos linux -goarch amd64 -cc "zig cc -target x86_64-linux-musl" deb "$tgt"
+            go run build.go -no-upgrade -installsuffix=no-upgrade -tags "${{env.TAGS}}" -goos linux -goarch arm -cc "zig cc -target arm-linux-musleabi" deb "$tgt"
+            go run build.go -no-upgrade -installsuffix=no-upgrade -tags "${{env.TAGS}}" -goos linux -goarch arm64 -cc "zig cc -target aarch64-linux-musl" deb "$tgt"
           done
         env:
           BUILD_USER: debian
+          CGO_ENABLED: "1"
+          EXTRA_LDFLAGS: "-linkmode=external -extldflags=-static"
 
       - name: Archive artifacts
         uses: actions/upload-artifact@v4
@@ -614,11 +700,10 @@ jobs:
 
   publish-nightly:
     name: Publish nightly build
-    if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && startsWith(github.ref, 'refs/heads/release-nightly')
-    environment: signing
+    if: github.repository_owner == 'syncthing' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && startsWith(github.ref, 'refs/heads/release-nightly')
+    environment: release
     needs:
       - sign-for-upgrade
-      - notarize-macos
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -665,8 +750,8 @@ jobs:
 
   publish-release-files:
     name: Publish release files
-    if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && github.ref == 'refs/heads/release'
-    environment: signing
+    if: github.repository_owner == 'syncthing' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || startsWith(github.ref, 'refs/tags/v'))
+    environment: release
     needs:
       - sign-for-upgrade
       - package-debian
@@ -675,6 +760,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.ref }} # https://github.com/actions/checkout/issues/882
 
       - name: Download signed packages
         uses: actions/download-artifact@v4
@@ -731,16 +817,16 @@ jobs:
 
   publish-apt:
     name: Publish APT
-    if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || startsWith(github.ref, 'refs/heads/release-'))
-    environment: signing
+    if: github.repository_owner == 'syncthing' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || startsWith(github.ref, 'refs/heads/release-') || startsWith(github.ref, 'refs/tags/v'))
+    environment: release
     needs:
-      - basics
       - package-debian
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.ref }} # https://github.com/actions/checkout/issues/882
 
       - name: Download packages
         uses: actions/download-artifact@v4
@@ -758,7 +844,9 @@ jobs:
       - name: Prepare packages
         run: |
           kind=stable
-          if [[ $VERSION == *-rc.[0-9] ]] ; then
+          if [[ $VERSION == v2* ]] ; then
+            kind=v2
+          elif [[ $VERSION == *-rc.[0-9] ]] ; then
             kind=candidate
           elif [[ $VERSION == *-* ]] ; then
             kind=nightly
@@ -780,19 +868,15 @@ jobs:
         with:
           args: sync objstore:syncthing-apt/dists dists
 
-      - name: Prepare signing key
-        run: |
-          echo "$APT_GPG_KEYRING_BASE64" | base64 -d > keyring.pgp
-        env:
-          APT_GPG_KEYRING_BASE64: ${{ secrets.APT_GPG_KEYRING_BASE64 }}
-
       - name: Update archive
         uses: docker://ghcr.io/kastelo/ezapt:latest
         with:
           args:
+            publish
             --add packages
             --dists dists
-            --keyring keyring.pgp
+        env:
+          EZAPT_KEYRING_BASE64: ${{ secrets.APT_GPG_KEYRING_BASE64 }}
 
       - name: Push archive
         uses: docker://docker.io/rclone/rclone:latest
@@ -814,8 +898,13 @@ jobs:
   docker-syncthing:
     name: Build and push Docker images
     runs-on: ubuntu-latest
-    if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && (github.ref == 'refs/heads/release' || github.ref == 'refs/heads/main' || github.ref == 'refs/heads/infrastructure' || startsWith(github.ref, 'refs/heads/release-'))
+    if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
     environment: docker
+    env:
+      DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
+    permissions:
+      contents: read
+      packages: write
     strategy:
       matrix:
         pkg:
@@ -825,17 +914,18 @@ jobs:
         include:
           - pkg: syncthing
             dockerfile: Dockerfile
-            image: syncthing/syncthing
+            image: syncthing
           - pkg: strelaysrv
             dockerfile: Dockerfile.strelaysrv
-            image: syncthing/relaysrv
+            image: relaysrv
           - pkg: stdiscosrv
             dockerfile: Dockerfile.stdiscosrv
-            image: syncthing/discosrv
+            image: discosrv
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.ref }} # https://github.com/actions/checkout/issues/882
 
       - uses: actions/setup-go@v5
         with:
@@ -848,6 +938,8 @@ jobs:
           go version
           echo "GO_VERSION=$(go version | sed 's#^.*go##;s# .*##')" >> $GITHUB_ENV
 
+      - uses: mlugg/setup-zig@v1
+
       - uses: actions/cache@v4
         with:
           path: |
@@ -855,29 +947,39 @@ jobs:
             ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-docker-${{ matrix.pkg }}-${{ hashFiles('**/go.sum') }}
 
-      - name: Build binaries
+      - name: Build binaries (CGO)
         run: |
-          for arch in amd64 arm64 arm; do
-            go run build.go -goos linux -goarch "$arch" -no-upgrade build ${{ matrix.pkg }}
-            mv ${{ matrix.pkg }} ${{ matrix.pkg }}-linux-"$arch"
-          done
-        env:
-          CGO_ENABLED: "0"
-          BUILD_USER: docker
+          # amd64
+          go run build.go -goos linux -goarch amd64 -tags "${{env.TAGS}}" -cc "zig cc -target x86_64-linux-musl" -no-upgrade build ${{ matrix.pkg }}
+          mv ${{ matrix.pkg }} ${{ matrix.pkg }}-linux-amd64
 
-      - name: Check if we will be able to push images
-        run: |
-          if [[ "${{ secrets.DOCKERHUB_TOKEN }}" != "" ]]; then
-            echo "DOCKER_PUSH=true" >> $GITHUB_ENV;
-          fi
+          # arm64
+          go run build.go -goos linux -goarch arm64 -tags "${{env.TAGS}}" -cc "zig cc -target aarch64-linux-musl" -no-upgrade build ${{ matrix.pkg }}
+          mv ${{ matrix.pkg }} ${{ matrix.pkg }}-linux-arm64
+
+          # arm
+          go run build.go -goos linux -goarch arm -tags "${{env.TAGS}}" -cc "zig cc -target arm-linux-musleabi" -no-upgrade build ${{ matrix.pkg }}
+          mv ${{ matrix.pkg }} ${{ matrix.pkg }}-linux-arm
+        env:
+          CGO_ENABLED: "1"
+          BUILD_USER: docker
+          EXTRA_LDFLAGS: "-linkmode=external -extldflags=-static"
 
       - name: Login to Docker Hub
         uses: docker/login-action@v3
-        if: env.DOCKER_PUSH == 'true'
+        if: env.DOCKERHUB_USERNAME != ''
         with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          registry: docker.io
+          username: ${{ env.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -885,18 +987,31 @@ jobs:
         run: |
           version=$(go run build.go version)
           version=${version#v}
+          repo=ghcr.io/${{ github.repository_owner }}/${{ matrix.image }}
+          ref="${{github.ref_name}}"
+          ref=${ref//\//-} # slashes to dashes
+
+          # List of tags for ghcr.io
           if [[ $version == @([0-9]|[0-9][0-9]).@([0-9]|[0-9][0-9]).@([0-9]|[0-9][0-9]) ]] ; then
-            echo Release version, pushing to :latest and version tags
             major=${version%.*.*}
             minor=${version%.*}
-            tags=${{ matrix.image }}:$version,${{ matrix.image }}:$major,${{ matrix.image }}:$minor,${{ matrix.image }}:latest
+            tags=$repo:$version,$repo:$major,$repo:$minor,$repo:latest
           elif [[ $version == *-rc.@([0-9]|[0-9][0-9]) ]] ; then
-            echo Release candidate, pushing to :rc
-            tags=${{ matrix.image }}:rc
+            tags=$repo:$version,$repo:rc
+          elif [[ $ref == "main" ]] ; then
+            tags=$repo:edge
           else
-            echo Development version, pushing to :edge
-            tags=${{ matrix.image }}:edge
+            tags=$repo:$ref
           fi
+
+          # If we have a Docker Hub secret, also push to there.
+          if [[ $DOCKERHUB_USERNAME != "" ]] ; then
+            dockerhubtags="${tags//ghcr.io\/syncthing/docker.io\/syncthing}"
+            tags="$tags,$dockerhubtags"
+          fi
+
+          echo Pushing to $tags
+
           echo "DOCKER_TAGS=$tags" >> $GITHUB_ENV
           echo "VERSION=$version" >> $GITHUB_ENV
 
@@ -906,8 +1021,8 @@ jobs:
           context: .
           file: ${{ matrix.dockerfile }}
           platforms: linux/amd64,linux/arm64,linux/arm/7
-          push: ${{ env.DOCKER_PUSH == 'true' }}
           tags: ${{ env.DOCKER_TAGS }}
+          push: true
           labels: |
             org.opencontainers.image.version=${{ env.VERSION }}
             org.opencontainers.image.revision=${{ github.sha }}

.gitignore

@@ -17,5 +17,4 @@ deb
 *.bz2
 /repos
 /proto/scripts/protoc-gen-gosyncthing
-/gui/next-gen-gui
 /compat.json

.golangci.yml

@@ -1,26 +1,45 @@
-linters-settings:
-  maligned:
-    suggest-new: true
-
 linters:
   enable-all: true
   disable:
-    - goimports
+    - cyclop
     - depguard
-    - lll
-    - gochecknoinits
-    - gochecknoglobals
-    - gofmt
-    - scopelint
-    - gocyclo
+    - err113
+    - exhaustive
+    - exhaustruct
     - funlen
-    - wsl
+    - gci
+    - gochecknoglobals
+    - gochecknoinits
     - gocognit
+    - goconst
+    - gocyclo
+    - godot
     - godox
+    - gofmt
+    - goimports
+    - gomoddirectives
+    - inamedparam
+    - interfacebloat
+    - ireturn
+    - lll
+    - maintidx
+    - musttag
+    - nestif
+    - nlreturn
+    - nonamedreturns
+    - paralleltest
+    - prealloc
+    - protogetter
+    - scopelint
+    - tagalign
+    - tagliatelle
+    - testpackage
+    - varnamelen
+    - wrapcheck
+    - wsl
 
-service:
-  golangci-lint-version: 1.21.x
-  prepare:
-    - rm -f go.sum # 1.12 -> 1.13 issues with QUIC-go
-    - GO111MODULE=on go mod vendor
-    - go run build.go assets
+issues:
+  exclude-dirs:
+    - internal/gen
+    - cmd/dev
+    - repos

.policy.yml

@@ -42,7 +42,6 @@ approval_rules:
         paths:
           - ^[^/]+\.md
           - ^\.policy\.yml
-          - ^\.github/
           - ^LICENSE
     requires:
       count: 1

AUTHORS

@@ -20,6 +20,7 @@ Alan Pope <alan@popey.com>
 Alberto Donato <albertodonato@users.noreply.github.com>
 Aleksey Vasenev <margtu-fivt@ya.ru>
 Alessandro G. (alessandro.g89) <alessandro.g89@gmail.com>
+Alex Ionescu <github@ionescu.sh>
 Alex Lindeman <139387+aelindeman@users.noreply.github.com>
 Alex Xu <alex.hello71@gmail.com>
 Alexander Graf (alex2108) <register-github@alex-graf.de>
@@ -96,6 +97,7 @@ Daniel Harte (norgeous) <daniel@harte.me> <daniel@danielharte.co.uk> <norgeous@u
 Daniel Martí (mvdan) <mvdan@mvdan.cc>
 Daniel Padrta <64928366+danpadcz@users.noreply.github.com>
 Darshil Chanpura (dtchanpura) <dtchanpura@gmail.com> <dcprime314@gmail.com>
+dashangcun <907225865@qq.com>
 David Rimmer (dinosore) <dinosore@dbrsoftware.co.uk>
 deepsource-autofix[bot] <62050782+deepsource-autofix[bot]@users.noreply.github.com>
 DeflateAwning <11021263+DeflateAwning@users.noreply.github.com>
@@ -221,6 +223,7 @@ Marc Laporte (marclaporte) <marc@marclaporte.com> <marc@laporte.name>
 Marc Pujol (kilburn) <kilburn@la3.org>
 Marcin Dziadus (marcindziadus) <dziadus.marcin@gmail.com>
 marco-m <marco.molteni@laposte.net>
+Marcus B Spencer <marcus@marcusspencer.xyz>
 Marcus Legendre <marcus.legendre@gmail.com>
 Mario Majila <mariustshipichik@gmail.com>
 Mark Pulford (mpx) <mark@kyne.com.au>
@@ -228,6 +231,7 @@ Martchus <martchus@gmx.net>
 Martin Polehla <p0l0us@users.noreply.github.com>
 Mateusz Naściszewski (mateon1) <matin1111@wp.pl>
 Mateusz Ż <thedead4fun@live.com>
+mathias4833 <67101597+mathias4833@users.noreply.github.com>
 Matic Potočnik <hairyfotr@gmail.com>
 Matt Burke (burkemw3) <mburke@amplify.com> <burkemw3@gmail.com>
 Matt Robenolt <matt@ydekproductions.com>
@@ -286,6 +290,7 @@ Philippe Schommers (filoozoom) <philippe@schommers.be>
 Phill Luby (pluby) <phill.luby@newredo.com>
 Pier Paolo Ramon <ramonpierre@gmail.com>
 Piotr Bejda (piobpl) <piotrb10@gmail.com>
+polyfloyd <polyfloyd@users.noreply.github.com>
 Pramodh KP (pramodhkp) <pramodh.p@directi.com> <1507241+pramodhkp@users.noreply.github.com>
 Quentin Hibon <qh.public@yahoo.com>
 Rahmi Pruitt <rjpruitt16@gmail.com>

README.md

@@ -82,13 +82,11 @@ build process.
 
 ## Signed Releases
 
-As of v0.10.15 and onwards, release binaries are GPG signed with the key
-D26E6ED000654A3E, available from https://syncthing.net/security/ and
-most key servers.
-
-There is also a built-in automatic upgrade mechanism (disabled in some
-distribution channels) which uses a compiled in ECDSA signature. macOS
-binaries are also properly code signed.
+Release binaries are GPG signed with the key available from
+https://syncthing.net/security/. There is also a built-in automatic
+upgrade mechanism (disabled in some distribution channels) which uses a
+compiled in ECDSA signature. macOS and Windows binaries are also
+code-signed.
 
 ## Documentation
 

buf.gen.yaml

@@ -0,0 +1,12 @@
+version: v2
+managed:
+  enabled: true
+  override:
+    - file_option: go_package_prefix
+      value: github.com/syncthing/syncthing/internal/gen
+plugins:
+  - remote: buf.build/protocolbuffers/go:v1.35.1
+    out: .
+    opt: module=github.com/syncthing/syncthing
+inputs:
+  - directory: proto

buf.yaml

@@ -0,0 +1,10 @@
+version: v2
+modules:
+  - path: proto
+    name: github.com/syncthing/syncthing
+lint:
+  use:
+    - STANDARD
+breaking:
+  use:
+    - WIRE_JSON

build.go

@@ -15,7 +15,6 @@ import (
 	"bytes"
 	"compress/flate"
 	"compress/gzip"
-	"encoding/base64"
 	"encoding/json"
 	"errors"
 	"flag"
@@ -39,27 +38,26 @@ import (
 )
 
 var (
-	goarch         string
-	goos           string
-	noupgrade      bool
-	version        string
-	goCmd          string
-	race           bool
-	debug          = os.Getenv("BUILDDEBUG") != ""
-	extraTags      string
-	installSuffix  string
-	pkgdir         string
-	cc             string
-	run            string
-	benchRun       string
-	buildOut       string
-	debugBinary    bool
-	coverage       bool
-	long           bool
-	timeout        = "120s"
-	longTimeout    = "600s"
-	numVersions    = 5
-	withNextGenGUI = os.Getenv("BUILD_NEXT_GEN_GUI") != ""
+	goarch        string
+	goos          string
+	noupgrade     bool
+	version       string
+	goCmd         string
+	race          bool
+	debug         = os.Getenv("BUILDDEBUG") != ""
+	extraTags     string
+	installSuffix string
+	pkgdir        string
+	cc            string
+	run           string
+	benchRun      string
+	buildOut      string
+	debugBinary   bool
+	coverage      bool
+	long          bool
+	timeout       = "120s"
+	longTimeout   = "600s"
+	numVersions   = 5
 )
 
 type target struct {
@@ -86,7 +84,6 @@ var targets = map[string]target{
 	"all": {
 		// Only valid for the "build" and "install" commands as it lacks all
 		// the archive creation stuff. buildPkgs gets filled out in init()
-		tags: []string{"purego"},
 	},
 	"syncthing": {
 		// The default target for "build", "install", "tar", "zip", "deb", etc.
@@ -158,7 +155,6 @@ var targets = map[string]target{
 			{src: "cmd/stdiscosrv/etc/linux-systemd/default", dst: "deb/etc/default/syncthing-discosrv", perm: 0o644},
 			{src: "cmd/stdiscosrv/etc/firewall-ufw/stdiscosrv", dst: "deb/etc/ufw/applications.d/stdiscosrv", perm: 0o644},
 		},
-		tags: []string{"purego"},
 	},
 	"strelaysrv": {
 		name:        "strelaysrv",
@@ -190,23 +186,9 @@ var targets = map[string]target{
 	},
 	"strelaypoolsrv": {
 		name:        "strelaypoolsrv",
-		debname:     "syncthing-relaypoolsrv",
-		debdeps:     []string{"libc6"},
 		description: "Syncthing Relay Pool Server",
 		buildPkgs:   []string{"github.com/syncthing/syncthing/cmd/infra/strelaypoolsrv"},
-		binaryName:  "strelaypoolsrv", // .exe will be added automatically for Windows builds
-		archiveFiles: []archiveFile{
-			{src: "{{binary}}", dst: "{{binary}}", perm: 0o755},
-			{src: "cmd/infra/strelaypoolsrv/README.md", dst: "README.txt", perm: 0o644},
-			{src: "cmd/infra/strelaypoolsrv/LICENSE", dst: "LICENSE.txt", perm: 0o644},
-			{src: "AUTHORS", dst: "AUTHORS.txt", perm: 0o644},
-		},
-		installationFiles: []archiveFile{
-			{src: "{{binary}}", dst: "deb/usr/bin/{{binary}}", perm: 0o755},
-			{src: "cmd/infra/strelaypoolsrv/README.md", dst: "deb/usr/share/doc/syncthing-relaypoolsrv/README.txt", perm: 0o644},
-			{src: "cmd/infra/strelaypoolsrv/LICENSE", dst: "deb/usr/share/doc/syncthing-relaypoolsrv/LICENSE.txt", perm: 0o644},
-			{src: "AUTHORS", dst: "deb/usr/share/doc/syncthing-relaypoolsrv/AUTHORS.txt", perm: 0o644},
-		},
+		binaryName:  "strelaypoolsrv",
 	},
 	"stupgrades": {
 		name:        "stupgrades",
@@ -306,10 +288,10 @@ func runCommand(cmd string, target target) {
 		build(target, tags)
 
 	case "test":
-		test(strings.Fields(extraTags), "github.com/syncthing/syncthing/lib/...", "github.com/syncthing/syncthing/cmd/...")
+		test(strings.Fields(extraTags), "github.com/syncthing/syncthing/internal/...", "github.com/syncthing/syncthing/lib/...", "github.com/syncthing/syncthing/cmd/...")
 
 	case "bench":
-		bench(strings.Fields(extraTags), "github.com/syncthing/syncthing/lib/...", "github.com/syncthing/syncthing/cmd/...")
+		bench(strings.Fields(extraTags), "github.com/syncthing/syncthing/internal/...", "github.com/syncthing/syncthing/lib/...", "github.com/syncthing/syncthing/cmd/...")
 
 	case "integration":
 		integration(false)
@@ -397,7 +379,6 @@ func parseFlags() {
 	flag.IntVar(&numVersions, "num-versions", numVersions, "Number of versions for changelog command")
 	flag.StringVar(&run, "run", "", "Specify which tests to run")
 	flag.StringVar(&benchRun, "bench", "", "Specify which benchmarks to run")
-	flag.BoolVar(&withNextGenGUI, "with-next-gen-gui", withNextGenGUI, "Also build 'newgui'")
 	flag.StringVar(&buildOut, "build-out", "", "Set the '-o' value for 'go build'")
 	flag.Parse()
 }
@@ -405,7 +386,6 @@ func parseFlags() {
 func test(tags []string, pkgs ...string) {
 	lazyRebuildAssets()
 
-	tags = append(tags, "purego")
 	args := []string{"test", "-tags", strings.Join(tags, " ")}
 	if long {
 		timeout = longTimeout
@@ -439,7 +419,7 @@ func bench(tags []string, pkgs ...string) {
 func integration(bench bool) {
 	lazyRebuildAssets()
 	args := []string{"test", "-v", "-timeout", "60m", "-tags"}
-	tags := "purego,integration"
+	tags := "integration"
 	if bench {
 		tags += ",benchmark"
 	}
@@ -471,10 +451,6 @@ func benchArgs() []string {
 }
 
 func install(target target, tags []string) {
-	if (target.name == "syncthing" || target.name == "") && !withNextGenGUI {
-		log.Println("Notice: Next generation GUI will not be built; see --with-next-gen-gui.")
-	}
-
 	lazyRebuildAssets()
 
 	tags = append(target.tags, tags...)
@@ -498,16 +474,12 @@ func install(target target, tags []string) {
 		defer shouldCleanupSyso(sysoPath)
 	}
 
-	args := []string{"install", "-v"}
+	args := []string{"install"}
 	args = appendParameters(args, tags, target.buildPkgs...)
 	runPrint(goCmd, args...)
 }
 
 func build(target target, tags []string) {
-	if (target.name == "syncthing" || target.name == "") && !withNextGenGUI {
-		log.Println("Notice: Next generation GUI will not be built; see --with-next-gen-gui.")
-	}
-
 	lazyRebuildAssets()
 	tags = append(target.tags, tags...)
 
@@ -530,7 +502,7 @@ func build(target target, tags []string) {
 		defer shouldCleanupSyso(sysoPath)
 	}
 
-	args := []string{"build", "-v"}
+	args := []string{"build"}
 	if buildOut != "" {
 		args = append(args, "-o", buildOut)
 	}
@@ -542,13 +514,6 @@ func setBuildEnvVars() {
 	os.Setenv("GOOS", goos)
 	os.Setenv("GOARCH", goarch)
 	os.Setenv("CC", cc)
-	if os.Getenv("CGO_ENABLED") == "" {
-		switch goos {
-		case "darwin", "solaris":
-		default:
-			os.Setenv("CGO_ENABLED", "0")
-		}
-	}
 }
 
 func appendParameters(args []string, tags []string, pkgs ...string) []string {
@@ -764,12 +729,9 @@ func shouldBuildSyso(dir string) (string, error) {
 	sysoPath := filepath.Join(dir, "cmd", "syncthing", "resource.syso")
 
 	// See https://github.com/josephspurrier/goversioninfo#command-line-flags
-	armOption := ""
-	if strings.Contains(goarch, "arm") {
-		armOption = "-arm=true"
-	}
-
-	if _, err := runError("goversioninfo", "-o", sysoPath, armOption); err != nil {
+	arm := strings.HasPrefix(goarch, "arm")
+	a64 := strings.Contains(goarch, "64")
+	if _, err := runError("goversioninfo", "-o", sysoPath, fmt.Sprintf("-arm=%v", arm), fmt.Sprintf("-64=%v", a64)); err != nil {
 		return "", errors.New("failed to create " + sysoPath + ": " + err.Error())
 	}
 
@@ -841,43 +803,11 @@ func lazyRebuildAssets() {
 	shouldRebuild := shouldRebuildAssets("lib/api/auto/gui.files.go", "gui") ||
 		shouldRebuildAssets("cmd/infra/strelaypoolsrv/auto/gui.files.go", "cmd/infra/strelaypoolsrv/gui")
 
-	if withNextGenGUI {
-		shouldRebuild = buildNextGenGUI() || shouldRebuild
-	}
-
 	if shouldRebuild {
 		rebuildAssets()
 	}
 }
 
-func buildNextGenGUI() bool {
-	// Check if we need to run the npm process, and if so also set the flag
-	// to rebuild Go assets afterwards. The index.html is regenerated every
-	// time by the build process. This assumes the new GUI ends up in
-	// next-gen-gui/dist/next-gen-gui.
-
-	if !shouldRebuildAssets("gui/next-gen-gui/index.html", "next-gen-gui") {
-		// The GUI is up to date.
-		return false
-	}
-
-	runPrintInDir("next-gen-gui", "npm", "install")
-	runPrintInDir("next-gen-gui", "npm", "run", "build", "--", "--prod", "--subresource-integrity")
-
-	rmr("gui/tech-ui")
-
-	for _, src := range listFiles("next-gen-gui/dist") {
-		rel, _ := filepath.Rel("next-gen-gui/dist", src)
-		dst := filepath.Join("gui", rel)
-		if err := copyFile(src, dst, 0o644); err != nil {
-			fmt.Println("copy:", err)
-			os.Exit(1)
-		}
-	}
-
-	return true
-}
-
 func shouldRebuildAssets(target, srcdir string) bool {
 	info, err := os.Stat(target)
 	if err != nil {
@@ -925,22 +855,9 @@ func updateDependencies() {
 }
 
 func proto() {
-	pv := protobufVersion()
-	repo := "https://github.com/gogo/protobuf.git"
-	path := filepath.Join("repos", "protobuf")
-
-	runPrint(goCmd, "install", fmt.Sprintf("github.com/gogo/protobuf/protoc-gen-gogofast@%v", pv))
-	os.MkdirAll("repos", 0o755)
-
-	if _, err := os.Stat(path); err != nil {
-		runPrint("git", "clone", repo, path)
-	} else {
-		runPrintInDir(path, "git", "fetch")
-	}
-	runPrintInDir(path, "git", "checkout", pv)
-
-	runPrint(goCmd, "generate", "github.com/syncthing/syncthing/cmd/stdiscosrv")
-	runPrint(goCmd, "generate", "proto/generate.go")
+	// buf needs to be installed
+	// https://buf.build/docs/installation/
+	runPrint("buf", "generate")
 }
 
 func testmocks() {
@@ -1375,10 +1292,7 @@ func zipFile(out string, files []archiveFile) {
 }
 
 func codesign(target target) {
-	switch goos {
-	case "windows":
-		windowsCodesign(target.BinaryName())
-	case "darwin":
+	if goos == "darwin" {
 		macosCodesign(target.BinaryName())
 	}
 }
@@ -1402,70 +1316,6 @@ func macosCodesign(file string) {
 	}
 }
 
-func windowsCodesign(file string) {
-	st := "signtool.exe"
-
-	if path := os.Getenv("CODESIGN_SIGNTOOL"); path != "" {
-		st = path
-	}
-
-	for i, algo := range []string{"sha1", "sha256"} {
-		args := []string{"sign", "/fd", algo}
-		if f := os.Getenv("CODESIGN_CERTIFICATE_FILE"); f != "" {
-			args = append(args, "/f", f)
-		} else if b := os.Getenv("CODESIGN_CERTIFICATE_BASE64"); b != "" {
-			// Decode the PFX certificate from base64.
-			bs, err := base64.RawStdEncoding.DecodeString(b)
-			if err != nil {
-				log.Println("Codesign: signing failed: decoding base64:", err)
-				return
-			}
-
-			// Write it to a temporary file
-			f, err := os.CreateTemp("", "codesign-*.pfx")
-			if err != nil {
-				log.Println("Codesign: signing failed: creating temp file:", err)
-				return
-			}
-			_ = f.Chmod(0o600) // best effort remove other users' access
-			defer os.Remove(f.Name())
-			if _, err := f.Write(bs); err != nil {
-				log.Println("Codesign: signing failed: writing temp file:", err)
-				return
-			}
-			if err := f.Close(); err != nil {
-				log.Println("Codesign: signing failed: closing temp file:", err)
-				return
-			}
-
-			// Use that when signing
-			args = append(args, "/f", f.Name())
-		}
-		if p := os.Getenv("CODESIGN_CERTIFICATE_PASSWORD"); p != "" {
-			args = append(args, "/p", p)
-		}
-		if tr := os.Getenv("CODESIGN_TIMESTAMP_SERVER"); tr != "" {
-			switch algo {
-			case "sha256":
-				args = append(args, "/tr", tr, "/td", algo)
-			default:
-				args = append(args, "/t", tr)
-			}
-		}
-		if i > 0 {
-			args = append(args, "/as")
-		}
-		args = append(args, file)
-
-		bs, err := runError(st, args...)
-		if err != nil {
-			log.Printf("Codesign: signing failed: %v: %s", err, string(bs))
-			return
-		}
-		log.Println("Codesign: successfully signed", file, "using", algo)
-	}
-}
-
 func metalint() {
 	lazyRebuildAssets()
 	runPrint(goCmd, "test", "-run", "Metalint", "./meta")
@@ -1483,14 +1333,6 @@ func (t target) BinaryName() string {
 	return t.binaryName
 }
 
-func protobufVersion() string {
-	bs, err := runError(goCmd, "list", "-f", "{{.Version}}", "-m", "github.com/gogo/protobuf")
-	if err != nil {
-		log.Fatal("Getting protobuf version:", err)
-	}
-	return string(bs)
-}
-
 func currentAndLatestVersions(n int) ([]string, error) {
 	bs, err := runError("git", "tag", "--sort", "taggerdate")
 	if err != nil {

cmd/dev/stdisco/main.go

@@ -15,6 +15,9 @@ import (
 	"strings"
 	"time"
 
+	"google.golang.org/protobuf/proto"
+
+	"github.com/syncthing/syncthing/internal/gen/discoproto"
 	_ "github.com/syncthing/syncthing/lib/automaxprocs"
 	"github.com/syncthing/syncthing/lib/beacon"
 	"github.com/syncthing/syncthing/lib/discover"
@@ -75,20 +78,21 @@ func recv(bc beacon.Interface) {
 			continue
 		}
 
-		var ann discover.Announce
-		ann.Unmarshal(data[4:])
+		var ann discoproto.Announce
+		proto.Unmarshal(data[4:], &ann)
 
-		if ann.ID == myID {
+		id, _ := protocol.DeviceIDFromBytes(ann.Id)
+		if id == myID {
 			// This is one of our own fake packets, don't print it.
 			continue
 		}
 
 		// Print announcement details for the first packet from a given
 		// device ID and source address, or if -all was given.
-		key := ann.ID.String() + src.String()
+		key := id.String() + src.String()
 		if all || !seen[key] {
 			log.Printf("Announcement from %v\n", src)
-			log.Printf(" %v at %s\n", ann.ID, strings.Join(ann.Addresses, ", "))
+			log.Printf(" %v at %s\n", id, strings.Join(ann.Addresses, ", "))
 			seen[key] = true
 		}
 	}
@@ -96,11 +100,11 @@ func recv(bc beacon.Interface) {
 
 // sends fake discovery announcements once every second
 func send(bc beacon.Interface) {
-	ann := discover.Announce{
-		ID:        myID,
+	ann := &discoproto.Announce{
+		Id:        myID[:],
 		Addresses: []string{"tcp://fake.example.com:12345"},
 	}
-	bs, _ := ann.Marshal()
+	bs, _ := proto.Marshal(ann)
 
 	for {
 		bc.Send(bs)

cmd/dev/stfileinfo/main.go

@@ -72,7 +72,7 @@ func main() {
 		if *standardBlocks || blockSize < protocol.MinBlockSize {
 			blockSize = protocol.BlockSize(fi.Size())
 		}
-		bs, err := scanner.Blocks(context.TODO(), fd, blockSize, fi.Size(), nil, true)
+		bs, err := scanner.Blocks(context.TODO(), fd, blockSize, fi.Size(), nil)
 		if err != nil {
 			log.Fatal(err)
 		}

cmd/infra/strelaypoolsrv/main.go

@@ -23,6 +23,7 @@ import (
 	lru "github.com/hashicorp/golang-lru/v2"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
+
 	"github.com/syncthing/syncthing/cmd/infra/strelaypoolsrv/auto"
 	"github.com/syncthing/syncthing/lib/assets"
 	_ "github.com/syncthing/syncthing/lib/automaxprocs"

cmd/infra/ursrv/serve/serve.go

@@ -17,17 +17,15 @@ import (
 	"log/slog"
 	"net"
 	"net/http"
+	_ "net/http/pprof"
 	"os"
 	"regexp"
 	"strings"
 	"time"
 
-	_ "net/http/pprof"
-
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/puzpuzpuz/xsync/v3"
-
 	"github.com/syncthing/syncthing/lib/build"
 	"github.com/syncthing/syncthing/lib/geoip"
 	"github.com/syncthing/syncthing/lib/s3"

cmd/stdiscosrv/amqp.go

@@ -13,8 +13,12 @@ import (
 	"log"
 
 	amqp "github.com/rabbitmq/amqp091-go"
-	"github.com/syncthing/syncthing/lib/protocol"
 	"github.com/thejerf/suture/v4"
+	"google.golang.org/protobuf/proto"
+
+	"github.com/syncthing/syncthing/internal/gen/discosrv"
+	"github.com/syncthing/syncthing/internal/protoutil"
+	"github.com/syncthing/syncthing/lib/protocol"
 )
 
 type amqpReplicator struct {
@@ -22,7 +26,7 @@ type amqpReplicator struct {
 	broker   string
 	sender   *amqpSender
 	receiver *amqpReceiver
-	outbox   chan ReplicationRecord
+	outbox   chan *discosrv.ReplicationRecord
 }
 
 func newAMQPReplicator(broker, clientID string, db database) *amqpReplicator {
@@ -31,7 +35,7 @@ func newAMQPReplicator(broker, clientID string, db database) *amqpReplicator {
 	sender := &amqpSender{
 		broker:   broker,
 		clientID: clientID,
-		outbox:   make(chan ReplicationRecord, replicationOutboxSize),
+		outbox:   make(chan *discosrv.ReplicationRecord, replicationOutboxSize),
 	}
 	svc.Add(sender)
 
@@ -47,18 +51,18 @@ func newAMQPReplicator(broker, clientID string, db database) *amqpReplicator {
 		broker:   broker,
 		sender:   sender,
 		receiver: receiver,
-		outbox:   make(chan ReplicationRecord, replicationOutboxSize),
+		outbox:   make(chan *discosrv.ReplicationRecord, replicationOutboxSize),
 	}
 }
 
-func (s *amqpReplicator) send(key *protocol.DeviceID, ps []DatabaseAddress, seen int64) {
+func (s *amqpReplicator) send(key *protocol.DeviceID, ps []*discosrv.DatabaseAddress, seen int64) {
 	s.sender.send(key, ps, seen)
 }
 
 type amqpSender struct {
 	broker   string
 	clientID string
-	outbox   chan ReplicationRecord
+	outbox   chan *discosrv.ReplicationRecord
 }
 
 func (s *amqpSender) Serve(ctx context.Context) error {
@@ -73,12 +77,12 @@ func (s *amqpSender) Serve(ctx context.Context) error {
 	for {
 		select {
 		case rec := <-s.outbox:
-			size := rec.Size()
+			size := proto.Size(rec)
 			if len(buf) < size {
 				buf = make([]byte, size)
 			}
 
-			n, err := rec.MarshalTo(buf)
+			n, err := protoutil.MarshalTo(buf, rec)
 			if err != nil {
 				replicationSendsTotal.WithLabelValues("error").Inc()
 				return fmt.Errorf("replication marshal: %w", err)
@@ -111,8 +115,8 @@ func (s *amqpSender) String() string {
 	return fmt.Sprintf("amqpSender(%q)", s.broker)
 }
 
-func (s *amqpSender) send(key *protocol.DeviceID, ps []DatabaseAddress, seen int64) {
-	item := ReplicationRecord{
+func (s *amqpSender) send(key *protocol.DeviceID, ps []*discosrv.DatabaseAddress, seen int64) {
+	item := &discosrv.ReplicationRecord{
 		Key:       key[:],
 		Addresses: ps,
 		Seen:      seen,
@@ -158,8 +162,8 @@ func (s *amqpReceiver) Serve(ctx context.Context) error {
 				continue
 			}
 
-			var rec ReplicationRecord
-			if err := rec.Unmarshal(msg.Body); err != nil {
+			var rec discosrv.ReplicationRecord
+			if err := proto.Unmarshal(msg.Body, &rec); err != nil {
 				replicationRecvsTotal.WithLabelValues("error").Inc()
 				return fmt.Errorf("replication unmarshal: %w", err)
 			}

cmd/stdiscosrv/apisrv.go

@@ -28,6 +28,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/syncthing/syncthing/internal/gen/discosrv"
 	"github.com/syncthing/syncthing/lib/protocol"
 	"github.com/syncthing/syncthing/lib/stringutil"
 )
@@ -52,7 +53,7 @@ type apiSrv struct {
 }
 
 type replicator interface {
-	send(key *protocol.DeviceID, addrs []DatabaseAddress, seen int64)
+	send(key *protocol.DeviceID, addrs []*discosrv.DatabaseAddress, seen int64)
 }
 
 type requestID int64
@@ -119,7 +120,9 @@ func (s *apiSrv) Serve(ctx context.Context) error {
 		ReadTimeout:    httpReadTimeout,
 		WriteTimeout:   httpWriteTimeout,
 		MaxHeaderBytes: httpMaxHeaderBytes,
-		ErrorLog:       log.New(io.Discard, "", 0),
+	}
+	if !debug {
+		srv.ErrorLog = log.New(io.Discard, "", 0)
 	}
 
 	go func() {
@@ -195,7 +198,7 @@ func (s *apiSrv) handleGET(w http.ResponseWriter, req *http.Request) {
 	deviceID, err := protocol.DeviceIDFromString(req.URL.Query().Get("device"))
 	if err != nil {
 		if debug {
-			log.Println(reqID, "bad device param")
+			log.Println(reqID, "bad device param:", err)
 		}
 		lookupRequestsTotal.WithLabelValues("bad_request").Inc()
 		w.Header().Set("Retry-After", errorRetryAfterString())
@@ -280,6 +283,9 @@ func (s *apiSrv) handlePOST(remoteAddr *net.TCPAddr, w http.ResponseWriter, req
 
 	addresses := fixupAddresses(remoteAddr, ann.Addresses)
 	if len(addresses) == 0 {
+		if debug {
+			log.Println(reqID, "no addresses")
+		}
 		announceRequestsTotal.WithLabelValues("bad_request").Inc()
 		w.Header().Set("Retry-After", errorRetryAfterString())
 		http.Error(w, "Bad Request", http.StatusBadRequest)
@@ -287,6 +293,9 @@ func (s *apiSrv) handlePOST(remoteAddr *net.TCPAddr, w http.ResponseWriter, req
 	}
 
 	if err := s.handleAnnounce(deviceID, addresses); err != nil {
+		if debug {
+			log.Println(reqID, "handle:", err)
+		}
 		announceRequestsTotal.WithLabelValues("internal_error").Inc()
 		w.Header().Set("Retry-After", errorRetryAfterString())
 		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
@@ -297,6 +306,9 @@ func (s *apiSrv) handlePOST(remoteAddr *net.TCPAddr, w http.ResponseWriter, req
 
 	w.Header().Set("Reannounce-After", reannounceAfterString())
 	w.WriteHeader(http.StatusNoContent)
+	if debug {
+		log.Println(reqID, "announced", deviceID, addresses)
+	}
 }
 
 func (s *apiSrv) Stop() {
@@ -312,10 +324,12 @@ func (s *apiSrv) handleAnnounce(deviceID protocol.DeviceID, addresses []string)
 	slices.Sort(addresses)
 	addresses = slices.Compact(addresses)
 
-	dbAddrs := make([]DatabaseAddress, len(addresses))
+	dbAddrs := make([]*discosrv.DatabaseAddress, len(addresses))
 	for i := range addresses {
-		dbAddrs[i].Address = addresses[i]
-		dbAddrs[i].Expires = expire
+		dbAddrs[i] = &discosrv.DatabaseAddress{
+			Address: addresses[i],
+			Expires: expire,
+		}
 	}
 
 	seen := now.UnixNano()
@@ -326,7 +340,7 @@ func (s *apiSrv) handleAnnounce(deviceID protocol.DeviceID, addresses []string)
 }
 
 func handlePing(w http.ResponseWriter, _ *http.Request) {
-	w.WriteHeader(204)
+	w.WriteHeader(http.StatusNoContent)
 }
 
 func certificateBytes(req *http.Request) ([]byte, error) {
@@ -511,7 +525,7 @@ func (lrw *loggingResponseWriter) WriteHeader(code int) {
 	lrw.ResponseWriter.WriteHeader(code)
 }
 
-func addressStrs(dbAddrs []DatabaseAddress) []string {
+func addressStrs(dbAddrs []*discosrv.DatabaseAddress) []string {
 	res := make([]string, len(dbAddrs))
 	for i, a := range dbAddrs {
 		res[i] = a.Address

cmd/stdiscosrv/database.go

@@ -4,9 +4,6 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at https://mozilla.org/MPL/2.0/.
 
-//go:generate go run ../../proto/scripts/protofmt.go database.proto
-//go:generate protoc -I ../../ -I . --gogofast_out=. database.proto
-
 package main
 
 import (
@@ -25,6 +22,10 @@ import (
 	"time"
 
 	"github.com/puzpuzpuz/xsync/v3"
+	"google.golang.org/protobuf/proto"
+
+	"github.com/syncthing/syncthing/internal/gen/discosrv"
+	"github.com/syncthing/syncthing/internal/protoutil"
 	"github.com/syncthing/syncthing/lib/protocol"
 	"github.com/syncthing/syncthing/lib/rand"
 	"github.com/syncthing/syncthing/lib/s3"
@@ -41,13 +42,13 @@ func (defaultClock) Now() time.Time {
 }
 
 type database interface {
-	put(key *protocol.DeviceID, rec DatabaseRecord) error
-	merge(key *protocol.DeviceID, addrs []DatabaseAddress, seen int64) error
-	get(key *protocol.DeviceID) (DatabaseRecord, error)
+	put(key *protocol.DeviceID, rec *discosrv.DatabaseRecord) error
+	merge(key *protocol.DeviceID, addrs []*discosrv.DatabaseAddress, seen int64) error
+	get(key *protocol.DeviceID) (*discosrv.DatabaseRecord, error)
 }
 
 type inMemoryStore struct {
-	m             *xsync.MapOf[protocol.DeviceID, DatabaseRecord]
+	m             *xsync.MapOf[protocol.DeviceID, *discosrv.DatabaseRecord]
 	dir           string
 	flushInterval time.Duration
 	s3            *s3.Session
@@ -61,7 +62,7 @@ func newInMemoryStore(dir string, flushInterval time.Duration, s3sess *s3.Sessio
 		hn = rand.String(8)
 	}
 	s := &inMemoryStore{
-		m:             xsync.NewMapOf[protocol.DeviceID, DatabaseRecord](),
+		m:             xsync.NewMapOf[protocol.DeviceID, *discosrv.DatabaseRecord](),
 		dir:           dir,
 		flushInterval: flushInterval,
 		s3:            s3sess,
@@ -95,7 +96,7 @@ func newInMemoryStore(dir string, flushInterval time.Duration, s3sess *s3.Sessio
 	return s
 }
 
-func (s *inMemoryStore) put(key *protocol.DeviceID, rec DatabaseRecord) error {
+func (s *inMemoryStore) put(key *protocol.DeviceID, rec *discosrv.DatabaseRecord) error {
 	t0 := time.Now()
 	s.m.Store(*key, rec)
 	databaseOperations.WithLabelValues(dbOpPut, dbResSuccess).Inc()
@@ -103,16 +104,17 @@ func (s *inMemoryStore) put(key *protocol.DeviceID, rec DatabaseRecord) error {
 	return nil
 }
 
-func (s *inMemoryStore) merge(key *protocol.DeviceID, addrs []DatabaseAddress, seen int64) error {
+func (s *inMemoryStore) merge(key *protocol.DeviceID, addrs []*discosrv.DatabaseAddress, seen int64) error {
 	t0 := time.Now()
 
-	newRec := DatabaseRecord{
+	newRec := &discosrv.DatabaseRecord{
 		Addresses: addrs,
 		Seen:      seen,
 	}
 
-	oldRec, _ := s.m.Load(*key)
-	newRec = merge(oldRec, newRec)
+	if oldRec, ok := s.m.Load(*key); ok {
+		newRec = merge(oldRec, newRec)
+	}
 	s.m.Store(*key, newRec)
 
 	databaseOperations.WithLabelValues(dbOpMerge, dbResSuccess).Inc()
@@ -121,7 +123,7 @@ func (s *inMemoryStore) merge(key *protocol.DeviceID, addrs []DatabaseAddress, s
 	return nil
 }
 
-func (s *inMemoryStore) get(key *protocol.DeviceID) (DatabaseRecord, error) {
+func (s *inMemoryStore) get(key *protocol.DeviceID) (*discosrv.DatabaseRecord, error) {
 	t0 := time.Now()
 	defer func() {
 		databaseOperationSeconds.WithLabelValues(dbOpGet).Observe(time.Since(t0).Seconds())
@@ -130,7 +132,7 @@ func (s *inMemoryStore) get(key *protocol.DeviceID) (DatabaseRecord, error) {
 	rec, ok := s.m.Load(*key)
 	if !ok {
 		databaseOperations.WithLabelValues(dbOpGet, dbResNotFound).Inc()
-		return DatabaseRecord{}, nil
+		return &discosrv.DatabaseRecord{}, nil
 	}
 
 	rec.Addresses = expire(rec.Addresses, s.clock.Now())
@@ -176,7 +178,7 @@ func (s *inMemoryStore) expireAndCalculateStatistics() {
 	current, currentIPv4, currentIPv6, currentIPv6GUA, last24h, last1w := 0, 0, 0, 0, 0, 0
 
 	n := 0
-	s.m.Range(func(key protocol.DeviceID, rec DatabaseRecord) bool {
+	s.m.Range(func(key protocol.DeviceID, rec *discosrv.DatabaseRecord) bool {
 		if n%1000 == 0 {
 			runtime.Gosched()
 		}
@@ -261,7 +263,7 @@ func (s *inMemoryStore) write() (err error) {
 	now := s.clock.Now()
 	cutoff1w := now.Add(-7 * 24 * time.Hour).UnixNano()
 	n := 0
-	s.m.Range(func(key protocol.DeviceID, value DatabaseRecord) bool {
+	s.m.Range(func(key protocol.DeviceID, value *discosrv.DatabaseRecord) bool {
 		if n%1000 == 0 {
 			runtime.Gosched()
 		}
@@ -271,16 +273,16 @@ func (s *inMemoryStore) write() (err error) {
 			// drop the record if it's older than a week
 			return true
 		}
-		rec := ReplicationRecord{
+		rec := &discosrv.ReplicationRecord{
 			Key:       key[:],
 			Addresses: value.Addresses,
 			Seen:      value.Seen,
 		}
-		s := rec.Size()
+		s := proto.Size(rec)
 		if s+4 > len(buf) {
 			buf = make([]byte, s+4)
 		}
-		n, err := rec.MarshalTo(buf[4:])
+		n, err := protoutil.MarshalTo(buf[4:], rec)
 		if err != nil {
 			rangeErr = err
 			return false
@@ -349,8 +351,8 @@ func (s *inMemoryStore) read() (int, error) {
 		if _, err := io.ReadFull(br, buf[:n]); err != nil {
 			return nr, err
 		}
-		rec := ReplicationRecord{}
-		if err := rec.Unmarshal(buf[:n]); err != nil {
+		rec := &discosrv.ReplicationRecord{}
+		if err := proto.Unmarshal(buf[:n], rec); err != nil {
 			return nr, err
 		}
 		key, err := protocol.DeviceIDFromBytes(rec.Key)
@@ -362,9 +364,9 @@ func (s *inMemoryStore) read() (int, error) {
 			continue
 		}
 
-		slices.SortFunc(rec.Addresses, DatabaseAddress.Cmp)
-		rec.Addresses = slices.CompactFunc(rec.Addresses, DatabaseAddress.Equal)
-		s.m.Store(key, DatabaseRecord{
+		slices.SortFunc(rec.Addresses, Cmp)
+		rec.Addresses = slices.CompactFunc(rec.Addresses, Equal)
+		s.m.Store(key, &discosrv.DatabaseRecord{
 			Addresses: expire(rec.Addresses, s.clock.Now()),
 			Seen:      rec.Seen,
 		})
@@ -377,7 +379,7 @@ func (s *inMemoryStore) read() (int, error) {
 // result is the union of the two address sets, with the newer expiry time
 // chosen for any duplicates. The address list in a is overwritten and
 // reused for the result.
-func merge(a, b DatabaseRecord) DatabaseRecord {
+func merge(a, b *discosrv.DatabaseRecord) *discosrv.DatabaseRecord {
 	// Both lists must be sorted for this to work.
 
 	a.Seen = max(a.Seen, b.Seen)
@@ -396,7 +398,7 @@ func merge(a, b DatabaseRecord) DatabaseRecord {
 			aIdx++
 		case 1:
 			// a > b, insert b before a
-			a.Addresses = append(a.Addresses[:aIdx], append([]DatabaseAddress{b.Addresses[bIdx]}, a.Addresses[aIdx:]...)...)
+			a.Addresses = append(a.Addresses[:aIdx], append([]*discosrv.DatabaseAddress{b.Addresses[bIdx]}, a.Addresses[aIdx:]...)...)
 			bIdx++
 		}
 	}
@@ -410,7 +412,7 @@ func merge(a, b DatabaseRecord) DatabaseRecord {
 // expire returns the list of addresses after removing expired entries.
 // Expiration happen in place, so the slice given as the parameter is
 // destroyed. Internal order is preserved.
-func expire(addrs []DatabaseAddress, now time.Time) []DatabaseAddress {
+func expire(addrs []*discosrv.DatabaseAddress, now time.Time) []*discosrv.DatabaseAddress {
 	cutoff := now.UnixNano()
 	naddrs := addrs[:0]
 	for i := range addrs {
@@ -428,13 +430,13 @@ func expire(addrs []DatabaseAddress, now time.Time) []DatabaseAddress {
 	return naddrs
 }
 
-func (d DatabaseAddress) Cmp(other DatabaseAddress) (n int) {
+func Cmp(d, other *discosrv.DatabaseAddress) (n int) {
 	if c := cmp.Compare(d.Address, other.Address); c != 0 {
 		return c
 	}
 	return cmp.Compare(d.Expires, other.Expires)
 }
 
-func (d DatabaseAddress) Equal(other DatabaseAddress) bool {
+func Equal(d, other *discosrv.DatabaseAddress) bool {
 	return d.Address == other.Address
 }

cmd/stdiscosrv/database.pb.go

@@ -1,792 +0,0 @@
-// Code generated by protoc-gen-gogo. DO NOT EDIT.
-// source: database.proto
-
-package main
-
-import (
-	fmt "fmt"
-	_ "github.com/gogo/protobuf/gogoproto"
-	proto "github.com/gogo/protobuf/proto"
-	io "io"
-	math "math"
-	math_bits "math/bits"
-)
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
-
-type DatabaseRecord struct {
-	Addresses []DatabaseAddress `protobuf:"bytes,1,rep,name=addresses,proto3" json:"addresses"`
-	Seen      int64             `protobuf:"varint,3,opt,name=seen,proto3" json:"seen,omitempty"`
-}
-
-func (m *DatabaseRecord) Reset()         { *m = DatabaseRecord{} }
-func (m *DatabaseRecord) String() string { return proto.CompactTextString(m) }
-func (*DatabaseRecord) ProtoMessage()    {}
-func (*DatabaseRecord) Descriptor() ([]byte, []int) {
-	return fileDescriptor_b90fe3356ea5df07, []int{0}
-}
-func (m *DatabaseRecord) XXX_Unmarshal(b []byte) error {
-	return m.Unmarshal(b)
-}
-func (m *DatabaseRecord) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	if deterministic {
-		return xxx_messageInfo_DatabaseRecord.Marshal(b, m, deterministic)
-	} else {
-		b = b[:cap(b)]
-		n, err := m.MarshalToSizedBuffer(b)
-		if err != nil {
-			return nil, err
-		}
-		return b[:n], nil
-	}
-}
-func (m *DatabaseRecord) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DatabaseRecord.Merge(m, src)
-}
-func (m *DatabaseRecord) XXX_Size() int {
-	return m.Size()
-}
-func (m *DatabaseRecord) XXX_DiscardUnknown() {
-	xxx_messageInfo_DatabaseRecord.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_DatabaseRecord proto.InternalMessageInfo
-
-type ReplicationRecord struct {
-	Key       []byte            `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
-	Addresses []DatabaseAddress `protobuf:"bytes,2,rep,name=addresses,proto3" json:"addresses"`
-	Seen      int64             `protobuf:"varint,3,opt,name=seen,proto3" json:"seen,omitempty"`
-}
-
-func (m *ReplicationRecord) Reset()         { *m = ReplicationRecord{} }
-func (m *ReplicationRecord) String() string { return proto.CompactTextString(m) }
-func (*ReplicationRecord) ProtoMessage()    {}
-func (*ReplicationRecord) Descriptor() ([]byte, []int) {
-	return fileDescriptor_b90fe3356ea5df07, []int{1}
-}
-func (m *ReplicationRecord) XXX_Unmarshal(b []byte) error {
-	return m.Unmarshal(b)
-}
-func (m *ReplicationRecord) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	if deterministic {
-		return xxx_messageInfo_ReplicationRecord.Marshal(b, m, deterministic)
-	} else {
-		b = b[:cap(b)]
-		n, err := m.MarshalToSizedBuffer(b)
-		if err != nil {
-			return nil, err
-		}
-		return b[:n], nil
-	}
-}
-func (m *ReplicationRecord) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ReplicationRecord.Merge(m, src)
-}
-func (m *ReplicationRecord) XXX_Size() int {
-	return m.Size()
-}
-func (m *ReplicationRecord) XXX_DiscardUnknown() {
-	xxx_messageInfo_ReplicationRecord.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ReplicationRecord proto.InternalMessageInfo
-
-type DatabaseAddress struct {
-	Address string `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
-	Expires int64  `protobuf:"varint,2,opt,name=expires,proto3" json:"expires,omitempty"`
-}
-
-func (m *DatabaseAddress) Reset()         { *m = DatabaseAddress{} }
-func (m *DatabaseAddress) String() string { return proto.CompactTextString(m) }
-func (*DatabaseAddress) ProtoMessage()    {}
-func (*DatabaseAddress) Descriptor() ([]byte, []int) {
-	return fileDescriptor_b90fe3356ea5df07, []int{2}
-}
-func (m *DatabaseAddress) XXX_Unmarshal(b []byte) error {
-	return m.Unmarshal(b)
-}
-func (m *DatabaseAddress) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	if deterministic {
-		return xxx_messageInfo_DatabaseAddress.Marshal(b, m, deterministic)
-	} else {
-		b = b[:cap(b)]
-		n, err := m.MarshalToSizedBuffer(b)
-		if err != nil {
-			return nil, err
-		}
-		return b[:n], nil
-	}
-}
-func (m *DatabaseAddress) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DatabaseAddress.Merge(m, src)
-}
-func (m *DatabaseAddress) XXX_Size() int {
-	return m.Size()
-}
-func (m *DatabaseAddress) XXX_DiscardUnknown() {
-	xxx_messageInfo_DatabaseAddress.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_DatabaseAddress proto.InternalMessageInfo
-
-func init() {
-	proto.RegisterType((*DatabaseRecord)(nil), "main.DatabaseRecord")
-	proto.RegisterType((*ReplicationRecord)(nil), "main.ReplicationRecord")
-	proto.RegisterType((*DatabaseAddress)(nil), "main.DatabaseAddress")
-}
-
-func init() { proto.RegisterFile("database.proto", fileDescriptor_b90fe3356ea5df07) }
-
-var fileDescriptor_b90fe3356ea5df07 = []byte{
-	// 243 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xe2, 0x4b, 0x49, 0x2c, 0x49,
-	0x4c, 0x4a, 0x2c, 0x4e, 0xd5, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x62, 0xc9, 0x4d, 0xcc, 0xcc,
-	0x93, 0x52, 0x2e, 0x4a, 0x2d, 0xc8, 0x2f, 0xd6, 0x07, 0x0b, 0x25, 0x95, 0xa6, 0xe9, 0xa7, 0xe7,
-	0xa7, 0xe7, 0x83, 0x39, 0x60, 0x16, 0x44, 0xa9, 0x52, 0x3c, 0x17, 0x9f, 0x0b, 0x54, 0x73, 0x50,
-	0x6a, 0x72, 0x7e, 0x51, 0x8a, 0x90, 0x25, 0x17, 0x67, 0x62, 0x4a, 0x4a, 0x51, 0x6a, 0x71, 0x71,
-	0x6a, 0xb1, 0x04, 0xa3, 0x02, 0xb3, 0x06, 0xb7, 0x91, 0xa8, 0x1e, 0xc8, 0x40, 0x3d, 0x98, 0x42,
-	0x47, 0x88, 0xb4, 0x13, 0xcb, 0x89, 0x7b, 0xf2, 0x0c, 0x41, 0x08, 0xd5, 0x42, 0x42, 0x5c, 0x2c,
-	0xc5, 0xa9, 0xa9, 0x79, 0x12, 0xcc, 0x0a, 0x8c, 0x1a, 0xcc, 0x41, 0x60, 0xb6, 0x52, 0x09, 0x97,
-	0x60, 0x50, 0x6a, 0x41, 0x4e, 0x66, 0x72, 0x62, 0x49, 0x66, 0x7e, 0x1e, 0xd4, 0x0e, 0x01, 0x2e,
-	0xe6, 0xec, 0xd4, 0x4a, 0x09, 0x46, 0x05, 0x46, 0x0d, 0x9e, 0x20, 0x10, 0x13, 0xd5, 0x56, 0x26,
-	0x8a, 0x6d, 0x75, 0xe5, 0xe2, 0x47, 0xd3, 0x27, 0x24, 0xc1, 0xc5, 0x0e, 0xd5, 0x03, 0xb6, 0x97,
-	0x33, 0x08, 0xc6, 0x05, 0xc9, 0xa4, 0x56, 0x14, 0x64, 0x16, 0x81, 0x6d, 0x06, 0x99, 0x01, 0xe3,
-	0x3a, 0xc9, 0x9c, 0x78, 0x28, 0xc7, 0x70, 0xe2, 0x91, 0x1c, 0xe3, 0x85, 0x47, 0x72, 0x8c, 0x0f,
-	0x1e, 0xc9, 0x31, 0x4e, 0x78, 0x2c, 0xc7, 0x70, 0xe1, 0xb1, 0x1c, 0xc3, 0x8d, 0xc7, 0x72, 0x0c,
-	0x49, 0x6c, 0xe0, 0x20, 0x34, 0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0xc6, 0x0b, 0x9b, 0x77, 0x7f,
-	0x01, 0x00, 0x00,
-}
-
-func (m *DatabaseRecord) Marshal() (dAtA []byte, err error) {
-	size := m.Size()
-	dAtA = make([]byte, size)
-	n, err := m.MarshalToSizedBuffer(dAtA[:size])
-	if err != nil {
-		return nil, err
-	}
-	return dAtA[:n], nil
-}
-
-func (m *DatabaseRecord) MarshalTo(dAtA []byte) (int, error) {
-	size := m.Size()
-	return m.MarshalToSizedBuffer(dAtA[:size])
-}
-
-func (m *DatabaseRecord) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if m.Seen != 0 {
-		i = encodeVarintDatabase(dAtA, i, uint64(m.Seen))
-		i--
-		dAtA[i] = 0x18
-	}
-	if len(m.Addresses) > 0 {
-		for iNdEx := len(m.Addresses) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Addresses[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintDatabase(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0xa
-		}
-	}
-	return len(dAtA) - i, nil
-}
-
-func (m *ReplicationRecord) Marshal() (dAtA []byte, err error) {
-	size := m.Size()
-	dAtA = make([]byte, size)
-	n, err := m.MarshalToSizedBuffer(dAtA[:size])
-	if err != nil {
-		return nil, err
-	}
-	return dAtA[:n], nil
-}
-
-func (m *ReplicationRecord) MarshalTo(dAtA []byte) (int, error) {
-	size := m.Size()
-	return m.MarshalToSizedBuffer(dAtA[:size])
-}
-
-func (m *ReplicationRecord) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if m.Seen != 0 {
-		i = encodeVarintDatabase(dAtA, i, uint64(m.Seen))
-		i--
-		dAtA[i] = 0x18
-	}
-	if len(m.Addresses) > 0 {
-		for iNdEx := len(m.Addresses) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Addresses[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintDatabase(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0x12
-		}
-	}
-	if len(m.Key) > 0 {
-		i -= len(m.Key)
-		copy(dAtA[i:], m.Key)
-		i = encodeVarintDatabase(dAtA, i, uint64(len(m.Key)))
-		i--
-		dAtA[i] = 0xa
-	}
-	return len(dAtA) - i, nil
-}
-
-func (m *DatabaseAddress) Marshal() (dAtA []byte, err error) {
-	size := m.Size()
-	dAtA = make([]byte, size)
-	n, err := m.MarshalToSizedBuffer(dAtA[:size])
-	if err != nil {
-		return nil, err
-	}
-	return dAtA[:n], nil
-}
-
-func (m *DatabaseAddress) MarshalTo(dAtA []byte) (int, error) {
-	size := m.Size()
-	return m.MarshalToSizedBuffer(dAtA[:size])
-}
-
-func (m *DatabaseAddress) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if m.Expires != 0 {
-		i = encodeVarintDatabase(dAtA, i, uint64(m.Expires))
-		i--
-		dAtA[i] = 0x10
-	}
-	if len(m.Address) > 0 {
-		i -= len(m.Address)
-		copy(dAtA[i:], m.Address)
-		i = encodeVarintDatabase(dAtA, i, uint64(len(m.Address)))
-		i--
-		dAtA[i] = 0xa
-	}
-	return len(dAtA) - i, nil
-}
-
-func encodeVarintDatabase(dAtA []byte, offset int, v uint64) int {
-	offset -= sovDatabase(v)
-	base := offset
-	for v >= 1<<7 {
-		dAtA[offset] = uint8(v&0x7f | 0x80)
-		v >>= 7
-		offset++
-	}
-	dAtA[offset] = uint8(v)
-	return base
-}
-func (m *DatabaseRecord) Size() (n int) {
-	if m == nil {
-		return 0
-	}
-	var l int
-	_ = l
-	if len(m.Addresses) > 0 {
-		for _, e := range m.Addresses {
-			l = e.Size()
-			n += 1 + l + sovDatabase(uint64(l))
-		}
-	}
-	if m.Seen != 0 {
-		n += 1 + sovDatabase(uint64(m.Seen))
-	}
-	return n
-}
-
-func (m *ReplicationRecord) Size() (n int) {
-	if m == nil {
-		return 0
-	}
-	var l int
-	_ = l
-	l = len(m.Key)
-	if l > 0 {
-		n += 1 + l + sovDatabase(uint64(l))
-	}
-	if len(m.Addresses) > 0 {
-		for _, e := range m.Addresses {
-			l = e.Size()
-			n += 1 + l + sovDatabase(uint64(l))
-		}
-	}
-	if m.Seen != 0 {
-		n += 1 + sovDatabase(uint64(m.Seen))
-	}
-	return n
-}
-
-func (m *DatabaseAddress) Size() (n int) {
-	if m == nil {
-		return 0
-	}
-	var l int
-	_ = l
-	l = len(m.Address)
-	if l > 0 {
-		n += 1 + l + sovDatabase(uint64(l))
-	}
-	if m.Expires != 0 {
-		n += 1 + sovDatabase(uint64(m.Expires))
-	}
-	return n
-}
-
-func sovDatabase(x uint64) (n int) {
-	return (math_bits.Len64(x|1) + 6) / 7
-}
-func sozDatabase(x uint64) (n int) {
-	return sovDatabase(uint64((x << 1) ^ uint64((int64(x) >> 63))))
-}
-func (m *DatabaseRecord) Unmarshal(dAtA []byte) error {
-	l := len(dAtA)
-	iNdEx := 0
-	for iNdEx < l {
-		preIndex := iNdEx
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return ErrIntOverflowDatabase
-			}
-			if iNdEx >= l {
-				return io.ErrUnexpectedEOF
-			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= uint64(b&0x7F) << shift
-			if b < 0x80 {
-				break
-			}
-		}
-		fieldNum := int32(wire >> 3)
-		wireType := int(wire & 0x7)
-		if wireType == 4 {
-			return fmt.Errorf("proto: DatabaseRecord: wiretype end group for non-group")
-		}
-		if fieldNum <= 0 {
-			return fmt.Errorf("proto: DatabaseRecord: illegal tag %d (wire type %d)", fieldNum, wire)
-		}
-		switch fieldNum {
-		case 1:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Addresses", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowDatabase
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthDatabase
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthDatabase
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Addresses = append(m.Addresses, DatabaseAddress{})
-			if err := m.Addresses[len(m.Addresses)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
-		case 3:
-			if wireType != 0 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Seen", wireType)
-			}
-			m.Seen = 0
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowDatabase
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				m.Seen |= int64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-		default:
-			iNdEx = preIndex
-			skippy, err := skipDatabase(dAtA[iNdEx:])
-			if err != nil {
-				return err
-			}
-			if (skippy < 0) || (iNdEx+skippy) < 0 {
-				return ErrInvalidLengthDatabase
-			}
-			if (iNdEx + skippy) > l {
-				return io.ErrUnexpectedEOF
-			}
-			iNdEx += skippy
-		}
-	}
-
-	if iNdEx > l {
-		return io.ErrUnexpectedEOF
-	}
-	return nil
-}
-func (m *ReplicationRecord) Unmarshal(dAtA []byte) error {
-	l := len(dAtA)
-	iNdEx := 0
-	for iNdEx < l {
-		preIndex := iNdEx
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return ErrIntOverflowDatabase
-			}
-			if iNdEx >= l {
-				return io.ErrUnexpectedEOF
-			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= uint64(b&0x7F) << shift
-			if b < 0x80 {
-				break
-			}
-		}
-		fieldNum := int32(wire >> 3)
-		wireType := int(wire & 0x7)
-		if wireType == 4 {
-			return fmt.Errorf("proto: ReplicationRecord: wiretype end group for non-group")
-		}
-		if fieldNum <= 0 {
-			return fmt.Errorf("proto: ReplicationRecord: illegal tag %d (wire type %d)", fieldNum, wire)
-		}
-		switch fieldNum {
-		case 1:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
-			}
-			var byteLen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowDatabase
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				byteLen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if byteLen < 0 {
-				return ErrInvalidLengthDatabase
-			}
-			postIndex := iNdEx + byteLen
-			if postIndex < 0 {
-				return ErrInvalidLengthDatabase
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Key = append(m.Key[:0], dAtA[iNdEx:postIndex]...)
-			if m.Key == nil {
-				m.Key = []byte{}
-			}
-			iNdEx = postIndex
-		case 2:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Addresses", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowDatabase
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthDatabase
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthDatabase
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Addresses = append(m.Addresses, DatabaseAddress{})
-			if err := m.Addresses[len(m.Addresses)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
-		case 3:
-			if wireType != 0 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Seen", wireType)
-			}
-			m.Seen = 0
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowDatabase
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				m.Seen |= int64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-		default:
-			iNdEx = preIndex
-			skippy, err := skipDatabase(dAtA[iNdEx:])
-			if err != nil {
-				return err
-			}
-			if (skippy < 0) || (iNdEx+skippy) < 0 {
-				return ErrInvalidLengthDatabase
-			}
-			if (iNdEx + skippy) > l {
-				return io.ErrUnexpectedEOF
-			}
-			iNdEx += skippy
-		}
-	}
-
-	if iNdEx > l {
-		return io.ErrUnexpectedEOF
-	}
-	return nil
-}
-func (m *DatabaseAddress) Unmarshal(dAtA []byte) error {
-	l := len(dAtA)
-	iNdEx := 0
-	for iNdEx < l {
-		preIndex := iNdEx
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return ErrIntOverflowDatabase
-			}
-			if iNdEx >= l {
-				return io.ErrUnexpectedEOF
-			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= uint64(b&0x7F) << shift
-			if b < 0x80 {
-				break
-			}
-		}
-		fieldNum := int32(wire >> 3)
-		wireType := int(wire & 0x7)
-		if wireType == 4 {
-			return fmt.Errorf("proto: DatabaseAddress: wiretype end group for non-group")
-		}
-		if fieldNum <= 0 {
-			return fmt.Errorf("proto: DatabaseAddress: illegal tag %d (wire type %d)", fieldNum, wire)
-		}
-		switch fieldNum {
-		case 1:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Address", wireType)
-			}
-			var stringLen uint64
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowDatabase
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				stringLen |= uint64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			intStringLen := int(stringLen)
-			if intStringLen < 0 {
-				return ErrInvalidLengthDatabase
-			}
-			postIndex := iNdEx + intStringLen
-			if postIndex < 0 {
-				return ErrInvalidLengthDatabase
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Address = string(dAtA[iNdEx:postIndex])
-			iNdEx = postIndex
-		case 2:
-			if wireType != 0 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Expires", wireType)
-			}
-			m.Expires = 0
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowDatabase
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				m.Expires |= int64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-		default:
-			iNdEx = preIndex
-			skippy, err := skipDatabase(dAtA[iNdEx:])
-			if err != nil {
-				return err
-			}
-			if (skippy < 0) || (iNdEx+skippy) < 0 {
-				return ErrInvalidLengthDatabase
-			}
-			if (iNdEx + skippy) > l {
-				return io.ErrUnexpectedEOF
-			}
-			iNdEx += skippy
-		}
-	}
-
-	if iNdEx > l {
-		return io.ErrUnexpectedEOF
-	}
-	return nil
-}
-func skipDatabase(dAtA []byte) (n int, err error) {
-	l := len(dAtA)
-	iNdEx := 0
-	depth := 0
-	for iNdEx < l {
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return 0, ErrIntOverflowDatabase
-			}
-			if iNdEx >= l {
-				return 0, io.ErrUnexpectedEOF
-			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= (uint64(b) & 0x7F) << shift
-			if b < 0x80 {
-				break
-			}
-		}
-		wireType := int(wire & 0x7)
-		switch wireType {
-		case 0:
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return 0, ErrIntOverflowDatabase
-				}
-				if iNdEx >= l {
-					return 0, io.ErrUnexpectedEOF
-				}
-				iNdEx++
-				if dAtA[iNdEx-1] < 0x80 {
-					break
-				}
-			}
-		case 1:
-			iNdEx += 8
-		case 2:
-			var length int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return 0, ErrIntOverflowDatabase
-				}
-				if iNdEx >= l {
-					return 0, io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				length |= (int(b) & 0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if length < 0 {
-				return 0, ErrInvalidLengthDatabase
-			}
-			iNdEx += length
-		case 3:
-			depth++
-		case 4:
-			if depth == 0 {
-				return 0, ErrUnexpectedEndOfGroupDatabase
-			}
-			depth--
-		case 5:
-			iNdEx += 4
-		default:
-			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
-		}
-		if iNdEx < 0 {
-			return 0, ErrInvalidLengthDatabase
-		}
-		if depth == 0 {
-			return iNdEx, nil
-		}
-	}
-	return 0, io.ErrUnexpectedEOF
-}
-
-var (
-	ErrInvalidLengthDatabase        = fmt.Errorf("proto: negative length found during unmarshaling")
-	ErrIntOverflowDatabase          = fmt.Errorf("proto: integer overflow")
-	ErrUnexpectedEndOfGroupDatabase = fmt.Errorf("proto: unexpected end of group")
-)

cmd/stdiscosrv/database.proto

@@ -1,32 +0,0 @@
-// Copyright (C) 2018 The Syncthing Authors.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at https://mozilla.org/MPL/2.0/.
-
-syntax = "proto3";
-
-package main;
-
-import "repos/protobuf/gogoproto/gogo.proto";
-
-option (gogoproto.goproto_getters_all) = false;
-option (gogoproto.goproto_unkeyed_all) = false;
-option (gogoproto.goproto_unrecognized_all) = false;
-option (gogoproto.goproto_sizecache_all) = false;
-
-message DatabaseRecord {
-    repeated DatabaseAddress addresses = 1 [(gogoproto.nullable) = false];
-    int64                    seen      = 3; // Unix nanos, last device announce
-}
-
-message ReplicationRecord {
-    bytes                    key       = 1; // raw 32 byte device ID
-    repeated DatabaseAddress addresses = 2 [(gogoproto.nullable) = false];
-    int64                    seen      = 3; // Unix nanos, last device announce
-}
-
-message DatabaseAddress {
-    string address = 1;
-    int64  expires = 2; // Unix nanos
-}

cmd/stdiscosrv/database_test.go

@@ -12,6 +12,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/syncthing/syncthing/internal/gen/discosrv"
 	"github.com/syncthing/syncthing/lib/protocol"
 )
 
@@ -39,7 +40,7 @@ func TestDatabaseGetSet(t *testing.T) {
 
 	// Put a record
 
-	rec.Addresses = []DatabaseAddress{
+	rec.Addresses = []*discosrv.DatabaseAddress{
 		{Address: "tcp://1.2.3.4:5", Expires: tc.Now().Add(time.Minute).UnixNano()},
 	}
 	if err := db.put(&protocol.EmptyDeviceID, rec); err != nil {
@@ -65,7 +66,7 @@ func TestDatabaseGetSet(t *testing.T) {
 
 	tc.wind(30 * time.Second)
 
-	addrs := []DatabaseAddress{
+	addrs := []*discosrv.DatabaseAddress{
 		{Address: "tcp://6.7.8.9:0", Expires: tc.Now().Add(time.Minute).UnixNano()},
 	}
 	if err := db.merge(&protocol.EmptyDeviceID, addrs, tc.Now().UnixNano()); err != nil {
@@ -112,7 +113,7 @@ func TestDatabaseGetSet(t *testing.T) {
 
 	// Set an address
 
-	addrs = []DatabaseAddress{
+	addrs = []*discosrv.DatabaseAddress{
 		{Address: "tcp://6.7.8.9:0", Expires: tc.Now().Add(time.Minute).UnixNano()},
 	}
 	if err := db.merge(&protocol.GlobalDeviceID, addrs, tc.Now().UnixNano()); err != nil {
@@ -134,28 +135,28 @@ func TestDatabaseGetSet(t *testing.T) {
 func TestFilter(t *testing.T) {
 	// all cases are expired with t=10
 	cases := []struct {
-		a []DatabaseAddress
-		b []DatabaseAddress
+		a []*discosrv.DatabaseAddress
+		b []*discosrv.DatabaseAddress
 	}{
 		{
 			a: nil,
 			b: nil,
 		},
 		{
-			a: []DatabaseAddress{{Address: "a", Expires: 9}, {Address: "b", Expires: 9}, {Address: "c", Expires: 9}},
-			b: []DatabaseAddress{},
+			a: []*discosrv.DatabaseAddress{{Address: "a", Expires: 9}, {Address: "b", Expires: 9}, {Address: "c", Expires: 9}},
+			b: []*discosrv.DatabaseAddress{},
 		},
 		{
-			a: []DatabaseAddress{{Address: "a", Expires: 10}},
-			b: []DatabaseAddress{{Address: "a", Expires: 10}},
+			a: []*discosrv.DatabaseAddress{{Address: "a", Expires: 10}},
+			b: []*discosrv.DatabaseAddress{{Address: "a", Expires: 10}},
 		},
 		{
-			a: []DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 10}, {Address: "c", Expires: 10}},
-			b: []DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 10}, {Address: "c", Expires: 10}},
+			a: []*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 10}, {Address: "c", Expires: 10}},
+			b: []*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 10}, {Address: "c", Expires: 10}},
 		},
 		{
-			a: []DatabaseAddress{{Address: "a", Expires: 5}, {Address: "b", Expires: 15}, {Address: "c", Expires: 5}, {Address: "d", Expires: 15}, {Address: "e", Expires: 5}},
-			b: []DatabaseAddress{{Address: "b", Expires: 15}, {Address: "d", Expires: 15}},
+			a: []*discosrv.DatabaseAddress{{Address: "a", Expires: 5}, {Address: "b", Expires: 15}, {Address: "c", Expires: 5}, {Address: "d", Expires: 15}, {Address: "e", Expires: 5}},
+			b: []*discosrv.DatabaseAddress{{Address: "b", Expires: 15}, {Address: "d", Expires: 15}},
 		},
 	}
 
@@ -169,62 +170,62 @@ func TestFilter(t *testing.T) {
 
 func TestMerge(t *testing.T) {
 	cases := []struct {
-		a, b, res []DatabaseAddress
+		a, b, res []*discosrv.DatabaseAddress
 	}{
 		{nil, nil, nil},
 		{
 			nil,
-			[]DatabaseAddress{{Address: "a", Expires: 10}},
-			[]DatabaseAddress{{Address: "a", Expires: 10}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}},
 		},
 		{
 			nil,
-			[]DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 10}, {Address: "c", Expires: 10}},
-			[]DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 10}, {Address: "c", Expires: 10}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 10}, {Address: "c", Expires: 10}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 10}, {Address: "c", Expires: 10}},
 		},
 		{
-			[]DatabaseAddress{{Address: "a", Expires: 10}},
-			[]DatabaseAddress{{Address: "a", Expires: 15}},
-			[]DatabaseAddress{{Address: "a", Expires: 15}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 15}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 15}},
 		},
 		{
-			[]DatabaseAddress{{Address: "a", Expires: 10}},
-			[]DatabaseAddress{{Address: "b", Expires: 15}},
-			[]DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}},
+			[]*discosrv.DatabaseAddress{{Address: "b", Expires: 15}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}},
 		},
 		{
-			[]DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}},
-			[]DatabaseAddress{{Address: "a", Expires: 15}, {Address: "b", Expires: 15}},
-			[]DatabaseAddress{{Address: "a", Expires: 15}, {Address: "b", Expires: 15}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 15}, {Address: "b", Expires: 15}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 15}, {Address: "b", Expires: 15}},
 		},
 		{
-			[]DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}},
-			[]DatabaseAddress{{Address: "b", Expires: 15}, {Address: "c", Expires: 20}},
-			[]DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}, {Address: "c", Expires: 20}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}},
+			[]*discosrv.DatabaseAddress{{Address: "b", Expires: 15}, {Address: "c", Expires: 20}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}, {Address: "c", Expires: 20}},
 		},
 		{
-			[]DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}},
-			[]DatabaseAddress{{Address: "b", Expires: 5}, {Address: "c", Expires: 20}},
-			[]DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}, {Address: "c", Expires: 20}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}},
+			[]*discosrv.DatabaseAddress{{Address: "b", Expires: 5}, {Address: "c", Expires: 20}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}, {Address: "c", Expires: 20}},
 		},
 		{
-			[]DatabaseAddress{{Address: "y", Expires: 10}, {Address: "z", Expires: 10}},
-			[]DatabaseAddress{{Address: "a", Expires: 5}, {Address: "b", Expires: 15}},
-			[]DatabaseAddress{{Address: "a", Expires: 5}, {Address: "b", Expires: 15}, {Address: "y", Expires: 10}, {Address: "z", Expires: 10}},
+			[]*discosrv.DatabaseAddress{{Address: "y", Expires: 10}, {Address: "z", Expires: 10}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 5}, {Address: "b", Expires: 15}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 5}, {Address: "b", Expires: 15}, {Address: "y", Expires: 10}, {Address: "z", Expires: 10}},
 		},
 		{
-			[]DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}, {Address: "d", Expires: 10}},
-			[]DatabaseAddress{{Address: "b", Expires: 5}, {Address: "c", Expires: 20}},
-			[]DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}, {Address: "c", Expires: 20}, {Address: "d", Expires: 10}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}, {Address: "d", Expires: 10}},
+			[]*discosrv.DatabaseAddress{{Address: "b", Expires: 5}, {Address: "c", Expires: 20}},
+			[]*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}, {Address: "c", Expires: 20}, {Address: "d", Expires: 10}},
 		},
 	}
 
 	for _, tc := range cases {
-		rec := merge(DatabaseRecord{Addresses: tc.a}, DatabaseRecord{Addresses: tc.b})
+		rec := merge(&discosrv.DatabaseRecord{Addresses: tc.a}, &discosrv.DatabaseRecord{Addresses: tc.b})
 		if fmt.Sprint(rec.Addresses) != fmt.Sprint(tc.res) {
 			t.Errorf("Incorrect result %v, expected %v", rec.Addresses, tc.res)
 		}
-		rec = merge(DatabaseRecord{Addresses: tc.b}, DatabaseRecord{Addresses: tc.a})
+		rec = merge(&discosrv.DatabaseRecord{Addresses: tc.b}, &discosrv.DatabaseRecord{Addresses: tc.a})
 		if fmt.Sprint(rec.Addresses) != fmt.Sprint(tc.res) {
 			t.Errorf("Incorrect result %v, expected %v", rec.Addresses, tc.res)
 		}
@@ -233,9 +234,9 @@ func TestMerge(t *testing.T) {
 
 func BenchmarkMergeEqual(b *testing.B) {
 	for i := 0; i < b.N; i++ {
-		ar := []DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}}
-		br := []DatabaseAddress{{Address: "a", Expires: 15}, {Address: "b", Expires: 10}}
-		res := merge(DatabaseRecord{Addresses: ar}, DatabaseRecord{Addresses: br})
+		ar := []*discosrv.DatabaseAddress{{Address: "a", Expires: 10}, {Address: "b", Expires: 15}}
+		br := []*discosrv.DatabaseAddress{{Address: "a", Expires: 15}, {Address: "b", Expires: 10}}
+		res := merge(&discosrv.DatabaseRecord{Addresses: ar}, &discosrv.DatabaseRecord{Addresses: br})
 		if len(res.Addresses) != 2 {
 			b.Fatal("wrong length")
 		}

cmd/stdiscosrv/main.go

@@ -11,22 +11,22 @@ import (
 	"crypto/tls"
 	"log"
 	"net/http"
+	_ "net/http/pprof"
 	"os"
 	"os/signal"
 	"runtime"
 	"time"
 
-	_ "net/http/pprof"
-
 	"github.com/alecthomas/kong"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"github.com/thejerf/suture/v4"
+
 	_ "github.com/syncthing/syncthing/lib/automaxprocs"
 	"github.com/syncthing/syncthing/lib/build"
 	"github.com/syncthing/syncthing/lib/protocol"
 	"github.com/syncthing/syncthing/lib/rand"
 	"github.com/syncthing/syncthing/lib/s3"
 	"github.com/syncthing/syncthing/lib/tlsutil"
-	"github.com/thejerf/suture/v4"
 )
 
 const (

cmd/strelaysrv/listener.go

@@ -12,9 +12,8 @@ import (
 	"time"
 
 	syncthingprotocol "github.com/syncthing/syncthing/lib/protocol"
-	"github.com/syncthing/syncthing/lib/tlsutil"
-
 	"github.com/syncthing/syncthing/lib/relay/protocol"
+	"github.com/syncthing/syncthing/lib/tlsutil"
 )
 
 var (

cmd/strelaysrv/main.go

@@ -19,6 +19,8 @@ import (
 	"syscall"
 	"time"
 
+	"golang.org/x/time/rate"
+
 	_ "github.com/syncthing/syncthing/lib/automaxprocs"
 	"github.com/syncthing/syncthing/lib/build"
 	"github.com/syncthing/syncthing/lib/config"
@@ -30,7 +32,6 @@ import (
 	"github.com/syncthing/syncthing/lib/relay/protocol"
 	"github.com/syncthing/syncthing/lib/tlsutil"
 	_ "github.com/syncthing/syncthing/lib/upnp"
-	"golang.org/x/time/rate"
 )
 
 var (

cmd/syncthing/cli/debug.go

@@ -41,5 +41,4 @@ func (p *profileCommand) Run(ctx Context) error {
 type debugCommand struct {
 	File    fileCommand    `cmd:"" help:"Show information about a file (or directory/symlink)"`
 	Profile profileCommand `cmd:"" help:"Save a profile to help figuring out what Syncthing does"`
-	Index   indexCommand   `cmd:"" help:"Show information about the index (database)"`
 }

cmd/syncthing/cli/index.go

@@ -1,32 +0,0 @@
-// Copyright (C) 2014 The Syncthing Authors.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at https://mozilla.org/MPL/2.0/.
-
-package cli
-
-import (
-	"github.com/alecthomas/kong"
-)
-
-type indexCommand struct {
-	Dump     struct{} `cmd:"" help:"Print the entire db"`
-	DumpSize struct{} `cmd:"" help:"Print the db size of different categories of information"`
-	Check    struct{} `cmd:"" help:"Check the database for inconsistencies"`
-	Account  struct{} `cmd:"" help:"Print key and value size statistics per key type"`
-}
-
-func (*indexCommand) Run(kongCtx *kong.Context) error {
-	switch kongCtx.Selected().Name {
-	case "dump":
-		return indexDump()
-	case "dump-size":
-		return indexDumpSize()
-	case "check":
-		return indexCheck()
-	case "account":
-		return indexAccount()
-	}
-	return nil
-}

cmd/syncthing/cli/index_accounting.go

@@ -1,62 +0,0 @@
-// Copyright (C) 2020 The Syncthing Authors.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at https://mozilla.org/MPL/2.0/.
-
-package cli
-
-import (
-	"fmt"
-	"os"
-	"text/tabwriter"
-)
-
-// indexAccount prints key and data size statistics per class
-func indexAccount() error {
-	ldb, err := getDB()
-	if err != nil {
-		return err
-	}
-
-	it, err := ldb.NewPrefixIterator(nil)
-	if err != nil {
-		return err
-	}
-
-	var ksizes [256]int
-	var dsizes [256]int
-	var counts [256]int
-	var max [256]int
-
-	for it.Next() {
-		key := it.Key()
-		t := key[0]
-		ds := len(it.Value())
-		ks := len(key)
-		s := ks + ds
-
-		counts[t]++
-		ksizes[t] += ks
-		dsizes[t] += ds
-		if s > max[t] {
-			max[t] = s
-		}
-	}
-
-	tw := tabwriter.NewWriter(os.Stdout, 1, 1, 1, ' ', tabwriter.AlignRight)
-	toti, totds, totks := 0, 0, 0
-	for t := range ksizes {
-		if ksizes[t] > 0 {
-			// yes metric kilobytes 🤘
-			fmt.Fprintf(tw, "0x%02x:\t%d items,\t%d KB keys +\t%d KB data,\t%d B +\t%d B avg,\t%d B max\t\n", t, counts[t], ksizes[t]/1000, dsizes[t]/1000, ksizes[t]/counts[t], dsizes[t]/counts[t], max[t])
-			toti += counts[t]
-			totds += dsizes[t]
-			totks += ksizes[t]
-		}
-	}
-	fmt.Fprintf(tw, "Total\t%d items,\t%d KB keys +\t%d KB data.\t\n", toti, totks/1000, totds/1000)
-	tw.Flush()
-
-	return nil
-}

cmd/syncthing/cli/index_dump.go

@@ -1,158 +0,0 @@
-// Copyright (C) 2015 The Syncthing Authors.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at https://mozilla.org/MPL/2.0/.
-
-package cli
-
-import (
-	"encoding/binary"
-	"fmt"
-	"time"
-
-	"github.com/syncthing/syncthing/lib/db"
-	"github.com/syncthing/syncthing/lib/protocol"
-)
-
-func indexDump() error {
-	ldb, err := getDB()
-	if err != nil {
-		return err
-	}
-	it, err := ldb.NewPrefixIterator(nil)
-	if err != nil {
-		return err
-	}
-	for it.Next() {
-		key := it.Key()
-		switch key[0] {
-		case db.KeyTypeDevice:
-			folder := binary.BigEndian.Uint32(key[1:])
-			device := binary.BigEndian.Uint32(key[1+4:])
-			name := nulString(key[1+4+4:])
-			fmt.Printf("[device] F:%d D:%d N:%q", folder, device, name)
-
-			var f protocol.FileInfo
-			err := f.Unmarshal(it.Value())
-			if err != nil {
-				return err
-			}
-			fmt.Printf(" V:%v\n", f)
-
-		case db.KeyTypeGlobal:
-			folder := binary.BigEndian.Uint32(key[1:])
-			name := nulString(key[1+4:])
-			var flv db.VersionList
-			flv.Unmarshal(it.Value())
-			fmt.Printf("[global] F:%d N:%q V:%s\n", folder, name, flv)
-
-		case db.KeyTypeBlock:
-			folder := binary.BigEndian.Uint32(key[1:])
-			hash := key[1+4 : 1+4+32]
-			name := nulString(key[1+4+32:])
-			fmt.Printf("[block] F:%d H:%x N:%q I:%d\n", folder, hash, name, binary.BigEndian.Uint32(it.Value()))
-
-		case db.KeyTypeDeviceStatistic:
-			fmt.Printf("[dstat] K:%x V:%x\n", key, it.Value())
-
-		case db.KeyTypeFolderStatistic:
-			fmt.Printf("[fstat] K:%x V:%x\n", key, it.Value())
-
-		case db.KeyTypeVirtualMtime:
-			folder := binary.BigEndian.Uint32(key[1:])
-			name := nulString(key[1+4:])
-			val := it.Value()
-			var realTime, virtualTime time.Time
-			realTime.UnmarshalBinary(val[:len(val)/2])
-			virtualTime.UnmarshalBinary(val[len(val)/2:])
-			fmt.Printf("[mtime] F:%d N:%q R:%v V:%v\n", folder, name, realTime, virtualTime)
-
-		case db.KeyTypeFolderIdx:
-			key := binary.BigEndian.Uint32(key[1:])
-			fmt.Printf("[folderidx] K:%d V:%q\n", key, it.Value())
-
-		case db.KeyTypeDeviceIdx:
-			key := binary.BigEndian.Uint32(key[1:])
-			val := it.Value()
-			device := "<nil>"
-			if len(val) > 0 {
-				dev, err := protocol.DeviceIDFromBytes(val)
-				if err != nil {
-					device = fmt.Sprintf("<invalid %d bytes>", len(val))
-				} else {
-					device = dev.String()
-				}
-			}
-			fmt.Printf("[deviceidx] K:%d V:%s\n", key, device)
-
-		case db.KeyTypeIndexID:
-			device := binary.BigEndian.Uint32(key[1:])
-			folder := binary.BigEndian.Uint32(key[5:])
-			fmt.Printf("[indexid] D:%d F:%d I:%x\n", device, folder, it.Value())
-
-		case db.KeyTypeFolderMeta:
-			folder := binary.BigEndian.Uint32(key[1:])
-			fmt.Printf("[foldermeta] F:%d", folder)
-			var cs db.CountsSet
-			if err := cs.Unmarshal(it.Value()); err != nil {
-				fmt.Printf(" (invalid)\n")
-			} else {
-				fmt.Printf(" V:%v\n", cs)
-			}
-
-		case db.KeyTypeMiscData:
-			fmt.Printf("[miscdata] K:%q V:%q\n", key[1:], it.Value())
-
-		case db.KeyTypeSequence:
-			folder := binary.BigEndian.Uint32(key[1:])
-			seq := binary.BigEndian.Uint64(key[5:])
-			fmt.Printf("[sequence] F:%d S:%d V:%q\n", folder, seq, it.Value())
-
-		case db.KeyTypeNeed:
-			folder := binary.BigEndian.Uint32(key[1:])
-			file := string(key[5:])
-			fmt.Printf("[need] F:%d V:%q\n", folder, file)
-
-		case db.KeyTypeBlockList:
-			fmt.Printf("[blocklist] H:%x\n", key[1:])
-
-		case db.KeyTypeBlockListMap:
-			folder := binary.BigEndian.Uint32(key[1:])
-			hash := key[5:37]
-			fileName := string(key[37:])
-			fmt.Printf("[blocklistmap] F:%d H:%x N:%s\n", folder, hash, fileName)
-
-		case db.KeyTypeVersion:
-			fmt.Printf("[version] H:%x", key[1:])
-			var v protocol.Vector
-			err := v.Unmarshal(it.Value())
-			if err != nil {
-				fmt.Printf(" (invalid)\n")
-			} else {
-				fmt.Printf(" V:%v\n", v)
-			}
-
-		case db.KeyTypePendingFolder:
-			device := binary.BigEndian.Uint32(key[1:])
-			folder := string(key[5:])
-			var of db.ObservedFolder
-			of.Unmarshal(it.Value())
-			fmt.Printf("[pendingFolder] D:%d F:%s V:%v\n", device, folder, of)
-
-		case db.KeyTypePendingDevice:
-			device := "<invalid>"
-			dev, err := protocol.DeviceIDFromBytes(key[1:])
-			if err == nil {
-				device = dev.String()
-			}
-			var od db.ObservedDevice
-			od.Unmarshal(it.Value())
-			fmt.Printf("[pendingDevice] D:%v V:%v\n", device, od)
-
-		default:
-			fmt.Printf("[??? %d]\n  %x\n  %x\n", key[0], key, it.Value())
-		}
-	}
-	return nil
-}

cmd/syncthing/cli/index_dumpsize.go

@@ -1,88 +0,0 @@
-// Copyright (C) 2015 The Syncthing Authors.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at https://mozilla.org/MPL/2.0/.
-
-package cli
-
-import (
-	"encoding/binary"
-	"fmt"
-	"sort"
-
-	"github.com/syncthing/syncthing/lib/db"
-)
-
-func indexDumpSize() error {
-	type sizedElement struct {
-		key  string
-		size int
-	}
-
-	ldb, err := getDB()
-	if err != nil {
-		return err
-	}
-
-	it, err := ldb.NewPrefixIterator(nil)
-	if err != nil {
-		return err
-	}
-
-	var elems []sizedElement
-	for it.Next() {
-		var ele sizedElement
-
-		key := it.Key()
-		switch key[0] {
-		case db.KeyTypeDevice:
-			folder := binary.BigEndian.Uint32(key[1:])
-			device := binary.BigEndian.Uint32(key[1+4:])
-			name := nulString(key[1+4+4:])
-			ele.key = fmt.Sprintf("DEVICE:%d:%d:%s", folder, device, name)
-
-		case db.KeyTypeGlobal:
-			folder := binary.BigEndian.Uint32(key[1:])
-			name := nulString(key[1+4:])
-			ele.key = fmt.Sprintf("GLOBAL:%d:%s", folder, name)
-
-		case db.KeyTypeBlock:
-			folder := binary.BigEndian.Uint32(key[1:])
-			hash := key[1+4 : 1+4+32]
-			name := nulString(key[1+4+32:])
-			ele.key = fmt.Sprintf("BLOCK:%d:%x:%s", folder, hash, name)
-
-		case db.KeyTypeDeviceStatistic:
-			ele.key = fmt.Sprintf("DEVICESTATS:%s", key[1:])
-
-		case db.KeyTypeFolderStatistic:
-			ele.key = fmt.Sprintf("FOLDERSTATS:%s", key[1:])
-
-		case db.KeyTypeVirtualMtime:
-			ele.key = fmt.Sprintf("MTIME:%s", key[1:])
-
-		case db.KeyTypeFolderIdx:
-			id := binary.BigEndian.Uint32(key[1:])
-			ele.key = fmt.Sprintf("FOLDERIDX:%d", id)
-
-		case db.KeyTypeDeviceIdx:
-			id := binary.BigEndian.Uint32(key[1:])
-			ele.key = fmt.Sprintf("DEVICEIDX:%d", id)
-
-		default:
-			ele.key = fmt.Sprintf("UNKNOWN:%x", key)
-		}
-		ele.size = len(it.Value())
-		elems = append(elems, ele)
-	}
-
-	sort.Slice(elems, func(i, j int) bool {
-		return elems[i].size > elems[j].size
-	})
-	for _, ele := range elems {
-		fmt.Println(ele.key, ele.size)
-	}
-
-	return nil
-}

cmd/syncthing/cli/index_idxck.go

@@ -1,355 +0,0 @@
-// Copyright (C) 2018 The Syncthing Authors.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at https://mozilla.org/MPL/2.0/.
-
-package cli
-
-import (
-	"bytes"
-	"encoding/binary"
-	"errors"
-	"fmt"
-	"sort"
-
-	"github.com/syncthing/syncthing/lib/db"
-	"github.com/syncthing/syncthing/lib/protocol"
-)
-
-type fileInfoKey struct {
-	folder uint32
-	device uint32
-	name   string
-}
-
-type globalKey struct {
-	folder uint32
-	name   string
-}
-
-type sequenceKey struct {
-	folder   uint32
-	sequence uint64
-}
-
-func indexCheck() (err error) {
-	ldb, err := getDB()
-	if err != nil {
-		return err
-	}
-
-	folders := make(map[uint32]string)
-	devices := make(map[uint32]string)
-	deviceToIDs := make(map[string]uint32)
-	fileInfos := make(map[fileInfoKey]protocol.FileInfo)
-	globals := make(map[globalKey]db.VersionList)
-	sequences := make(map[sequenceKey]string)
-	needs := make(map[globalKey]struct{})
-	blocklists := make(map[string]struct{})
-	versions := make(map[string]protocol.Vector)
-	usedBlocklists := make(map[string]struct{})
-	usedVersions := make(map[string]struct{})
-	var localDeviceKey uint32
-	success := true
-	defer func() {
-		if err == nil {
-			if success {
-				fmt.Println("Index check completed successfully.")
-			} else {
-				err = errors.New("Inconsistencies found in the index")
-			}
-		}
-	}()
-
-	it, err := ldb.NewPrefixIterator(nil)
-	if err != nil {
-		return err
-	}
-	for it.Next() {
-		key := it.Key()
-		switch key[0] {
-		case db.KeyTypeDevice:
-			folder := binary.BigEndian.Uint32(key[1:])
-			device := binary.BigEndian.Uint32(key[1+4:])
-			name := nulString(key[1+4+4:])
-
-			var f protocol.FileInfo
-			err := f.Unmarshal(it.Value())
-			if err != nil {
-				fmt.Println("Unable to unmarshal FileInfo:", err)
-				success = false
-				continue
-			}
-
-			fileInfos[fileInfoKey{folder, device, name}] = f
-
-		case db.KeyTypeGlobal:
-			folder := binary.BigEndian.Uint32(key[1:])
-			name := nulString(key[1+4:])
-			var flv db.VersionList
-			if err := flv.Unmarshal(it.Value()); err != nil {
-				fmt.Println("Unable to unmarshal VersionList:", err)
-				success = false
-				continue
-			}
-			globals[globalKey{folder, name}] = flv
-
-		case db.KeyTypeFolderIdx:
-			key := binary.BigEndian.Uint32(it.Key()[1:])
-			folders[key] = string(it.Value())
-
-		case db.KeyTypeDeviceIdx:
-			key := binary.BigEndian.Uint32(it.Key()[1:])
-			devices[key] = string(it.Value())
-			deviceToIDs[string(it.Value())] = key
-			if bytes.Equal(it.Value(), protocol.LocalDeviceID[:]) {
-				localDeviceKey = key
-			}
-
-		case db.KeyTypeSequence:
-			folder := binary.BigEndian.Uint32(key[1:])
-			seq := binary.BigEndian.Uint64(key[5:])
-			val := it.Value()
-			sequences[sequenceKey{folder, seq}] = string(val[9:])
-
-		case db.KeyTypeNeed:
-			folder := binary.BigEndian.Uint32(key[1:])
-			name := nulString(key[1+4:])
-			needs[globalKey{folder, name}] = struct{}{}
-
-		case db.KeyTypeBlockList:
-			hash := string(key[1:])
-			blocklists[hash] = struct{}{}
-
-		case db.KeyTypeVersion:
-			hash := string(key[1:])
-			var v protocol.Vector
-			if err := v.Unmarshal(it.Value()); err != nil {
-				fmt.Println("Unable to unmarshal Vector:", err)
-				success = false
-				continue
-			}
-			versions[hash] = v
-		}
-	}
-
-	if localDeviceKey == 0 {
-		fmt.Println("Missing key for local device in device index (bailing out)")
-		success = false
-		return
-	}
-
-	var missingSeq []sequenceKey
-	for fk, fi := range fileInfos {
-		if fk.name != fi.Name {
-			fmt.Printf("Mismatching FileInfo name, %q (key) != %q (actual)\n", fk.name, fi.Name)
-			success = false
-		}
-
-		folder := folders[fk.folder]
-		if folder == "" {
-			fmt.Printf("Unknown folder ID %d for FileInfo %q\n", fk.folder, fk.name)
-			success = false
-			continue
-		}
-		if devices[fk.device] == "" {
-			fmt.Printf("Unknown device ID %d for FileInfo %q, folder %q\n", fk.folder, fk.name, folder)
-			success = false
-		}
-
-		if fk.device == localDeviceKey {
-			sk := sequenceKey{fk.folder, uint64(fi.Sequence)}
-			name, ok := sequences[sk]
-			if !ok {
-				fmt.Printf("Sequence entry missing for FileInfo %q, folder %q, seq %d\n", fi.Name, folder, fi.Sequence)
-				missingSeq = append(missingSeq, sk)
-				success = false
-				continue
-			}
-			if name != fi.Name {
-				fmt.Printf("Sequence entry refers to wrong name, %q (seq) != %q (FileInfo), folder %q, seq %d\n", name, fi.Name, folder, fi.Sequence)
-				success = false
-			}
-		}
-
-		if len(fi.Blocks) == 0 && len(fi.BlocksHash) != 0 {
-			key := string(fi.BlocksHash)
-			if _, ok := blocklists[key]; !ok {
-				fmt.Printf("Missing block list for file %q, block list hash %x\n", fi.Name, fi.BlocksHash)
-				success = false
-			} else {
-				usedBlocklists[key] = struct{}{}
-			}
-		}
-
-		if fi.VersionHash != nil {
-			key := string(fi.VersionHash)
-			if _, ok := versions[key]; !ok {
-				fmt.Printf("Missing version vector for file %q, version hash %x\n", fi.Name, fi.VersionHash)
-				success = false
-			} else {
-				usedVersions[key] = struct{}{}
-			}
-		}
-
-		_, ok := globals[globalKey{fk.folder, fk.name}]
-		if !ok {
-			fmt.Printf("Missing global for file %q\n", fi.Name)
-			success = false
-			continue
-		}
-	}
-
-	// Aggregate the ranges of missing sequence entries, print them
-
-	sort.Slice(missingSeq, func(a, b int) bool {
-		if missingSeq[a].folder != missingSeq[b].folder {
-			return missingSeq[a].folder < missingSeq[b].folder
-		}
-		return missingSeq[a].sequence < missingSeq[b].sequence
-	})
-
-	var folder uint32
-	var startSeq, prevSeq uint64
-	for _, sk := range missingSeq {
-		if folder != sk.folder || sk.sequence != prevSeq+1 {
-			if folder != 0 {
-				fmt.Printf("Folder %d missing %d sequence entries: #%d - #%d\n", folder, prevSeq-startSeq+1, startSeq, prevSeq)
-			}
-			startSeq = sk.sequence
-			folder = sk.folder
-		}
-		prevSeq = sk.sequence
-	}
-	if folder != 0 {
-		fmt.Printf("Folder %d missing %d sequence entries: #%d - #%d\n", folder, prevSeq-startSeq+1, startSeq, prevSeq)
-	}
-
-	for gk, vl := range globals {
-		folder := folders[gk.folder]
-		if folder == "" {
-			fmt.Printf("Unknown folder ID %d for VersionList %q\n", gk.folder, gk.name)
-			success = false
-		}
-		checkGlobal := func(i int, device []byte, version protocol.Vector, invalid, deleted bool) {
-			dev, ok := deviceToIDs[string(device)]
-			if !ok {
-				fmt.Printf("VersionList %q, folder %q refers to unknown device %q\n", gk.name, folder, device)
-				success = false
-			}
-			fi, ok := fileInfos[fileInfoKey{gk.folder, dev, gk.name}]
-			if !ok {
-				fmt.Printf("VersionList %q, folder %q, entry %d refers to unknown FileInfo\n", gk.name, folder, i)
-				success = false
-			}
-
-			fiv := fi.Version
-			if fi.VersionHash != nil {
-				fiv = versions[string(fi.VersionHash)]
-			}
-			if !fiv.Equal(version) {
-				fmt.Printf("VersionList %q, folder %q, entry %d, FileInfo version mismatch, %v (VersionList) != %v (FileInfo)\n", gk.name, folder, i, version, fi.Version)
-				success = false
-			}
-			if fi.IsInvalid() != invalid {
-				fmt.Printf("VersionList %q, folder %q, entry %d, FileInfo invalid mismatch, %v (VersionList) != %v (FileInfo)\n", gk.name, folder, i, invalid, fi.IsInvalid())
-				success = false
-			}
-			if fi.IsDeleted() != deleted {
-				fmt.Printf("VersionList %q, folder %q, entry %d, FileInfo deleted mismatch, %v (VersionList) != %v (FileInfo)\n", gk.name, folder, i, deleted, fi.IsDeleted())
-				success = false
-			}
-		}
-		for i, fv := range vl.RawVersions {
-			for _, device := range fv.Devices {
-				checkGlobal(i, device, fv.Version, false, fv.Deleted)
-			}
-			for _, device := range fv.InvalidDevices {
-				checkGlobal(i, device, fv.Version, true, fv.Deleted)
-			}
-		}
-
-		// If we need this file we should have a need entry for it. False
-		// positives from needsLocally for deleted files, where we might
-		// legitimately lack an entry if we never had it, and ignored files.
-		if needsLocally(vl) {
-			_, ok := needs[gk]
-			if !ok {
-				fv, _ := vl.GetGlobal()
-				devB, _ := fv.FirstDevice()
-				dev := deviceToIDs[string(devB)]
-				fi := fileInfos[fileInfoKey{gk.folder, dev, gk.name}]
-				if !fi.IsDeleted() && !fi.IsIgnored() {
-					fmt.Printf("Missing need entry for needed file %q, folder %q\n", gk.name, folder)
-				}
-			}
-		}
-	}
-
-	seenSeq := make(map[fileInfoKey]uint64)
-	for sk, name := range sequences {
-		folder := folders[sk.folder]
-		if folder == "" {
-			fmt.Printf("Unknown folder ID %d for sequence entry %d, %q\n", sk.folder, sk.sequence, name)
-			success = false
-			continue
-		}
-
-		if prev, ok := seenSeq[fileInfoKey{folder: sk.folder, name: name}]; ok {
-			fmt.Printf("Duplicate sequence entry for %q, folder %q, seq %d (prev %d)\n", name, folder, sk.sequence, prev)
-			success = false
-		}
-		seenSeq[fileInfoKey{folder: sk.folder, name: name}] = sk.sequence
-
-		fi, ok := fileInfos[fileInfoKey{sk.folder, localDeviceKey, name}]
-		if !ok {
-			fmt.Printf("Missing FileInfo for sequence entry %d, folder %q, %q\n", sk.sequence, folder, name)
-			success = false
-			continue
-		}
-		if fi.Sequence != int64(sk.sequence) {
-			fmt.Printf("Sequence mismatch for %q, folder %q, %d (key) != %d (FileInfo)\n", name, folder, sk.sequence, fi.Sequence)
-			success = false
-		}
-	}
-
-	for nk := range needs {
-		folder := folders[nk.folder]
-		if folder == "" {
-			fmt.Printf("Unknown folder ID %d for need entry %q\n", nk.folder, nk.name)
-			success = false
-			continue
-		}
-
-		vl, ok := globals[nk]
-		if !ok {
-			fmt.Printf("Missing global for need entry %q, folder %q\n", nk.name, folder)
-			success = false
-			continue
-		}
-
-		if !needsLocally(vl) {
-			fmt.Printf("Need entry for file we don't need, %q, folder %q\n", nk.name, folder)
-			success = false
-		}
-	}
-
-	if d := len(blocklists) - len(usedBlocklists); d > 0 {
-		fmt.Printf("%d block list entries out of %d needs GC\n", d, len(blocklists))
-	}
-	if d := len(versions) - len(usedVersions); d > 0 {
-		fmt.Printf("%d version entries out of %d needs GC\n", d, len(versions))
-	}
-
-	return nil
-}
-
-func needsLocally(vl db.VersionList) bool {
-	gfv, gok := vl.GetGlobal()
-	if !gok { // That's weird, but we hardly need something non-existent
-		return false
-	}
-	fv, ok := vl.Get(protocol.LocalDeviceID[:])
-	return db.Need(gfv, ok, fv.Version)
-}

cmd/syncthing/cli/main.go

@@ -19,10 +19,10 @@ import (
 )
 
 type CLI struct {
-	cmdutil.CommonOptions
-	DataDir    string `name:"data" placeholder:"PATH" env:"STDATADIR" help:"Set data directory (database and logs)"`
-	GUIAddress string `name:"gui-address"`
-	GUIAPIKey  string `name:"gui-apikey"`
+	cmdutil.DirOptions
+
+	GUIAddress string `name:"gui-address" env:"STGUIADDRESS"`
+	GUIAPIKey  string `name:"gui-apikey" env:"STGUIAPIKEY"`
 
 	Show       showCommand      `cmd:"" help:"Show command group"`
 	Debug      debugCommand     `cmd:"" help:"Debug command group"`

cmd/syncthing/cli/utils.go

@@ -17,8 +17,6 @@ import (
 	"path/filepath"
 
 	"github.com/syncthing/syncthing/lib/config"
-	"github.com/syncthing/syncthing/lib/db/backend"
-	"github.com/syncthing/syncthing/lib/locations"
 )
 
 func responseToBArray(response *http.Response) ([]byte, error) {
@@ -133,10 +131,6 @@ func prettyPrintResponse(response *http.Response) error {
 	return prettyPrintJSON(data)
 }
 
-func getDB() (backend.Backend, error) {
-	return backend.OpenLevelDBRO(locations.Get(locations.Database))
-}
-
 func nulString(bs []byte) string {
 	for i := range bs {
 		if bs[i] == 0 {

cmd/syncthing/cmdutil/diroptions.go

@@ -0,0 +1,14 @@
+// Copyright (C) 2021 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package cmdutil
+
+// DirOptions are reused among several subcommands
+type DirOptions struct {
+	ConfDir string `name:"config" short:"C" placeholder:"PATH" env:"STCONFDIR" help:"Set configuration directory (config and keys)"`
+	DataDir string `name:"data" short:"D" placeholder:"PATH" env:"STDATADIR" help:"Set data directory (database and logs)"`
+	HomeDir string `name:"home" short:"H" placeholder:"PATH" env:"STHOMEDIR" help:"Set configuration and data directory"`
+}

cmd/syncthing/cmdutil/options_common.go

@@ -1,16 +0,0 @@
-// Copyright (C) 2021 The Syncthing Authors.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at https://mozilla.org/MPL/2.0/.
-
-package cmdutil
-
-// CommonOptions are reused among several subcommands
-type CommonOptions struct {
-	buildCommonOptions
-	ConfDir         string `name:"config" placeholder:"PATH" env:"STCONFDIR" help:"Set configuration directory (config and keys)"`
-	HomeDir         string `name:"home" placeholder:"PATH" env:"STHOMEDIR" help:"Set configuration and data directory"`
-	NoDefaultFolder bool   `env:"STNODEFAULTFOLDER" help:"Don't create the \"default\" folder on first startup"`
-	SkipPortProbing bool   `help:"Don't try to find free ports for GUI and listen addresses on first startup"`
-}

cmd/syncthing/decrypt/decrypt.go

@@ -17,6 +17,9 @@ import (
 	"os"
 	"path/filepath"
 
+	"google.golang.org/protobuf/proto"
+
+	"github.com/syncthing/syncthing/internal/gen/bep"
 	"github.com/syncthing/syncthing/lib/config"
 	"github.com/syncthing/syncthing/lib/fs"
 	"github.com/syncthing/syncthing/lib/osutil"
@@ -235,7 +238,7 @@ func (c *CLI) decryptFile(encFi *protocol.FileInfo, plainFi *protocol.FileInfo,
 		}
 
 		// Verify the hash against the plaintext block info
-		if !scanner.Validate(dec, plainBlock.Hash, 0) {
+		if !scanner.Validate(dec, plainBlock.Hash) {
 			// The block decrypted correctly but fails the hash check. This
 			// is odd and unexpected, but it it's still a valid block from
 			// the source. The file might have changed while we pulled it?
@@ -280,10 +283,11 @@ func loadEncryptedFileInfo(fd fs.File) (*protocol.FileInfo, error) {
 		return nil, err
 	}
 
-	var encFi protocol.FileInfo
-	if err := encFi.Unmarshal(trailer); err != nil {
+	var encFi bep.FileInfo
+	if err := proto.Unmarshal(trailer, &encFi); err != nil {
 		return nil, err
 	}
+	fi := protocol.FileInfoFromWire(&encFi)
 
-	return &encFi, nil
+	return &fi, nil
 }

cmd/syncthing/generate/generate.go

@@ -21,22 +21,19 @@ import (
 	"github.com/syncthing/syncthing/lib/fs"
 	"github.com/syncthing/syncthing/lib/locations"
 	"github.com/syncthing/syncthing/lib/logger"
-	"github.com/syncthing/syncthing/lib/osutil"
 	"github.com/syncthing/syncthing/lib/protocol"
 	"github.com/syncthing/syncthing/lib/syncthing"
 )
 
 type CLI struct {
-	cmdutil.CommonOptions
-	GUIUser     string `placeholder:"STRING" help:"Specify new GUI authentication user name"`
-	GUIPassword string `placeholder:"STRING" help:"Specify new GUI authentication password (use - to read from standard input)"`
+	cmdutil.DirOptions
+	GUIUser         string `placeholder:"STRING" help:"Specify new GUI authentication user name"`
+	GUIPassword     string `placeholder:"STRING" help:"Specify new GUI authentication password (use - to read from standard input)"`
+	NoDefaultFolder bool   `help:"Don't create the \"default\" folder on first startup" env:"STNODEFAULTFOLDER"`
+	NoPortProbing   bool   `help:"Don't try to find free ports for GUI and listen addresses on first startup" env:"STNOPORTPROBING"`
 }
 
 func (c *CLI) Run(l logger.Logger) error {
-	if c.HideConsole {
-		osutil.HideConsole()
-	}
-
 	if c.HomeDir != "" {
 		if c.ConfDir != "" {
 			return errors.New("--home must not be used together with --config")
@@ -57,7 +54,7 @@ func (c *CLI) Run(l logger.Logger) error {
 		c.GUIPassword = string(password)
 	}
 
-	if err := Generate(l, c.ConfDir, c.GUIUser, c.GUIPassword, c.NoDefaultFolder, c.SkipPortProbing); err != nil {
+	if err := Generate(l, c.ConfDir, c.GUIUser, c.GUIPassword, c.NoDefaultFolder, c.NoPortProbing); err != nil {
 		return fmt.Errorf("failed to generate config and keys: %w", err)
 	}
 	return nil

cmd/syncthing/hideconsole_others.go

@@ -7,8 +7,8 @@
 //go:build !windows
 // +build !windows
 
-package cmdutil
+package main
 
-type buildCommonOptions struct {
+type buildSpecificOptions struct {
 	HideConsole bool `hidden:""`
 }

cmd/syncthing/hideconsole_windows.go

@@ -4,8 +4,8 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at https://mozilla.org/MPL/2.0/.
 
-package cmdutil
+package main
 
-type buildCommonOptions struct {
-	HideConsole bool `name:"no-console" help:"Hide console window"`
+type buildSpecificOptions struct {
+	HideConsole bool `name:"no-console" help:"Hide console window" env:"STHIDECONSOLE"`
 }

cmd/syncthing/main.go

@@ -22,15 +22,15 @@ import (
 	"path"
 	"path/filepath"
 	"regexp"
+	"runtime"
 	"runtime/pprof"
 	"sort"
 	"strconv"
-	"strings"
 	"syscall"
 	"time"
 
 	"github.com/alecthomas/kong"
-	_ "github.com/syncthing/syncthing/lib/automaxprocs"
+	"github.com/gofrs/flock"
 	"github.com/thejerf/suture/v4"
 	"github.com/willabides/kongplete"
 
@@ -38,10 +38,10 @@ import (
 	"github.com/syncthing/syncthing/cmd/syncthing/cmdutil"
 	"github.com/syncthing/syncthing/cmd/syncthing/decrypt"
 	"github.com/syncthing/syncthing/cmd/syncthing/generate"
+	"github.com/syncthing/syncthing/internal/db"
+	_ "github.com/syncthing/syncthing/lib/automaxprocs"
 	"github.com/syncthing/syncthing/lib/build"
 	"github.com/syncthing/syncthing/lib/config"
-	"github.com/syncthing/syncthing/lib/db"
-	"github.com/syncthing/syncthing/lib/db/backend"
 	"github.com/syncthing/syncthing/lib/dialer"
 	"github.com/syncthing/syncthing/lib/events"
 	"github.com/syncthing/syncthing/lib/fs"
@@ -129,52 +129,53 @@ var (
 // commands and options here are top level commands to syncthing.
 // Cli is just a placeholder for the help text (see main).
 var entrypoint struct {
-	Serve              serveOptions                 `cmd:"" help:"Run Syncthing"`
-	Generate           generate.CLI                 `cmd:"" help:"Generate key and config, then exit"`
-	Decrypt            decrypt.CLI                  `cmd:"" help:"Decrypt or verify an encrypted folder"`
-	Cli                cli.CLI                      `cmd:"" help:"Command line interface for Syncthing"`
+	Serve serveOptions `cmd:"" help:"Run Syncthing (default)" default:"withargs"`
+	CLI   cli.CLI      `cmd:"" help:"Command line interface for Syncthing"`
+
+	Browser  browserCmd   `cmd:"" help:"Open GUI in browser, then exit"`
+	Decrypt  decrypt.CLI  `cmd:"" help:"Decrypt or verify an encrypted folder"`
+	DeviceID deviceIDCmd  `cmd:"" help:"Show device ID, then exit"`
+	Generate generate.CLI `cmd:"" help:"Generate key and config, then exit"`
+	Paths    pathsCmd     `cmd:"" help:"Show configuration paths, then exit"`
+	Upgrade  upgradeCmd   `cmd:"" help:"Perform or check for upgrade, then exit"`
+	Version  versionCmd   `cmd:"" help:"Show current version, then exit"`
+	Debug    debugCmd     `cmd:"" help:"Various debugging commands"`
+
 	InstallCompletions kongplete.InstallCompletions `cmd:"" help:"Print commands to install shell completions"`
 }
 
 // serveOptions are the options for the `syncthing serve` command.
 type serveOptions struct {
-	cmdutil.CommonOptions
-	AllowNewerConfig bool   `help:"Allow loading newer than current config version"`
-	Audit            bool   `help:"Write events to audit file"`
-	AuditFile        string `name:"auditfile" placeholder:"PATH" help:"Specify audit file (use \"-\" for stdout, \"--\" for stderr)"`
-	BrowserOnly      bool   `help:"Open GUI in browser"`
-	DataDir          string `name:"data" placeholder:"PATH" env:"STDATADIR" help:"Set data directory (database and logs)"`
-	DeviceID         bool   `help:"Show the device ID"`
-	GenerateDir      string `name:"generate" placeholder:"PATH" help:"Generate key and config in specified dir, then exit"` // DEPRECATED: replaced by subcommand!
-	GUIAddress       string `name:"gui-address" placeholder:"URL" help:"Override GUI address (e.g. \"http://192.0.2.42:8443\")"`
-	GUIAPIKey        string `name:"gui-apikey" placeholder:"API-KEY" help:"Override GUI API key"`
-	LogFile          string `name:"logfile" default:"${logFile}" placeholder:"PATH" help:"Log file name (see below)"`
-	LogFlags         int    `name:"logflags" default:"${logFlags}" placeholder:"BITS" help:"Select information in log line prefix (see below)"`
-	LogMaxFiles      int    `placeholder:"N" default:"${logMaxFiles}" name:"log-max-old-files" help:"Number of old files to keep (zero to keep only current)"`
-	LogMaxSize       int    `placeholder:"BYTES" default:"${logMaxSize}" help:"Maximum size of any file (zero to disable log rotation)"`
-	NoBrowser        bool   `help:"Do not start browser"`
-	NoRestart        bool   `env:"STNORESTART" help:"Do not restart Syncthing when exiting due to API/GUI command, upgrade, or crash"`
-	NoUpgrade        bool   `env:"STNOUPGRADE" help:"Disable automatic upgrades"`
-	Paths            bool   `help:"Show configuration paths"`
-	Paused           bool   `help:"Start with all devices and folders paused"`
-	Unpaused         bool   `help:"Start with all devices and folders unpaused"`
-	Upgrade          bool   `help:"Perform upgrade"`
-	UpgradeCheck     bool   `help:"Check for available upgrade"`
-	UpgradeTo        string `placeholder:"URL" help:"Force upgrade directly from specified URL"`
-	Verbose          bool   `help:"Print verbose log output"`
-	Version          bool   `help:"Show version"`
+	cmdutil.DirOptions
+	buildSpecificOptions
+
+	AllowNewerConfig      bool          `help:"Allow loading newer than current config version" env:"STALLOWNEWERCONFIG"`
+	Audit                 bool          `help:"Write events to audit file" env:"STAUDIT"`
+	AuditFile             string        `name:"auditfile" help:"Specify audit file (use \"-\" for stdout, \"--\" for stderr)" placeholder:"PATH" env:"STAUDITFILE"`
+	DBMaintenanceInterval time.Duration `help:"Database maintenance interval" default:"8h" env:"STDBMAINTINTERVAL"`
+	GUIAddress            string        `name:"gui-address" help:"Override GUI address (e.g. \"http://192.0.2.42:8443\")" placeholder:"URL" env:"STGUIADDRESS"`
+	GUIAPIKey             string        `name:"gui-apikey" help:"Override GUI API key" placeholder:"API-KEY" env:"STGUIAPIKEY"`
+	LogFile               string        `name:"logfile" help:"Log file name (see below)" default:"${logFile}" placeholder:"PATH" env:"STLOGFILE"`
+	LogFlags              int           `name:"logflags" help:"Select information in log line prefix (see below)" default:"${logFlags}" placeholder:"BITS" env:"STLOGFLAGS"`
+	LogMaxFiles           int           `name:"log-max-old-files" help:"Number of old files to keep (zero to keep only current)" default:"${logMaxFiles}" placeholder:"N" env:"STNUMLOGFILES"`
+	LogMaxSize            int           `help:"Maximum size of any file (zero to disable log rotation)" default:"${logMaxSize}" placeholder:"BYTES" env:"STLOGMAXSIZE"`
+	NoBrowser             bool          `help:"Do not start browser" env:"STNOBROWSER"`
+	NoDefaultFolder       bool          `help:"Don't create the \"default\" folder on first startup" env:"STNODEFAULTFOLDER"`
+	NoPortProbing         bool          `help:"Don't try to find free ports for GUI and listen addresses on first startup" env:"STNOPORTPROBING"`
+	NoRestart             bool          `help:"Do not restart Syncthing when exiting due to API/GUI command, upgrade, or crash" env:"STNORESTART"`
+	NoUpgrade             bool          `help:"Disable automatic upgrades" env:"STNOUPGRADE"`
+	Paused                bool          `help:"Start with all devices and folders paused" env:"STPAUSED"`
+	Unpaused              bool          `help:"Start with all devices and folders unpaused" env:"STUNPAUSED"`
+	Verbose               bool          `help:"Print verbose log output" env:"STVERBOSE"`
 
 	// Debug options below
-	DebugDBIndirectGCInterval time.Duration `env:"STGCINDIRECTEVERY" help:"Database indirection GC interval"`
-	DebugDBRecheckInterval    time.Duration `env:"STRECHECKDBEVERY" help:"Database metadata recalculation interval"`
-	DebugGUIAssetsDir         string        `placeholder:"PATH" help:"Directory to load GUI assets from" env:"STGUIASSETS"`
-	DebugPerfStats            bool          `env:"STPERFSTATS" help:"Write running performance statistics to perf-$pid.csv (Unix only)"`
-	DebugProfileBlock         bool          `env:"STBLOCKPROFILE" help:"Write block profiles to block-$pid-$timestamp.pprof every 20 seconds"`
-	DebugProfileCPU           bool          `help:"Write a CPU profile to cpu-$pid.pprof on exit" env:"STCPUPROFILE"`
-	DebugProfileHeap          bool          `env:"STHEAPPROFILE" help:"Write heap profiles to heap-$pid-$timestamp.pprof each time heap usage increases"`
-	DebugProfilerListen       string        `placeholder:"ADDR" env:"STPROFILER" help:"Network profiler listen address"`
-	DebugResetDatabase        bool          `name:"reset-database" help:"Reset the database, forcing a full rescan and resync"`
-	DebugResetDeltaIdxs       bool          `name:"reset-deltas" help:"Reset delta index IDs, forcing a full index exchange"`
+	DebugGUIAssetsDir   string `help:"Directory to load GUI assets from" placeholder:"PATH" env:"STGUIASSETS"`
+	DebugPerfStats      bool   `help:"Write running performance statistics to perf-$pid.csv (Unix only)" env:"STPERFSTATS"`
+	DebugProfileBlock   bool   `help:"Write block profiles to block-$pid-$timestamp.pprof every 20 seconds" env:"STBLOCKPROFILE"`
+	DebugProfileCPU     bool   `help:"Write a CPU profile to cpu-$pid.pprof on exit" env:"STCPUPROFILE"`
+	DebugProfileHeap    bool   `help:"Write heap profiles to heap-$pid-$timestamp.pprof each time heap usage increases" env:"STHEAPPROFILE"`
+	DebugProfilerListen string `help:"Network profiler listen address" placeholder:"ADDR" env:"STPROFILER" `
+	DebugResetDeltaIdxs bool   `help:"Reset delta index IDs, forcing a full index exchange"`
 
 	// Internal options, not shown to users
 	InternalRestarting   bool `env:"STRESTART" hidden:"1"`
@@ -206,29 +207,6 @@ func defaultVars() kong.Vars {
 }
 
 func main() {
-	// First some massaging of the raw command line to fit the new model.
-	// Basically this means adding the default command at the front, and
-	// converting -options to --options.
-
-	args := os.Args[1:]
-	switch {
-	case len(args) == 0:
-		// Empty command line is equivalent to just calling serve
-		args = []string{"serve"}
-	case args[0] == "-help":
-		// For consistency, we consider this equivalent with --help even
-		// though kong would otherwise consider it a bad flag.
-		args[0] = "--help"
-	case args[0] == "-h", args[0] == "--help":
-		// Top level request for help, let it pass as-is to be handled by
-		// kong to list commands.
-	case strings.HasPrefix(args[0], "-"):
-		// There are flags not preceded by a command, so we tack on the
-		// "serve" command and convert the old style arguments (single dash)
-		// to new style (double dash).
-		args = append([]string{"serve"}, convertLegacyArgs(args)...)
-	}
-
 	// Create a parser with an overridden help function to print our extra
 	// help info.
 	parser, err := kong.New(
@@ -245,7 +223,7 @@ func main() {
 	}
 
 	kongplete.Complete(parser)
-	ctx, err := parser.Parse(args)
+	ctx, err := parser.Parse(os.Args[1:])
 	parser.FatalIfErrorf(err)
 	ctx.BindTo(l, (*logger.Logger)(nil)) // main logger available to subcommands
 	err = ctx.Run()
@@ -309,100 +287,12 @@ func (options serveOptions) Run() error {
 		}
 	}
 
-	if options.Version {
-		fmt.Println(build.LongVersion)
-		return nil
-	}
-
-	if options.Paths {
-		fmt.Print(locations.PrettyPaths())
-		return nil
-	}
-
-	if options.DeviceID {
-		cert, err := tls.LoadX509KeyPair(
-			locations.Get(locations.CertFile),
-			locations.Get(locations.KeyFile),
-		)
-		if err != nil {
-			l.Warnln("Error reading device ID:", err)
-			os.Exit(svcutil.ExitError.AsInt())
-		}
-
-		fmt.Println(protocol.NewDeviceID(cert.Certificate[0]))
-		return nil
-	}
-
-	if options.BrowserOnly {
-		if err := openGUI(); err != nil {
-			l.Warnln("Failed to open web UI:", err)
-			os.Exit(svcutil.ExitError.AsInt())
-		}
-		return nil
-	}
-
-	if options.GenerateDir != "" {
-		if err := generate.Generate(l, options.GenerateDir, "", "", options.NoDefaultFolder, options.SkipPortProbing); err != nil {
-			l.Warnln("Failed to generate config and keys:", err)
-			os.Exit(svcutil.ExitError.AsInt())
-		}
-		return nil
-	}
-
 	// Ensure that our home directory exists.
 	if err := syncthing.EnsureDir(locations.GetBaseDir(locations.ConfigBaseDir), 0o700); err != nil {
 		l.Warnln("Failure on home directory:", err)
 		os.Exit(svcutil.ExitError.AsInt())
 	}
 
-	if options.UpgradeTo != "" {
-		err := upgrade.ToURL(options.UpgradeTo)
-		if err != nil {
-			l.Warnln("Error while Upgrading:", err)
-			os.Exit(svcutil.ExitError.AsInt())
-		}
-		l.Infoln("Upgraded from", options.UpgradeTo)
-		return nil
-	}
-
-	if options.UpgradeCheck {
-		if _, err := checkUpgrade(); err != nil {
-			l.Warnln("Checking for upgrade:", err)
-			os.Exit(exitCodeForUpgrade(err))
-		}
-		return nil
-	}
-
-	if options.Upgrade {
-		release, err := checkUpgrade()
-		if err == nil {
-			// Use leveldb database locks to protect against concurrent upgrades
-			var ldb backend.Backend
-			ldb, err = syncthing.OpenDBBackend(locations.Get(locations.Database), config.TuningAuto)
-			if err != nil {
-				err = upgradeViaRest()
-			} else {
-				_ = ldb.Close()
-				err = upgrade.To(release)
-			}
-		}
-		if err != nil {
-			l.Warnln("Upgrade:", err)
-			os.Exit(exitCodeForUpgrade(err))
-		}
-		l.Infof("Upgraded to %q", release.Tag)
-		os.Exit(svcutil.ExitUpgrade.AsInt())
-	}
-
-	if options.DebugResetDatabase {
-		if err := resetDB(); err != nil {
-			l.Warnln("Resetting database:", err)
-			os.Exit(svcutil.ExitError.AsInt())
-		}
-		l.Infoln("Successfully reset database - it will be rebuilt after next start.")
-		return nil
-	}
-
 	if options.InternalInnerProcess {
 		syncthingMain(options)
 	} else {
@@ -544,6 +434,17 @@ func syncthingMain(options serveOptions) {
 		os.Exit(1)
 	}
 
+	// Ensure we are the only running instance
+	lf := flock.New(locations.Get(locations.CertFile))
+	locked, err := lf.TryLock()
+	if err != nil {
+		l.Warnln("Failed to acquire lock:", err)
+		os.Exit(1)
+	} else if !locked {
+		l.Warnln("Failed to acquire lock: is another Syncthing instance already running?")
+		os.Exit(1)
+	}
+
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
@@ -556,7 +457,7 @@ func syncthingMain(options serveOptions) {
 	evLogger := events.NewLogger()
 	earlyService.Add(evLogger)
 
-	cfgWrapper, err := syncthing.LoadConfigAtStartup(locations.Get(locations.ConfigFile), cert, evLogger, options.AllowNewerConfig, options.NoDefaultFolder, options.SkipPortProbing)
+	cfgWrapper, err := syncthing.LoadConfigAtStartup(locations.Get(locations.ConfigFile), cert, evLogger, options.AllowNewerConfig, options.NoDefaultFolder, options.NoPortProbing)
 	if err != nil {
 		l.Warnln("Failed to initialize config:", err)
 		os.Exit(svcutil.ExitError.AsInt())
@@ -580,8 +481,12 @@ func syncthingMain(options serveOptions) {
 		})
 	}
 
-	dbFile := locations.Get(locations.Database)
-	ldb, err := syncthing.OpenDBBackend(dbFile, cfgWrapper.Options().DatabaseTuning)
+	if err := syncthing.TryMigrateDatabase(); err != nil {
+		l.Warnln("Failed to migrate old-style database:", err)
+		os.Exit(1)
+	}
+
+	sdb, err := syncthing.OpenDatabase(locations.Get(locations.Database))
 	if err != nil {
 		l.Warnln("Error opening database:", err)
 		os.Exit(1)
@@ -590,11 +495,11 @@ func syncthingMain(options serveOptions) {
 	// Check if auto-upgrades is possible, and if yes, and it's enabled do an initial
 	// upgrade immediately. The auto-upgrade routine can only be started
 	// later after App is initialised.
-
 	autoUpgradePossible := autoUpgradePossible(options)
 	if autoUpgradePossible && cfgWrapper.Options().AutoUpgradeEnabled() {
 		// try to do upgrade directly and log the error if relevant.
-		release, err := initialAutoUpgradeCheck(db.NewMiscDataNamespace(ldb))
+		miscDB := db.NewMiscDB(sdb)
+		release, err := initialAutoUpgradeCheck(miscDB)
 		if err == nil {
 			err = upgrade.To(release)
 		}
@@ -605,7 +510,7 @@ func syncthingMain(options serveOptions) {
 				l.Infoln("Initial automatic upgrade:", err)
 			}
 		} else {
-			l.Infof("Upgraded to %q, exiting now.", release.Tag)
+			l.Infof("Upgraded to %q, should exit now.", release.Tag)
 			os.Exit(svcutil.ExitUpgrade.AsInt())
 		}
 	}
@@ -617,24 +522,17 @@ func syncthingMain(options serveOptions) {
 	}
 
 	appOpts := syncthing.Options{
-		NoUpgrade:            options.NoUpgrade,
-		ProfilerAddr:         options.DebugProfilerListen,
-		ResetDeltaIdxs:       options.DebugResetDeltaIdxs,
-		Verbose:              options.Verbose,
-		DBRecheckInterval:    options.DebugDBRecheckInterval,
-		DBIndirectGCInterval: options.DebugDBIndirectGCInterval,
+		NoUpgrade:             options.NoUpgrade,
+		ProfilerAddr:          options.DebugProfilerListen,
+		ResetDeltaIdxs:        options.DebugResetDeltaIdxs,
+		Verbose:               options.Verbose,
+		DBMaintenanceInterval: options.DBMaintenanceInterval,
 	}
 	if options.Audit {
 		appOpts.AuditWriter = auditWriter(options.AuditFile)
 	}
-	if dur, err := time.ParseDuration(os.Getenv("STRECHECKDBEVERY")); err == nil {
-		appOpts.DBRecheckInterval = dur
-	}
-	if dur, err := time.ParseDuration(os.Getenv("STGCINDIRECTEVERY")); err == nil {
-		appOpts.DBIndirectGCInterval = dur
-	}
 
-	app, err := syncthing.New(cfgWrapper, ldb, evLogger, cert, appOpts)
+	app, err := syncthing.New(cfgWrapper, sdb, evLogger, cert, appOpts)
 	if err != nil {
 		l.Warnln("Failed to start Syncthing:", err)
 		os.Exit(svcutil.ExitError.AsInt())
@@ -680,6 +578,7 @@ func syncthingMain(options serveOptions) {
 		pprof.StopCPUProfile()
 	}
 
+	runtime.KeepAlive(lf) // ensure lock is still held to this point
 	os.Exit(int(status))
 }
 
@@ -821,7 +720,7 @@ func autoUpgrade(cfg config.Wrapper, app *syncthing.App, evLogger events.Logger)
 	}
 }
 
-func initialAutoUpgradeCheck(misc *db.NamespacedKV) (upgrade.Release, error) {
+func initialAutoUpgradeCheck(misc *db.Typed) (upgrade.Release, error) {
 	if last, ok, err := misc.Time(upgradeCheckKey); err == nil && ok && time.Since(last) < upgradeCheckInterval {
 		return upgrade.Release{}, errTooEarlyUpgradeCheck
 	}
@@ -830,6 +729,10 @@ func initialAutoUpgradeCheck(misc *db.NamespacedKV) (upgrade.Release, error) {
 	if err != nil {
 		return upgrade.Release{}, err
 	}
+	if upgrade.CompareVersions(release.Tag, build.Version) == upgrade.MajorNewer {
+		return upgrade.Release{}, errors.New("higher major version")
+	}
+
 	if lastVersion, ok, err := misc.String(upgradeVersionKey); err == nil && ok && lastVersion == release.Tag {
 		// Only check time if we try to upgrade to the same release.
 		if lastTime, ok, err := misc.Time(upgradeTimeKey); err == nil && ok && time.Since(lastTime) < upgradeRetryInterval {
@@ -924,3 +827,104 @@ func convertLegacyArgs(args []string) []string {
 
 	return res
 }
+
+type versionCmd struct{}
+
+func (versionCmd) Run() error {
+	fmt.Println(build.LongVersion)
+	return nil
+}
+
+type deviceIDCmd struct{}
+
+func (deviceIDCmd) Run() error {
+	cert, err := tls.LoadX509KeyPair(
+		locations.Get(locations.CertFile),
+		locations.Get(locations.KeyFile),
+	)
+	if err != nil {
+		l.Warnln("Error reading device ID:", err)
+		os.Exit(svcutil.ExitError.AsInt())
+	}
+
+	fmt.Println(protocol.NewDeviceID(cert.Certificate[0]))
+	return nil
+}
+
+type pathsCmd struct{}
+
+func (pathsCmd) Run() error {
+	fmt.Print(locations.PrettyPaths())
+	return nil
+}
+
+type upgradeCmd struct {
+	CheckOnly bool   `short:"c" help:"Check for available upgrade, then exit"`
+	From      string `short:"u" placeholder:"URL" help:"Force upgrade directly from specified URL"`
+}
+
+func (u upgradeCmd) Run() error {
+	if u.CheckOnly {
+		if _, err := checkUpgrade(); err != nil {
+			l.Warnln("Checking for upgrade:", err)
+			os.Exit(exitCodeForUpgrade(err))
+		}
+		return nil
+	}
+
+	if u.From != "" {
+		err := upgrade.ToURL(u.From)
+		if err != nil {
+			l.Warnln("Error while Upgrading:", err)
+			os.Exit(svcutil.ExitError.AsInt())
+		}
+		l.Infoln("Upgraded from", u.From)
+		return nil
+	}
+
+	release, err := checkUpgrade()
+	if err == nil {
+		lf := flock.New(locations.Get(locations.CertFile))
+		locked, err := lf.TryLock()
+		if err != nil {
+			l.Warnln("Upgrade:", err)
+			os.Exit(1)
+		} else if locked {
+			err = upgradeViaRest()
+		} else {
+			err = upgrade.To(release)
+		}
+	}
+	if err != nil {
+		l.Warnln("Upgrade:", err)
+		os.Exit(exitCodeForUpgrade(err))
+	}
+	l.Infof("Upgraded to %q", release.Tag)
+	os.Exit(svcutil.ExitUpgrade.AsInt())
+	return nil
+}
+
+type browserCmd struct{}
+
+func (browserCmd) Run() error {
+	if err := openGUI(); err != nil {
+		l.Warnln("Failed to open web UI:", err)
+		os.Exit(svcutil.ExitError.AsInt())
+	}
+	return nil
+}
+
+type debugCmd struct {
+	ResetDatabase resetDatabaseCmd `cmd:"" help:"Reset the database, forcing a full rescan and resync"`
+}
+
+type resetDatabaseCmd struct{}
+
+func (resetDatabaseCmd) Run() error {
+	if err := resetDB(); err != nil {
+		l.Warnln("Resetting database:", err)
+		os.Exit(svcutil.ExitError.AsInt())
+	}
+	l.Infoln("Successfully reset database - it will be rebuilt after next start.")
+	return nil
+}

compat.yaml

@@ -26,3 +26,9 @@
     darwin: "20"
     linux: "2.6.32"
     windows: "10.0"
+
+- runtime: go1.24
+  requirements:
+    darwin: "20"
+    linux: "3.2"
+    windows: "10.0"

etc/linux-desktop/syncthing-start.desktop

@@ -2,7 +2,7 @@
 Name=Start Syncthing
 GenericName=File synchronization
 Comment=Starts the main syncthing process in the background.
-Exec=/usr/bin/syncthing serve --no-browser --logfile=default
+Exec=syncthing serve --no-browser --logfile=default
 Icon=syncthing
 Terminal=false
 Type=Application

etc/linux-desktop/syncthing-ui.desktop

@@ -2,7 +2,7 @@
 Name=Syncthing Web UI
 GenericName=File synchronization UI
 Comment=Opens Syncthing's Web UI in the default browser (Syncthing must already be started).
-Exec=/usr/bin/syncthing --browser-only
+Exec=syncthing --browser-only
 Icon=syncthing
 Terminal=false
 Type=Application

go.mod

@@ -1,52 +1,53 @@
 module github.com/syncthing/syncthing
 
-go 1.22.0
+go 1.23.0
 
 require (
 	github.com/AudriusButkevicius/recli v0.0.7-0.20220911121932-d000ce8fbf0f
-	github.com/alecthomas/kong v1.2.1
-	github.com/aws/aws-sdk-go v1.55.5
+	github.com/alecthomas/kong v1.9.0
+	github.com/aws/aws-sdk-go v1.55.6
 	github.com/calmh/incontainer v1.0.0
 	github.com/calmh/xdr v1.2.0
 	github.com/ccding/go-stun v0.1.5
-	github.com/chmduquesne/rollinghash v4.0.0+incompatible
 	github.com/d4l3k/messagediff v1.2.1
 	github.com/getsentry/raven-go v0.2.0
-	github.com/go-ldap/ldap/v3 v3.4.8
+	github.com/go-ldap/ldap/v3 v3.4.10
 	github.com/gobwas/glob v0.2.3
-	github.com/gogo/protobuf v1.3.2
-	github.com/greatroar/blobloom v0.8.0
+	github.com/gofrs/flock v0.12.1
 	github.com/hashicorp/golang-lru/v2 v2.0.7
-	github.com/jackpal/gateway v1.0.15
+	github.com/jackpal/gateway v1.0.16
 	github.com/jackpal/go-nat-pmp v1.0.2
+	github.com/jmoiron/sqlx v1.4.0
 	github.com/julienschmidt/httprouter v1.3.0
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
-	github.com/maruel/panicparse/v2 v2.3.1
-	github.com/maxbrunsfeld/counterfeiter/v6 v6.8.1
+	github.com/maruel/panicparse/v2 v2.4.0
+	github.com/mattn/go-sqlite3 v1.14.24
+	github.com/maxbrunsfeld/counterfeiter/v6 v6.11.2
 	github.com/maxmind/geoipupdate/v6 v6.1.0
 	github.com/miscreant/miscreant.go v0.0.0-20200214223636-26d376326b75
 	github.com/oschwald/geoip2-golang v1.11.0
-	github.com/pierrec/lz4/v4 v4.1.21
-	github.com/prometheus/client_golang v1.20.5
-	github.com/puzpuzpuz/xsync/v3 v3.4.0
-	github.com/quic-go/quic-go v0.48.0
+	github.com/pierrec/lz4/v4 v4.1.22
+	github.com/prometheus/client_golang v1.21.1
+	github.com/puzpuzpuz/xsync/v3 v3.5.1
+	github.com/quic-go/quic-go v0.50.0
 	github.com/rabbitmq/amqp091-go v1.10.0
 	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475
-	github.com/shirou/gopsutil/v4 v4.24.9
-	github.com/syncthing/notify v0.0.0-20210616190510-c6b7342338d2
+	github.com/shirou/gopsutil/v4 v4.25.2
+	github.com/syncthing/notify v0.0.0-20250207082249-f0fa8f99c2bc
 	github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d
-	github.com/thejerf/suture/v4 v4.0.5
+	github.com/thejerf/suture/v4 v4.0.6
 	github.com/urfave/cli v1.22.16
 	github.com/vitrun/qart v0.0.0-20160531060029-bf64b92db6b0
 	github.com/willabides/kongplete v0.4.0
 	go.uber.org/automaxprocs v1.6.0
-	golang.org/x/crypto v0.28.0
-	golang.org/x/net v0.30.0
-	golang.org/x/sys v0.26.0
-	golang.org/x/text v0.19.0
-	golang.org/x/time v0.7.0
-	golang.org/x/tools v0.26.0
-	google.golang.org/protobuf v1.35.1
+	golang.org/x/crypto v0.36.0
+	golang.org/x/net v0.37.0
+	golang.org/x/sys v0.31.0
+	golang.org/x/text v0.23.0
+	golang.org/x/time v0.11.0
+	golang.org/x/tools v0.31.0
+	google.golang.org/protobuf v1.36.5
+	modernc.org/sqlite v1.36.0
 	sigs.k8s.io/yaml v1.4.0
 )
 
@@ -58,12 +59,12 @@ require (
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.5 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/ebitengine/purego v0.8.0 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/ebitengine/purego v0.8.2 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/go-asn1-ber/asn1-ber v1.5.7 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
-	github.com/gofrs/flock v0.12.1 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/pprof v0.0.0-20241009165004-a3522334989c // indirect
 	github.com/google/uuid v1.6.0 // indirect
@@ -72,7 +73,9 @@ require (
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/klauspost/compress v1.17.11 // indirect
 	github.com/lufia/plan9stats v0.0.0-20240909124753-873cd0166683 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/nxadm/tail v1.4.11 // indirect
 	github.com/onsi/ginkgo/v2 v2.20.2 // indirect
 	github.com/oschwald/maxminddb-golang v1.13.1 // indirect
@@ -81,20 +84,24 @@ require (
 	github.com/posener/complete v1.2.3 // indirect
 	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.60.0 // indirect
+	github.com/prometheus/common v0.62.0 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/riywo/loginshell v0.0.0-20200815045211-7d26008be1ab // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
-	github.com/stretchr/testify v1.9.0 // indirect
+	github.com/stretchr/testify v1.10.0 // indirect
 	github.com/tklauser/go-sysconf v0.3.14 // indirect
 	github.com/tklauser/numcpus v0.9.0 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
-	go.uber.org/mock v0.4.0 // indirect
+	go.uber.org/mock v0.5.0 // indirect
 	golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c // indirect
-	golang.org/x/mod v0.21.0 // indirect
-	golang.org/x/sync v0.8.0 // indirect
+	golang.org/x/mod v0.24.0 // indirect
+	golang.org/x/sync v0.12.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	modernc.org/libc v1.61.13 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.8.2 // indirect
 )
 
 // https://github.com/gobwas/glob/pull/55

go.sum

@@ -1,18 +1,20 @@
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 github.com/AudriusButkevicius/recli v0.0.7-0.20220911121932-d000ce8fbf0f h1:GmH5lT+moM7PbAJFBq57nH9WJ+wRnBXr/tyaYWbSAx8=
 github.com/AudriusButkevicius/recli v0.0.7-0.20220911121932-d000ce8fbf0f/go.mod h1:Nhfib1j/VFnLrXL9cHgA+/n2O6P5THuWelOnbfPNd78=
 github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 h1:mFRzDkZVAjdal+s7s0MwaRv9igoPqLRdzOLzw/8Xvq8=
 github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358/go.mod h1:chxPXzSsl7ZWRAuOIE23GDNzjWuZquvFlgA8xmpunjU=
 github.com/BurntSushi/toml v1.4.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
-github.com/alecthomas/assert/v2 v2.10.0 h1:jjRCHsj6hBJhkmhznrCzoNpbA3zqy0fYiUcYZP/GkPY=
-github.com/alecthomas/assert/v2 v2.10.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
-github.com/alecthomas/kong v1.2.1 h1:E8jH4Tsgv6wCRX2nGrdPyHDUCSG83WH2qE4XLACD33Q=
-github.com/alecthomas/kong v1.2.1/go.mod h1:rKTSFhbdp3Ryefn8x5MOEprnRFQ7nlmMC01GKhehhBM=
+github.com/alecthomas/assert/v2 v2.11.0 h1:2Q9r3ki8+JYXvGsDyBXwH3LcJ+WK5D0gc5E8vS6K3D0=
+github.com/alecthomas/assert/v2 v2.11.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
+github.com/alecthomas/kong v1.9.0 h1:Wgg0ll5Ys7xDnpgYBuBn/wPeLGAuK0NvYmEcisJgrIs=
+github.com/alecthomas/kong v1.9.0/go.mod h1:p2vqieVMeTAnaC83txKtXe8FLke2X07aruPWXyMPQrU=
 github.com/alecthomas/repr v0.4.0 h1:GhI2A8MACjfegCPVq9f1FLvIBS+DrQ2KQBFZP1iFzXc=
 github.com/alecthomas/repr v0.4.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa h1:LHTHcTQiSGT7VVbI0o4wBRNQIgn917usHWOd6VAffYI=
 github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4=
-github.com/aws/aws-sdk-go v1.55.5 h1:KKUZBfBoyqy5d3swXyiC7Q76ic40rYcbqH7qjh59kzU=
-github.com/aws/aws-sdk-go v1.55.5/go.mod h1:eRwEWoyTWFMVYVQzKMNHWP5/RV4xIUGMQfXQHfHkpNU=
+github.com/aws/aws-sdk-go v1.55.6 h1:cSg4pvZ3m8dgYcgqB97MrcdjUmZ1BeMYKUxMMB89IPk=
+github.com/aws/aws-sdk-go v1.55.6/go.mod h1:eRwEWoyTWFMVYVQzKMNHWP5/RV4xIUGMQfXQHfHkpNU=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/calmh/glob v0.0.0-20220615080505-1d823af5017b h1:Fjm4GuJ+TGMgqfGHN42IQArJb77CfD/mAwLbDUoJe6g=
@@ -29,8 +31,6 @@ github.com/certifi/gocertifi v0.0.0-20210507211836-431795d63e8d h1:S2NE3iHSwP0XV
 github.com/certifi/gocertifi v0.0.0-20210507211836-431795d63e8d/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/chmduquesne/rollinghash v4.0.0+incompatible h1:hnREQO+DXjqIw3rUTzWN7/+Dpw+N5Um8zpKV0JOEgbo=
-github.com/chmduquesne/rollinghash v4.0.0+incompatible/go.mod h1:Uc2I36RRfTAf7Dge82bi3RU0OQUmXT9iweIcPqvr8A0=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -41,8 +41,10 @@ github.com/d4l3k/messagediff v1.2.1/go.mod h1:Oozbb1TVXFac9FtSIxHBMnBCq2qeH/2KkE
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/ebitengine/purego v0.8.0 h1:JbqvnEzRvPpxhCJzJJ2y0RbiZ8nyjccVUrSM3q+GvvE=
-github.com/ebitengine/purego v0.8.0/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/ebitengine/purego v0.8.2 h1:jPPGWs2sZ1UgOSgD2bClL0MJIqu58nOmIcBuXr62z1I=
+github.com/ebitengine/purego v0.8.2/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/fsnotify/fsnotify v1.5.4/go.mod h1:OVB6XrOHzAwXMpEM7uPOzcehqUV2UqJxmVXmkdnm1bU=
@@ -51,23 +53,22 @@ github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nos
 github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
 github.com/getsentry/raven-go v0.2.0 h1:no+xWJRb5ZI7eE8TWgIq1jLulQiIoLG0IfYxv5JYMGs=
 github.com/getsentry/raven-go v0.2.0/go.mod h1:KungGk8q33+aIAZUIVWZDr2OfAEBsO49PX4NzFV5kcQ=
-github.com/go-asn1-ber/asn1-ber v1.5.5/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=
 github.com/go-asn1-ber/asn1-ber v1.5.7 h1:DTX+lbVTWaTw1hQ+PbZPlnDZPEIs0SS/GCZAl535dDk=
 github.com/go-asn1-ber/asn1-ber v1.5.7/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=
-github.com/go-ldap/ldap/v3 v3.4.8 h1:loKJyspcRezt2Q3ZRMq2p/0v8iOurlmeXDPw6fikSvQ=
-github.com/go-ldap/ldap/v3 v3.4.8/go.mod h1:qS3Sjlu76eHfHGpUdWkAXQTw4beih+cHsco2jXlIXrk=
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@@ -83,10 +84,10 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
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@@ -94,8 +95,6 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
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@@ -111,8 +110,8 @@ github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUq
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@@ -131,12 +130,12 @@ github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9Y
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@@ -195,22 +200,24 @@ github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 h1:o4JXh1EVt
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@@ -219,8 +226,8 @@ github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf
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@@ -233,14 +240,15 @@ github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1F
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@@ -252,7 +260,6 @@ github.com/vitrun/qart v0.0.0-20160531060029-bf64b92db6b0 h1:okhMind4q9H1OxF44gN
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@@ -261,30 +268,33 @@ go.uber.org/automaxprocs v1.6.0 h1:O3y2/QNTOdbF+e/dpXNNW7Rx2hZ4sTIPyybbxyNqTUs=
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@@ -295,18 +305,23 @@ golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug
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 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -323,47 +338,53 @@ golang.org/x/sys v0.0.0-20201204225414-ed752295db88/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220408201424-a24fb2fb8a0f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
-golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
+golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
+golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
 golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
-golang.org/x/term v0.18.0/go.mod h1:ILwASektA3OnRv7amZ1xhE/KTR+u50pbXfZ03+6Nx58=
+golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
+golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
-golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
-golang.org/x/time v0.7.0 h1:ntUhktv3OPE6TgYxXWv9vKvUSJyIFJlyohwbkEwPrKQ=
-golang.org/x/time v0.7.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
+golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
+golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
+golang.org/x/time v0.11.0 h1:/bpjEDfN9tkoN/ryeYHnv5hcMlc8ncjMcM4XBk5NWV0=
+golang.org/x/time v0.11.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.26.0 h1:v/60pFQmzmT9ExmjDv2gGIfi3OqfKoEP6I5+umXlbnQ=
-golang.org/x/tools v0.26.0/go.mod h1:TPVVj70c7JJ3WCazhD8OdXcZg/og+b9+tH/KxylGwH0=
+golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
+golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
+golang.org/x/tools v0.31.0 h1:0EedkvKDbh+qistFTd0Bcwe/YLh4vHwWEkiI0toFIBU=
+golang.org/x/tools v0.31.0/go.mod h1:naFTU+Cev749tSJRXJlna0T3WxKvb1kWEx15xA4SdmQ=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -377,8 +398,8 @@ google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzi
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA=
-google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
+google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
@@ -394,5 +415,29 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+modernc.org/cc/v4 v4.24.4 h1:TFkx1s6dCkQpd6dKurBNmpo+G8Zl4Sq/ztJ+2+DEsh0=
+modernc.org/cc/v4 v4.24.4/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
+modernc.org/ccgo/v4 v4.23.16 h1:Z2N+kk38b7SfySC1ZkpGLN2vthNJP1+ZzGZIlH7uBxo=
+modernc.org/ccgo/v4 v4.23.16/go.mod h1:nNma8goMTY7aQZQNTyN9AIoJfxav4nvTnvKThAeMDdo=
+modernc.org/fileutil v1.3.0 h1:gQ5SIzK3H9kdfai/5x41oQiKValumqNTDXMvKo62HvE=
+modernc.org/fileutil v1.3.0/go.mod h1:XatxS8fZi3pS8/hKG2GH/ArUogfxjpEKs3Ku3aK4JyQ=
+modernc.org/gc/v2 v2.6.3 h1:aJVhcqAte49LF+mGveZ5KPlsp4tdGdAOT4sipJXADjw=
+modernc.org/gc/v2 v2.6.3/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
+modernc.org/libc v1.61.13 h1:3LRd6ZO1ezsFiX1y+bHd1ipyEHIJKvuprv0sLTBwLW8=
+modernc.org/libc v1.61.13/go.mod h1:8F/uJWL/3nNil0Lgt1Dpz+GgkApWh04N3el3hxJcA6E=
+modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
+modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
+modernc.org/memory v1.8.2 h1:cL9L4bcoAObu4NkxOlKWBWtNHIsnnACGF/TbqQ6sbcI=
+modernc.org/memory v1.8.2/go.mod h1:ZbjSvMO5NQ1A2i3bWeDiVMxIorXwdClKE/0SZ+BMotU=
+modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8=
+modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
+modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
+modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
+modernc.org/sqlite v1.36.0 h1:EQXNRn4nIS+gfsKeUTymHIz1waxuv5BzU7558dHSfH8=
+modernc.org/sqlite v1.36.0/go.mod h1:7MPwH7Z6bREicF9ZVUR78P1IKuxfZ8mRIDHD0iD+8TU=
+modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
+modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
+modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
+modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
 sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E=
 sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY=

gui/default/assets/lang/lang-bg.json

@@ -27,6 +27,7 @@
     "Allowed Networks": "Разрешени мрежи",
     "Alphabetic": "Азбучен ред",
     "Altered by ignoring deletes.": "Промяна чрез пренебрегване на премахваните елементи.",
+    "Always turned on when the folder type is \"{%foldertype%}\".": "Винаги включено, когато вида на папката е „{{foldertype}}“.",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "Външна команда управлява версиите. Тя трябва да премахне файла от синхронизираната папка. Ако в пътя до приложението има интервали, то той трябва да бъде поставен в кавички.",
     "Anonymous Usage Reporting": "Анонимно отчитане на употреба",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "Форматът на данните за анонимно отчитане на употреба е променен. Желаете ли да използвате него вместо стария?",
@@ -52,6 +53,7 @@
     "Body:": "Съдържание:",
     "Bugs": "Дефекти",
     "Cancel": "Отказ",
+    "Cannot be enabled when the folder type is \"{%foldertype%}\".": "Не мож да бъде включено, ако вида на папката е „{{foldertype}}“.",
     "Changelog": "Дневник на промените",
     "Clean out after": "Почистване след",
     "Cleaning Versions": "Почистване на версии",

gui/default/assets/lang/lang-de.json

@@ -27,6 +27,7 @@
     "Allowed Networks": "Erlaubte Netzwerke",
     "Alphabetic": "Alphabetisch",
     "Altered by ignoring deletes.": "Weicht ab, weil Löschungen ignoriert werden.",
+    "Always turned on when the folder type is \"{%foldertype%}\".": "Immer eingeschaltet, wenn der Ordnertyp „{{foldertype}}“ ist.",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "Die Versionierung erfolgt über einen externen Befehl. Er muss die Datei aus dem geteilten Ordner entfernen. Wenn der Pfad zur Anwendung Leerzeichen enthält, sollte er in Anführungszeichen gesetzt werden.",
     "Anonymous Usage Reporting": "Anonymer Nutzungsbericht",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "Das Format des anonymen Nutzungsberichts hat sich geändert. Möchten Sie auf das neue Format umsteigen?",
@@ -52,6 +53,7 @@
     "Body:": "Nachrichtentext:",
     "Bugs": "Fehler",
     "Cancel": "Abbrechen",
+    "Cannot be enabled when the folder type is \"{%foldertype%}\".": "Kann nicht aktiviert werden, wenn der Ordnertyp „{{foldertype}}“ ist.",
     "Changelog": "Änderungsprotokoll",
     "Clean out after": "Löschen nach",
     "Cleaning Versions": "Versionen bereinigen",
@@ -64,7 +66,7 @@
     "Configuration Directory": "Konfigurationsverzeichnis",
     "Configuration File": "Konfigurationsdatei",
     "Configured": "Konfiguriert",
-    "Connected (Unused)": "Verbunden (Nicht genutzt)",
+    "Connected (Unused)": "Verbunden (nicht genutzt)",
     "Connection Error": "Verbindungsfehler",
     "Connection Management": "Verbindungsverwaltung",
     "Connection Type": "Verbindungstyp",
@@ -95,7 +97,7 @@
     "Deselect folders to stop sharing with this device.": "Ordner abwählen, um sie nicht mehr für mit diesem Gerät zu teilen.",
     "Device": "Gerät",
     "Device \"{%name%}\" ({%device%} at {%address%}) wants to connect. Add new device?": "Gerät „{{name}}“ ({{device}} {{address}}) möchte sich verbinden. Gerät hinzufügen?",
-    "Device Certificate": "Geräte-Zertifikat",
+    "Device Certificate": "Gerätezertifikat",
     "Device ID": "Gerätekennung",
     "Device Identification": "Geräteidentifikation",
     "Device Name": "Gerätename",
@@ -112,8 +114,8 @@
     "Disables comparing and syncing file permissions. Useful on systems with nonexistent or custom permissions (e.g. FAT, exFAT, Synology, Android).": "Deaktiviert Vergleich und Synchronisierung der Dateiberechtigungen. Dies ist hilfreich für Dateisysteme ohne konfigurierbare Berechtigungsparameter (z. B. FAT, exFAT, Synology, Android).",
     "Discard": "Verwerfen",
     "Disconnected": "Getrennt",
-    "Disconnected (Inactive)": "Getrennt (Inaktiv)",
-    "Disconnected (Unused)": "Getrennt (Nicht genutzt)",
+    "Disconnected (Inactive)": "Getrennt (inaktiv)",
+    "Disconnected (Unused)": "Getrennt (nicht genutzt)",
     "Discovered": "Ermittelt",
     "Discovery": "Gerätesuche",
     "Discovery Failures": "Gerätesuchfehler",
@@ -132,7 +134,7 @@
     "Edit Device Defaults": "Gerätevorgaben bearbeiten",
     "Edit Folder": "Ordner bearbeiten",
     "Edit Folder Defaults": "Ordnervorgaben bearbeiten",
-    "Editing {%path%}.": "Bearbeite {{path}}.",
+    "Editing {%path%}.": "Bearbeiten von {{path}}.",
     "Enable Crash Reporting": "Absturzmeldung aktivieren",
     "Enable NAT traversal": "NAT-Durchdringung aktivieren",
     "Enable Relaying": "Weiterleitung aktivieren",
@@ -142,7 +144,7 @@
     "Enables sending ownership information to other devices, and applying incoming ownership information. Typically requires running with elevated privileges.": "Bewirkt das Senden der Besitzinformation an andere Geräte und das Anwenden empfangener Besitzinformation. Erfordert üblicherweise die Ausführung mit höheren Zugriffsrechten.",
     "Enables sending ownership information to other devices, but not applying incoming ownership information. This can have a significant performance impact. Always enabled when \"Sync Ownership\" is enabled.": "Bewirkt das Senden von Besitzinformation an andere Geräte, jedoch ohne empfangene Besitzinformation anzuwenden. Kann zu einem merklichen Leistungseinbruch führen. Immer aktiviert, wenn „Besitzinformation synchronisieren“ eingeschaltet ist.",
     "Enter a non-negative number (e.g., \"2.35\") and select a unit. Percentages are as part of the total disk size.": "Geben Sie eine positive Zahl ein (z. B. „2.35“) und wählen Sie eine Einheit. Prozentsätze sind Teil der gesamten Festplattengröße.",
-    "Enter a non-privileged port number (1024 - 65535).": "Geben Sie eine nichtprivilegierte Portnummer ein (1024 - 65535).",
+    "Enter a non-privileged port number (1024 - 65535).": "Geben Sie eine nicht privilegierte Portnummer ein (1024 - 65535).",
     "Enter comma separated (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "Kommagetrennte Adressen („tcp://ip:port“, „tcp://host:port“) oder „dynamic“ eingeben, um die Adresse automatisch zu ermitteln.",
     "Enter ignore patterns, one per line.": "Geben Sie Ignoriermuster ein, eines pro Zeile.",
     "Enter up to three octal digits.": "Tragen Sie bis zu drei oktale Ziffern ein.",
@@ -158,13 +160,13 @@
     "Failure to connect to IPv6 servers is expected if there is no IPv6 connectivity.": "Ein Verbindungsfehler zu IPv6-Servern ist zu erwarten, wenn es keine IPv6-Konnektivität gibt.",
     "File Pull Order": "Dateiübertragungsreihenfolge",
     "File Versioning": "Dateiversionierung",
-    "Files are moved to .stversions directory when replaced or deleted by Syncthing.": "Dateien werden in den .stversions Ordner verschoben, wenn sie von Syncthing ersetzt oder gelöscht wurden.",
-    "Files are moved to date stamped versions in a .stversions directory when replaced or deleted by Syncthing.": "Dateien werden mit Datumsstempel versioniert und in den .stversions Ordner verschoben, wenn sie von Syncthing ersetzt oder gelöscht wurden.",
+    "Files are moved to .stversions directory when replaced or deleted by Syncthing.": "Dateien werden in den Ordner .stversions verschoben, wenn sie von Syncthing ersetzt oder gelöscht wurden.",
+    "Files are moved to date stamped versions in a .stversions directory when replaced or deleted by Syncthing.": "Dateien werden mit Datumsstempel versioniert und in den Ordner .stversions verschoben, wenn sie von Syncthing ersetzt oder gelöscht wurden.",
     "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "Dateien sind auf diesem Gerät schreibgeschützt. Auf diesem Gerät durchgeführte Veränderungen werden aber auf den Rest des Verbunds übertragen.",
     "Files are synchronized from the cluster, but any changes made locally will not be sent to other devices.": "Dateien werden vom Verbund synchronisiert, aber lokal vorgenommene Änderungen werden nicht an andere Geräte gesendet.",
     "Filesystem Watcher Errors": "Fehler im Dateisystembeobachter",
     "Filter by date": "Nach Datum sortieren",
-    "Filter by name": "Nach Name sortieren",
+    "Filter by name": "Nach Namen sortieren",
     "Folder": "Ordner",
     "Folder ID": "Ordnerkennung",
     "Folder Label": "Ordnerbezeichnung",
@@ -182,9 +184,9 @@
     "GUI Authentication Password": "Passwort für Zugang zur Benutzeroberfläche",
     "GUI Authentication User": "Benutzername für Zugang zur Benutzeroberfläche",
     "GUI Authentication: Set User and Password": "Authentifizierung für die Benutzeroberfläche: Geben Sie Benutzer und Passwort ein.",
-    "GUI Listen Address": "Addresse der Benutzeroberfläche",
+    "GUI Listen Address": "Adresse der Benutzeroberfläche",
     "GUI Override Directory": "GUI-Ersatz-Verzeichnis",
-    "GUI Theme": "GUI Design",
+    "GUI Theme": "GUI-Design",
     "General": "Allgemein",
     "Generate": "Generieren",
     "Global Discovery": "Globale Gerätesuche",
@@ -212,7 +214,7 @@
     "Introduced By": "Verteilt von",
     "Introducer": "Verteilergerät",
     "Introduction": "Einführung",
-    "Inversion of the given condition (i.e. do not exclude)": "Umkehrung der angegebenen Bedingung (d. h. schließe nicht aus)",
+    "Inversion of the given condition (i.e. do not exclude)": "Umkehrung der angegebenen Bedingung (d. h. nicht ausschließen)",
     "Keep Versions": "Versionen erhalten",
     "LDAP": "LDAP",
     "Largest First": "Größte zuerst",
@@ -223,7 +225,7 @@
     "Last seen": "Zuletzt online",
     "Latest Change": "Letzte Änderung",
     "Learn more": "Mehr erfahren",
-    "Learn more at {%url%}": "Erfahre mehr unter {{url}}",
+    "Learn more at {%url%}": "Erfahren Sie mehr unter {{url}}",
     "Limit": "Limit",
     "Listener Failures": "Fehler bei Listener",
     "Listener Status": "Status der Listener",
@@ -233,7 +235,7 @@
     "Local Additions": "Lokal hinzugefügte Elemente",
     "Local Discovery": "Lokale Gerätesuche",
     "Local State": "Lokaler Status",
-    "Local State (Total)": "Lokaler Status (Gesamt)",
+    "Local State (Total)": "Lokaler Status (gesamt)",
     "Locally Changed Items": "Lokal geänderte Elemente",
     "Log": "Protokoll",
     "Log File": "Protokolldatei",
@@ -283,23 +285,23 @@
     "Ownership": "Besitzinformation",
     "Password": "Passwort",
     "Path": "Pfad",
-    "Path to the folder on the local computer. Will be created if it does not exist. The tilde character (~) can be used as a shortcut for": "Pfad zum Ordner auf dem lokalen Gerät. Ordner wird erzeugt, wenn er nicht existiert. Das Tilden-Zeichen (~) kann als Abkürzung benutzt werden für",
-    "Path where versions should be stored (leave empty for the default .stversions directory in the shared folder).": "Pfad in dem Versionen gespeichert werden sollen (leer lassen, wenn der Standard .stversions Ordner für den geteilten Ordner verwendet werden soll).",
+    "Path to the folder on the local computer. Will be created if it does not exist. The tilde character (~) can be used as a shortcut for": "Pfad zum Ordner auf dem lokalen Gerät. Ordner wird erzeugt, wenn er nicht existiert. Das Tilde-Zeichen (~) kann als Abkürzung verwendet werden für",
+    "Path where versions should be stored (leave empty for the default .stversions directory in the shared folder).": "Pfad, in dem Versionen gespeichert werden sollen (leer lassen für den Standardordner .stversions im freigegebenen Ordner).",
     "Paths": "Pfade",
     "Pause": "Pause",
     "Pause All": "Alles pausieren",
     "Paused": "Pausiert",
-    "Paused (Unused)": "Pausiert (Nicht genutzt)",
+    "Paused (Unused)": "Pausiert (nicht genutzt)",
     "Pending changes": "Ausstehende Änderungen",
     "Periodic scanning at given interval and disabled watching for changes": "Periodischer Scan im angegebenen Intervall und Überwachung von Änderungen deaktiviert",
     "Periodic scanning at given interval and enabled watching for changes": "Periodischer Scan im angegebenen Intervall und Überwachung von Änderungen aktiviert",
     "Periodic scanning at given interval and failed setting up watching for changes, retrying every 1m:": "Periodischer Scan im angegebenen Intervall, Überwachung von Änderungen fehlgeschlagen, erneuter Versuch jede Minute:",
     "Permanently add it to the ignore list, suppressing further notifications.": "Permanent zur Ignorierliste hinzufügen, um weitere Benachrichtigungen zu unterdrücken.",
-    "Please consult the release notes before performing a major upgrade.": "Bitte lesen Sie die Veröffentlichungshinweise bevor Sie eine Hauptversionsaktualisierung installieren.",
-    "Please set a GUI Authentication User and Password in the Settings dialog.": "Bitte lege einen Benutzer und ein Passwort für die Benutzeroberfläche in den Einstellungen fest.",
+    "Please consult the release notes before performing a major upgrade.": "Bitte lesen Sie die Veröffentlichungshinweise, bevor Sie eine Hauptversionsaktualisierung installieren.",
+    "Please set a GUI Authentication User and Password in the Settings dialog.": "Bitte legen Sie in den Einstellungen einen Benutzer und ein Passwort für die Benutzeroberfläche fest.",
     "Please wait": "Bitte warten",
     "Prefix indicating that the file can be deleted if preventing directory removal": "Präfix, das anzeigt, dass die Datei gelöscht werden kann, wenn sie die Entfernung des Ordners verhindert",
-    "Prefix indicating that the pattern should be matched without case sensitivity": "Präfix, das anzeigt, dass das Muster ohne Beachtung der Groß- / Kleinschreibung übereinstimmen soll",
+    "Prefix indicating that the pattern should be matched without case sensitivity": "Präfix, das anzeigt, dass das Muster ohne Beachtung der Groß-/Kleinschreibung abgeglichen werden soll",
     "Preparing to Sync": "Vorbereiten auf die Synchronisation",
     "Preview": "Vorschau",
     "Preview Usage Report": "Vorschau des Nutzungsberichts",
@@ -308,7 +310,7 @@
     "QUIC WAN": "QUIC WAN",
     "Quick guide to supported patterns": "Schnellanleitung zu den unterstützten Mustern",
     "Random": "Zufall",
-    "Receive Encrypted": "Empfange verschlüsselt",
+    "Receive Encrypted": "Verschlüsselt empfangen",
     "Receive Only": "Nur empfangen",
     "Received data is already encrypted": "Empfangene Daten sind bereits verschlüsselt",
     "Recent Changes": "Letzte Änderungen",
@@ -362,20 +364,20 @@
     "Shared With": "Geteilt mit",
     "Sharing": "Teilen",
     "Show ID": "Eigene Kennung",
-    "Show QR": "Zeige QR Code",
+    "Show QR": "QR-Code anzeigen",
     "Show detailed discovery status": "Status der Gerätesuche anzeigen",
     "Show detailed listener status": "Detaillierten Listener-Status anzeigen",
     "Show diff with previous version": "Unterschied zur vorherigen Version anzeigen",
-    "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Wird anstatt der Gerätekennung im Verbund-Status angezeigt. Wird als optionaler Standardname an andere Geräte bekannt gegeben.",
-    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Wird auf diesem Gerät als Gerätename angezeigt und an die anderen Geräte im Geräte-Verbund weitergegeben. Wenn kein Gerätename angegeben wird, wird der Name des entfernten Gerätes genommen.",
+    "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Wird anstelle der Gerätekennung im Verbundstatus angezeigt. Wird anderen Geräten als optionaler Standardname bekannt gegeben.",
+    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Wird anstelle der Gerätekennung im Verbundstatus angezeigt. Wird auf den Namen aktualisiert, den das Gerät anzeigt, wenn er leer bleibt.",
     "Shutdown": "Herunterfahren",
-    "Shutdown Complete": "Vollständig Heruntergefahren",
+    "Shutdown Complete": "Vollständig heruntergefahren",
     "Simple": "Einfach",
     "Simple File Versioning": "Einfache Dateiversionierung",
     "Single level wildcard (matches within a directory only)": "Einzelnes Maskenzeichen (wird für einen einzelnen Ordner verwendet)",
     "Size": "Größe",
     "Smallest First": "Kleinstes zuerst",
-    "Some discovery methods could not be established for finding other devices or announcing this device:": "Zum Auffinden anderer Geräte, oder um dieses Gerät anzukündigen, konnten manche Methoden nicht eingerichtet werden:",
+    "Some discovery methods could not be established for finding other devices or announcing this device:": "Einige Erkennungsmethoden zum Auffinden anderer Geräte oder zur Meldung dieses Geräts konnten nicht eingerichtet werden:",
     "Some items could not be restored:": "Einige Elemente konnten nicht wiederhergestellt werden:",
     "Some listening addresses could not be enabled to accept connections:": "An manchen Netzwerkadressen kann nicht gelauscht werden, um Verbindungen anzunehmen:",
     "Source Code": "Quellcode",
@@ -388,7 +390,7 @@
     "Statistics": "Statistiken",
     "Stay logged in": "Angemeldet bleiben",
     "Stopped": "Gestoppt",
-    "Stores and syncs only encrypted data. Folders on all connected devices need to be set up with the same password or be of type \"{%receiveEncrypted%}\" too.": "Speichert und synchronisiert nur verschlüsselte Daten. Ordner auf allen verbundenen Geräten müssen mit dem selben Passwort eingerichtet werden oder vom Typ „{{receiveEncrypted}}“ sein.",
+    "Stores and syncs only encrypted data. Folders on all connected devices need to be set up with the same password or be of type \"{%receiveEncrypted%}\" too.": "Speichert und synchronisiert nur verschlüsselte Daten. Ordner auf allen verbundenen Geräten müssen mit demselben Passwort eingerichtet werden oder vom Typ „{{receiveEncrypted}}“ sein.",
     "Subject:": "Betreff:",
     "Support": "Support",
     "Support Bundle": "Supportpaket",
@@ -396,7 +398,7 @@
     "Sync Ownership": "Besitzinformation synchronisieren",
     "Sync Protocol Listen Addresses": "Adresse(n) für das Synchronisierungsprotokoll",
     "Sync Status": "Status der Synchronisierung",
-    "Syncing": "Synchronisiere",
+    "Syncing": "Wird synchronisiert",
     "Syncthing device ID for \"{%devicename%}\"": "Syncthing-Geräte-ID für „{{devicename}}“",
     "Syncthing has been shut down.": "Syncthing wurde heruntergefahren.",
     "Syncthing includes the following software or portions thereof:": "Syncthing enthält die folgende Software oder Teile von:",
@@ -409,24 +411,24 @@
     "Syncthing is upgrading.": "Syncthing wird aktualisiert.",
     "Syncthing now supports automatically reporting crashes to the developers. This feature is enabled by default.": "Syncthing unterstützt jetzt automatische Absturzberichte an die Entwickler. Diese Funktion ist standardmäßig aktiviert.",
     "Syncthing seems to be down, or there is a problem with your Internet connection. Retrying…": "Syncthing scheint nicht erreichbar zu sein oder es gibt ein Problem mit der Internetverbindung. Erneuter Versuch …",
-    "Syncthing seems to be experiencing a problem processing your request. Please refresh the page or restart Syncthing if the problem persists.": "Syncthing scheint ein Problem mit der Verarbeitung Deiner Eingabe zu haben. Bitte lade die Seite neu oder führe einen Neustart durch, falls das Problem weiterhin besteht.",
+    "Syncthing seems to be experiencing a problem processing your request. Please refresh the page or restart Syncthing if the problem persists.": "Syncthing scheint ein Problem mit der Verarbeitung Ihrer Eingabe zu haben. Laden Sie bitte die Seite neu oder führen einen Neustart durch, falls das Problem weiterhin besteht.",
     "TCP LAN": "TCP LAN",
     "TCP WAN": "TCP WAN",
-    "Take me back": "Führe mich zurück",
+    "Take me back": "Führen Sie mich zurück",
     "The GUI address is overridden by startup options. Changes here will not take effect while the override is in place.": "Die GUI-Adresse wird durch Startoptionen überschrieben. Hier vorgenommene Änderungen werden nicht wirksam, solange die Überschreibung besteht.",
     "The Syncthing Authors": "Die Syncthing-Autoren",
     "The Syncthing admin interface is configured to allow remote access without a password.": "Die Syncthing-Oberfläche erlaubt mit den jetzigen Einstellungen einen Zugriff ohne Passwort.",
     "The aggregated statistics are publicly available at the URL below.": "Die gesammelten Statistiken sind öffentlich unter der nachfolgenden URL verfügbar.",
     "The cleanup interval cannot be blank.": "Das Bereinigungsintervall darf nicht leer sein.",
-    "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "Die Konfiguration wurde gespeichert, aber noch nicht aktiviert. Syncthing muss neugestartet werden, um die neue Konfiguration zu übernehmen.",
+    "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "Die Konfiguration wurde gespeichert, aber noch nicht aktiviert. Syncthing muss neu gestartet werden, um die neue Konfiguration zu übernehmen.",
     "The device ID cannot be blank.": "Die Gerätekennung darf nicht leer sein.",
     "The device ID to enter here can be found in the \"Actions > Show ID\" dialog on the other device. Spaces and dashes are optional (ignored).": "Die hier einzutragende Gerätekennung kann im Dialog „Aktionen > Kennung anzeigen“ auf dem anderen Gerät gefunden werden. Leerzeichen und Bindestriche sind optional (werden ignoriert).",
     "The encrypted usage report is sent daily. It is used to track common platforms, folder sizes, and app versions. If the reported data set is changed you will be prompted with this dialog again.": "Der verschlüsselte Nutzungsbericht wird täglich gesendet. Er wird verwendet, um Statistiken über verwendete Betriebssysteme, Ordnergrößen und Programmversionen zu erstellen. Sollte der Bericht in Zukunft weitere Daten erfassen, wird dieses Fenster erneut angezeigt.",
-    "The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.": "Die eingegebene Gerätekennung scheint nicht gültig zu sein. Es sollte eine 52 oder 56 stellige Zeichenkette aus Buchstaben und Nummern sein. Leerzeichen und Bindestriche sind optional.",
+    "The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.": "Die eingegebene Gerätekennung scheint nicht gültig zu sein. Es sollte eine 52- oder 56-stellige Zeichenkette aus Buchstaben und Zahlen sein. Leerzeichen und Bindestriche sind optional.",
     "The folder ID cannot be blank.": "Die Ordnerkennung darf nicht leer sein.",
     "The folder ID must be unique.": "Die Ordnerkennung muss eindeutig sein.",
     "The folder content on other devices will be overwritten to become identical with this device. Files not present here will be deleted on other devices.": "Der Ordnerinhalt auf anderen Geräten wird überschrieben, um mit diesem Gerät identisch zu werden. Dateien, die hier nicht vorhanden sind, werden auf anderen Geräten gelöscht.",
-    "The folder content on this device will be overwritten to become identical with other devices. Files newly added here will be deleted.": "Der Ordnerinhalt auf diesem Gerät wird überschrieben, um mit anderen Geräten identisch zu werden. Dateien, die hier neu hinzugefügt wurden, werden gelöscht.",
+    "The folder content on this device will be overwritten to become identical with other devices. Files newly added here will be deleted.": "Der Ordnerinhalt auf diesem Gerät wird überschrieben, damit er mit anderen Geräten identisch ist. Dateien, die hier neu hinzugefügt wurden, werden gelöscht.",
     "The folder path cannot be blank.": "Der Ordnerpfad darf nicht leer sein.",
     "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "Es wird in folgenden Abständen versioniert: In der ersten Stunde wird alle 30 Sekunden eine Version behalten, am ersten Tag eine jede Stunde, in den ersten 30 Tagen eine jeden Tag. Danach wird bis zum angegebenen Höchstalter eine Version pro Woche behalten.",
     "The following items could not be synchronized.": "Die folgenden Elemente konnten nicht synchronisiert werden.",
@@ -435,12 +437,12 @@
     "The following text will automatically be inserted into a new message.": "Der folgende Text wird automatisch in eine neue Nachricht eingefügt.",
     "The following unexpected items were found.": "Die folgenden unerwarteten Elemente wurden gefunden.",
     "The interval must be a positive number of seconds.": "Das Intervall muss eine positive Zahl von Sekunden sein.",
-    "The interval, in seconds, for running cleanup in the versions directory. Zero to disable periodic cleaning.": "Das Intervall, in Sekunden, zwischen den Bereinigungen im Versionsverzeichnis. Null um das regelmäßige Bereinigen zu deaktivieren.",
+    "The interval, in seconds, for running cleanup in the versions directory. Zero to disable periodic cleaning.": "Das Intervall in Sekunden zwischen den Bereinigungen im Versionsverzeichnis. Null, um das regelmäßige Bereinigen zu deaktivieren.",
     "The maximum age must be a number and cannot be blank.": "Das Höchstalter muss angegeben werden und eine Zahl sein.",
-    "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "Die längste Zeit, die alte Versionen vorgehalten werden (in Tagen) (0 um alte Versionen für immer zu behalten).",
+    "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "Die längste Zeit, die alte Versionen vorgehalten werden (in Tagen) (0, um alte Versionen für immer zu behalten).",
     "The number of connections must be a non-negative number.": "Die Anzahl der Verbindungen muss eine nicht-negative Zahl sein.",
     "The number of days must be a number and cannot be blank.": "Die Anzahl der Tage muss eine Ganzzahl sein und darf nicht leer sein.",
-    "The number of days to keep files in the trash can. Zero means forever.": "Dauer in Tagen für welche die Dateien aufgehoben werden sollen. 0 bedeutet für immer.",
+    "The number of days to keep files in the trash can. Zero means forever.": "Die Anzahl der Tage, die Dateien im Papierkorb verbleiben sollen. Null bedeutet für immer.",
     "The number of old versions to keep, per file.": "Anzahl der alten Versionen, die von jeder Datei behalten werden sollen.",
     "The number of versions must be a number and cannot be blank.": "Die Anzahl von Versionen muss eine Ganzzahl und darf nicht leer sein.",
     "The path cannot be blank.": "Der Pfad darf nicht leer sein.",
@@ -456,16 +458,16 @@
     "This Device": "Dieses Gerät",
     "This Month": "Dieser Monat",
     "This can easily give hackers access to read and change any files on your computer.": "Dies kann dazu führen, dass Unberechtigte relativ einfach auf Ihre Dateien zugreifen und diese ändern können.",
-    "This device cannot automatically discover other devices or announce its own address to be found by others.  Only devices with statically configured addresses can connect.": "Dieses Gerät kann nicht automatisch andere Geräte auffinden, oder seine eigene Adresse bekannt geben, um von anderen gefunden zu werden. Nur Geräte mit statisch konfigurierten Adressen können sich verbinden.",
+    "This device cannot automatically discover other devices or announce its own address to be found by others.  Only devices with statically configured addresses can connect.": "Dieses Gerät kann nicht automatisch andere Geräte auffinden oder seine eigene Adresse bekannt geben, um von anderen gefunden zu werden. Nur Geräte mit statisch konfigurierten Adressen können sich verbinden.",
     "This is a major version upgrade.": "Dies ist eine Hauptversionsaktualisierung.",
-    "This setting controls the free space required on the home (i.e., index database) disk.": "Diese Einstellung regelt den freien Speicherplatz, der für den Systemordner (d.h. Indexdatenbank) erforderlich ist.",
+    "This setting controls the free space required on the home (i.e., index database) disk.": "Diese Einstellung regelt den freien Speicherplatz, der für den Systemordner (d. h. Indexdatenbank) erforderlich ist.",
     "Time": "Zeit",
     "Time the item was last modified": "Zeit der letzten Änderung des Elements",
     "To connect with the Syncthing device named \"{%devicename%}\", add a new remote device on your end with this ID:": "Um sich mit dem Syncthing-Gerät namens „{{devicename}}“ zu verbinden, fügen Sie ein neues Gerät mit dieser ID hinzu:",
     "To permit a rule, have the checkbox checked. To deny a rule, leave it unchecked.": "Zum Erlauben einer Regel Häkchen setzen. Zum Verweigern einer Regel frei lassen.",
     "Today": "Heute",
     "Trash Can": "Papierkorb",
-    "Trash Can File Versioning": "Papierkorb Dateiversionierung",
+    "Trash Can File Versioning": "Papierkorb-Dateiversionierung",
     "Type": "Typ",
     "UNIX Permissions": "UNIX-Berechtigungen",
     "Unavailable": "Nicht verfügbar",
@@ -491,7 +493,7 @@
     "Use notifications from the filesystem to detect changed items.": "Benachrichtigungen des Dateisystems nutzen, um Änderungen zu erkennen.",
     "User": "Benutzer",
     "User Home": "Benutzer-Stammverzeichnis",
-    "Username/Password has not been set for the GUI authentication. Please consider setting it up.": "Benutzername / Passwort wurde für die Benutzeroberfläche nicht gesetzt. Bitte erwägen Sie dies einzurichten.",
+    "Username/Password has not been set for the GUI authentication. Please consider setting it up.": "Benutzername / Passwort wurde für die Benutzeroberfläche nicht gesetzt. Bitte erwägen Sie, dies einzurichten.",
     "Using a QUIC connection over LAN": "Verwendet eine QUIC-Verbindung über LAN",
     "Using a QUIC connection over WAN": "Verwendet eine QUIC-Verbindung über WAN",
     "Using a direct TCP connection over LAN": "Verwendet eine direkte TCP-Verbindung über LAN",
@@ -512,8 +514,8 @@
     "Watch for Changes": "Änderungen überwachen",
     "Watching for Changes": "Überwachung von Änderungen",
     "Watching for changes discovers most changes without periodic scanning.": "Das Überwachen von Änderungen entdeckt die meisten Änderungen ohne regelmäßiges Scannen.",
-    "When adding a new device, keep in mind that this device must be added on the other side too.": "Beachte beim Hinzufügen eines neuen Gerätes, dass dieses Gerät auch auf den anderen Geräten hinzugefügt werden muss.",
-    "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "Beachte bitte beim Hinzufügen eines neuen Ordners, dass die Ordnerkennung dazu verwendet wird, Ordner zwischen Geräten zu verbinden. Die Kennung muss also auf allen Geräten gleich sein, die Groß- und Kleinschreibung muss dabei beachtet werden.",
+    "When adding a new device, keep in mind that this device must be added on the other side too.": "Beachten Sie beim Hinzufügen eines neuen Gerätes, dass dieses Gerät auch auf den anderen Geräten hinzugefügt werden muss.",
+    "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "Beachten Sie bitte beim Hinzufügen eines neuen Ordners, dass die Ordnerkennung dazu verwendet wird, Ordner zwischen Geräten zu verbinden. Die Kennung muss also auf allen Geräten gleich sein, die Groß- und Kleinschreibung muss dabei beachtet werden.",
     "When set to more than one on both devices, Syncthing will attempt to establish multiple concurrent connections. If the values differ, the highest will be used. Set to zero to let Syncthing decide.": "Wenn auf beiden Geräten der Wert höher als eins eingestellt ist, versucht Syncthing, mehrere gleichzeitige Verbindungen herzustellen. Wenn die Werte unterschiedlich sind, wird der höchste Wert verwendet. Den Wert auf Null setzen, um Syncthing entscheiden zu lassen.",
     "Yes": "Ja",
     "Yesterday": "Gestern",
@@ -524,8 +526,8 @@
     "You have no ignored devices.": "Sie haben keine ignorierten Geräte.",
     "You have no ignored folders.": "Sie haben keine ignorierten Ordner.",
     "You have unsaved changes. Do you really want to discard them?": "Sie haben nicht gespeicherte Änderungen. Wollen Sie diese wirklich verwerfen?",
-    "You must keep at least one version.": "Du musst mindestens eine Version behalten.",
-    "You should never add or change anything locally in a \"{%receiveEncrypted%}\" folder.": "Sie sollten nie etwas im „{{receiveEncrypted}}“ Ordner lokal ändern oder hinzufügen.",
+    "You must keep at least one version.": "Sie müssen zumindest eine Version behalten.",
+    "You should never add or change anything locally in a \"{%receiveEncrypted%}\" folder.": "Sie sollten nie etwas im Ordner „{{receiveEncrypted}}“ lokal ändern oder hinzufügen.",
     "Your SMS app should open to let you choose the recipient and send it from your own number.": "Ihre SMS-App sollte sich öffnen, damit Sie den Empfänger auswählen und die Nachricht von Ihrer eigenen Nummer aus versenden können.",
     "Your email app should open to let you choose the recipient and send it from your own address.": "Ihre E-Mail-App sollte sich öffnen, damit Sie den Empfänger auswählen und die Nachricht von Ihrer eigenen Adresse aus versenden können.",
     "days": "Tage",

gui/default/assets/lang/lang-en.json

@@ -27,6 +27,7 @@
     "Allowed Networks": "Allowed Networks",
     "Alphabetic": "Alphabetic",
     "Altered by ignoring deletes.": "Altered by ignoring deletes.",
+    "Always turned on when the folder type is \"{%foldertype%}\".": "Always turned on when the folder type is \"{{foldertype}}\".",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.",
     "Anonymous Usage Reporting": "Anonymous Usage Reporting",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "Anonymous usage report format has changed. Would you like to move to the new format?",
@@ -52,6 +53,7 @@
     "Body:": "Body:",
     "Bugs": "Bugs",
     "Cancel": "Cancel",
+    "Cannot be enabled when the folder type is \"{%foldertype%}\".": "Cannot be enabled when the folder type is \"{{foldertype}}\".",
     "Changelog": "Changelog",
     "Clean out after": "Clean out after",
     "Cleaning Versions": "Cleaning Versions",

gui/default/assets/lang/lang-es.json

@@ -11,7 +11,7 @@
     "Add Device": "Agregar el dispositivo",
     "Add Folder": "Agregar Carpeta",
     "Add Remote Device": "Añadir un dispositivo remoto",
-    "Add devices from the introducer to our device list, for mutually shared folders.": "Añadir dispositivos desde el introductor a nuestra lista de dispositivos, para las carpetas compartidas mutuamente.",
+    "Add devices from the introducer to our device list, for mutually shared folders.": "Añadir dispositivos del presentador a nuestra lista de dispositivos para las carpetas compartidas mutuamente.",
     "Add filter entry": "Añadir una entrada al filtro",
     "Add ignore patterns": "Agregar patrones a ignorar",
     "Add new folder?": "¿Agregar una carpeta nueva?",
@@ -29,7 +29,7 @@
     "Altered by ignoring deletes.": "Alterado ignorando eliminaciones.",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "Un comando externo maneja las versiones. Tienes que eliminar el archivo de la carpeta compartida. Si la ruta a la aplicación contiene espacios, ésta debe estar entre comillas.",
     "Anonymous Usage Reporting": "Informe anónimo de uso",
-    "Anonymous usage report format has changed. Would you like to move to the new format?": "El formato del informe de uso anónimo a cambiado. ¿Desearía usar el nuevo formato?",
+    "Anonymous usage report format has changed. Would you like to move to the new format?": "El formato del informe de uso anónimo a cambiado. ¿Le gustaría pasar al nuevo formato?",
     "Applied to LAN": "Aplicado a la LAN",
     "Apply": "Solicitar",
     "Are you sure you want to override all remote changes?": "¿Está seguro(a) de que desea sobreescribir todos los cambios remotos?",
@@ -131,7 +131,7 @@
     "Edit Device": "Editar Dispositivo",
     "Edit Device Defaults": "Editar Valores Predeterminados del Dispositivo",
     "Edit Folder": "Editar Carpeta",
-    "Edit Folder Defaults": "Editar Valores Predeterminados de la Carpeta",
+    "Edit Folder Defaults": "Editar Valores Predeterminados de las Carpeta",
     "Editing {%path%}.": "Editando {{path}}.",
     "Enable Crash Reporting": "Activar Informes de Fallos",
     "Enable NAT traversal": "Permitir NAT transversal",
@@ -269,7 +269,7 @@
     "No upgrades": "Sin actualizaciones",
     "Not shared": "No Compartido(a)",
     "Notice": "Aviso",
-    "Number of Connections": "Número de las conexiones",
+    "Number of Connections": "Número de conexiones",
     "OK": "De acuerdo",
     "Off": "Desactivado",
     "Oldest First": "El más antiguo primero",
@@ -532,7 +532,7 @@
     "deleted": "eliminado",
     "deny": "denegar",
     "directories": "directorios",
-    "file": "expediente",
+    "file": "fichero",
     "files": "archivos",
     "folder": "carpeta",
     "full documentation": "Documentación completa",

gui/default/assets/lang/lang-fil.json

@@ -1,7 +1,7 @@
 {
-    "A device with that ID is already added.": "Nadagdag na ang device na may ganitong ID.",
+    "A device with that ID is already added.": "May naidagdag na device na may ganitong ding ID.",
     "A negative number of days doesn't make sense.": "Walang saysay ang negatibong numero ng araw.",
-    "A new major version may not be compatible with previous versions.": "Maaring hindi compatible ang isang bagong major na beryson sa mga kasalukuyang bersyon.",
+    "A new major version may not be compatible with previous versions.": "Maaring hindi compatible ang isang bagong major na beryson sa mga nakaraang bersyon.",
     "API Key": "API Key",
     "About": "Tungkol sa",
     "Action": "Aksyon",
@@ -403,7 +403,7 @@
     "Syncthing is Free and Open Source Software licensed as MPL v2.0.": "Ang Syncthing ay Libre at Open Source na Software na nakalisensya sa MPL v2.0.",
     "Syncthing is a continuous file synchronization program. It synchronizes files between two or more computers in real time, safely protected from prying eyes. Your data is your data alone and you deserve to choose where it is stored, whether it is shared with some third party, and how it's transmitted over the internet.": "Ang Syncthing ay isang continuous na file synchronization na program. Sini-synchronize nito ang mga file sa pagitan ng dalawa o higit pang mga computer sa totoong oras, ligtas na protektado mula sa prying na mata. Ang iyong data ay iyong data at nararapat kang pumili kung saan sila ilalagay, kung binabahagi ito sa third party, at kung paano ito pinapadala sa Internet.",
     "Syncthing is listening on the following network addresses for connection attempts from other devices:": "Nakikinig ang Syncthing sa mga sumusunod na network address para sa mga tangka sa koneksyon mula sa ibang device:",
-    "Syncthing is not listening for connection attempts from other devices on any address.  Only outgoing connections from this device may work.": "Hindi nakikinig ang Syncthing sa mga tangka sa koneksyon mula sa ibang mga device sa anumang address.  Ang mga palabas na koneksyon lamang ay maaring gumana.",
+    "Syncthing is not listening for connection attempts from other devices on any address.  Only outgoing connections from this device may work.": "Hindi nakikinig ang Syncthing sa mga tangka sa koneksyon mula sa ibang mga device sa anumang address.  Ang mga palabas na koneksyon lamang ay maaaring gumana.",
     "Syncthing is restarting.": "Nagre-restart ang Syncthing.",
     "Syncthing is saving changes.": "Nagse-save ng mga pagbabago ang Syncthing.",
     "Syncthing is upgrading.": "Naga-upgrade ang Syncthing.",
@@ -417,17 +417,17 @@
     "The Syncthing Authors": "Ang Mga Awtor ng Syncthing",
     "The Syncthing admin interface is configured to allow remote access without a password.": "Naka-configure ang Syncthing admin interface na payagan ang remote access nang walang password.",
     "The aggregated statistics are publicly available at the URL below.": "Available nang publiko ang pinagsama-samang istatistika sa URL sa ibaba.",
-    "The cleanup interval cannot be blank.": "Hindi maaring walang laman ang pagitan ng paglinis.",
+    "The cleanup interval cannot be blank.": "Hindi maaaring walang laman ang pagitan ng paglinis.",
     "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "Na-save na ang configuration ngunit hindi naka-activate. Kailangang mag-restart ang Syncthing para i-activate ang bagong configuration.",
-    "The device ID cannot be blank.": "Hindi maaring walang laman ang Device ID.",
+    "The device ID cannot be blank.": "Hindi maaaring walang laman ang Device ID.",
     "The device ID to enter here can be found in the \"Actions > Show ID\" dialog on the other device. Spaces and dashes are optional (ignored).": "Mahahanap ang device ID na ilalagay dito sa \"Mga Aksyon > Ipakita ang ID\" na dialog sa isa pang device. Opsyonal ang mga puwang at gitling (hindi pinapansin).",
     "The encrypted usage report is sent daily. It is used to track common platforms, folder sizes, and app versions. If the reported data set is changed you will be prompted with this dialog again.": "Araw-araw na pinapadala ang naka-encrypt na ulat sa paggamit. Ginagamit ito sa pag-track ng mga karaniwang platform, laki ng folder, at bersyon ng app. Kapag nabago ang tinakdang data ng ulat ipo-prompt kang muli ng dialog na ito.",
     "The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.": "Mukhang hindi angkop ang inilagay na device ID. Dapat itong 52 o 56 na character na string na binubuo ng mga titik at numero, na may mga puwang at gitling bilang opsyonal.",
-    "The folder ID cannot be blank.": "Hindi maaring walang laman ang folder ID.",
+    "The folder ID cannot be blank.": "Hindi maaaring walang laman ang folder ID.",
     "The folder ID must be unique.": "Kailangang kakaiba ang folder ID.",
     "The folder content on other devices will be overwritten to become identical with this device. Files not present here will be deleted on other devices.": "Io-overwrite ang nilalaman ng folder sa mga ibang device para maging magkapareho sa device na ito. Ang mga file na hindi nandito ay buburahin sa mga ibang device.",
     "The folder content on this device will be overwritten to become identical with other devices. Files newly added here will be deleted.": "Io-overwrite ang nilalaman ng folder sa mga ibang device para maging magkapareho sa device na ito. Ang mga file na kamakilang dinagdag dito ay buburahin sa mga ibang device.",
-    "The folder path cannot be blank.": "Hindi maaring walang laman ang path ng folder.",
+    "The folder path cannot be blank.": "Hindi maaaring walang laman ang path ng folder.",
     "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "Ang mga sumusunod na pagitan ay ginagamit: sa unang oras ang isang bersyon ay pinapanatili bawat 30 segundo, sa unang araw ang isang bersyon ay pinapanatili bawat oras, sa unang 30 araw ang isang bersyon ay pinapanatili bawat araw, hanggang sa pinakamataas na edad ang isang bersyon ay pinapanatili bawat linggo.",
     "The following items could not be synchronized.": "Hindi ma-synchronize ang mga sumusunod na item.",
     "The following items were changed locally.": "Binago ng lokal ang mga sumusunod na item.",
@@ -436,14 +436,14 @@
     "The following unexpected items were found.": "Nahanap ang mga sumusunod na hindi inaasahang item.",
     "The interval must be a positive number of seconds.": "Dapat positibong numero ng segundo ang pagitan.",
     "The interval, in seconds, for running cleanup in the versions directory. Zero to disable periodic cleaning.": "Ang pagitan, bilang segundo, para sa pagtakbo ng paglinis sa versions na direktoryo. Sero para i-disable ang periodical na paglinis.",
-    "The maximum age must be a number and cannot be blank.": "Dapat numero ang pinakamataas na edad at hindi maaring walang laman.",
+    "The maximum age must be a number and cannot be blank.": "Dapat numero ang pinakamataas na edad at hindi maaaring walang laman.",
     "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "Ang pinakamataas na oras para panatilihin ang bersyon (bilang araw, itakda sa 0 para panatilihin ang mga bersyon magpakailanman).",
     "The number of connections must be a non-negative number.": "Dapat hindi negatibong numero ang bilang ng mga koneksyon.",
-    "The number of days must be a number and cannot be blank.": "Dapat numero ang bilang ng araw at hindi maaring walang laman.",
+    "The number of days must be a number and cannot be blank.": "Dapat numero ang bilang ng araw at hindi maaaring walang laman.",
     "The number of days to keep files in the trash can. Zero means forever.": "Ang bilang ng araw para panatilihin ang mga file sa basurahan. Ang sero ay ibig sabihin ay magpakailanman.",
     "The number of old versions to keep, per file.": "Ang bilang ng mga lumang bersyon na dapat panatilihin, bawat file.",
-    "The number of versions must be a number and cannot be blank.": "Dapat numero ang bilang ng mga bersyon at hindi maaring walang laman.",
-    "The path cannot be blank.": "Hindi maaring walang laman ang path.",
+    "The number of versions must be a number and cannot be blank.": "Dapat numero ang bilang ng mga bersyon at hindi maaaring walang laman.",
+    "The path cannot be blank.": "Hindi maaaring walang laman ang path.",
     "The rate limit is applied to the accumulated traffic of all connections to this device.": "Ina-apply ang rate limit sa naipon na traffic ng lahat ng mga koneksyon sa device na ito.",
     "The rate limit must be a non-negative number (0: no limit)": "Dapat hindi negatibong numero ang rate limit (0: walang limitasyon)",
     "The remote device has not accepted sharing this folder.": "Hindi tinanggap ng remote device ang pagbahagi ng folder na ito.",

gui/default/assets/lang/lang-fr.json

@@ -27,6 +27,7 @@
     "Allowed Networks": "Réseaux autorisés",
     "Alphabetic": "Alphabétique",
     "Altered by ignoring deletes.": "Protégé par \"Ignore Delete\".",
+    "Always turned on when the folder type is \"{%foldertype%}\".": "Toujours activé pour le type de partage \"{{foldertype}}\".",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "Une commande externe gère les versions de fichiers. Il lui incombe de supprimer les fichiers du répertoire partagé. Si le chemin contient des espaces, il doit être spécifié entre guillemets.",
     "Anonymous Usage Reporting": "Rapport anonyme de statistiques d'utilisation",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "Le format du rapport anonyme d'utilisation a changé. Voulez-vous passer au nouveau format ?",
@@ -52,6 +53,7 @@
     "Body:": "Corps du message :",
     "Bugs": "Bogues",
     "Cancel": "Annuler",
+    "Cannot be enabled when the folder type is \"{%foldertype%}\".": "Ne peut être activé pour le type de partage \"{{foldertype}}\".",
     "Changelog": "Historique des versions",
     "Clean out after": "Conserver pendant",
     "Cleaning Versions": "Purge des versions",

gui/default/assets/lang/lang-gl.json

@@ -6,6 +6,7 @@
     "About": "Sobre",
     "Action": "Acción",
     "Actions": "Accións",
+    "Active filter rules": "Regras de filtrado activas",
     "Add": "Engadir",
     "Add Device": "Engadir dispositivo",
     "Add Folder": "Engadir cartafol",
@@ -25,6 +26,7 @@
     "Allow Anonymous Usage Reporting?": "Permitir o informe de uso anónimo?",
     "Allowed Networks": "Redes permitidas",
     "Alphabetic": "Alfabética",
+    "Altered by ignoring deletes.": "Cambiado por ignorar o borrado.",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "Un comando externo xestiona as versións. Ten que eliminar o ficheiro do cartafol compartido. Si a ruta ao aplicativo contén espazos, deberían ir acotados.",
     "Anonymous Usage Reporting": "Informe anónimo de uso",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "O formato do informe de uso anónimo cambiou. Quere usar o novo formato?",
@@ -37,21 +39,26 @@
     "Are you sure you want to restore {%count%} files?": "Está seguro de que desexa restaurar {{count}} ficheiros?",
     "Are you sure you want to revert all local changes?": "Está seguro de que quere reverter todos os cambios locais?",
     "Are you sure you want to upgrade?": "Está seguro de que desexa actualizar?",
+    "Authentication Required": "Autenticación Necesaria",
     "Authors": "Autores",
     "Auto Accept": "Aceptar automaticamente",
     "Automatic Crash Reporting": "Informe Automático de Erros",
     "Automatic upgrade now offers the choice between stable releases and release candidates.": "Agora a actualización automática permite escoller entre versións estables e versións candidatas.",
     "Automatic upgrades": "Actualizacións automáticas",
     "Automatic upgrades are always enabled for candidate releases.": "As actualizacións automáticas sempre están activadas para versións candidatas.",
+    "Automatically create or share folders that this device advertises at the default path.": "Crear ou compartir automaticamente os cartafoles na ruta predeterminada que este dispositivo anuncia.",
+    "Available debug logging facilities:": "Ferramentas de depuración dispoñibles:",
     "Be careful!": "Teña coidado!",
     "Body:": "Corpo:",
     "Bugs": "Erros",
     "Cancel": "Cancelar",
     "Changelog": "Rexistro de cambios",
+    "Clean out after": "Limpar despois",
     "Cleaning Versions": "Limpando Versións",
     "Cleanup Interval": "Intervalo de Limpeza",
     "Click to see full identification string and QR code.": "Faga clic para ver a cadea de identificación completa e o código QR.",
     "Close": "Pechar",
+    "Command": "Orde",
     "Comment, when used at the start of a line": "Comentar, cando se usa ao inicio dunha liña",
     "Compression": "Compresión",
     "Configuration Directory": "Directorio de Configuración",
@@ -69,13 +76,17 @@
     "Copied!": "Copiado!",
     "Copy": "Copiar",
     "Copy failed! Try to select and copy manually.": "Fallou a copia! Probe a seleccionar e copiar manualmente.",
+    "Currently Shared With Devices": "Compartido actualmente cos dispositivos",
+    "Custom Range": "Rango personalizado",
     "Danger!": "Perigo!",
     "Database Location": "Localización da Base de Datos",
+    "Debugging Facilities": "Ferramentas de depuración",
     "Default": "Predeterminado",
     "Default Configuration": "Configuración Predeterminada",
     "Default Device": "Dispositivo Predeterminado",
     "Default Folder": "Cartafol Predeterminado",
     "Default Ignore Patterns": "Patróns de Ignorado Predeterminados",
+    "Defaults": "Predeterminados",
     "Delete": "Eliminar",
     "Delete Unexpected Items": "Eliminar os Ítems Inesperados",
     "Deleted {%file%}": "Eliminado {{file}}",
@@ -89,10 +100,16 @@
     "Device Identification": "Identificación do dispositivo",
     "Device Name": "Nome do dispositivo",
     "Device Status": "Estado do dispositivo",
+    "Device is untrusted, enter encryption password": "Sen confianza no dispositivo, escribir contrasinal para cifrar",
+    "Device rate limits": "Límites do dispositivo",
     "Device that last modified the item": "Dispositivo que modificou o elemento por última vez",
     "Devices": "Dispositivos",
     "Disable Crash Reporting": "Desactivar o Informe de Erros",
     "Disabled": "Deshabilitado",
+    "Disabled periodic scanning and disabled watching for changes": "Desactivaronse o escaneo periódico e o control de cambios",
+    "Disabled periodic scanning and enabled watching for changes": "Desactivouse o escaneo periódico e activouse o control de cambios",
+    "Disabled periodic scanning and failed setting up watching for changes, retrying every 1m:": "Desactivouse o escaneo periódico e fallou establecer a vixilancia de cambios, reintento cada minuto:",
+    "Disables comparing and syncing file permissions. Useful on systems with nonexistent or custom permissions (e.g. FAT, exFAT, Synology, Android).": "Desactiva a comparación e sincronización dos permisos dos ficheiros. Útil en sistemas que non teñen ou usan permisos personalizados (ex. FAT, exFAT, Synology, Android).",
     "Discard": "Descartar",
     "Disconnected": "Desconectado",
     "Disconnected (Inactive)": "Desconectado (Inactivo)",
@@ -102,7 +119,9 @@
     "Discovery Failures": "Erros de Descubrimento",
     "Discovery Status": "Estado do Descubrimento",
     "Dismiss": "Descartar",
+    "Do not add it to the ignore list, so this notification may recur.": "Non engadilo á lista de ignorados, para que esta notificación poida repetirse.",
     "Do not restore": "Non restaurar",
+    "Do not restore all": "Non restablecer todo",
     "Do you want to enable watching for changes for all your folders?": "Quere habilitar o control de cambios para todos os seus cartafois?",
     "Documentation": "Documentación",
     "Download Rate": "Velocidade de Descarga",
@@ -110,11 +129,17 @@
     "Downloading": "Descargando",
     "Edit": "Editar",
     "Edit Device": "Editar o Dispositivo",
+    "Edit Device Defaults": "Editar predeterminados do dispositivo",
     "Edit Folder": "Editar o Cartafol",
+    "Edit Folder Defaults": "Editar predeterminados dos cartafoles",
     "Editing {%path%}.": "Editando {{path}}.",
+    "Enable Crash Reporting": "Activar informar dos fallos",
     "Enable NAT traversal": "Habilitar o NAT traversal",
     "Enable Relaying": "Habilitar Relevos",
     "Enabled": "Habilitado",
+    "Enables sending extended attributes to other devices, and applying incoming extended attributes. May require running with elevated privileges.": "Activa o envío de atributos extendidos a outros dispositivos, e aplicar os atributos extendidos recibidos. Podería requerir a execución con privilexios elevados.",
+    "Enables sending extended attributes to other devices, but not applying incoming extended attributes. This can have a significant performance impact. Always enabled when \"Sync Extended Attributes\" is enabled.": "Activa o envío de atributos extendidos a outros dispositivos, pero non aplica atributos extendidos que se reciben. Isto podería afectar significativamente ao rendemento. Sempre está activado cando «Sincr Atributos Extendidos\" está activado.",
+    "Enables sending ownership information to other devices, and applying incoming ownership information. Typically requires running with elevated privileges.": "Activa o envío de información sobre a propiedade a outros dispositivos, e aplica a información sobre a propiedade cando se recibe. Normalmente require a execución con privilexios elevados.",
     "Enter a non-negative number (e.g., \"2.35\") and select a unit. Percentages are as part of the total disk size.": "Introduza un número non negativo (por exemplo, \"2.35\") e seleccione unha unidade. As porcentaxes son como partes totais do tamaño do disco.",
     "Enter a non-privileged port number (1024 - 65535).": "Introduza un número de porto non privilexiado (1024-65535).",
     "Enter comma separated (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "Introduza direccións separadas por comas (\"tcp://ip:porto\", \"tcp://host:porto\") ou \"dynamic\" para realizar o descubrimento automático da dirección.",
@@ -125,8 +150,14 @@
     "Extended Attributes Filter": "Filtro de Atributos Estendidos",
     "External": "Externo",
     "External File Versioning": "Versionado de Fichiro Externo",
+    "Failed Items": "Elmentos fallados",
+    "Failed to load file versions.": "Fallou a carga das versións dos ficheiros.",
+    "Failed to load ignore patterns.": "Fallou a carga de patróns ignorados.",
+    "Failed to setup, retrying": "Fallou a configuración, reintentando",
+    "Failure to connect to IPv6 servers is expected if there is no IPv6 connectivity.": "É de agardar o fallo ao conectar con servidores IPv6 se non hai conexión por IPv6.",
     "File Pull Order": "Orde de Obtención de Arquivos",
     "File Versioning": "Versionado de Ficheiros",
+    "Files are moved to .stversions directory when replaced or deleted by Syncthing.": "Os ficheiros móvense ao directorio .stversions cando se substitúen ou eleminan con Syncthing.",
     "Filter by date": "FIltrar por data",
     "Filter by name": "Filtrar por nome",
     "Folder": "Cartafol",

gui/default/assets/lang/lang-he-IL.json

@@ -1,114 +1,555 @@
 {
     "A device with that ID is already added.": "כבר נוסף התקן עם המזהה הזה.",
+    "A negative number of days doesn't make sense.": "מספר שלילי של ימים אינו הגיוני.",
+    "A new major version may not be compatible with previous versions.": "ייתכן שגרסה עיקרית חדשה לא תהיה תואמת לגרסאות קודמות.",
     "API Key": "מפתח API",
-    "About": "על אודות",
+    "About": "אודות",
     "Action": "פעולה",
     "Actions": "פעולות",
-    "Add": "הוספה",
-    "Add Device": "הוספת התקן",
-    "Add Folder": "הוספת תיקיה",
-    "Add Remote Device": "הוספת התקן מרוחק",
-    "Add new folder?": "להוסיף תיקיה חדשה?",
+    "Active filter rules": "כללי מסנן פעילים",
+    "Add": "הוסף",
+    "Add Device": "הוסף התקן",
+    "Add Folder": "הוסף תיקייה",
+    "Add Remote Device": "הוסף התקן מרוחק",
+    "Add devices from the introducer to our device list, for mutually shared folders.": "הוסף התקנים מהמציג לרשימת ההתקנים שלנו, בשביל תיקיות משותפות הדדית.",
+    "Add filter entry": "הוסף ערך מסנן",
+    "Add ignore patterns": "הוסף דפוסי התעלמות",
+    "Add new folder?": "להוסיף תיקייה חדשה?",
+    "Additionally the full rescan interval will be increased (times 60, i.e. new default of 1h). You can also configure it manually for every folder later after choosing No.": "בנוסף, פרק הזמן לסריקה מלאה מחדש יגדל (פי 60, כלומר ברירת מחדל חדשה של שעה). אתה יכול גם להגדיר אותו ידנית עבור כל תיקייה מאוחר יותר לאחר שבחרת 'לא'.",
     "Address": "כתובת",
     "Addresses": "כתובות",
     "Advanced": "מתקדם",
-    "Advanced Configuration": "הגדרת תצורה מתקדמת",
+    "Advanced Configuration": "תצורה מתקדמת",
     "All Data": "כל הנתונים",
-    "Allow Anonymous Usage Reporting?": "לאפשר דיווח שימוש בעילום שם?",
+    "All Time": "כל הזמנים",
+    "All folders shared with this device must be protected by a password, such that all sent data is unreadable without the given password.": "כל התיקיות המשותפות עם התקן זה חייבות להיות מוגנת באמצעות סיסמה, כך שכל הנתונים שנשלחו אינם קריאים ללא הסיסמה שניתנה.",
+    "Allow Anonymous Usage Reporting?": "לאפשר דיווח שימוש אנונימי?",
     "Allowed Networks": "רשתות מורשות",
-    "Alphabetic": "אלפאבתי",
-    "Anonymous Usage Reporting": "דיווח שימוש בעילום שם",
-    "Are you sure you want to restore {%count%} files?": "האם אכן ברצונך לשחזר {{count}} קבצים?",
-    "Are you sure you want to upgrade?": "האם אכן ברצונך לשדרג?",
+    "Alphabetic": "אלפביתי",
+    "Altered by ignoring deletes.": "השתנה על ידי התעלמות ממחיקות.",
+    "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "פקודה חיצונית מטפלת בניהול הגרסאות. היא חייבת להסיר את הקובץ מהתיקייה המשותפת. אם הנתיב ליישום מכיל רווחים, יש לצטט אותו.",
+    "Anonymous Usage Reporting": "דיווח שימוש אנונימי",
+    "Anonymous usage report format has changed. Would you like to move to the new format?": "פורמט דוח שימוש אנונימי השתנה. האם ברצונך לעבור לפורמט החדש?",
+    "Applied to LAN": "הוחל על LAN",
+    "Apply": "החל",
+    "Are you sure you want to override all remote changes?": "האם אתה בטוח שברצונך לדרוס את כל השינויים המרוחקים?",
+    "Are you sure you want to permanently delete all these files?": "האם אתה בטוח שברצונך למחוק לצמיתות את כל הקבצים האלה?",
+    "Are you sure you want to remove device {%name%}?": "האם אתה בטוח שברצונך להסיר את ההתקן {{name}}?",
+    "Are you sure you want to remove folder {%label%}?": "האם אתה בטוח שברצונך להסיר את התיקייה {{label}}?",
+    "Are you sure you want to restore {%count%} files?": "האם אתה בטוח שברצונך לשחזר {{count}} קבצים?",
+    "Are you sure you want to revert all local changes?": "האם אתה בטוח שברצונך לבטל את כל השינויים המקומיים?",
+    "Are you sure you want to upgrade?": "האם אתה בטוח שברצונך לשדרג?",
+    "Authentication Required": "נדרש אימות",
+    "Authors": "מחברים",
     "Auto Accept": "הסכמה אוטומטית",
-    "Automatic upgrades": "שדרוג אוטומטי",
+    "Automatic Crash Reporting": "דיווח קריסה אוטומטי",
+    "Automatic upgrade now offers the choice between stable releases and release candidates.": "שדרוג אוטומטי עכשיו מציע את הבחירה בין שחרורים יציבים ומועמדים לשחרור.",
+    "Automatic upgrades": "שדרוגים אוטומטיים",
+    "Automatic upgrades are always enabled for candidate releases.": "שדרוגים אוטומטיים תמיד מופעלים עבור מועמדים לשחרור.",
+    "Automatically create or share folders that this device advertises at the default path.": "צור או שתף באופן אוטומטי תיקיות שההתקן הזה מפרסם בנתיב ברירת המחדל.",
+    "Available debug logging facilities:": "מתקני רישום דיבג זמינים:",
     "Be careful!": "זהירות!",
-    "Bugs": "תקלות",
-    "Changelog": "רשימת שינויים",
-    "Close": "סגירה",
+    "Body:": "גוף:",
+    "Bugs": "באגים",
+    "Cancel": "ביטול",
+    "Changelog": "יומן שינויים",
+    "Clean out after": "נקה לאחר",
+    "Cleaning Versions": "מנקה גרסאות",
+    "Cleanup Interval": "פרק זמן לניקוי",
+    "Click to see full identification string and QR code.": "לחץ כדי לראות מחרוזת זיהוי מלאה וקוד QR.",
+    "Close": "סגור",
     "Command": "פקודה",
+    "Comment, when used at the start of a line": "הערה, כאשר משתמשים בה בתחילת שורה",
     "Compression": "דחיסה",
-    "Connection Error": "תקלת חיבור",
+    "Configuration Directory": "תיקיית תצורה",
+    "Configuration File": "קובץ תצורה",
+    "Configured": "מוגדר",
+    "Connected (Unused)": "מחובר (לא בשימוש)",
+    "Connection Error": "שגיאת חיבור",
+    "Connection Management": "ניהול חיבורים",
     "Connection Type": "סוג חיבור",
     "Connections": "חיבורים",
+    "Connections via relays might be rate limited by the relay": "חיבורים דרך ממסרים עשויים להיות מוגבלים בקצב על ידי הממסר",
+    "Continuously watching for changes is now available within Syncthing. This will detect changes on disk and issue a scan on only the modified paths. The benefits are that changes are propagated quicker and that less full scans are required.": "מעקב רציף אחר שינויים זמין כעת בתוך Syncthing. זה יגלה שינויים בדיסק ויוציא סריקה רק על הנתיבים שהשתנו. היתרונות הן ששינויים מופצים מהר יותר ושנדרשות פחות סריקות מלאות.",
+    "Copied from elsewhere": "הועתק ממקום אחר",
     "Copied from original": "הועתק מהמקור",
+    "Copied!": "הועתק!",
+    "Copy": "העתק",
+    "Copy failed! Try to select and copy manually.": "העתקה נכשלה! נסה לבחור ולהעתיק ידנית.",
+    "Currently Shared With Devices": "כרגע משותף עם התקנים",
+    "Custom Range": "טווח מותאם אישית",
     "Danger!": "סכנה!",
+    "Database Location": "מיקום מסד נתונים",
+    "Debugging Facilities": "מתקני דיבוג",
+    "Default": "ברירת מחדל",
+    "Default Configuration": "תצורת ברירת מחדל",
+    "Default Device": "התקן ברירת מחדל",
+    "Default Folder": "תיקייה ברירת מחדל",
+    "Default Ignore Patterns": "דפוסי התעלמות ברירת מחדל",
+    "Defaults": "ברירות מחדל",
+    "Delete": "מחק",
+    "Delete Unexpected Items": "מחק פריטים בלתי צפויים",
+    "Deleted {%file%}": "{{file}} נמחק",
+    "Deselect All": "בטל את הבחירה בהכל",
+    "Deselect devices to stop sharing this folder with.": "בטל בחירת התקנים כדי להפסיק שיתוף תיקייה זו.",
+    "Deselect folders to stop sharing with this device.": "בטל בחירת תיקיות להפסקת השיתוף עם התקן זה.",
     "Device": "התקן",
+    "Device \"{%name%}\" ({%device%} at {%address%}) wants to connect. Add new device?": "התקן \"{{name}}\" ({{device}} ב־{{address}}) רוצה להתחבר. להוסיף התקן חדש?",
+    "Device Certificate": "תעודת התקן",
     "Device ID": "מזהה התקן",
-    "Device Identification": "מזהה התקן",
+    "Device Identification": "זיהוי התקן",
     "Device Name": "שם התקן",
+    "Device Status": "מצב התקן",
+    "Device is untrusted, enter encryption password": "ההתקן אינו מהימן, הזן סיסמת הצפנה",
+    "Device rate limits": "מגבלות קצב התקן",
+    "Device that last modified the item": "ההתקן ששינה את הפריט בפעם האחרונה",
     "Devices": "התקנים",
+    "Disable Crash Reporting": "השבת דיווח קריסה",
+    "Disabled": "מושבת",
+    "Disabled periodic scanning and disabled watching for changes": "סריקה תקופתית הושבתה ומעקב אחר שינויים הושבת",
+    "Disabled periodic scanning and enabled watching for changes": "סריקה תקופתית הושבתה ומעקב אחר שינויים הופעל",
+    "Disabled periodic scanning and failed setting up watching for changes, retrying every 1m:": "סריקה תקופתית הושבתה והגדרת מעקב אחר שינויים נכשלה, מנסה שוב כל דקה:",
+    "Disables comparing and syncing file permissions. Useful on systems with nonexistent or custom permissions (e.g. FAT, exFAT, Synology, Android).": "משבית השוואה וסנכרון של הרשאות קובץ. שימושי במערכות עם הרשאות שאינן קיימות או מותאמות אישית (למשל Android, Synology, exFAT, FAT).",
+    "Discard": "השלך",
     "Disconnected": "מנותק",
+    "Disconnected (Inactive)": "מנותק (לא פעיל)",
+    "Disconnected (Unused)": "מנותק (לא בשימוש)",
+    "Discovered": "התגלה",
+    "Discovery": "גילוי",
+    "Discovery Failures": "כשלי גילוי",
+    "Discovery Status": "מצב גילוי",
+    "Dismiss": "דחה",
+    "Do not add it to the ignore list, so this notification may recur.": "אל תוסיף אותו לרשימת ההתעלמות, כך שהתראה זו עשויה לחזור על עצמה.",
+    "Do not restore": "אל תשחזר",
+    "Do not restore all": "אל תשחזר הכל",
+    "Do you want to enable watching for changes for all your folders?": "האם ברצונך להפעיל מעקב אחר שינויים עבור כל התיקיות שלך?",
     "Documentation": "תיעוד",
     "Download Rate": "קצב הורדה",
-    "Edit": "עריכה",
-    "Edit Device": "עריכת התקן",
-    "Edit Folder": "עריכה תיקיה",
+    "Downloaded": "הורד",
+    "Downloading": "מוריד",
+    "Edit": "ערוך",
+    "Edit Device": "ערוך התקן",
+    "Edit Device Defaults": "ערוך ברירות מחדל של התקן",
+    "Edit Folder": "ערוך תיקייה",
+    "Edit Folder Defaults": "ערוך ברירות מחדל של תיקייה",
+    "Editing {%path%}.": "עורך {{path}}.",
+    "Enable Crash Reporting": "הפעל דיווח קריסה",
+    "Enable NAT traversal": "הפעל חציית NAT",
+    "Enable Relaying": "הפעל ממסור",
+    "Enabled": "מופעל",
+    "Enables sending extended attributes to other devices, and applying incoming extended attributes. May require running with elevated privileges.": "מאפשר שליחת תכונות מורחבות להתקנים אחרים, ומחיל תכונות מורחבות נכנסות. עשוי לדרוש הרצה עם הרשאות גבוהות.",
+    "Enables sending extended attributes to other devices, but not applying incoming extended attributes. This can have a significant performance impact. Always enabled when \"Sync Extended Attributes\" is enabled.": "מאפשר שליחת תכונות מורחבות להתקנים אחרים, אבל לא מחיל תכונות מורחבות נכנסות. זה יכול להשפיע משמעותית על הביצועים. תמיד מופעל כאשר \"סנכרון תכונות מורחבות\" מופעל.",
+    "Enables sending ownership information to other devices, and applying incoming ownership information. Typically requires running with elevated privileges.": "מאפשר שליחת מידע על בעלות להתקנים אחרים, ומחיל מידע על בעלות נכנס. בדרך כלל דורש הרצה עם הרשאות גבוהות.",
+    "Enables sending ownership information to other devices, but not applying incoming ownership information. This can have a significant performance impact. Always enabled when \"Sync Ownership\" is enabled.": "מאפשר שליחת מידע על בעלות להתקנים אחרים, אבל לא מחיל מידע על בעלות נכנס. זה יכול להשפיע משמעותית על הביצועים. תמיד מופעל כאשר \"סנכרון בעלות\" מופעל.",
+    "Enter a non-negative number (e.g., \"2.35\") and select a unit. Percentages are as part of the total disk size.": "הזן מספר לא שלילי (למשל, \"2.35\") ובחר יחידה. אחוזים הם כחלק מגודל הדיסק הכולל.",
+    "Enter a non-privileged port number (1024 - 65535).": "הזן מספר יציאה לא מיוחס (1024-65535).",
+    "Enter comma separated (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "הזן כתובות מופרדות בפסיק (\"tcp://ip:port\", \"tcp://host:port\") או \"dynamic\" כדי לבצע גילוי אוטומטי של הכתובת.",
+    "Enter ignore patterns, one per line.": "הזן דפוסי התעלמות, אחד בכל שורה.",
+    "Enter up to three octal digits.": "הזן עד שלושה ספרות אוקטליות.",
     "Error": "שגיאה",
-    "Folder": "תיקיה",
-    "Folder ID": "מזהה תיקיה",
-    "Folder Label": "כותרת תיקיה",
-    "Folder Path": "נתיב תיקיה",
-    "Folder Type": "סוג תיקיה",
+    "Extended Attributes": "תכונות מורחבות",
+    "Extended Attributes Filter": "מסנן תכונות מורחבות",
+    "External": "חיצוני",
+    "External File Versioning": "ניהול גרסאות קבצים חיצוני",
+    "Failed Items": "פריטים שנכשלו",
+    "Failed to load file versions.": "טעינת גרסאות קבצים נכשלה.",
+    "Failed to load ignore patterns.": "טעינת דפוסי התעלמות נכשלה.",
+    "Failed to setup, retrying": "ההגדרה נכשלה, מנסה שוב",
+    "Failure to connect to IPv6 servers is expected if there is no IPv6 connectivity.": "צפוי כשל בהתחברות לשרתי IPv6 אם אין קישוריות IPv6.",
+    "File Pull Order": "סדר משיכת קבצים",
+    "File Versioning": "ניהול גרסאות קבצים",
+    "Files are moved to .stversions directory when replaced or deleted by Syncthing.": "הקבצים מועברים לתיקיית stversions. כאשר הם מוחלפים או נמחקים על ידי Syncthing.",
+    "Files are moved to date stamped versions in a .stversions directory when replaced or deleted by Syncthing.": "הקבצים מועברים לגרסאות עם חותמת תאריך בתיקיית stversions. כאשר הם מוחלפים או נמחקים על ידי Syncthing.",
+    "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "הקבצים מוגנים מפני שינויים שנעשו בהתקנים אחרים, אבל שינויים שנעשו בהתקן זה יישלחו לשאר האשכול.",
+    "Files are synchronized from the cluster, but any changes made locally will not be sent to other devices.": "הקבצים מסונכרנים מהאשכול, אבל כל שינוי שנעשה מקומית לא יישלח להתקנים אחרים.",
+    "Filesystem Watcher Errors": "שגיאות משגיח מערכת קבצים",
+    "Filter by date": "סנן לפי תאריך",
+    "Filter by name": "סנן לפי שם",
+    "Folder": "תיקייה",
+    "Folder ID": "מזהה תיקייה",
+    "Folder Label": "תווית תיקייה",
+    "Folder Path": "נתיב תיקייה",
+    "Folder Status": "מצב תיקייה",
+    "Folder Type": "סוג תיקייה",
+    "Folder type \"{%receiveEncrypted%}\" can only be set when adding a new folder.": "ניתן להגדיר תיקייה מסוג \"{{receiveEncrypted}}\" רק בעת הוספת תיקייה חדשה.",
+    "Folder type \"{%receiveEncrypted%}\" cannot be changed after adding the folder. You need to remove the folder, delete or decrypt the data on disk, and add the folder again.": "לא ניתן לשנות תיקייה מסוג \"{{receiveEncrypted}}\" לאחר הוספת התיקייה. אתה צריך להסיר את התיקייה, למחוק או לפענח את הנתונים בדיסק, ולהוסיף את התיקייה שוב.",
     "Folders": "תיקיות",
-    "GUI": "ממשק משתמש",
+    "For the following folders an error occurred while starting to watch for changes. It will be retried every minute, so the errors might go away soon. If they persist, try to fix the underlying issue and ask for help if you can't.": "עבור התיקיות הבאות אירעה שגיאה בעת התחלת המעקב אחר שינויים. היא תנוסה מחדש כל דקה, כך שהשגיאות עשויות להיעלם בקרוב. אם הן נמשכות, נסה לתקן את הבעיה הבסיסית ובקש עזרה אם אינך יכול.",
+    "Forever": "לנצח",
+    "Full Rescan Interval (s)": "פרק זמן לסריקה מלאה מחדש (שנ')",
+    "GUI": "ממשק משתמש גרפי",
+    "GUI / API HTTPS Certificate": "תעודת HTTPS עבור ממשק גרפי / תכנותי",
+    "GUI Authentication Password": "סיסמת אימות ממשק גרפי",
+    "GUI Authentication User": "משתמש אימות ממשק גרפי",
+    "GUI Authentication: Set User and Password": "אימות ממשק גרפי: הגדר משתמש וסיסמה",
+    "GUI Listen Address": "כתובת האזנה של ממשק גרפי",
+    "GUI Override Directory": "תיקיית מעקף ממשק גרפי",
+    "GUI Theme": "ערכת נושא של ממשק גרפי",
     "General": "כללי",
+    "Generate": "צור",
+    "Global Discovery": "גילוי גלובלי",
+    "Global Discovery Servers": "שרתי גילוי גלובלי",
+    "Global State": "מצב גלובלי",
     "Help": "עזרה",
+    "Hint: only deny-rules detected while the default is deny. Consider adding \"permit any\" as last rule.": "רמז: רק כללי שלילה מזוהים כאשר ברירת המחדל היא לשלול. שקול להוסיף \"התר כל\" ככלל אחרון.",
     "Home page": "דף הבית",
+    "However, your current settings indicate you might not want it enabled. We have disabled automatic crash reporting for you.": "עם זאת, ההגדרות הנוכחיות שלך מצביעות על כך שאתה אולי לא רוצה את זה מופעל. השבתנו דיווח קריסה אוטומטי עבורך.",
+    "Identification": "זיהוי",
+    "If untrusted, enter encryption password": "אם לא מהימן, הזן סיסמת הצפנה",
+    "If you want to prevent other users on this computer from accessing Syncthing and through it your files, consider setting up authentication.": "אם אתה רוצה למנוע ממשתמשים אחרים במחשב זה לגשת אל Syncthing ודרך כך לקבצים שלך, שקול להגדיר אימות.",
     "Ignore": "התעלמות",
-    "Ignore Permissions": "התעלמות מהרשאות",
-    "Keep Versions": "שמירת גרסאות",
+    "Ignore Patterns": "דפוסי התעלמות",
+    "Ignore Permissions": "התעלם מהרשאות",
+    "Ignore patterns can only be added after the folder is created. If checked, an input field to enter ignore patterns will be presented after saving.": "ניתן להוסיף דפוסי התעלמות רק לאחר יצירת התיקייה. אם מסומן, שדה קלט להזנת דפוסי התעלמות יוצג לאחר השמירה.",
+    "Ignored Devices": "התקנים בהתעלמות",
+    "Ignored Folders": "תיקיות בהתעלמות",
+    "Ignored at": "בהתעלמות אצל",
+    "Included Software": "תוכנות כלולות",
+    "Incoming Rate Limit (KiB/s)": "מגבלת קצב נכנס (KiB/s)",
+    "Incorrect configuration may damage your folder contents and render Syncthing inoperable.": "תצורה שגויה עלולה לגרום נזק לתכולת התיקייה שלך ולהפוך את Syncthing לבלתי ניתן להפעלה.",
+    "Incorrect user name or password.": "שם משתמש או סיסמה שגויים.",
+    "Internally used paths:": "נתיבים בשימוש פנימי:",
+    "Introduced By": "הוצג על ידי",
+    "Introducer": "מציג",
+    "Introduction": "מבוא",
+    "Inversion of the given condition (i.e. do not exclude)": "היפוך של התנאי הנתון (כלומר אל תחריג)",
+    "Keep Versions": "שמור גרסאות",
     "LDAP": "LDAP",
-    "Learn more": "למידע נוסף",
-    "Loading...": "כעת בטעינה...",
+    "Largest First": "הגדול ביותר תחילה",
+    "Last 30 Days": "30 הימים האחרונים",
+    "Last 7 Days": "7 הימים האחרונים",
+    "Last Month": "החודש האחרון",
+    "Last Scan": "הסריקה האחרונה",
+    "Last seen": "נראה לאחרונה",
+    "Latest Change": "השינוי העדכני ביותר",
+    "Learn more": "למד עוד",
+    "Learn more at {%url%}": "למד עוד באתר {{url}}",
+    "Limit": "מגבלה",
+    "Listener Failures": "כשלי מאזין",
+    "Listener Status": "מצב מאזין",
+    "Listeners": "מאזינים",
+    "Loading data...": "טוען נתונים...",
+    "Loading...": "טוען...",
+    "Local Additions": "הוספות מקומיות",
+    "Local Discovery": "גילוי מקומי",
+    "Local State": "מצב מקומי",
+    "Local State (Total)": "מצב מקומי (סה\"כ)",
+    "Locally Changed Items": "פריטים שהשתנו מקומית",
     "Log": "יומן",
-    "Move to top of queue": "העברה לראש הרשימה",
+    "Log File": "קובץ יומן",
+    "Log In": "היכנס",
+    "Log Out": "צא",
+    "Log in to see paths information.": "היכנס כדי לראות מידע על נתיבים.",
+    "Log in to see version information.": "היכנס כדי לראות מידע על הגרסה.",
+    "Log tailing paused. Scroll to the bottom to continue.": "מעקב יומן הושהה. גלול לתחתית כדי להמשיך.",
+    "Login failed, see Syncthing logs for details.": "הכניסה נכשלה, ראה יומני Syncthing לפרטים.",
+    "Logs": "יומנים",
+    "Major Upgrade": "שדרוג עיקרי",
+    "Mass actions": "פעולות המוניות",
+    "Maximum Age": "גיל מרבי",
+    "Maximum single entry size": "גודל ערך יחיד מרבי",
+    "Maximum total size": "גודל כולל מרבי",
+    "Metadata Only": "מטא-נתונים בלבד",
+    "Minimum Free Disk Space": "שטח דיסק פנוי מזערי",
+    "Mod. Device": "שנה התקן",
+    "Mod. Time": "זמן שינוי",
+    "More than a month ago": "לפני יותר מחודש",
+    "More than a week ago": "לפני יותר משבוע",
+    "More than a year ago": "לפני יותר משנה",
+    "Move to top of queue": "העבר לראש התור",
+    "Multi level wildcard (matches multiple directory levels)": "תו כללי רב רמות (תואם רמות תיקייה מרובות)",
     "Never": "לעולם לא",
     "New Device": "התקן חדש",
-    "New Folder": "תיקיה חדשה",
+    "New Folder": "תיקייה חדשה",
     "Newest First": "החדש ביותר תחילה",
     "No": "לא",
+    "No File Versioning": "אין ניהול גרסאות קבצים",
+    "No files will be deleted as a result of this operation.": "לא יימחקו קבצים כתוצאה מפעולה זו.",
+    "No rules set": "לא נקבעו כללים",
+    "No upgrades": "אין שדרוגים",
+    "Not shared": "לא בשיתוף",
+    "Notice": "הודעה",
+    "Number of Connections": "מספר חיבורים",
     "OK": "אישור",
+    "Off": "כבוי",
     "Oldest First": "הישן ביותר תחילה",
+    "Optional descriptive label for the folder. Can be different on each device.": "תווית תיאורית אופציונלית עבור התיקייה. יכולה להיות שונה בכל התקן.",
     "Options": "אפשרויות",
     "Out of Sync": "לא מסונכרן",
     "Out of Sync Items": "פריטים לא מסונכרנים",
+    "Outgoing Rate Limit (KiB/s)": "מגבלת קצב יוצא (KiB/s)",
+    "Override": "דריסה",
+    "Override Changes": "דרוס שינויים",
+    "Ownership": "בעלות",
+    "Password": "סיסמה",
     "Path": "נתיב",
-    "Pause": "השהיה",
-    "Pause All": "להשהות הכול",
+    "Path to the folder on the local computer. Will be created if it does not exist. The tilde character (~) can be used as a shortcut for": "נתיב לתיקייה במחשב המקומי. תיווצר אם אינה קיימת. תו הטילדה (~) יכול לשמש כקיצור דרך עבור",
+    "Path where versions should be stored (leave empty for the default .stversions directory in the shared folder).": "הנתיב שבו יש לאחסן גרסאות (השאר ריק עבור תיקיית stversion. ברירת המחדל בתיקייה המשותפת).",
+    "Paths": "נתיבים",
+    "Pause": "השהה",
+    "Pause All": "השהה הכל",
     "Paused": "מושהה",
+    "Paused (Unused)": "מושהה (לא בשימוש)",
+    "Pending changes": "שינויים ממתינים",
+    "Periodic scanning at given interval and disabled watching for changes": "סריקה תקופתית בפרק זמן שניתן ומעקב אחר שינויים הושבת",
+    "Periodic scanning at given interval and enabled watching for changes": "סריקה תקופתית בפרק זמן שניתן ומעקב אחר שינויים הופעל",
+    "Periodic scanning at given interval and failed setting up watching for changes, retrying every 1m:": "סריקה תקופתית בפרק זמן שניתן והגדרת מעקב אחר שינויים נכשלה, מנסה שוב כל דקה:",
+    "Permanently add it to the ignore list, suppressing further notifications.": "הוסף אותו לצמיתות לרשימת ההתעלמות, תוך העלמת התראות נוספות.",
+    "Please consult the release notes before performing a major upgrade.": "נא לבדוק את הערות השחרור לפני ביצוע שדרוג עיקרי.",
+    "Please set a GUI Authentication User and Password in the Settings dialog.": "נא להגדיר משתמש וסיסמה לאימות ממשק גרפי בשיח ההגדרות.",
     "Please wait": "נא להמתין",
+    "Prefix indicating that the file can be deleted if preventing directory removal": "קידומת המציינת כי הקובץ ניתן למחיקה אם מונעים הסרת תיקייה",
+    "Prefix indicating that the pattern should be matched without case sensitivity": "קידומת המציינת כי יש להתאים את הדפוס ללא רגישות לרישיות",
+    "Preparing to Sync": "מתכונן לסנכרון",
+    "Preview": "תצוגה מקדימה",
+    "Preview Usage Report": "תצוגה מקדימה של דוח שימוש",
+    "QR code": "קוד QR",
+    "QUIC LAN": "QUIC LAN",
+    "QUIC WAN": "QUIC WAN",
+    "Quick guide to supported patterns": "מדריך מהיר לדפוסים נתמכים",
+    "Random": "אקראי",
+    "Receive Encrypted": "קבלה מוצפנת",
+    "Receive Only": "קבלה בלבד",
+    "Received data is already encrypted": "הנתונים שהתקבלו כבר מוצפנים",
+    "Recent Changes": "שינויים אחרונים",
+    "Reduced by ignore patterns": "הופחת על ידי דפוסי התעלמות",
+    "Relay LAN": "ממסר LAN",
+    "Relay WAN": "ממסר WAN",
+    "Release Notes": "הערות שחרור",
+    "Release candidates contain the latest features and fixes. They are similar to the traditional bi-weekly Syncthing releases.": "מועמדים לשחרור מכילים את התכונות והתיקונים העדכניים ביותר. הם דומים לשחרורים הדו־שבועיים המסורתיים של Syncthing.",
     "Remote Devices": "התקנים מרוחקים",
-    "Remove": "הסרה",
+    "Remote GUI": "ממשק גרפי מרוחק",
+    "Remove": "הסר",
+    "Remove Device": "הסר התקן",
+    "Remove Folder": "הסר תיקייה",
+    "Required identifier for the folder. Must be the same on all cluster devices.": "נדרש מזהה עבור התיקייה. חייב להיות אותו הדבר בכל התקני האשכול.",
     "Rescan": "סריקה מחדש",
-    "Rescan All": "לסרוק הכול",
-    "Save": "שמירה",
-    "Scanning": "כעת בסריקה",
-    "Send & Receive": "שליחה וקבלה",
+    "Rescan All": "סרוק הכל מחדש",
+    "Rescans": "סריקות מחדש",
+    "Restart": "הפעלה מחדש",
+    "Restart Needed": "נדרשת הפעלה מחדש",
+    "Restarting": "מפעיל מחדש",
+    "Restore": "שחזר",
+    "Restore Versions": "שחזר גרסאות",
+    "Resume": "המשך",
+    "Resume All": "המשך הכל",
+    "Reused": "בשימוש חוזר",
+    "Revert": "בטל",
+    "Revert Local Changes": "בטל שינויים מקומיים",
+    "Save": "שמור",
+    "Saving changes": "שומר שינויים",
+    "Scan Time Remaining": "זמן הסריקה שנותר",
+    "Scanning": "סורק",
+    "See external versioning help for supported templated command line parameters.": "ראה עזרה בנושא ניהול גרסאות חיצוני עבור פרמטרים תבניתיים הנתמכים בשורת הפקודה.",
+    "Select All": "בחר הכל",
+    "Select a version": "בחר גרסה",
+    "Select additional devices to share this folder with.": "בחר התקנים נוספים לשיתוף תיקייה זו.",
+    "Select additional folders to share with this device.": "בחר תיקיות נוספות לשיתוף עם התקן זה.",
+    "Select latest version": "בחר את הגרסה העדכנית ביותר",
+    "Select oldest version": "בחר את הגרסה הישנה ביותר",
+    "Send & Receive": "שליחה & קבלה",
+    "Send Extended Attributes": "שלח תכונות מורחבות",
     "Send Only": "שליחה בלבד",
-    "Share": "שיתוף",
-    "Share Folder": "שיתוף תיקיה",
-    "Share this folder?": "לשתף תיקיה זו?",
+    "Send Ownership": "שלח בעלות",
+    "Set Ignores on Added Folder": "הגדר התעלמויות על התיקייה שנוספה",
+    "Settings": "הגדרות",
+    "Share": "שתף",
+    "Share Folder": "שתף תיקייה",
+    "Share by Email": "שתף באמצעות דוא\"ל",
+    "Share by SMS": "שתף באמצעות מסרון",
+    "Share this folder?": "לשתף תיקייה זו?",
+    "Shared Folders": "תיקיות משותפות",
     "Shared With": "משותף עם",
-    "Show ID": "הצגת מזהה",
+    "Sharing": "שיתוף",
+    "Show ID": "הצג מזהה",
     "Show QR": "הצג QR",
+    "Show detailed discovery status": "הצג מצב גילוי מפורט",
+    "Show detailed listener status": "הצג מצב מאזין מפורט",
+    "Show diff with previous version": "הצג הבדל עם הגרסה הקודמת",
+    "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "מוצג במקום מזהה ההתקן במצב האשכול. יפורסם להתקנים אחרים כשם ברירת מחדל אופציונלי.",
+    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "מוצג במקום מזהה ההתקן במצב האשכול. יעודכן לשם שההתקן מפרסם אם נותר ריק.",
     "Shutdown": "כיבוי",
     "Shutdown Complete": "הכיבוי הושלם",
+    "Simple": "פשוט",
+    "Simple File Versioning": "ניהול גרסאות קבצים פשוט",
+    "Single level wildcard (matches within a directory only)": "תו כללי ברמה אחת (תואם בתוך תיקייה בלבד)",
+    "Size": "גודל",
     "Smallest First": "הקטן ביותר תחילה",
+    "Some discovery methods could not be established for finding other devices or announcing this device:": "לא היה ניתן להקים כמה שיטות גילוי למציאת התקנים אחרים או הכרזת התקן זה:",
+    "Some items could not be restored:": "לא היה ניתן לשחזר כמה פריטים:",
+    "Some listening addresses could not be enabled to accept connections:": "לא היה ניתן להפעיל כמה כתובות האזנה לקבלת חיבורים:",
     "Source Code": "קוד מקור",
+    "Stable releases and release candidates": "שחרורים יציבים ומועמדים לשחרור",
+    "Stable releases are delayed by about two weeks. During this time they go through testing as release candidates.": "שחרורים יציבים מתעכבים בערך בשבועיים. במהלך הזמן הזה הם עוברים בדיקות בתור מועמדים לשחרור.",
+    "Stable releases only": "שחרורים יציבים בלבד",
+    "Staggered": "מדורג",
+    "Staggered File Versioning": "ניהול גרסאות קבצים מדורג",
+    "Start Browser": "התחל דפדפן",
+    "Statistics": "סטטיסטיקה",
+    "Stay logged in": "הישאר מחובר",
+    "Stopped": "נעצר",
+    "Stores and syncs only encrypted data. Folders on all connected devices need to be set up with the same password or be of type \"{%receiveEncrypted%}\" too.": "מאחסן ומסנכרן נתונים מוצפנים בלבד. תיקיות בכל ההתקנים המחוברים צריכות להיות מוגדרות עם אותה הסיסמה או להיות גם מסוג \"{{receiveEncrypted}}\".",
+    "Subject:": "נושא:",
     "Support": "תמיכה",
-    "Syncing": "כעת בסנכרון",
+    "Support Bundle": "חבילת תמיכה",
+    "Sync Extended Attributes": "סנכרון תכונות מורחבות",
+    "Sync Ownership": "סנכרון בעלות",
+    "Sync Protocol Listen Addresses": "כתובות האזנה של פרוטוקול הסנכרון",
+    "Sync Status": "מצב סנכרון",
+    "Syncing": "מסנכרן",
+    "Syncthing device ID for \"{%devicename%}\"": "מזהה התקן Syncthing עבור \"{{devicename}}\"",
+    "Syncthing has been shut down.": "Syncthing כבה.",
+    "Syncthing includes the following software or portions thereof:": "Syncthing כולל את התוכנות הבאות או חלקים מהן:",
+    "Syncthing is Free and Open Source Software licensed as MPL v2.0.": "Syncthing היא תוכנה חופשית וקוד פתוח המורשית כ־MPL v2.0.",
+    "Syncthing is a continuous file synchronization program. It synchronizes files between two or more computers in real time, safely protected from prying eyes. Your data is your data alone and you deserve to choose where it is stored, whether it is shared with some third party, and how it's transmitted over the internet.": "Syncthing היא תוכנת סנכרון רציף של קבצים. היא מסנכרנת קבצים בין שני מחשבים או יותר בזמן אמת, מוגנים בבטחה מפני עיניים חטטניות. הנתונים שלך הם הנתונים שלך בלבד ומגיע לך לבחור היכן הם מאוחסנים, אם הם משותפים עם צד שלישי כלשהו, ואיך הם משודרים על גבי האינטרנט.",
+    "Syncthing is listening on the following network addresses for connection attempts from other devices:": "Syncthing מאזין בכתובות הרשת הבאות לניסיונות חיבור מהתקנים אחרים:",
+    "Syncthing is not listening for connection attempts from other devices on any address.  Only outgoing connections from this device may work.": "Syncthing אינו מאזין לניסיונות חיבור מהתקנים אחרים בכתובת כלשהי.  רק חיבורים יוצאים מהתקן זה עשויים לעבוד.",
+    "Syncthing is restarting.": "Syncthing מופעל מחדש.",
+    "Syncthing is saving changes.": "Syncthing שומר שינויים.",
+    "Syncthing is upgrading.": "Syncthing משתדרג.",
+    "Syncthing now supports automatically reporting crashes to the developers. This feature is enabled by default.": "Syncthing עכשיו תומך בדיווח קריסות באופן אוטומטי למפתחים. תכונה זו מופעלת כברירת מחדל.",
+    "Syncthing seems to be down, or there is a problem with your Internet connection. Retrying…": "נראה כי Syncthing נפל, או שיש בעיה עם חיבור האינטרנט שלך. מנסה שוב…",
+    "Syncthing seems to be experiencing a problem processing your request. Please refresh the page or restart Syncthing if the problem persists.": "נראה כי Syncthing חווה בעיה בעיבוד הבקשה שלך. נא לרענן את הדף או להפעיל מחדש את Syncthing אם הבעיה נמשכת.",
+    "TCP LAN": "TCP LAN",
+    "TCP WAN": "TCP WAN",
+    "Take me back": "קח אותי בחזרה",
+    "The GUI address is overridden by startup options. Changes here will not take effect while the override is in place.": "הכתובת של הממשק הגרפי נעקפת על ידי אפשרויות הפעלה. שינויים כאן לא ייכנסו לתוקף כל עוד המעקף נמצא במקום.",
+    "The Syncthing Authors": "מחברי Syncthing",
+    "The Syncthing admin interface is configured to allow remote access without a password.": "ממשק המנהל של Syncthing מוגדר לאפשר גישה מרוחקת ללא סיסמה.",
+    "The aggregated statistics are publicly available at the URL below.": "הסטטיסטיקות המצטברות זמינות לציבור בכתובת ה־URL למטה.",
+    "The cleanup interval cannot be blank.": "פרק זמן לניקוי אינו יכול להיות ריק.",
+    "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "התצורה נשמרה אבל לא הופעלה. יש לאתחל את Syncthing כדי להפעיל את התצורה החדשה.",
+    "The device ID cannot be blank.": "מזהה ההתקן אינו יכול להיות ריק.",
+    "The device ID to enter here can be found in the \"Actions > Show ID\" dialog on the other device. Spaces and dashes are optional (ignored).": "ניתן למצוא את מזהה ההתקן אותו יש להזין כאן בדו־השיח \"פעולות > הצג מזהה\" בהתקנים האחרים. רווחים ומקפים הם אופציונליים (מוזנחים).",
+    "The encrypted usage report is sent daily. It is used to track common platforms, folder sizes, and app versions. If the reported data set is changed you will be prompted with this dialog again.": "דוח השימוש המוצפן נשלח מדי יום. הוא משמש למעקב אחר פלטפורמות שכיחות, גדלי תיקיות, וגרסאות יישום. אם מערך הנתונים המדווח ישתנה, תתבקש עם דו-שיח זה שוב.",
+    "The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.": "מזהה ההתקן שהוזן לא נראה חוקי. הוא צריך להיות מחרוזת באורך 52 או 56 תווים המורכבת מאותיות ומספרים, כאשר רווחים ומקפים הם אופציונליים.",
+    "The folder ID cannot be blank.": "מזהה התיקייה לא יכול להיות ריק.",
+    "The folder ID must be unique.": "מזהה התיקייה חייב להיות ייחודי.",
+    "The folder content on other devices will be overwritten to become identical with this device. Files not present here will be deleted on other devices.": "תוכן התיקייה בהתקנים אחרים יידרס כדי להפוך לזהה עם התקן זה. קבצים שלא נוכחים כאן יימחקו בהתקנים אחרים.",
+    "The folder content on this device will be overwritten to become identical with other devices. Files newly added here will be deleted.": "תוכן התיקייה בהתקן זה יידרס כדי להפוך לזהה עם התקנים אחרים. קבצים חדשים שנוספו כאן יימחקו.",
+    "The folder path cannot be blank.": "נתיב התיקייה אינו יכול להיות ריק.",
+    "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "נעשה שימוש בפרקי הזמן הבאים: במשך השעה הראשונה נשמרת גרסה כל 30 שניות, במשך היום הראשון נשמרת גרסה כל שעה, במשך 30 הימים הראשונים נשמרת גרסה כל יום, עד הגיל המרבי נשמרת גרסה כל שבוע.",
+    "The following items could not be synchronized.": "לא היה ניתן לסנכרן את הפריטים הבאים.",
+    "The following items were changed locally.": "הפריטים הבאים שונו מקומית.",
+    "The following methods are used to discover other devices on the network and announce this device to be found by others:": "נעשה שימוש בשיטות הבאות כדי לגלות התקנים אחרים ברשת ולהכריז על התקן זה כדי שימצא על ידי אחרים:",
+    "The following text will automatically be inserted into a new message.": "הטקסט הבא יוכנס באופן אוטומטי לתוך הודעה חדשה.",
+    "The following unexpected items were found.": "הפריטים הבלתי צפויים הבאים נמצאו.",
+    "The interval must be a positive number of seconds.": "פרק הזמן חייב להיות מספר חיובי של שניות.",
+    "The interval, in seconds, for running cleanup in the versions directory. Zero to disable periodic cleaning.": "פרק הזמן, בשניות, להרצת ניקוי בתיקיית הגרסאות. אפס כדי להשבית ניקוי תקופתי.",
+    "The maximum age must be a number and cannot be blank.": "הגיל המרבי חייב להיות מספר ואינו יכול להיות ריק.",
+    "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "הזמן המרבי לשמירת גרסה (בימים, הגדר ל־0 כדי להשאיר גרסאות לנצח).",
+    "The number of connections must be a non-negative number.": "מספר החיבורים חייב להיות מספר לא שלילי.",
+    "The number of days must be a number and cannot be blank.": "מספר הימים חייב להיות מספר ואינו יכול להיות ריק.",
+    "The number of days to keep files in the trash can. Zero means forever.": "מספר הימים לשמירת קבצים בפח האשפה. אפס פירושו לנצח.",
+    "The number of old versions to keep, per file.": "המספר של גרסאות ישנות שיש לשמור, לכל קובץ.",
+    "The number of versions must be a number and cannot be blank.": "מספר הגרסאות חייב להיות מספר ואינו יכול להיות ריק.",
+    "The path cannot be blank.": "הנתיב אינו יכול להיות ריק.",
+    "The rate limit is applied to the accumulated traffic of all connections to this device.": "מגבלת הקצב מוחלת על התעבורה המצטברת של כל החיבורים להתקן זה.",
+    "The rate limit must be a non-negative number (0: no limit)": "מגבלת הקצב חייבת להיות מספר לא שלילי (0: ללא הגבלה)",
+    "The remote device has not accepted sharing this folder.": "ההתקן המרוחק לא קיבל את שיתוף תיקייה זו.",
+    "The remote device has paused this folder.": "ההתקן המרוחק השהה את התיקייה הזו.",
+    "The rescan interval must be a non-negative number of seconds.": "פרק הזמן לסריקה מחדש חייב להיות מספר לא שלילי של שניות.",
+    "There are no devices to share this folder with.": "אין התקנים לשיתוף תיקייה זו.",
+    "There are no file versions to restore.": "אין גרסאות קובץ לשחזור.",
+    "There are no folders to share with this device.": "אין תיקיות לשיתוף עם התקן זה.",
+    "They are retried automatically and will be synced when the error is resolved.": "הם מנוסים מחדש באופן אוטומטי ויסונכרנו כאשר השגיאה תיפתר.",
+    "This Device": "התקן זה",
+    "This Month": "החודש הזה",
+    "This can easily give hackers access to read and change any files on your computer.": "זה יכול לתת בקלות להאקרים גישה לקרוא ולשנות את כל הקבצים במחשב שלך.",
+    "This device cannot automatically discover other devices or announce its own address to be found by others.  Only devices with statically configured addresses can connect.": "התקן זה לא יכול לגלות באופן אוטומטי התקנים אחרים ולהכריז על כתובת משלו כדי שימצא על ידי אחרים.  רק התקנים עם כתובות מוגדרות סטטית יכולים להתחבר.",
+    "This is a major version upgrade.": "זהו שדרוג גרסה עיקרית.",
+    "This setting controls the free space required on the home (i.e., index database) disk.": "הגדרה זו שולטת במקום הפנוי הנדרש בדיסק הבית (כלומר, אינדקס של מסד נתונים).",
+    "Time": "זמן",
+    "Time the item was last modified": "זמן השינוי האחרון של הפריט",
+    "To connect with the Syncthing device named \"{%devicename%}\", add a new remote device on your end with this ID:": "כדי להתחבר עם התקן Syncthing בשם \"{{devicename}}\", הוסף התקן מרוחק חדש בקצה שלך עם מזהה זה:",
+    "To permit a rule, have the checkbox checked. To deny a rule, leave it unchecked.": "כדי להתיר כלל, סמן את תיבת הסימון. כדי לשלול כלל, השאר אותה לא מסומנת.",
+    "Today": "היום",
+    "Trash Can": "פח אשפה",
+    "Trash Can File Versioning": "ניהול גרסאות קבצים עם פח אשפה",
+    "Type": "סוג",
+    "UNIX Permissions": "הרשאות UNIX",
+    "Unavailable": "לא זמין",
+    "Unavailable/Disabled by administrator or maintainer": "לא זמין/מושבת על ידי מנהל או מתחזק",
+    "Undecided (will prompt)": "לא הוחלט (יתבקש)",
+    "Unexpected Items": "פריטים בלתי צפויים",
+    "Unexpected items have been found in this folder.": "פריטים בלתי צפויים נמצאו בתיקייה זו.",
+    "Unignore": "בטל התעלמות",
+    "Unknown": "לא ידוע",
+    "Unshared": "לא משותף",
+    "Unshared Devices": "התקנים לא משותפים",
+    "Unshared Folders": "תיקיות לא משותפות",
+    "Untrusted": "לא מהימן",
+    "Up to Date": "מעודכן",
+    "Updated {%file%}": "{{file}} עודכן",
     "Upgrade": "שדרוג",
-    "Upgrade To {%version%}": "שדרוג לגרסה {{version}}",
-    "Upgrading": "כעת בשדרוג",
+    "Upgrade To {%version%}": "שדרג ל־{{version}}",
+    "Upgrading": "משדרג",
     "Upload Rate": "קצב העלאה",
     "Uptime": "זמן פעולה",
-    "Use HTTPS for GUI": "שימוש ב־HTTP לממשק המשתמש",
+    "Usage reporting is always enabled for candidate releases.": "דיווח שימוש תמיד מופעל עבור מועמדים לשחרור.",
+    "Use HTTPS for GUI": "השתמש ב־HTTPS עבור ממשק גרפי",
+    "Use notifications from the filesystem to detect changed items.": "השתמש בהתראות ממערכת הקבצים כדי לגלות פריטים שהשתנו.",
+    "User": "משתמש",
+    "User Home": "תיקיית הבית של המשתמש",
+    "Username/Password has not been set for the GUI authentication. Please consider setting it up.": "שם משתמש/סיסמה לא הוגדרו עבור אימות הממשק הגרפי. נא לשקול להגדיר אותם.",
+    "Using a QUIC connection over LAN": "משתמש בחיבור QUIC על גבי LAN",
+    "Using a QUIC connection over WAN": "משתמש בחיבור QUIC על גבי WAN",
+    "Using a direct TCP connection over LAN": "משתמש בחיבור TCP ישיר על גבי LAN",
+    "Using a direct TCP connection over WAN": "משתמש בחיבור TCP ישיר על גבי WAN",
     "Version": "גרסה",
+    "Versions": "גרסאות",
+    "Versions Path": "נתיב גרסאות",
+    "Versions are automatically deleted if they are older than the maximum age or exceed the number of files allowed in an interval.": "גרסאות נמחקות באופן אוטומטי אם הן ישנות יותר מהגיל המרבי או חורגות ממספר הקבצים המותרים בפרק זמן.",
+    "Waiting to Clean": "ממתין לנקות",
+    "Waiting to Scan": "ממתין לסריקה",
+    "Waiting to Sync": "ממתין לסנכרון",
+    "Warning": "אזהרה",
+    "Warning, this path is a parent directory of an existing folder \"{%otherFolder%}\".": "אזהרה, הנתיב הזה הוא תיקיית אב של תיקייה קיימת \"{{otherFolder}}\".",
+    "Warning, this path is a parent directory of an existing folder \"{%otherFolderLabel%}\" ({%otherFolder%}).": "אזהרה, הנתיב הזה הוא תיקיית אב של תיקייה קיימת \"{{otherFolderLabel}}\" ({{otherFolder}}).",
+    "Warning, this path is a subdirectory of an existing folder \"{%otherFolder%}\".": "אזהרה, הנתיב הזה הוא תיקיית משנה של תיקייה קיימת \"{{otherFolder}}\".",
+    "Warning, this path is a subdirectory of an existing folder \"{%otherFolderLabel%}\" ({%otherFolder%}).": "אזהרה, הנתיב הזה הוא תיקיית משנה של תיקייה קיימת \"{{otherFolderLabel}}\" ({{otherFolder}}).",
+    "Warning: If you are using an external watcher like {%syncthingInotify%}, you should make sure it is deactivated.": "אזהרה: אם אתה משתמש במשגיח חיצוני כמו {{syncthingInotify}}, עליך לוודא שהוא מושבת.",
+    "Watch for Changes": "עקוב אחר שינויים",
+    "Watching for Changes": "מעקב אחר שינויים",
+    "Watching for changes discovers most changes without periodic scanning.": "מעקב אחר שינויים מגלה את רוב השינויים ללא סריקה תקופתית.",
+    "When adding a new device, keep in mind that this device must be added on the other side too.": "בעת הוספת התקן חדש, זכור כי יש להוסיף את ההתקן הזה גם בצד השני.",
+    "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "בעת הוספת תיקייה חדשה, זכור כי מזהה התיקייה משמש לקשירת תיקיות יחד בין התקנים. הם רגישים לרישיות וצריכים להתאים בדיוק בין כל ההתקנים.",
+    "When set to more than one on both devices, Syncthing will attempt to establish multiple concurrent connections. If the values differ, the highest will be used. Set to zero to let Syncthing decide.": "כאשר מוגדר ליותר מאחד בשני ההתקנים, Syncthing ינסה להקים חיבורים בו-זמניים מרובים. אם הערכים שונים, ייעשה שימוש בערך הגבוה ביותר. הגדר לאפס כדי לתת ל־Syncthing להחליט.",
     "Yes": "כן",
-    "You must keep at least one version.": "חובה לשמור גרסה אחת לפחות.",
+    "Yesterday": "אתמול",
+    "You can also copy and paste the text into a new message manually.": "אתה יכול גם להעתיק ולהדביק את הטקסט לתוך הודעה חדשה באופן ידני.",
+    "You can also select one of these nearby devices:": "אתה יכול גם לבחור אחד מההתקנים הקרובים הבאים:",
+    "You can change your choice at any time in the Settings dialog.": "אתה יכול לשנות את הבחירה שלך בכל עת בדו־שיח ההגדרות.",
+    "You can read more about the two release channels at the link below.": "אתה יכול לקרוא עוד על שני ערוצי השחרור בקישור למטה.",
+    "You have no ignored devices.": "אין לך התקנים בהתעלמות.",
+    "You have no ignored folders.": "אין לך תיקיות בהתעלמות.",
+    "You have unsaved changes. Do you really want to discard them?": "יש לך שינויים שלא נשמרו. האם אתה באמת רוצה להשליך אותם?",
+    "You must keep at least one version.": "אתה חייב להשאיר לפחות גרסה אחת.",
+    "You should never add or change anything locally in a \"{%receiveEncrypted%}\" folder.": "לעולם אל תוסיף או תשנה כלום באופן מקומי בתיקיית \"{{receiveEncrypted}}\".",
+    "Your SMS app should open to let you choose the recipient and send it from your own number.": "יישום המסרונים שלך צריך להיפתח כדי לתת לך לבחור את הנמען ולשלוח את המסרון מהמספר שלך.",
+    "Your email app should open to let you choose the recipient and send it from your own address.": "יישום הדוא\"ל שלך צריך להיפתח כדי לתת לך לבחור את הנמען ולשלוח את ההודעה מהכתובת שלך.",
     "days": "ימים",
+    "deleted": "נמחק",
+    "deny": "לשלול",
+    "directories": "תיקיות",
+    "file": "קובץ",
     "files": "קבצים",
+    "folder": "תיקייה",
     "full documentation": "תיעוד מלא",
-    "items": "פריטים"
+    "items": "פריטים",
+    "modified": "שונה",
+    "permit": "היתר",
+    "seconds": "שניות",
+    "theme": {
+        "name": {
+            "black": "שחור",
+            "dark": "כהה",
+            "default": "ברירת מחדל",
+            "light": "בהיר"
+        }
+    },
+    "unknown device": "התקן לא ידוע",
+    "{%device%} wants to share folder \"{%folder%}\".": "{{device}} רוצה לשתף את התיקייה \"{{folder}}\".",
+    "{%device%} wants to share folder \"{%folderlabel%}\" ({%folder%}).": "{{device}} רוצה לשתף את התיקייה \"{{folderlabel}}\" ({{folder}}).",
+    "{%reintroducer%} might reintroduce this device.": "{{reintroducer}} עשוי להציג מחדש את ההתקן הזה."
 }

gui/default/assets/lang/lang-it.json

@@ -27,6 +27,7 @@
     "Allowed Networks": "Reti Consentite",
     "Alphabetic": "Alfabetico",
     "Altered by ignoring deletes.": "Modificato ignorando le eliminazioni.",
+    "Always turned on when the folder type is \"{%foldertype%}\".": "Sempre attivato quando il tipo di cartella è \"{{foldertype}}\".",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "Il controllo versione è gestito da un comando esterno. Quest'ultimo deve rimuovere il file dalla cartella condivisa. Se il percorso dell'applicazione contiene spazi, deve essere indicato tra virgolette.",
     "Anonymous Usage Reporting": "Statistiche Anonime di Utilizzo",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "Il formato delle statistiche anonime di utilizzo è cambiato. Vuoi passare al nuovo formato?",
@@ -52,6 +53,7 @@
     "Body:": "Corpo:",
     "Bugs": "Bug",
     "Cancel": "Annulla",
+    "Cannot be enabled when the folder type is \"{%foldertype%}\".": "Non può essere abilitato se il tipo di cartella è \"{{foldertype}}\".",
     "Changelog": "Registro modifiche",
     "Clean out after": "Svuota dopo",
     "Cleaning Versions": "Pulizia Versioni",

gui/default/assets/lang/lang-ja.json

@@ -58,6 +58,7 @@
     "Configured": "設定値",
     "Connected (Unused)": "接続中 (未使用)",
     "Connection Error": "接続エラー",
+    "Connection Management": "接続管理",
     "Connection Type": "接続種別",
     "Connections": "接続",
     "Connections via relays might be rate limited by the relay": "中継サーバー経由の通信では、中継サーバーによる帯域制限が行われる場合があります",
@@ -86,7 +87,7 @@
     "Device ID": "デバイスID",
     "Device Identification": "デバイスID",
     "Device Name": "デバイス名",
-    "Device rate limits": "デバイス速度制限",
+    "Device rate limits": "デバイス帯域制限",
     "Device that last modified the item": "項目を最後に変更したデバイス",
     "Devices": "デバイス",
     "Disable Crash Reporting": "クラッシュレポートを無効にする",
@@ -220,6 +221,7 @@
     "No upgrades": "アップグレードしない",
     "Not shared": "非共有",
     "Notice": "通知",
+    "Number of Connections": "接続数",
     "OK": "OK",
     "Off": "オフ",
     "Oldest First": "古い順",
@@ -368,6 +370,7 @@
     "The number of old versions to keep, per file.": "ファイルごとに古いバージョンをいくつ保持するかを指定します。",
     "The number of versions must be a number and cannot be blank.": "保持するバージョン数は数値を指定してください。空欄にはできません。",
     "The path cannot be blank.": "パスを入力してください。",
+    "The rate limit is applied to the accumulated traffic of all connections to this device.": "帯域制限は、このデバイスへのすべての接続の累計トラフィックに適用されます。",
     "The rate limit must be a non-negative number (0: no limit)": "帯域制限値は0以上で指定して下さい。 (0で無制限)",
     "The remote device has not accepted sharing this folder.": "接続先デバイスはこのフォルダーの共有を承諾していません。",
     "The remote device has paused this folder.": "接続先デバイスはこのフォルダーを一時停止中です。",
@@ -427,6 +430,7 @@
     "Watching for changes discovers most changes without periodic scanning.": "変更の監視は、定期スキャンを行わずにほとんどの変更を検出できます。",
     "When adding a new device, keep in mind that this device must be added on the other side too.": "新しいデバイスを追加する際は、相手側デバイスにもこのデバイスを追加してください。",
     "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "新しいフォルダーを追加する際、フォルダーIDはデバイス間でフォルダーの対応づけに使われることに注意してください。フォルダーIDは大文字と小文字が区別され、共有するすべてのデバイスの間で完全に一致しなくてはなりません。",
+    "When set to more than one on both devices, Syncthing will attempt to establish multiple concurrent connections. If the values differ, the highest will be used. Set to zero to let Syncthing decide.": "両方のデバイスで1より高い値に設定すると、Syncthingは複数同時接続を確立しようとします。値が異なる場合は、最も高い値が使用されます。Syncthingに決定させる場合は、「0」を設定します。",
     "Yes": "はい",
     "Yesterday": "昨日",
     "You can also select one of these nearby devices:": "近くに検出された以下のデバイスの一つを選択できます。",

gui/default/assets/lang/lang-ko-KR.json

@@ -1,5 +1,5 @@
 {
-    "A device with that ID is already added.": "이 식별자를 가진 기기가 이미 추가되어 있습니다.",
+    "A device with that ID is already added.": "이 아이디를 가진 기기가 이미 추가되어 있습니다.",
     "A negative number of days doesn't make sense.": "일수를 음수로 입력하는 것은 올바르지 않습니다.",
     "A new major version may not be compatible with previous versions.": "새로운 주요 버전이 이전 버전들과 호환되지 않을 수 있습니다.",
     "API Key": "API 키",
@@ -56,7 +56,7 @@
     "Clean out after": "보관 기간",
     "Cleaning Versions": "버전 정리",
     "Cleanup Interval": "정리 간격",
-    "Click to see full identification string and QR code.": "기기 식별자 전체 및 QR 코드 보기",
+    "Click to see full identification string and QR code.": "기기 아이디 전체 및 QR 코드 보기",
     "Close": "닫기",
     "Command": "명령",
     "Comment, when used at the start of a line": "주석(줄 앞에 사용할 때)",
@@ -96,8 +96,8 @@
     "Device": "기기",
     "Device \"{%name%}\" ({%device%} at {%address%}) wants to connect. Add new device?": "\"{{name}}\" ({{device}} 기기가 {{address}}) 주소에서 접속을 요청했습니다. 새 기기를 추가하시겠습니까?",
     "Device Certificate": "기기 인증서",
-    "Device ID": "기기 식별자",
-    "Device Identification": "기기 식별자",
+    "Device ID": "기기 아이디",
+    "Device Identification": "기기 아이디",
     "Device Name": "기기명",
     "Device Status": "기기 상태",
     "Device is untrusted, enter encryption password": "신뢰하지 않는 기기입니다; 암호화 비밀번호를 입력하십시오",
@@ -166,7 +166,7 @@
     "Filter by date": "날짜별 검색",
     "Filter by name": "이름별 검색",
     "Folder": "폴더",
-    "Folder ID": "폴더 식별자",
+    "Folder ID": "폴더 아이디",
     "Folder Label": "폴더명",
     "Folder Path": "폴더 경로",
     "Folder Status": "폴더 상태",
@@ -194,7 +194,7 @@
     "Hint: only deny-rules detected while the default is deny. Consider adding \"permit any\" as last rule.": "참고: 기본값은 '거부'이면서 거부 규칙만이 발견되었습니다. '모두 허용' 규칙을 가장 마지막 자리에 추가하는 것이 좋습니다.",
     "Home page": "홈페이지",
     "However, your current settings indicate you might not want it enabled. We have disabled automatic crash reporting for you.": "다만, 현재 설정에 의하면 이 기능을 활성화하고 싶지 않을 확률이 높습니다. 따라서 자동 충돌 보고를 비활성화시켰습니다.",
-    "Identification": "식별자",
+    "Identification": "아이디",
     "If untrusted, enter encryption password": "신뢰하지 않으면 암호화 비밀번호를 입력하십시오",
     "If you want to prevent other users on this computer from accessing Syncthing and through it your files, consider setting up authentication.": "현재 컴퓨터의 다른 사용자로부터 Syncthing과 이를 통한 파일 접속을 차단하려면 인증을 설정하는 것이 좋습니다.",
     "Ignore": "무시",
@@ -322,7 +322,7 @@
     "Remove": "제거",
     "Remove Device": "기기 제거",
     "Remove Folder": "폴더 제거",
-    "Required identifier for the folder. Must be the same on all cluster devices.": "필수로 필요한 폴더의 식별자입니다. 모든 기기에서 동일해야 합니다.",
+    "Required identifier for the folder. Must be the same on all cluster devices.": "필수로 필요한 폴더의 아이디입니다. 모든 기기에서 동일해야 합니다.",
     "Rescan": "재탐색",
     "Rescan All": "모두 재탐색",
     "Rescans": "재탐색",
@@ -361,13 +361,13 @@
     "Shared Folders": "공유된 폴더",
     "Shared With": "공유된 기기",
     "Sharing": "공유",
-    "Show ID": "기기 식별자 보기",
+    "Show ID": "기기 아이디 보기",
     "Show QR": "QR 코드 보기",
     "Show detailed discovery status": "탐지 현황 상세 보기",
     "Show detailed listener status": "대기자 현황 상세 보기",
     "Show diff with previous version": "이전 버전과의 diff 보기",
-    "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "기기 식별자를 대신해 기기 목록에서 나타납니다. 다른 기기에 선택적 기본값 이름으로 통보됩니다.",
-    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "기기 식별자를 대신해 기기 목록에서 나타납니다. 비워 둘 경우 다른 기기에서 통보받은 이름으로 갱신됩니다.",
+    "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "기기 아이디를 대신해 기기 목록에서 나타납니다. 다른 기기에 선택적 기본값 이름으로 통보됩니다.",
+    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "기기 아이디를 대신해 기기 목록에서 나타납니다. 비워 둘 경우 다른 기기에서 통보받은 이름으로 갱신됩니다.",
     "Shutdown": "종료",
     "Shutdown Complete": "종료 완료",
     "Simple": "간단",
@@ -397,7 +397,7 @@
     "Sync Protocol Listen Addresses": "동기화 규약 대기 주소",
     "Sync Status": "동기화 현황",
     "Syncing": "동기화",
-    "Syncthing device ID for \"{%devicename%}\"": "\"{{devicename}}\" 기기의 Syncthing 식별자",
+    "Syncthing device ID for \"{%devicename%}\"": "\"{{devicename}}\" 기기의 Syncthing 아이디",
     "Syncthing has been shut down.": "Syncthing이 종료되었습니다.",
     "Syncthing includes the following software or portions thereof:": "Syncthing은 다음과 같은 소프트웨어 또는 그 일부를 포함합니다.",
     "Syncthing is Free and Open Source Software licensed as MPL v2.0.": "Syncthing은 MPL v2.0으로 허가된 자유-오픈 소스 소프트웨어입니다.",
@@ -419,12 +419,12 @@
     "The aggregated statistics are publicly available at the URL below.": "수집된 통계는 아래의 주소에서 공람할 수 있습니다.",
     "The cleanup interval cannot be blank.": "정리 간격은 비워 둘 수 없습니다.",
     "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "설정이 저장되었으나 아직 활성화되지 않았습니다. 새 설정을 활성화하려면 Syncthing을 재시작하십시오.",
-    "The device ID cannot be blank.": "기기 식별자는 비워 둘 수 없습니다.",
-    "The device ID to enter here can be found in the \"Actions > Show ID\" dialog on the other device. Spaces and dashes are optional (ignored).": "이 자리에 입력할 기기 식별자는 다른 기기의 \"동작 > 기기 식별자 보기\"에서 찾을 수 있습니다. 공백과 하이픈은 선택적입니다(무시됩니다).",
+    "The device ID cannot be blank.": "기기 아이디는 비워 둘 수 없습니다.",
+    "The device ID to enter here can be found in the \"Actions > Show ID\" dialog on the other device. Spaces and dashes are optional (ignored).": "이 자리에 입력할 기기 아이디는 다른 기기의 \"동작 > 기기 아이디 보기\"에서 찾을 수 있습니다. 공백과 하이픈은 선택적입니다(무시됩니다).",
     "The encrypted usage report is sent daily. It is used to track common platforms, folder sizes, and app versions. If the reported data set is changed you will be prompted with this dialog again.": "암호화된 사용 보고서는 매일 전송됩니다. 사용 중인 운영체제, 폴더 크기와 응용 프로그램의 버전을 추적하기 위해서입니다. 만일 보고되는 정보가 변경되면 이 알림창이 다시 표시될 예정입니다.",
-    "The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.": "입력한 기기 식별자가 올바르지 않습니다. 52 또는 56자의 알파벳과 숫자로 구성되어야 하며, 공백과 하이픈은 선택적입니다.",
-    "The folder ID cannot be blank.": "폴더 식별자는 비워 둘 수 없습니다.",
-    "The folder ID must be unique.": "폴더 식별자는 유일무이해야 합니다.",
+    "The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.": "입력한 기기 아이디가 올바르지 않습니다. 52 또는 56자의 알파벳과 숫자로 구성되어야 하며, 공백과 하이픈은 선택적입니다.",
+    "The folder ID cannot be blank.": "폴더 아이디는 비워 둘 수 없습니다.",
+    "The folder ID must be unique.": "폴더 아이디는 유일무이해야 합니다.",
     "The folder content on other devices will be overwritten to become identical with this device. Files not present here will be deleted on other devices.": "다른 기기의 폴더 내용을 현재 기기와 동일하도록 덮어씁니다. 현재 기기에 존재하지 않는 파일은 다른 기기에서 모두 삭제됩니다.",
     "The folder content on this device will be overwritten to become identical with other devices. Files newly added here will be deleted.": "현재 기기의 폴더 내용을 다른 기기와 동일하도록 덮어씁니다. 현재 기기에서 새로 추가한 파일은 모두 삭제됩니다.",
     "The folder path cannot be blank.": "폴더 경로는 비워 둘 수 없습니다.",
@@ -461,7 +461,7 @@
     "This setting controls the free space required on the home (i.e., index database) disk.": "이 설정은 시스템(즉, 인덱스 데이터베이스가 있는) 저장 장치의 여유 공간을 관리합니다.",
     "Time": "시간",
     "Time the item was last modified": "항목이 가장 최근에 수정된 시간",
-    "To connect with the Syncthing device named \"{%devicename%}\", add a new remote device on your end with this ID:": "\"{{devicename}}\" 기기와 연동하려면 아래의 식별자를 이용해 본인의 기기에서 새로운 기기를 추가하십시오.",
+    "To connect with the Syncthing device named \"{%devicename%}\", add a new remote device on your end with this ID:": "\"{{devicename}}\" 기기와 연동하려면 아래의 아이디를 이용해 본인의 기기에서 새로운 기기를 추가하십시오.",
     "To permit a rule, have the checkbox checked. To deny a rule, leave it unchecked.": "규칙을 허용하려면 네모칸을 체크하십시오. 거부하려면 체크하지 마십시오.",
     "Today": "오늘",
     "Trash Can": "휴지통",
@@ -513,7 +513,7 @@
     "Watching for Changes": "변경 항목 감시",
     "Watching for changes discovers most changes without periodic scanning.": "변경 항목 감시는 주기적으로 탐색하지 않아도 대부분의 변경 항목을 탐지합니다.",
     "When adding a new device, keep in mind that this device must be added on the other side too.": "새 기기를 추가할 때는 추가한 기기에서도 현재 기기를 추가해야 합니다.",
-    "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "새 폴더를 추가할 때 폴더 식별자는 기기 간에 폴더를 묶어줍니다. 대소문자가 구분되며 모든 기기에서 동일해야 합니다.",
+    "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "새 폴더를 추가할 때 폴더 아이디는 기기 간에 폴더를 묶어줍니다. 대소문자가 구분되며 모든 기기에서 동일해야 합니다.",
     "When set to more than one on both devices, Syncthing will attempt to establish multiple concurrent connections. If the values differ, the highest will be used. Set to zero to let Syncthing decide.": "양쪽 기기에서 둘 이상으로 설정하면 Syncthing은 여러 개의 동시 연결을 설정하려고 시도합니다. 값이 서로 다르면 가장 높은 수가 적용됩니다. Syncthing이 결정하도록 하려면 0으로 설정하십시오.",
     "Yes": "예",
     "Yesterday": "어제",

gui/default/assets/lang/lang-lt.json

@@ -6,11 +6,14 @@
     "About": "Apie programą",
     "Action": "Veiksmas",
     "Actions": "Veiksmai",
+    "Active filter rules": "Aktyvios filtro taisyklės",
     "Add": "Pridėti",
     "Add Device": "Pridėti įrenginį",
     "Add Folder": "Pridėti aplanką",
     "Add Remote Device": "Pridėti nuotolinį įrenginį",
     "Add devices from the introducer to our device list, for mutually shared folders.": "Pridėti įrenginius iš supažindintojo į mūsų įrenginių sąrašą, siekiant abipusiškai bendrinti aplankus.",
+    "Add filter entry": "Pridėti filtro įrašą",
+    "Add ignore patterns": "Pridėti ignoravimo šablonų",
     "Add new folder?": "Pridėti naują aplanką?",
     "Additionally the full rescan interval will be increased (times 60, i.e. new default of 1h). You can also configure it manually for every folder later after choosing No.": "Pilnas nuskaitymo iš naujo intervalas bus papildomai padidintas (60 kartų, t.y. nauja numatytoji 1 val. reikšmė). Taip pat vėliau, pasirinkę Ne, galite jį konfigūruoti rankiniu būdu kiekvienam atskiram aplankui.",
     "Address": "Adresas",
@@ -45,6 +48,7 @@
     "Automatically create or share folders that this device advertises at the default path.": "Automatiškai sukurti ar bendrinti aplankus, kuriuos šis įrenginys skelbia numatytajame kelyje.",
     "Available debug logging facilities:": "Prieinamos derinimo registravimo priemonės:",
     "Be careful!": "Būkite atsargūs!",
+    "Body:": "Turinys:",
     "Bugs": "Klaidos",
     "Cancel": "Atsisakyti",
     "Changelog": "Keitinių žurnalas",
@@ -63,6 +67,7 @@
     "Connection Management": "Ryšių valdymas",
     "Connection Type": "Ryšio tipas",
     "Connections": "Ryšiai",
+    "Connections via relays might be rate limited by the relay": "Ryšiai per tarpinius mazgus gali būti ribojami pagal užklausų skaičių per laiko vienetą",
     "Continuously watching for changes is now available within Syncthing. This will detect changes on disk and issue a scan on only the modified paths. The benefits are that changes are propagated quicker and that less full scans are required.": "Pastoviai stebėti pakeitimus dabar galima Syncthing viduje. Tai aptiks pakeitimus jūsų diske ir paleis nuskaitymą tik modifikuotuose keliuose. Pranašumas yra tas, kad pakeitimai sklis greičiau ir reikės mažiau pilnų nuskaitymų.",
     "Copied from elsewhere": "Nukopijuota iš kitur",
     "Copied from original": "Nukopijuota iš originalo",

gui/default/assets/lang/lang-nb.json

@@ -133,20 +133,27 @@
     "Edit Folder": "Rediger mappe",
     "Edit Folder Defaults": "Endre mappens standardverdier",
     "Editing {%path%}.": "Redigerer {{path}}.",
-    "Enable Crash Reporting": "Skru på krasjrapportering",
-    "Enable NAT traversal": "Slå på NAT-traversering",
+    "Enable Crash Reporting": "Aktiver krasjrapportering",
+    "Enable NAT traversal": "Aktiver NAT-traversering",
     "Enable Relaying": "Aktiver reléforsendelse",
     "Enabled": "Påskrudd",
     "Enables sending extended attributes to other devices, and applying incoming extended attributes. May require running with elevated privileges.": "Gjør det mulig å sende utvidede attributter til andre enheter og bruke innkommende utvidede attributter. Kan kreve kjøring med utvidede rettigheter.",
+    "Enables sending extended attributes to other devices, but not applying incoming extended attributes. This can have a significant performance impact. Always enabled when \"Sync Extended Attributes\" is enabled.": "Aktiverer sending av utvidede egenskaper til andre enheter, men tar ikke i bruk innkommende utvidede egenskaper. Dette kan ha stor betydning for ytelsen. Alltid aktivert når \"Synkroniser utvidede egenskaper\" er aktivert.",
+    "Enables sending ownership information to other devices, and applying incoming ownership information. Typically requires running with elevated privileges.": "Aktiverer sending av informasjon om eierskap til andre enheter, og bruker innkommende informasjon om eierskap. Krever vanligvis at det kjøres med administrative rettigheter.",
+    "Enables sending ownership information to other devices, but not applying incoming ownership information. This can have a significant performance impact. Always enabled when \"Sync Ownership\" is enabled.": "Aktiverer sending av informasjon om eierskap til andre enheter, men bruker ikke informasjon om eierskap. Dette kan ha stor betydning for ytelsen. Alltid aktivert når \"Synkroniser eierskap\" er aktivert.",
     "Enter a non-negative number (e.g., \"2.35\") and select a unit. Percentages are as part of the total disk size.": "Skriv inn et ikke-negativt nummer (f.eks. \"2.35\") og velg en enhet. Prosenter er deler av total diskstørrelse.",
     "Enter a non-privileged port number (1024 - 65535).": "Skriv inn et ikke-priviligert portnummer (1024-65535).",
+    "Enter comma separated (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "Legg inn kommaseparerte (\"tcp://ip:port\", \"tcp://vert:port\") adresser eller \"dynamiske\" for å utføre automatisk oppdagelse av adressen.",
     "Enter ignore patterns, one per line.": "Skriv inn mønster som skal utelates, ett per linje.",
+    "Enter up to three octal digits.": "Legg inn opptil tre oktale sifre.",
     "Error": "Feilmelding",
-    "Extended Attributes": "Utvidede attributter",
-    "Extended Attributes Filter": "Utvidede attributters filter",
+    "Extended Attributes": "Utvidede egenskaper",
+    "Extended Attributes Filter": "Utvidede Egenskaper Filter",
     "External": "Ekstern",
     "External File Versioning": "Ekstern versjonskontroll",
     "Failed Items": "Elementsynkronisering som har mislyktes",
+    "Failed to load file versions.": "Lasting av fil-versjoner feilet.",
+    "Failed to load ignore patterns.": "Lasting av ignorer mønstre feilet.",
     "Failed to setup, retrying": "Klarte ikke å utføre oppsett, prøver igjen",
     "Failure to connect to IPv6 servers is expected if there is no IPv6 connectivity.": "Å ikke klare å koble til IPv6-tjenere er forventet hvis det ikke er noen IPv6-tilknytning.",
     "File Pull Order": "Filenes henterekkefølge",
@@ -155,6 +162,7 @@
     "Files are moved to date stamped versions in a .stversions directory when replaced or deleted by Syncthing.": "Filer flyttes til en datostemplet versjon i .stversions-mappa når den oppdateres eller slettes av Syncthing.",
     "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "Filer er beskyttet mot endringer som er gjort på andre enheter, men endringer som er gjort på denne enheten blir sendt til resten av gruppen.",
     "Files are synchronized from the cluster, but any changes made locally will not be sent to other devices.": "Filer er synkronisert fra klyngen, men lokale endringer vil ikke bli sent til andre enheter.",
+    "Filesystem Watcher Errors": "Filesystem Watcher Feil",
     "Filter by date": "Filtrer etter dato",
     "Filter by name": "Filtrer etter navn",
     "Folder": "Mappe",
@@ -163,12 +171,19 @@
     "Folder Path": "Mappeplassering",
     "Folder Status": "Mappe status",
     "Folder Type": "Mappetype",
+    "Folder type \"{%receiveEncrypted%}\" can only be set when adding a new folder.": "Mappetype {{receiveEncrypted}} kan bare bli valgt ved opprettelse av ny mappe.",
+    "Folder type \"{%receiveEncrypted%}\" cannot be changed after adding the folder. You need to remove the folder, delete or decrypt the data on disk, and add the folder again.": "Mappetype {{receiveEncrypted}} kan ikke bli endret etter at mappen er lagt til. Du må fjerne mappen, slette eller dekryptere dataene på disken, og legge til mappen igjen.",
     "Folders": "Mapper",
+    "For the following folders an error occurred while starting to watch for changes. It will be retried every minute, so the errors might go away soon. If they persist, try to fix the underlying issue and ask for help if you can't.": "For de følgende mappene oppsto det en feil når overvåkingen av endringer startet. Det vil bli prøvd på nytt hvert minutt, så feilen kan forsvinne raskt. Hvis feilen vedvarer, prøv å fiks det underliggende problemet, eller spør om hjelp om du ikke får det til.",
+    "Forever": "Evig",
     "Full Rescan Interval (s)": "Intervall for fullstendig omskanning (s)",
     "GUI": "grafisk brukergrensesnitt",
+    "GUI / API HTTPS Certificate": "GUI / API HTTPS Sertifikat",
     "GUI Authentication Password": "Passord for GUI-autenisering",
     "GUI Authentication User": "Bruker for GUI-autenisering",
+    "GUI Authentication: Set User and Password": "GUI Autentifisering: Lagre bruker og passord",
     "GUI Listen Address": "Lytteadresse for grafisk brukergrensesnitt",
+    "GUI Override Directory": "GUI Overstyr katalog",
     "GUI Theme": "GUI-tema",
     "General": "Hovedinnstillinger",
     "Generate": "Generer",
@@ -176,11 +191,16 @@
     "Global Discovery Servers": "Globale oppdagelses servere",
     "Global State": "Global tilstand",
     "Help": "Hjelp",
+    "Hint: only deny-rules detected while the default is deny. Consider adding \"permit any\" as last rule.": "Hint: bare avvis-regler blir registrert når standard er avvis. Vurder å legge til \"tillat noen\" som en siste regel.",
     "Home page": "Hjemmeside",
+    "However, your current settings indicate you might not want it enabled. We have disabled automatic crash reporting for you.": "Imdlertid indikerer dine nåværende innstillinger at du ikke vil ha det aktivert. Vi har deaktivert automatiske krasjrapporter for deg.",
     "Identification": "Identifikasjon",
+    "If untrusted, enter encryption password": "Hvis ikke sikkert, legg til krypterings-passord",
+    "If you want to prevent other users on this computer from accessing Syncthing and through it your files, consider setting up authentication.": "Hvis du vil hindre andre brukere på denne maskinen fra tilgang til Syncthing, og gjennom det dine filer, vurder å sette opp autentisering.",
     "Ignore": "Ignorer",
     "Ignore Patterns": "Utelatelsesmønster",
     "Ignore Permissions": "Ignorer rettigheter",
+    "Ignore patterns can only be added after the folder is created. If checked, an input field to enter ignore patterns will be presented after saving.": "Ignonrer-mønstre kan bare bli lagt til etter at mappen er opprettet. Om du har krysset av vil du blir spurt om å fylle inn ignorer-mønster etter at du har lagret.",
     "Ignored Devices": "Ignorerte enheter",
     "Ignored Folders": "Utelatte mapper",
     "Ignored at": "Ignorert i",
@@ -188,6 +208,7 @@
     "Incoming Rate Limit (KiB/s)": "Innkommende hastighetsbegrensning (KiB/s)",
     "Incorrect configuration may damage your folder contents and render Syncthing inoperable.": "Feilaktige innstillinger kan skade innholdet i dine delte mapper og hindre Syncthing i å fungere.",
     "Incorrect user name or password.": "Feil brukernavn eller passord.",
+    "Internally used paths:": "Interne stier:",
     "Introduced By": "Introdusert av",
     "Introducer": "Introduktør",
     "Introduction": "Introduksjon",
@@ -202,6 +223,7 @@
     "Last seen": "Sist sett",
     "Latest Change": "Sist endret",
     "Learn more": "Lær mer",
+    "Learn more at {%url%}": "Lær mer her {{url}}",
     "Limit": "Grense",
     "Listeners": "Lyttere",
     "Loading data...": "Laster inn data…",

gui/default/assets/lang/lang-pl.json

@@ -27,6 +27,7 @@
     "Allowed Networks": "Dozwolone sieci",
     "Alphabetic": "Alfabetycznie",
     "Altered by ignoring deletes.": "Zmieniono przez ignorowanie usuniętych",
+    "Always turned on when the folder type is \"{%foldertype%}\".": "Zawsze włączone, gdy typ folderu to \"{{foldertype}}\".",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "Zewnętrzne polecenie odpowiedzialne jest za wersjonowanie. Musi ono usunąć plik ze współdzielonego folderu. Jeżeli ścieżka do aplikacji zawiera spacje, to powinna ona być zamknięta w cudzysłowie.",
     "Anonymous Usage Reporting": "Anonimowe statystyki użycia",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "Format anonimowych statystyk użycia uległ zmianie. Czy chcesz przejść na nowy format?",
@@ -52,6 +53,7 @@
     "Body:": "Treść:",
     "Bugs": "Błędy",
     "Cancel": "Anuluj",
+    "Cannot be enabled when the folder type is \"{%foldertype%}\".": "Nie można włączyć, jeśli typem folderu jest \"{{foldertype}}\".",
     "Changelog": "Historia zmian",
     "Clean out after": "Opróżnij po",
     "Cleaning Versions": "Czyszczenie wersji",

gui/default/assets/lang/lang-pt-BR.json

@@ -27,6 +27,7 @@
     "Allowed Networks": "Redes permitidas",
     "Alphabetic": "Alfabética",
     "Altered by ignoring deletes.": "Alterado ignorando exclusões.",
+    "Always turned on when the folder type is \"{%foldertype%}\".": "Sempre ativado quando o tipo de pasta for \"{{foldertype}}\".",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "Um comando externo controla o controle de versão. Tem que remover o arquivo da pasta compartilhada. Se o caminho para o aplicativo contiver espaços, ele deve ser colocado entre aspas.",
     "Anonymous Usage Reporting": "Relatórios anônimos de uso",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "O formato do relatório anônimo de uso mudou. Gostaria de usar o formato novo?",
@@ -52,6 +53,7 @@
     "Body:": "Corpo:",
     "Bugs": "Erros",
     "Cancel": "Cancelar",
+    "Cannot be enabled when the folder type is \"{%foldertype%}\".": "Não pode ser ativado se o tipo de pasta for \"{{foldertype}}\".",
     "Changelog": "Registro de alterações",
     "Clean out after": "Limpar depois de",
     "Cleaning Versions": "Limpando Versões",

gui/default/assets/lang/lang-pt-PT.json

@@ -27,6 +27,7 @@
     "Allowed Networks": "Redes permitidas",
     "Alphabetic": "Alfabética",
     "Altered by ignoring deletes.": "Alterada por terem sido ignoradas as eliminações.",
+    "Always turned on when the folder type is \"{%foldertype%}\".": "Sempre ligado quando o tipo de pasta é \"{{foldertype}}\".",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "Um comando externo gere as versões. Esse comando tem que remover o ficheiro da pasta partilhada. Se o caminho para a aplicação contiver espaços, então terá de o escrever entre aspas.",
     "Anonymous Usage Reporting": "Enviar relatórios anónimos de utilização",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "O formato do relatório anónimo de utilização foi alterado. Gostaria de mudar para o novo formato?",
@@ -52,6 +53,7 @@
     "Body:": "Corpo:",
     "Bugs": "Erros",
     "Cancel": "Cancelar",
+    "Cannot be enabled when the folder type is \"{%foldertype%}\".": "Não pode ser habilitado quando o tipo de pasta é \"{{foldertype}}\".",
     "Changelog": "Registo de alterações",
     "Clean out after": "Esvaziar ao fim de",
     "Cleaning Versions": "Limpando versões",

gui/default/assets/lang/lang-th.json

@@ -1,2 +1,3 @@
 {
+    "A device with that ID is already added.": "อุปกรณ์ที่เป็น ID นั้นๆ ได้ถูกเพิ่มเข้าไปแล้ว"
 }

gui/default/assets/lang/lang-tr.json

@@ -27,6 +27,7 @@
     "Allowed Networks": "İzin Verilen Ağlar",
     "Alphabetic": "Alfabetik",
     "Altered by ignoring deletes.": "Silmeler yoksayılarak değiştirildi.",
+    "Always turned on when the folder type is \"{%foldertype%}\".": "Klasör türü \"{{foldertype}}\" olduğunda her zaman açıktır.",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "Harici bir komut sürümlendirmeyi gerçekleştirir. Dosyayı paylaşılan klasörden kaldırmak zorundadır. Eğer uygulama yolu boşluklar içeriyorsa, tırnak içine alınmalıdır.",
     "Anonymous Usage Reporting": "İsimsiz Kullanım Bildirme",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "İsimsiz kullanım raporu biçimi değişti. Yeni biçime geçmek ister misiniz?",
@@ -52,6 +53,7 @@
     "Body:": "Gövde:",
     "Bugs": "Hatalar",
     "Cancel": "İptal",
+    "Cannot be enabled when the folder type is \"{%foldertype%}\".": "Klasör türü \"{{foldertype}}\" olduğunda etkinleştirilemez.",
     "Changelog": "Değişiklik Günlüğü",
     "Clean out after": "Şundan sonra temizle",
     "Cleaning Versions": "Sürümleri Temizleme",

gui/default/assets/lang/lang-zh-CN.json

@@ -27,6 +27,7 @@
     "Allowed Networks": "允许的网络",
     "Alphabetic": "字母顺序",
     "Altered by ignoring deletes.": "通过忽略删除进行更改。",
+    "Always turned on when the folder type is \"{%foldertype%}\".": "当文件夹类型为“{{foldertype}}”时始终启用。",
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "外部命令处理版本控制。必须从共享文件夹中移除文件。如果应用程序的路径包含空格，应用半角引号括起来。",
     "Anonymous Usage Reporting": "匿名使用报告",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "匿名使用报告格式已更改。是否要切换到新格式？",
@@ -52,6 +53,7 @@
     "Body:": "正文：",
     "Bugs": "问题反馈",
     "Cancel": "取消",
+    "Cannot be enabled when the folder type is \"{%foldertype%}\".": "当文件夹类型为“{{foldertype}}”时无法启用。",
     "Changelog": "更新日志",
     "Clean out after": "在该时间后清除",
     "Cleaning Versions": "清理版本中",
@@ -228,12 +230,12 @@
     "Listener Failures": "监听程序失败",
     "Listener Status": "监听程序状态",
     "Listeners": "监听程序",
-    "Loading data...": "正在载入数据…",
-    "Loading...": "正在载入…",
+    "Loading data...": "正在加载数据…",
+    "Loading...": "正在加载…",
     "Local Additions": "本地添加",
     "Local Discovery": "本地发现",
     "Local State": "本地状态",
-    "Local State (Total)": "本地状态汇总",
+    "Local State (Total)": "本地状态（总计）",
     "Locally Changed Items": "本地更改的项目",
     "Log": "日志",
     "Log File": "日志文件",
@@ -481,11 +483,11 @@
     "Untrusted": "不受信任",
     "Up to Date": "最新",
     "Updated {%file%}": "已更新 {{file}}",
-    "Upgrade": "更新",
-    "Upgrade To {%version%}": "升级至版本 {{version}}",
+    "Upgrade": "升级",
+    "Upgrade To {%version%}": "升级到 {{version}}",
     "Upgrading": "升级中",
     "Upload Rate": "上传速率",
-    "Uptime": "启动时间",
+    "Uptime": "运行时间",
     "Usage reporting is always enabled for candidate releases.": "发布候选版始终启用使用报告。",
     "Use HTTPS for GUI": "使用 HTTPS 连接到 GUI",
     "Use notifications from the filesystem to detect changed items.": "使用来自文件系统的通知来检测更改的项目。",

gui/default/assets/lang/prettyprint.js

@@ -1 +1 @@
-var langPrettyprint = {"ar":"Arabic","bg":"Bulgarian","ca":"Catalan","ca@valencia":"Valencian","cs":"Czech","da":"Danish","de":"German","el":"Greek","en":"English","en-GB":"English (United Kingdom)","es":"Spanish","eu":"Basque","fil":"Filipino","fr":"French","fy":"Frisian","ga":"Irish","hi":"Hindi","hu":"Hungarian","id":"Indonesian","it":"Italian","ja":"Japanese","ko-KR":"Korean","lt":"Lithuanian","nl":"Dutch","pl":"Polish","pt-BR":"Portuguese (Brazil)","pt-PT":"Portuguese (Portugal)","ro-RO":"Romanian","ru":"Russian","sk":"Slovak","sl":"Slovenian","sv":"Swedish","tr":"Turkish","uk":"Ukrainian","zh-CN":"Chinese (Simplified Han script)","zh-HK":"Chinese (Traditional Han script, Hong Kong)","zh-TW":"Chinese (Traditional Han script)"}
+var langPrettyprint = {"ar":"Arabic","bg":"Bulgarian","ca":"Catalan","ca@valencia":"Valencian","cs":"Czech","da":"Danish","de":"German","el":"Greek","en":"English","en-GB":"English (United Kingdom)","es":"Spanish","eu":"Basque","fil":"Filipino","fr":"French","fy":"Frisian","ga":"Irish","he-IL":"Hebrew (Israel)","hi":"Hindi","hu":"Hungarian","id":"Indonesian","it":"Italian","ja":"Japanese","ko-KR":"Korean","lt":"Lithuanian","nl":"Dutch","pl":"Polish","pt-BR":"Portuguese (Brazil)","pt-PT":"Portuguese (Portugal)","ro-RO":"Romanian","ru":"Russian","sk":"Slovak","sl":"Slovenian","sv":"Swedish","tr":"Turkish","uk":"Ukrainian","zh-CN":"Chinese (Simplified Han script)","zh-HK":"Chinese (Traditional Han script, Hong Kong)","zh-TW":"Chinese (Traditional Han script)"}

gui/default/assets/lang/valid-langs.js

@@ -1 +1 @@
-var validLangs = ["ar","bg","ca","ca@valencia","cs","da","de","el","en","en-GB","es","eu","fil","fr","fy","ga","hi","hu","id","it","ja","ko-KR","lt","nl","pl","pt-BR","pt-PT","ro-RO","ru","sk","sl","sv","tr","uk","zh-CN","zh-HK","zh-TW"]
+var validLangs = ["ar","bg","ca","ca@valencia","cs","da","de","el","en","en-GB","es","eu","fil","fr","fy","ga","he-IL","hi","hu","id","it","ja","ko-KR","lt","nl","pl","pt-BR","pt-PT","ro-RO","ru","sk","sl","sv","tr","uk","zh-CN","zh-HK","zh-TW"]

gui/default/syncthing/core/aboutModalView.html

@@ -30,7 +30,7 @@
         <h4 class="text-center" translate>The Syncthing Authors</h4>
         <div class="row">
           <div class="col-md-12" id="contributor-list">
-Jakob Borg, Audrius Butkevicius, Jesse Lucas, Simon Frei, Tomasz Wilczyński, Alexander Graf, Alexandre Viau, Anderson Mesquita, André Colomb, Antony Male, Ben Schulz, Caleb Callaway, Daniel Harte, Emil Lundberg, Eric P, Evgeny Kuznetsov, Lars K.W. Gohlke, Lode Hoste, Michael Ploujnikov, Nate Morrison, Philippe Schommers, Ryan Sullivan, Sergey Mishin, Stefan Tatschner, Wulf Weich, bt90, greatroar, Aaron Bieber, Adam Piggott, Adel Qalieh, Alan Pope, Alberto Donato, Aleksey Vasenev, Alessandro G., Alex Lindeman, Alex Xu, Alexander Seiler, Alexandre Alves, Aman Gupta, Anatoli Babenia, Andreas Sommer, Andrew Dunham, Andrew Meyer, Andrew Rabert, Andrey D, Anjan Momi, Anthony Goeckner, Antoine Lamielle, Anur, Aranjedeath, Arkadiusz Tymiński, Aroun, Arthur Axel fREW Schmidt, Artur Zubilewicz, Aurélien Rainone, BAHADIR YILMAZ, Bart De Vries, Beat Reichenbach, Ben Curthoys, Ben Shepherd, Ben Sidhom, Benedikt Heine, Benedikt Morbach, Benjamin Nater, Benno Fünfstück, Benny Ng, Boqin Qin, Boris Rybalkin, Brandon Philips, Brendan Long, Brian R. Becker, Carsten Hagemann, Catfriend1, Cathryne Linenweaver, Cedric Staniewski, Chih-Hsuan Yen, Choongkyu, Chris Howie, Chris Joel, Chris Tonkinson, Christian Kujau, Christian Prescott, Colin Kennedy, Cromefire_, Cyprien Devillez, Dale Visser, Dan, Daniel Barczyk, Daniel Bergmann, Daniel Martí, Daniel Padrta, Darshil Chanpura, David Rimmer, DeflateAwning, Denis A., Dennis Wilson, DerRockWolf, Devon G. Redekopp, Dimitri Papadopoulos Orfanos, Dmitry Saveliev, Domenic Horner, Dominik Heidler, Elias Jarlebring, Elliot Huffman, Emil Hessman, Eng Zer Jun, Eric Lesiuta, Erik Meitner, Evan Spensley, Federico Castagnini, Felix, Felix Ableitner, Felix Lampe, Felix Unterpaintner, Francois-Xavier Gsell, Frank Isemann, Gahl Saraf, Gilli Sigurdsson, Gleb Sinyavskiy, Graham Miln, Greg, Gusted, Han Boetes, HansK-p, Harrison Jones, Heiko Zuerker, Hireworks, Hugo Locurcio, Iain Barnett, Ian Johnson, Ikko Ashimine, Ilya Brin, Iskander Sharipov, Jaakko Hannikainen, Jacek Szafarkiewicz, Jack Croft, Jacob, Jake Peterson, James O'Beirne, James Patterson, Jaroslav Lichtblau, Jaroslav Malec, Jaspitta, Jauder Ho, Jaya Chithra, Jaya Kumar, Jeffery To, Jens Diemer, Jerry Jacobs, Jochen Voss, Johan Andersson, Johan Vromans, John Rinehart, Jonas Thelemann, Jonathan, Jonathan Cross, Jonta, Jose Manuel Delicado, Julian Lehrhuber, Jörg Thalheim, Jędrzej Kula, K.B.Dharun Krishna, Kalle Laine, Kapil Sareen, Karol Różycki, Kebin Liu, Keith Harrison, Keith Turner, Kelong Cong, Ken'ichi Kamada, Kevin Allen, Kevin Bushiri, Kevin White, Jr., Kurt Fitzner, LSmithx2, Lars Lehtonen, Laurent Arnoud, Laurent Etiemble, Leo Arias, Liu Siyuan, Lord Landon Agahnim, Lukas Lihotzki, Luke Hamburg, Majed Abdulaziz, Marc Laporte, Marc Pujol, Marcin Dziadus, Marcus Legendre, Mario Majila, Mark Pulford, Martchus, Martin Polehla, Mateusz Naściszewski, Mateusz Ż, Matic Potočnik, Matt Burke, Matt Robenolt, Matteo Ruina, Maurizio Tomasi, Max, Max Schulze, MaximAL, Maxime Thirouin, Maximilian, MichaIng, Michael Jephcote, Michael Rienstra, Michael Tilli, Migelo, Mike Boone, MikeLund, MikolajTwarog, Mingxuan Lin, Naveen, Nicholas Rishel, Nick Busey, Nico Stapelbroek, Nicolas Braud-Santoni, Nicolas Perraut, Niels Peter Roest, Nils Jakobi, NinoM4ster, Nitroretro, NoLooseEnds, Oliver Freyermuth, Otiel, Oyebanji Jacob Mayowa, Pablo, Pascal Jungblut, Paul Brit, Pawel Palenica, Paweł Rozlach, Peter Badida, Peter Dave Hello, Peter Hoeg, Peter Marquardt, Phani Rithvij, Phil Davis, Phill Luby, Pier Paolo Ramon, Piotr Bejda, Pramodh KP, Quentin Hibon, Rahmi Pruitt, Richard Hartmann, Robert Carosi, Roberto Santalla, Robin Schoonover, Roman Zaynetdinov, Ross Smith II, Ruslan Yevdokymov, Ryan Qian, Sacheendra Talluri, Scott Klupfel, Sertonix, Severin von Wnuck-Lipinski, Shaarad Dalvi, Simon Mwepu, Simon Pickup, Sly_tom_cat, Sonu Kumar Saw, Stefan Kuntz, Steven Eckhoff, Suhas Gundimeda, Sven Bachmann, Taylor Khan, Terrance, Thomas, Thomas Hipp, Tim Abell, Tim Howes, Tim Nordenfur, Tobias Frölich, Tobias Klauser, Tobias Nygren, Tobias Tom, Tom Jakubowski, Tommy Thorn, Tommy van der Vorst, Tully Robinson, Tyler Brazier, Tyler Kropp, Unrud, Veeti Paananen, Victor Buinsky, Vik, Vil Brekin, Vladimir Rusinov, WangXi, Will Rouesnel, William A. Kennington III, Xavier O., Yannic A., andresvia, andyleap, boomsquared, chenrui, chucic, cjc7373, cui fliter, d-volution, derekriemer, desbma, diemade, digital, entity0xfe, georgespatton, ghjklw, guangwu, gudvinr, ignacy123, janost, jaseg, jelle van der Waa, jtagcat, klemens, kylosus, luchenhan, luzpaz, marco-m, maxice8, mclang, mv1005, nf, orangekame3, otbutz, overkill, perewa, red_led, rubenbe, sec65, vapatel2, villekalliomaki, wangguoliang, wouter bolsterlee, xarx00, xjtdy888, 佛跳墙, 落心
+Jakob Borg, Audrius Butkevicius, Jesse Lucas, Simon Frei, Tomasz Wilczyński, Alexander Graf, Alexandre Viau, Anderson Mesquita, André Colomb, Antony Male, Ben Schulz, Caleb Callaway, Daniel Harte, Emil Lundberg, Eric P, Evgeny Kuznetsov, Lars K.W. Gohlke, Lode Hoste, Michael Ploujnikov, Nate Morrison, Philippe Schommers, Ross Smith II, Ryan Sullivan, Sergey Mishin, Stefan Tatschner, Wulf Weich, bt90, greatroar, Aaron Bieber, Adam Piggott, Adel Qalieh, Alan Pope, Alberto Donato, Aleksey Vasenev, Alessandro G., Alex Ionescu, Alex Lindeman, Alex Xu, Alexander Seiler, Alexandre Alves, Aman Gupta, Anatoli Babenia, Andreas Sommer, Andrew Dunham, Andrew Meyer, Andrew Rabert, Andrey D, Anjan Momi, Anthony Goeckner, Antoine Lamielle, Anur, Aranjedeath, Arkadiusz Tymiński, Aroun, Arthur Axel fREW Schmidt, Artur Zubilewicz, Aurélien Rainone, BAHADIR YILMAZ, Bart De Vries, Beat Reichenbach, Ben Curthoys, Ben Shepherd, Ben Sidhom, Benedikt Heine, Benedikt Morbach, Benjamin Nater, Benno Fünfstück, Benny Ng, Boqin Qin, Boris Rybalkin, Brandon Philips, Brendan Long, Brian R. Becker, Carsten Hagemann, Catfriend1, Cathryne Linenweaver, Cedric Staniewski, Chih-Hsuan Yen, Choongkyu, Chris Howie, Chris Joel, Chris Tonkinson, Christian Kujau, Christian Prescott, Colin Kennedy, Cromefire_, Cyprien Devillez, Dale Visser, Dan, Daniel Barczyk, Daniel Bergmann, Daniel Martí, Daniel Padrta, Darshil Chanpura, David Rimmer, DeflateAwning, Denis A., Dennis Wilson, DerRockWolf, Devon G. Redekopp, Dimitri Papadopoulos Orfanos, Dmitry Saveliev, Domenic Horner, Dominik Heidler, Elias Jarlebring, Elliot Huffman, Emil Hessman, Eng Zer Jun, Eric Lesiuta, Erik Meitner, Evan Spensley, Federico Castagnini, Felix, Felix Ableitner, Felix Lampe, Felix Unterpaintner, Francois-Xavier Gsell, Frank Isemann, Gahl Saraf, Gilli Sigurdsson, Gleb Sinyavskiy, Graham Miln, Greg, Gusted, Han Boetes, HansK-p, Harrison Jones, Heiko Zuerker, Hireworks, Hugo Locurcio, Iain Barnett, Ian Johnson, Ikko Ashimine, Ilya Brin, Iskander Sharipov, Jaakko Hannikainen, Jacek Szafarkiewicz, Jack Croft, Jacob, Jake Peterson, James O'Beirne, James Patterson, Jaroslav Lichtblau, Jaroslav Malec, Jaspitta, Jauder Ho, Jaya Chithra, Jaya Kumar, Jeffery To, Jens Diemer, Jerry Jacobs, Jochen Voss, Johan Andersson, Johan Vromans, John Rinehart, Jonas Thelemann, Jonathan, Jonathan Cross, Jonta, Jose Manuel Delicado, Julian Lehrhuber, Jörg Thalheim, Jędrzej Kula, K.B.Dharun Krishna, Kalle Laine, Kapil Sareen, Karol Różycki, Kebin Liu, Keith Harrison, Keith Turner, Kelong Cong, Ken'ichi Kamada, Kevin Allen, Kevin Bushiri, Kevin White, Jr., Kurt Fitzner, LSmithx2, Lars Lehtonen, Laurent Arnoud, Laurent Etiemble, Leo Arias, Liu Siyuan, Lord Landon Agahnim, Lukas Lihotzki, Luke Hamburg, Majed Abdulaziz, Marc Laporte, Marc Pujol, Marcin Dziadus, Marcus B Spencer, Marcus Legendre, Mario Majila, Mark Pulford, Martchus, Martin Polehla, Mateusz Naściszewski, Mateusz Ż, Matic Potočnik, Matt Burke, Matt Robenolt, Matteo Ruina, Maurizio Tomasi, Max, Max Schulze, MaximAL, Maxime Thirouin, Maximilian, MichaIng, Michael Jephcote, Michael Rienstra, Michael Tilli, Migelo, Mike Boone, MikeLund, MikolajTwarog, Mingxuan Lin, Naveen, Nicholas Rishel, Nick Busey, Nico Stapelbroek, Nicolas Braud-Santoni, Nicolas Perraut, Niels Peter Roest, Nils Jakobi, NinoM4ster, Nitroretro, NoLooseEnds, Oliver Freyermuth, Otiel, Oyebanji Jacob Mayowa, Pablo, Pascal Jungblut, Paul Brit, Pawel Palenica, Paweł Rozlach, Peter Badida, Peter Dave Hello, Peter Hoeg, Peter Marquardt, Phani Rithvij, Phil Davis, Phill Luby, Pier Paolo Ramon, Piotr Bejda, Pramodh KP, Quentin Hibon, Rahmi Pruitt, Richard Hartmann, Robert Carosi, Roberto Santalla, Robin Schoonover, Roman Zaynetdinov, Ruslan Yevdokymov, Ryan Qian, Sacheendra Talluri, Scott Klupfel, Sertonix, Severin von Wnuck-Lipinski, Shaarad Dalvi, Simon Mwepu, Simon Pickup, Sly_tom_cat, Sonu Kumar Saw, Stefan Kuntz, Steven Eckhoff, Suhas Gundimeda, Sven Bachmann, Taylor Khan, Terrance, Thomas, Thomas Hipp, Tim Abell, Tim Howes, Tim Nordenfur, Tobias Frölich, Tobias Klauser, Tobias Nygren, Tobias Tom, Tom Jakubowski, Tommy Thorn, Tommy van der Vorst, Tully Robinson, Tyler Brazier, Tyler Kropp, Unrud, Veeti Paananen, Victor Buinsky, Vik, Vil Brekin, Vladimir Rusinov, WangXi, Will Rouesnel, William A. Kennington III, Xavier O., Yannic A., andresvia, andyleap, boomsquared, chenrui, chucic, cjc7373, cui fliter, d-volution, dashangcun, derekriemer, desbma, diemade, digital, entity0xfe, georgespatton, ghjklw, guangwu, gudvinr, ignacy123, janost, jaseg, jelle van der Waa, jtagcat, klemens, kylosus, luchenhan, luzpaz, marco-m, mathias4833, maxice8, mclang, mv1005, nf, orangekame3, otbutz, overkill, perewa, polyfloyd, red_led, rubenbe, sec65, vapatel2, villekalliomaki, wangguoliang, wouter bolsterlee, xarx00, xjtdy888, 佛跳墙, 落心
           </div>
         </div>
       </div>
@@ -55,14 +55,16 @@ Jakob Borg, Audrius Butkevicius, Jesse Lucas, Simon Frei, Tomasz Wilczyński, Al
           <li><a href="https://github.com/chmduquesne/rollinghash">chmduquesne/rollinghash</a>, Copyright &copy; 2015 Christophe-Marie Duquesne.</li>
           <li><a href="https://github.com/d4l3k/messagediff">d4l3k/messagediff</a>, Copyright &copy; 2015 Tristan Rice.</li>
           <li><a href="https://github.com/gobwas/glob">gobwas/glob</a>, Copyright &copy; 2016 Sergey Kamardin.</li>
-          <li><a href="https://github.com/gogo/protobuf">gogo/protobuf</a>, Copyright &copy; 2013 The GoGo Authors.</li>
           <li><a href="https://github.com/golang/groupcache">golang/groupcache</a>, Copyright &copy; 2013 Google Inc.</li>
           <li><a href="https://github.com/golang/protobuf">golang/protobuf</a>, Copyright &copy; 2010 The Go Authors.</li>
           <li><a href="https://github.com/golang/snappy">golang/snappy</a>, Copyright &copy; 2011 The Snappy-Go Authors.</li>
           <li><a href="https://github.com/jackpal/gateway">jackpal/gateway</a>, Copyright &copy; 2010 Jack Palevich.</li>
+          <li><a href="https://github.com/jmoiron/sqlx">jmoiron/sqlx</a>, Copyright &copy; 2013 Jason Moiron.</li>
           <li><a href="https://github.com/kballard/go-shellquote">kballard/go-shellquote</a>, Copyright &copy; 2014 Kevin Ballard.</li>
           <li><a href="https://github.com/mattn/go-isatty">mattn/go-isatty</a>, Copyright &copy; Yasuhiro MATSUMOTO.</li>
+          <li><a href="https://github.com/mattn/go-sqlite3">mattn/go-sqlite3</a>, Copyright &copy; 2014 Yasuhiro Matsumoto</li>
           <li><a href="https://github.com/matttproud/golang_protobuf_extensions">matttproud/golang_protobuf_extensions</a>, Copyright &copy; 2012 Matt T. Proud.</li>
+          <li><a href="https://modernc.org/sqlite">modernc.org/sqlite</a>, Copyright &copy; 2017 The Sqlite Authors</li>
           <li><a href="https://github.com/oschwald/geoip2-golang">oschwald/geoip2-golang</a>, Copyright &copy; 2015, Gregory J. Oschwald.</li>
           <li><a href="https://github.com/oschwald/maxminddb-golang">oschwald/maxminddb-golang</a>, Copyright &copy; 2015, Gregory J. Oschwald.</li>
           <li><a href="https://github.com/petermattis/goid">petermattis/goid</a>, Copyright &copy; 2015-2016 Peter Mattis.</li>

gui/default/syncthing/core/editShareTemplate.html

@@ -36,7 +36,7 @@
     </span>
     <span ng-switch="selected[id] && folderType !== 'receiveencrypted'" class="input-group-addon">
       <span ng-switch-when='true'>
-        <span class="button fas fa-fw fa-eye" ng-click="togglePasswordVisibility()"></span>
+        <span class="button fas fa-fw {{plain ? 'fa-eye-slash' : 'fa-eye'}}" ng-click="togglePasswordVisibility()"></span>
       </span>
       <span ng-switch-default>
         <span class="button fas fa-fw fa-eye" disabled></span>

gui/default/syncthing/core/syncthingController.js

@@ -3703,7 +3703,6 @@ angular.module('syncthing.core')
                 untrusted: '=',
             },
             link: function (scope, elem, attrs) {
-                var plain = false;
                 scope.togglePasswordVisibility = function() {
                     scope.plain = !scope.plain;
                 };

gui/default/syncthing/core/validDeviceidDirective.js

@@ -5,18 +5,12 @@ angular.module('syncthing.core')
             link: function (scope, elm, attrs, ctrl) {
                 ctrl.$parsers.unshift(function (viewValue) {
                     $http.get(urlbase + '/svc/deviceid?id=' + viewValue).success(function (resp) {
-                        if (resp.error) {
-                            ctrl.$setValidity('validDeviceid', false);
-                        } else {
-                            ctrl.$setValidity('validDeviceid', true);
-                        }
+                        let isValid = !resp.error;
+                        let isUnique = !isValid || !scope.devices.hasOwnProperty(resp.id);
+
+                        ctrl.$setValidity('validDeviceid', isValid);
+                        ctrl.$setValidity('unique', isUnique);
                     });
-                    //Prevents user from adding a duplicate ID
-                    if (scope.devices.hasOwnProperty(viewValue)) {
-                        ctrl.$setValidity('unique', false);
-                    } else {
-                        ctrl.$setValidity('unique', true);
-                    }
                     return viewValue;
                 });
             }

gui/default/syncthing/folder/editFolderModalView.html

@@ -251,6 +251,9 @@
               <select class="form-control" ng-if="currentFolder.type == 'sendonly'" disabled>
                 <option value="disabled" translate>Disabled</option>
               </select>
+              <p class="help-block" ng-if="currentFolder.type === 'sendonly'" translate translate-value-foldertype="{{'Send Only' | translate}}">
+                Cannot be enabled when the folder type is "{%foldertype%}".
+              </p>
             </div>
           </div>
 
@@ -282,6 +285,9 @@
               <p translate class="help-block">
                 Disables comparing and syncing file permissions. Useful on systems with nonexistent or custom permissions (e.g. FAT, exFAT, Synology, Android).
               </p>
+              <p class="help-block" ng-if="currentFolder._recvEnc" translate translate-value-foldertype="{{'Receive Encrypted' | translate}}">
+                Always turned on when the folder type is "{%foldertype%}".
+              </p>
             </div>
           </div>
 
@@ -297,12 +303,18 @@
               <p translate class="help-block">
                 Enables sending ownership information to other devices, and applying incoming ownership information. Typically requires running with elevated privileges.
               </p>
+              <p class="help-block" ng-if="has(['sendonly', 'receiveencrypted'], currentFolder.type)" translate translate-value-foldertype="{{currentFolder.type === 'sendonly' ? ('Send Only' | translate) : currentFolder.type === 'receiveencrypted' ? ('Receive Encrypted' | translate) : ''}}">
+                Cannot be enabled when the folder type is "{%foldertype%}".
+              </p>
               <label>
                 <input type="checkbox" ng-disabled="currentFolder.type == 'receiveonly' || currentFolder.type == 'receiveencrypted' || currentFolder.syncOwnership" ng-checked="currentFolder.sendOwnership || currentFolder.syncOwnership" ng-model="currentFolder.sendOwnership" /> <span translate>Send Ownership</span>
               </label>
               <p translate class="help-block">
                 Enables sending ownership information to other devices, but not applying incoming ownership information. This can have a significant performance impact. Always enabled when "Sync Ownership" is enabled.
               </p>
+              <p class="help-block" ng-if="has(['receiveonly', 'receiveencrypted'], currentFolder.type)" translate translate-value-foldertype="{{currentFolder.type === 'receiveonly' ? ('Receive Only' | translate) : currentFolder.type === 'receiveencrypted' ? ('Receive Encrypted' | translate) : ''}}">
+                Cannot be enabled when the folder type is "{%foldertype%}".
+              </p>
             </div>
             <div class="col-md-6 form-group">
               <p>
@@ -315,12 +327,18 @@
               <p translate class="help-block">
                 Enables sending extended attributes to other devices, and applying incoming extended attributes. May require running with elevated privileges.
               </p>
+              <p class="help-block" ng-if="has(['sendonly', 'receiveencrypted'], currentFolder.type)" translate translate-value-foldertype="{{currentFolder.type === 'sendonly' ? ('Send Only' | translate) : currentFolder.type === 'receiveencrypted' ? ('Receive Encrypted' | translate) : ''}}">
+                Cannot be enabled when the folder type is "{%foldertype%}".
+              </p>
               <label>
                 <input type="checkbox" ng-disabled="currentFolder.type == 'receiveonly' || currentFolder.type == 'receiveencrypted' || currentFolder.syncXattrs" ng-checked="currentFolder.sendXattrs || currentFolder.syncXattrs" ng-model="currentFolder.sendXattrs" /> <span translate>Send Extended Attributes</span>
               </label>
               <p translate class="help-block">
                 Enables sending extended attributes to other devices, but not applying incoming extended attributes. This can have a significant performance impact. Always enabled when "Sync Extended Attributes" is enabled.
               </p>
+              <p class="help-block" ng-if="has(['receiveonly', 'receiveencrypted'], currentFolder.type)" translate translate-value-foldertype="{{currentFolder.type === 'receiveonly' ? ('Receive Only' | translate) : currentFolder.type === 'receiveencrypted' ? ('Receive Encrypted' | translate) : ''}}">
+                Cannot be enabled when the folder type is "{%foldertype%}".
+              </p>
             </div>
           </div>
 

gui/default/syncthing/settings/advancedSettingsModalView.html

@@ -34,11 +34,11 @@
         <div id="optionsConfig" class="panel-collapse collapse" role="tabpanel" aria-labelledby="optionsHeading">
           <div class="panel-body less-padding">
             <form class="form-horizontal" role="form">
-              <div ng-repeat="(key, value) in advancedConfig.options" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
+              <div ng-repeat="(key, value) in advancedConfig.options" ng-init="type = inputTypeFor(key, value)" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
                 <label for="optionsInput{{$index}}" class="col-sm-4 control-label">{{key | uncamel}}&nbsp;<a href="{{docsURL('users/config#config-option-options.')}}{{key | lowercase}}" target="_blank"><span class="fas fa-question-circle"></span></a></label>
                 <div class="col-sm-8">
-                  <input ng-if="inputTypeFor(key, value) == 'list'" id="optionsInput{{$index}}" class="form-control" type="text" ng-model="advancedConfig.options[key]" ng-list />
-                  <input ng-if="inputTypeFor(key, value) != 'list'" id="optionsInput{{$index}}" class="form-control" type="{{inputTypeFor(key, value)}}" ng-model="advancedConfig.options[key]" />
+                  <input ng-if="type == 'list'" id="optionsInput{{$index}}" class="form-control" type="text" ng-model="advancedConfig.options[key]" ng-list />
+                  <input ng-if="type != 'list'" id="optionsInput{{$index}}" class="form-control" type="{{type}}" ng-model="advancedConfig.options[key]" />
                 </div>
               </div>
             </form>
@@ -53,11 +53,11 @@
         <div id="ldapConfig" class="panel-collapse collapse" role="tabpanel" aria-labelledby="ldapHeading">
           <div class="panel-body less-padding">
             <form class="form-horizontal" role="form">
-              <div ng-repeat="(key, value) in advancedConfig.ldap" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
+              <div ng-repeat="(key, value) in advancedConfig.ldap" ng-init="type = inputTypeFor(key, value)" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
                 <label for="ldapInput{{$index}}" class="col-sm-4 control-label">{{key | uncamel}}&nbsp;<a href="{{docsURL('users/config#config-option-ldap.')}}{{key | lowercase}}" target="_blank"><span class="fas fa-question-circle"></span></a></label>
                 <div class="col-sm-8">
-                  <input ng-if="inputTypeFor(key, value) == 'list'" id="ldapInput{{$index}}" class="form-control" type="text" ng-model="advancedConfig.ldap[key]" ng-list />
-                  <input ng-if="inputTypeFor(key, value) != 'list'" id="ldapInput{{$index}}" class="form-control" type="{{inputTypeFor(key, value)}}" ng-model="advancedConfig.ldap[key]" />
+                  <input ng-if="type == 'list'" id="ldapInput{{$index}}" class="form-control" type="text" ng-model="advancedConfig.ldap[key]" ng-list />
+                  <input ng-if="type != 'list'" id="ldapInput{{$index}}" class="form-control" type="{{type}}" ng-model="advancedConfig.ldap[key]" />
                 </div>
               </div>
             </form>
@@ -83,11 +83,11 @@
               <div id="folder{{folderIndex}}Config" class="panel-collapse collapse" role="tabpanel" aria-labelledby="folder{{folderIndex}}Heading">
                 <div class="panel-body less-padding">
                   <form class="form-horizontal" role="form">
-                    <div ng-repeat="(key, value) in folder" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
+                    <div ng-repeat="(key, value) in folder" ng-init="type = inputTypeFor(key, value)" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
                       <label for="folder{{folderIndex}}Input{{$index}}" class="col-sm-4 control-label">{{key | uncamel}}&nbsp;<a href="{{docsURL('users/config#config-option-folder.')}}{{key | lowercase}}" target="_blank"><span class="fas fa-question-circle"></span></a></label>
                       <div class="col-sm-8">
-                        <input ng-if="inputTypeFor(key, value) == 'list'" id="folder{{folderIndex}}Input{{$index}}" class="form-control" type="text" ng-model="folder[key]" ng-list />
-                        <input ng-if="inputTypeFor(key, value) != 'list'" id="folder{{folderIndex}}Input{{$index}}" class="form-control" type="{{inputTypeFor(key, value)}}" ng-model="folder[key]" />
+                        <input ng-if="type == 'list'" id="folder{{folderIndex}}Input{{$index}}" class="form-control" type="text" ng-model="folder[key]" ng-list />
+                        <input ng-if="type != 'list'" id="folder{{folderIndex}}Input{{$index}}" class="form-control" type="{{type}}" ng-model="folder[key]" />
                       </div>
                     </div>
                   </form>
@@ -113,11 +113,11 @@
               <div id="device{{deviceIndex}}Config" class="panel-collapse collapse" role="tabpanel" aria-labelledby="device{{deviceIndex}}Heading">
                 <div class="panel-body less-padding">
                   <form class="form-horizontal" role="form">
-                    <div ng-repeat="(key, value) in device" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
+                    <div ng-repeat="(key, value) in device" ng-init="type = inputTypeFor(key, value)" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
                       <label for="device{{deviceIndex}}Input{{$index}}" class="col-sm-4 control-label">{{key | uncamel}}&nbsp;<a href="{{docsURL('users/config#config-option-device.')}}{{key | lowercase}}" target="_blank"><span class="fas fa-question-circle"></span></a></label>
                       <div class="col-sm-8">
-                        <input ng-if="inputTypeFor(key, value) == 'list'" id="device{{deviceIndex}}Input{{$index}}" class="form-control" type="text" ng-model="device[key]" ng-list />
-                        <input ng-if="inputTypeFor(key, value) != 'list'" id="device{{deviceIndex}}Input{{$index}}" class="form-control" type="{{inputTypeFor(key, value)}}" ng-model="device[key]" />
+                        <input ng-if="type == 'list'" id="device{{deviceIndex}}Input{{$index}}" class="form-control" type="text" ng-model="device[key]" ng-list />
+                        <input ng-if="type != 'list'" id="device{{deviceIndex}}Input{{$index}}" class="form-control" type="{{type}}" ng-model="device[key]" />
                       </div>
                     </div>
                   </form>
@@ -141,11 +141,11 @@
               </div>
               <div id="advancedDefaultFolder" class="panel-collapse collapse" role="tabpanel" aria-labelledby="advancedDefaultFolderHeading">
                 <form class="form-horizontal" role="form">
-                  <div ng-repeat="(key, value) in advancedConfig.defaults.folder" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
+                  <div ng-repeat="(key, value) in advancedConfig.defaults.folder" ng-init="type = inputTypeFor(key, value)" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
                     <label for="advancedDefaultFolderInput{{$index}}" class="col-sm-4 control-label">{{key | uncamel}}&nbsp;<a href="{{docsURL('users/config#config-option-folder.')}}{{key | lowercase}}" target="_blank"><span class="fas fa-question-circle"></span></a></label>
                     <div class="col-sm-8">
-                      <input ng-if="inputTypeFor(key, value) == 'list'" id="advancedDefaultFolderInput{{$index}}" class="form-control" type="text" ng-model="advancedConfig.defaults.folder[key]" ng-list />
-                      <input ng-if="inputTypeFor(key, value) != 'list'" id="advancedDefaultFolderInput{{$index}}" class="form-control" type="{{inputTypeFor(key, value)}}" ng-model="advancedConfig.defaults.folder[key]" />
+                      <input ng-if="type == 'list'" id="advancedDefaultFolderInput{{$index}}" class="form-control" type="text" ng-model="advancedConfig.defaults.folder[key]" ng-list />
+                      <input ng-if="type != 'list'" id="advancedDefaultFolderInput{{$index}}" class="form-control" type="{{type}}" ng-model="advancedConfig.defaults.folder[key]" />
                     </div>
                   </div>
                 </form>
@@ -157,11 +157,11 @@
               </div>
               <div id="advancedDefaultDevice" class="panel-collapse collapse" role="tabpanel" aria-labelledby="advancedDefaultDeviceHeading">
                 <form class="form-horizontal" role="form">
-                  <div ng-repeat="(key, value) in advancedConfig.defaults.device" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
+                  <div ng-repeat="(key, value) in advancedConfig.defaults.device" ng-init="type = inputTypeFor(key, value)" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
                     <label for="advancedDefaultDeviceInput{{$index}}" class="col-sm-4 control-label">{{key | uncamel}}&nbsp;<a href="{{docsURL('users/config#config-option-device.')}}{{key | lowercase}}" target="_blank"><span class="fas fa-question-circle"></span></a></label>
                     <div class="col-sm-8">
-                      <input ng-if="inputTypeFor(key, value) == 'list'" id="advancedDefaultDeviceInput{{$index}}" class="form-control" type="text" ng-model="advancedConfig.defaults.device[key]" ng-list />
-                      <input ng-if="inputTypeFor(key, value) != 'list'" id="advancedDefaultDeviceInput{{$index}}" class="form-control" type="{{inputTypeFor(key, value)}}" ng-model="advancedConfig.defaults.device[key]" />
+                      <input ng-if="type == 'list'" id="advancedDefaultDeviceInput{{$index}}" class="form-control" type="text" ng-model="advancedConfig.defaults.device[key]" ng-list />
+                      <input ng-if="type != 'list'" id="advancedDefaultDeviceInput{{$index}}" class="form-control" type="{{type}}" ng-model="advancedConfig.defaults.device[key]" />
                     </div>
                   </div>
                 </form>
@@ -173,14 +173,14 @@
               </div>
               <div id="advancedDefaultIgnores" class="panel-collapse collapse" role="tabpanel" aria-labelledby="advancedDefaultIgnoresHeading">
                 <form class="form-horizontal" role="form">
-                  <div ng-repeat="(key, value) in advancedConfig.defaults.ignores" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
+                  <div ng-repeat="(key, value) in advancedConfig.defaults.ignores" ng-init="type = inputTypeFor(key, value)" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
                     <label for="advancedDefaultIgnoresInput{{$index}}" class="col-sm-4 control-label">{{key | uncamel}}&nbsp;<a href="{{docsURL('users/config#config-option-defaults.ignores.')}}{{key | lowercase}}" target="_blank"><span class="fas fa-question-circle"></span></a></label>
                     <div class="col-sm-8">
                       <div ng-switch="key">
                         <!-- Special case to preserve empty lines in multi-line input -->
                         <textarea ng-switch-when="lines" id="advancedDefaultIgnoresInput{{$index}}" class="form-control" rows="5" ng-model="advancedConfig.defaults.ignores._lines" ng-model-options="{ getterSetter: true }"></textarea>
-                        <input ng-switch-default ng-if="inputTypeFor(key, value) == 'list'" id="advancedDefaultIgnoresInput{{$index}}" class="form-control" type="text" ng-model="advancedConfig.defaults.ignores[key]" ng-list />
-                        <input ng-switch-default ng-if="inputTypeFor(key, value) != 'list'" id="advancedDefaultIgnoresInput{{$index}}" class="form-control" type="{{inputTypeFor(key, value)}}" ng-model="advancedConfig.defaults.ignores[key]" />
+                        <input ng-switch-default ng-if="type == 'list'" id="advancedDefaultIgnoresInput{{$index}}" class="form-control" type="text" ng-model="advancedConfig.defaults.ignores[key]" ng-list />
+                        <input ng-switch-default ng-if="type != 'list'" id="advancedDefaultIgnoresInput{{$index}}" class="form-control" type="{{type}}" ng-model="advancedConfig.defaults.ignores[key]" />
                       </div>
                     </div>
                   </div>

internal/db/counts.go

@@ -0,0 +1,73 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package db
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+type Counts struct {
+	Files       int
+	Directories int
+	Symlinks    int
+	Deleted     int
+	Bytes       int64
+	Sequence    int64             // zero for the global state
+	DeviceID    protocol.DeviceID // device ID for remote devices, or special values for local/global
+	LocalFlags  uint32            // the local flag for this count bucket
+}
+
+func (c Counts) Add(other Counts) Counts {
+	return Counts{
+		Files:       c.Files + other.Files,
+		Directories: c.Directories + other.Directories,
+		Symlinks:    c.Symlinks + other.Symlinks,
+		Deleted:     c.Deleted + other.Deleted,
+		Bytes:       c.Bytes + other.Bytes,
+		Sequence:    c.Sequence + other.Sequence,
+		DeviceID:    protocol.EmptyDeviceID,
+		LocalFlags:  c.LocalFlags | other.LocalFlags,
+	}
+}
+
+func (c Counts) TotalItems() int {
+	return c.Files + c.Directories + c.Symlinks + c.Deleted
+}
+
+func (c Counts) String() string {
+	var flags strings.Builder
+	if c.LocalFlags&protocol.FlagLocalNeeded != 0 {
+		flags.WriteString("Need")
+	}
+	if c.LocalFlags&protocol.FlagLocalIgnored != 0 {
+		flags.WriteString("Ignored")
+	}
+	if c.LocalFlags&protocol.FlagLocalMustRescan != 0 {
+		flags.WriteString("Rescan")
+	}
+	if c.LocalFlags&protocol.FlagLocalReceiveOnly != 0 {
+		flags.WriteString("Recvonly")
+	}
+	if c.LocalFlags&protocol.FlagLocalUnsupported != 0 {
+		flags.WriteString("Unsupported")
+	}
+	if c.LocalFlags != 0 {
+		flags.WriteString(fmt.Sprintf("(%x)", c.LocalFlags))
+	}
+	if flags.Len() == 0 {
+		flags.WriteString("---")
+	}
+	return fmt.Sprintf("{Device:%v, Files:%d, Dirs:%d, Symlinks:%d, Del:%d, Bytes:%d, Seq:%d, Flags:%s}", c.DeviceID, c.Files, c.Directories, c.Symlinks, c.Deleted, c.Bytes, c.Sequence, flags.String())
+}
+
+// Equal compares the numbers only, not sequence/dev/flags.
+func (c Counts) Equal(o Counts) bool {
+	return c.Files == o.Files && c.Directories == o.Directories && c.Symlinks == o.Symlinks && c.Deleted == o.Deleted && c.Bytes == o.Bytes
+}

internal/db/interface.go

@@ -0,0 +1,123 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package db // import "github.com/syncthing/syncthing/internal/db/sqlite"
+
+import (
+	"iter"
+	"time"
+
+	"github.com/syncthing/syncthing/lib/config"
+	"github.com/syncthing/syncthing/lib/protocol"
+	"github.com/thejerf/suture/v4"
+)
+
+type DB interface {
+	Service(maintenanceInterval time.Duration) suture.Service
+
+	// Basics
+	Update(folder string, device protocol.DeviceID, fs []protocol.FileInfo) error
+	Close() error
+
+	// Single files
+	GetDeviceFile(folder string, device protocol.DeviceID, file string) (protocol.FileInfo, bool, error)
+	GetGlobalAvailability(folder, file string) ([]protocol.DeviceID, error)
+	GetGlobalFile(folder string, file string) (protocol.FileInfo, bool, error)
+
+	// File iterators
+	//
+	// n.b. there is a slight inconsistency in the return types where some
+	// return a FileInfo iterator and some a FileMetadata iterator. The
+	// latter is more lightweight, and the discrepancy depends on how the
+	// functions tend to be used. We can introduce more variations as
+	// required.
+	AllGlobalFiles(folder string) (iter.Seq[FileMetadata], func() error)
+	AllGlobalFilesPrefix(folder string, prefix string) (iter.Seq[FileMetadata], func() error)
+	AllLocalBlocksWithHash(hash []byte) (iter.Seq[BlockMapEntry], func() error)
+	AllLocalFiles(folder string, device protocol.DeviceID) (iter.Seq[protocol.FileInfo], func() error)
+	AllLocalFilesBySequence(folder string, device protocol.DeviceID, startSeq int64, limit int) (iter.Seq[protocol.FileInfo], func() error)
+	AllLocalFilesWithPrefix(folder string, device protocol.DeviceID, prefix string) (iter.Seq[protocol.FileInfo], func() error)
+	AllLocalFilesWithBlocksHash(folder string, h []byte) (iter.Seq[FileMetadata], func() error)
+	AllLocalFilesWithBlocksHashAnyFolder(h []byte) (iter.Seq2[string, FileMetadata], func() error)
+	AllNeededGlobalFiles(folder string, device protocol.DeviceID, order config.PullOrder, limit, offset int) (iter.Seq[protocol.FileInfo], func() error)
+
+	// Cleanup
+	DropAllFiles(folder string, device protocol.DeviceID) error
+	DropDevice(device protocol.DeviceID) error
+	DropFilesNamed(folder string, device protocol.DeviceID, names []string) error
+	DropFolder(folder string) error
+
+	// Various metadata
+	GetDeviceSequence(folder string, device protocol.DeviceID) (int64, error)
+	ListFolders() ([]string, error)
+	ListDevicesForFolder(folder string) ([]protocol.DeviceID, error)
+	RemoteSequences(folder string) (map[protocol.DeviceID]int64, error)
+
+	// Counts
+	CountGlobal(folder string) (Counts, error)
+	CountLocal(folder string, device protocol.DeviceID) (Counts, error)
+	CountNeed(folder string, device protocol.DeviceID) (Counts, error)
+	CountReceiveOnlyChanged(folder string) (Counts, error)
+
+	// Index IDs
+	DropAllIndexIDs() error
+	GetIndexID(folder string, device protocol.DeviceID) (protocol.IndexID, error)
+	SetIndexID(folder string, device protocol.DeviceID, id protocol.IndexID) error
+
+	// MtimeFS
+	DeleteMtime(folder, name string) error
+	GetMtime(folder, name string) (ondisk, virtual time.Time)
+	PutMtime(folder, name string, ondisk, virtual time.Time) error
+
+	KV
+}
+
+// Generic KV store
+type KV interface {
+	GetKV(key string) ([]byte, error)
+	PutKV(key string, val []byte) error
+	DeleteKV(key string) error
+	PrefixKV(prefix string) (iter.Seq[KeyValue], func() error)
+}
+
+type BlockMapEntry struct {
+	BlocklistHash []byte
+	Offset        int64
+	BlockIndex    int
+	Size          int
+}
+
+type KeyValue struct {
+	Key   string
+	Value []byte
+}
+
+type FileMetadata struct {
+	Name       string
+	Sequence   int64
+	ModNanos   int64
+	Size       int64
+	LocalFlags int64
+	Type       protocol.FileInfoType
+	Deleted    bool
+	Invalid    bool
+}
+
+func (f *FileMetadata) ModTime() time.Time {
+	return time.Unix(0, f.ModNanos)
+}
+
+func (f *FileMetadata) IsReceiveOnlyChanged() bool {
+	return f.LocalFlags&protocol.FlagLocalReceiveOnly != 0
+}
+
+func (f *FileMetadata) IsDirectory() bool {
+	return f.Type == protocol.FileInfoTypeDirectory
+}
+
+func (f *FileMetadata) ShouldConflict() bool {
+	return f.LocalFlags&protocol.LocalConflictFlags != 0
+}

internal/db/metrics.go

@@ -0,0 +1,229 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package db
+
+import (
+	"iter"
+	"time"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
+	"github.com/syncthing/syncthing/lib/config"
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+var (
+	metricCurrentOperations = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Namespace: "syncthing",
+		Subsystem: "db",
+		Name:      "operations_current",
+	}, []string{"folder", "operation"})
+	metricTotalOperationSeconds = promauto.NewCounterVec(prometheus.CounterOpts{
+		Namespace: "syncthing",
+		Subsystem: "db",
+		Name:      "operation_seconds_total",
+		Help:      "Total time spent in database operations, per folder and operation",
+	}, []string{"folder", "operation"})
+	metricTotalOperationsCount = promauto.NewCounterVec(prometheus.CounterOpts{
+		Namespace: "syncthing",
+		Subsystem: "db",
+		Name:      "operations_total",
+		Help:      "Total number of database operations, per folder and operation",
+	}, []string{"folder", "operation"})
+	metricTotalFilesUpdatedCount = promauto.NewCounterVec(prometheus.CounterOpts{
+		Namespace: "syncthing",
+		Subsystem: "db",
+		Name:      "files_updated_total",
+		Help:      "Total number of files updated",
+	}, []string{"folder"})
+)
+
+func MetricsWrap(db DB) DB {
+	return metricsDB{db}
+}
+
+type metricsDB struct {
+	DB
+}
+
+func (m metricsDB) account(folder, op string) func() {
+	t0 := time.Now()
+	metricCurrentOperations.WithLabelValues(folder, op).Inc()
+	return func() {
+		if dur := time.Since(t0).Seconds(); dur > 0 {
+			metricTotalOperationSeconds.WithLabelValues(folder, op).Add(dur)
+		}
+		metricTotalOperationsCount.WithLabelValues(folder, op).Inc()
+		metricCurrentOperations.WithLabelValues(folder, op).Dec()
+	}
+}
+
+func (m metricsDB) AllLocalFilesWithBlocksHash(folder string, h []byte) (iter.Seq[FileMetadata], func() error) {
+	defer m.account(folder, "AllLocalFilesWithBlocksHash")()
+	return m.DB.AllLocalFilesWithBlocksHash(folder, h)
+}
+
+func (m metricsDB) AllLocalFilesWithBlocksHashAnyFolder(h []byte) (iter.Seq2[string, FileMetadata], func() error) {
+	defer m.account("-", "AllLocalFilesWithBlocksHashAnyFolder")()
+	return m.DB.AllLocalFilesWithBlocksHashAnyFolder(h)
+}
+
+func (m metricsDB) AllGlobalFiles(folder string) (iter.Seq[FileMetadata], func() error) {
+	defer m.account(folder, "AllGlobalFiles")()
+	return m.DB.AllGlobalFiles(folder)
+}
+
+func (m metricsDB) AllGlobalFilesPrefix(folder string, prefix string) (iter.Seq[FileMetadata], func() error) {
+	defer m.account(folder, "AllGlobalFilesPrefix")()
+	return m.DB.AllGlobalFilesPrefix(folder, prefix)
+}
+
+func (m metricsDB) AllLocalFiles(folder string, device protocol.DeviceID) (iter.Seq[protocol.FileInfo], func() error) {
+	defer m.account(folder, "AllLocalFiles")()
+	return m.DB.AllLocalFiles(folder, device)
+}
+
+func (m metricsDB) AllLocalFilesWithPrefix(folder string, device protocol.DeviceID, prefix string) (iter.Seq[protocol.FileInfo], func() error) {
+	defer m.account(folder, "AllLocalFilesPrefix")()
+	return m.DB.AllLocalFilesWithPrefix(folder, device, prefix)
+}
+
+func (m metricsDB) AllLocalFilesBySequence(folder string, device protocol.DeviceID, startSeq int64, limit int) (iter.Seq[protocol.FileInfo], func() error) {
+	defer m.account(folder, "AllLocalFilesBySequence")()
+	return m.DB.AllLocalFilesBySequence(folder, device, startSeq, limit)
+}
+
+func (m metricsDB) AllNeededGlobalFiles(folder string, device protocol.DeviceID, order config.PullOrder, limit, offset int) (iter.Seq[protocol.FileInfo], func() error) {
+	defer m.account(folder, "AllNeededGlobalFiles")()
+	return m.DB.AllNeededGlobalFiles(folder, device, order, limit, offset)
+}
+
+func (m metricsDB) GetGlobalAvailability(folder, file string) ([]protocol.DeviceID, error) {
+	defer m.account(folder, "GetGlobalAvailability")()
+	return m.DB.GetGlobalAvailability(folder, file)
+}
+
+func (m metricsDB) AllLocalBlocksWithHash(hash []byte) (iter.Seq[BlockMapEntry], func() error) {
+	defer m.account("-", "AllLocalBlocksWithHash")()
+	return m.DB.AllLocalBlocksWithHash(hash)
+}
+
+func (m metricsDB) Close() error {
+	defer m.account("-", "Close")()
+	return m.DB.Close()
+}
+
+func (m metricsDB) ListDevicesForFolder(folder string) ([]protocol.DeviceID, error) {
+	defer m.account(folder, "ListDevicesForFolder")()
+	return m.DB.ListDevicesForFolder(folder)
+}
+
+func (m metricsDB) RemoteSequences(folder string) (map[protocol.DeviceID]int64, error) {
+	defer m.account(folder, "RemoteSequences")()
+	return m.DB.RemoteSequences(folder)
+}
+
+func (m metricsDB) DropAllFiles(folder string, device protocol.DeviceID) error {
+	defer m.account(folder, "DropAllFiles")()
+	return m.DB.DropAllFiles(folder, device)
+}
+
+func (m metricsDB) DropDevice(device protocol.DeviceID) error {
+	defer m.account("-", "DropDevice")()
+	return m.DB.DropDevice(device)
+}
+
+func (m metricsDB) DropFilesNamed(folder string, device protocol.DeviceID, names []string) error {
+	defer m.account(folder, "DropFilesNamed")()
+	return m.DB.DropFilesNamed(folder, device, names)
+}
+
+func (m metricsDB) DropFolder(folder string) error {
+	defer m.account(folder, "DropFolder")()
+	return m.DB.DropFolder(folder)
+}
+
+func (m metricsDB) DropAllIndexIDs() error {
+	defer m.account("-", "IndexIDDropAll")()
+	return m.DB.DropAllIndexIDs()
+}
+
+func (m metricsDB) ListFolders() ([]string, error) {
+	defer m.account("-", "ListFolders")()
+	return m.DB.ListFolders()
+}
+
+func (m metricsDB) GetGlobalFile(folder string, file string) (protocol.FileInfo, bool, error) {
+	defer m.account(folder, "GetGlobalFile")()
+	return m.DB.GetGlobalFile(folder, file)
+}
+
+func (m metricsDB) CountGlobal(folder string) (Counts, error) {
+	defer m.account(folder, "CountGlobal")()
+	return m.DB.CountGlobal(folder)
+}
+
+func (m metricsDB) GetIndexID(folder string, device protocol.DeviceID) (protocol.IndexID, error) {
+	defer m.account(folder, "IndexIDGet")()
+	return m.DB.GetIndexID(folder, device)
+}
+
+func (m metricsDB) GetDeviceFile(folder string, device protocol.DeviceID, file string) (protocol.FileInfo, bool, error) {
+	defer m.account(folder, "GetDeviceFile")()
+	return m.DB.GetDeviceFile(folder, device, file)
+}
+
+func (m metricsDB) CountLocal(folder string, device protocol.DeviceID) (Counts, error) {
+	defer m.account(folder, "CountLocal")()
+	return m.DB.CountLocal(folder, device)
+}
+
+func (m metricsDB) CountNeed(folder string, device protocol.DeviceID) (Counts, error) {
+	defer m.account(folder, "CountNeed")()
+	return m.DB.CountNeed(folder, device)
+}
+
+func (m metricsDB) CountReceiveOnlyChanged(folder string) (Counts, error) {
+	defer m.account(folder, "CountReceiveOnlyChanged")()
+	return m.DB.CountReceiveOnlyChanged(folder)
+}
+
+func (m metricsDB) GetDeviceSequence(folder string, device protocol.DeviceID) (int64, error) {
+	defer m.account(folder, "GetDeviceSequence")()
+	return m.DB.GetDeviceSequence(folder, device)
+}
+
+func (m metricsDB) SetIndexID(folder string, device protocol.DeviceID, id protocol.IndexID) error {
+	defer m.account(folder, "IndexIDSet")()
+	return m.DB.SetIndexID(folder, device, id)
+}
+
+func (m metricsDB) Update(folder string, device protocol.DeviceID, fs []protocol.FileInfo) error {
+	defer m.account(folder, "Update")()
+	defer metricTotalFilesUpdatedCount.WithLabelValues(folder).Add(float64(len(fs)))
+	return m.DB.Update(folder, device, fs)
+}
+
+func (m metricsDB) GetKV(key string) ([]byte, error) {
+	defer m.account("-", "GetKV")()
+	return m.DB.GetKV(key)
+}
+
+func (m metricsDB) PutKV(key string, val []byte) error {
+	defer m.account("-", "PutKV")()
+	return m.DB.PutKV(key, val)
+}
+
+func (m metricsDB) DeleteKV(key string) error {
+	defer m.account("-", "DeleteKV")()
+	return m.DB.DeleteKV(key)
+}
+
+func (m metricsDB) PrefixKV(prefix string) (iter.Seq[KeyValue], func() error) {
+	defer m.account("-", "PrefixKV")()
+	return m.DB.PrefixKV(prefix)
+}

internal/db/observed.go

@@ -0,0 +1,205 @@
+// Copyright (C) 2020 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package db
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/types/known/timestamppb"
+
+	"github.com/syncthing/syncthing/internal/gen/dbproto"
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+type ObservedDB struct {
+	kv KV
+}
+
+func NewObservedDB(kv KV) *ObservedDB {
+	return &ObservedDB{kv: kv}
+}
+
+type ObservedFolder struct {
+	Time             time.Time `json:"time"`
+	Label            string    `json:"label"`
+	ReceiveEncrypted bool      `json:"receiveEncrypted"`
+	RemoteEncrypted  bool      `json:"remoteEncrypted"`
+}
+
+func (o *ObservedFolder) toWire() *dbproto.ObservedFolder {
+	return &dbproto.ObservedFolder{
+		Time:             timestamppb.New(o.Time),
+		Label:            o.Label,
+		ReceiveEncrypted: o.ReceiveEncrypted,
+		RemoteEncrypted:  o.RemoteEncrypted,
+	}
+}
+
+func (o *ObservedFolder) fromWire(w *dbproto.ObservedFolder) {
+	o.Time = w.GetTime().AsTime()
+	o.Label = w.GetLabel()
+	o.ReceiveEncrypted = w.GetReceiveEncrypted()
+	o.RemoteEncrypted = w.GetRemoteEncrypted()
+}
+
+type ObservedDevice struct {
+	Time    time.Time `json:"time"`
+	Name    string    `json:"name"`
+	Address string    `json:"address"`
+}
+
+func (o *ObservedDevice) fromWire(w *dbproto.ObservedDevice) {
+	o.Time = w.GetTime().AsTime()
+	o.Name = w.GetName()
+	o.Address = w.GetAddress()
+}
+
+func (db *ObservedDB) AddOrUpdatePendingDevice(device protocol.DeviceID, name, address string) error {
+	key := "device/" + device.String()
+	od := &dbproto.ObservedDevice{
+		Time:    timestamppb.New(time.Now().Truncate(time.Second)),
+		Name:    name,
+		Address: address,
+	}
+	return db.kv.PutKV(key, mustMarshal(od))
+}
+
+func (db *ObservedDB) RemovePendingDevice(device protocol.DeviceID) error {
+	key := "device/" + device.String()
+	return db.kv.DeleteKV(key)
+}
+
+// PendingDevices enumerates all entries.  Invalid ones are dropped from the database
+// after a warning log message, as a side-effect.
+func (db *ObservedDB) PendingDevices() (map[protocol.DeviceID]ObservedDevice, error) {
+	res := make(map[protocol.DeviceID]ObservedDevice)
+	it, errFn := db.kv.PrefixKV("device/")
+	for kv := range it {
+		_, keyDev, ok := strings.Cut(kv.Key, "/")
+		if !ok {
+			if err := db.kv.DeleteKV(kv.Key); err != nil {
+				return nil, fmt.Errorf("delete invalid pending device: %w", err)
+			}
+			continue
+		}
+
+		deviceID, err := protocol.DeviceIDFromString(keyDev)
+		var protoD dbproto.ObservedDevice
+		var od ObservedDevice
+		if err != nil {
+			goto deleteKey
+		}
+		if err = proto.Unmarshal(kv.Value, &protoD); err != nil {
+			goto deleteKey
+		}
+		od.fromWire(&protoD)
+		res[deviceID] = od
+		continue
+	deleteKey:
+		// Deleting invalid entries is the only possible "repair" measure and
+		// appropriate for the importance of pending entries.  They will come back
+		// soon if still relevant.
+		if err := db.kv.DeleteKV(kv.Key); err != nil {
+			return nil, fmt.Errorf("delete invalid pending device: %w", err)
+		}
+	}
+	return res, errFn()
+}
+
+func (db *ObservedDB) AddOrUpdatePendingFolder(id string, of ObservedFolder, device protocol.DeviceID) error {
+	key := "folder/" + device.String() + "/" + id
+	return db.kv.PutKV(key, mustMarshal(of.toWire()))
+}
+
+// RemovePendingFolderForDevice removes entries for specific folder / device combinations.
+func (db *ObservedDB) RemovePendingFolderForDevice(id string, device protocol.DeviceID) error {
+	key := "folder/" + device.String() + "/" + id
+	return db.kv.DeleteKV(key)
+}
+
+// RemovePendingFolder removes all entries matching a specific folder ID.
+func (db *ObservedDB) RemovePendingFolder(id string) error {
+	it, errFn := db.kv.PrefixKV("folder/")
+	for kv := range it {
+		parts := strings.Split(kv.Key, "/")
+		if len(parts) != 3 || parts[2] != id {
+			continue
+		}
+		if err := db.kv.DeleteKV(kv.Key); err != nil {
+			return fmt.Errorf("delete pending folder: %w", err)
+		}
+	}
+	return errFn()
+}
+
+// Consolidated information about a pending folder
+type PendingFolder struct {
+	OfferedBy map[protocol.DeviceID]ObservedFolder `json:"offeredBy"`
+}
+
+func (db *ObservedDB) PendingFolders() (map[string]PendingFolder, error) {
+	return db.PendingFoldersForDevice(protocol.EmptyDeviceID)
+}
+
+// PendingFoldersForDevice enumerates only entries matching the given device ID, unless it
+// is EmptyDeviceID.  Invalid ones are dropped from the database after a info log
+// message, as a side-effect.
+func (db *ObservedDB) PendingFoldersForDevice(device protocol.DeviceID) (map[string]PendingFolder, error) {
+	prefix := "folder/"
+	if device != protocol.EmptyDeviceID {
+		prefix += device.String() + "/"
+	}
+	res := make(map[string]PendingFolder)
+	it, errFn := db.kv.PrefixKV(prefix)
+	for kv := range it {
+		parts := strings.Split(kv.Key, "/")
+		if len(parts) != 3 {
+			continue
+		}
+		keyDev := parts[1]
+		deviceID, err := protocol.DeviceIDFromString(keyDev)
+		var protoF dbproto.ObservedFolder
+		var of ObservedFolder
+		var folderID string
+		if err != nil {
+			goto deleteKey
+		}
+		if folderID = parts[2]; len(folderID) < 1 {
+			goto deleteKey
+		}
+		if err = proto.Unmarshal(kv.Value, &protoF); err != nil {
+			goto deleteKey
+		}
+		if _, ok := res[folderID]; !ok {
+			res[folderID] = PendingFolder{
+				OfferedBy: map[protocol.DeviceID]ObservedFolder{},
+			}
+		}
+		of.fromWire(&protoF)
+		res[folderID].OfferedBy[deviceID] = of
+		continue
+	deleteKey:
+		// Deleting invalid entries is the only possible "repair" measure and
+		// appropriate for the importance of pending entries.  They will come back
+		// soon if still relevant.
+		if err := db.kv.DeleteKV(kv.Key); err != nil {
+			return nil, fmt.Errorf("delete invalid pending folder: %w", err)
+		}
+	}
+	return res, errFn()
+}
+
+func mustMarshal(m proto.Message) []byte {
+	bs, err := proto.Marshal(m)
+	if err != nil {
+		panic(err)
+	}
+	return bs
+}

internal/db/olddb/backend/backend.go

@@ -108,29 +108,8 @@ type Iterator interface {
 // is empty for a db in memory.
 type Backend interface {
 	Reader
-	Writer
 	NewReadTransaction() (ReadTransaction, error)
-	NewWriteTransaction(hooks ...CommitHook) (WriteTransaction, error)
 	Close() error
-	Compact() error
-	Location() string
-}
-
-type Tuning int
-
-const (
-	// N.b. these constants must match those in lib/config.Tuning!
-	TuningAuto Tuning = iota
-	TuningSmall
-	TuningLarge
-)
-
-func Open(path string, tuning Tuning) (Backend, error) {
-	return OpenLevelDB(path, tuning)
-}
-
-func OpenMemory() Backend {
-	return OpenLevelDBMemory()
 }
 
 var (

internal/db/olddb/backend/leveldb_backend.go

@@ -0,0 +1,113 @@
+// Copyright (C) 2018 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package backend
+
+import (
+	"github.com/syndtr/goleveldb/leveldb"
+	"github.com/syndtr/goleveldb/leveldb/iterator"
+	"github.com/syndtr/goleveldb/leveldb/util"
+)
+
+// leveldbBackend implements Backend on top of a leveldb
+type leveldbBackend struct {
+	ldb      *leveldb.DB
+	closeWG  *closeWaitGroup
+	location string
+}
+
+func newLeveldbBackend(ldb *leveldb.DB, location string) *leveldbBackend {
+	return &leveldbBackend{
+		ldb:      ldb,
+		closeWG:  &closeWaitGroup{},
+		location: location,
+	}
+}
+
+func (b *leveldbBackend) NewReadTransaction() (ReadTransaction, error) {
+	return b.newSnapshot()
+}
+
+func (b *leveldbBackend) newSnapshot() (leveldbSnapshot, error) {
+	rel, err := newReleaser(b.closeWG)
+	if err != nil {
+		return leveldbSnapshot{}, err
+	}
+	snap, err := b.ldb.GetSnapshot()
+	if err != nil {
+		rel.Release()
+		return leveldbSnapshot{}, wrapLeveldbErr(err)
+	}
+	return leveldbSnapshot{
+		snap: snap,
+		rel:  rel,
+	}, nil
+}
+
+func (b *leveldbBackend) Close() error {
+	b.closeWG.CloseWait()
+	return wrapLeveldbErr(b.ldb.Close())
+}
+
+func (b *leveldbBackend) Get(key []byte) ([]byte, error) {
+	val, err := b.ldb.Get(key, nil)
+	return val, wrapLeveldbErr(err)
+}
+
+func (b *leveldbBackend) NewPrefixIterator(prefix []byte) (Iterator, error) {
+	return &leveldbIterator{b.ldb.NewIterator(util.BytesPrefix(prefix), nil)}, nil
+}
+
+func (b *leveldbBackend) NewRangeIterator(first, last []byte) (Iterator, error) {
+	return &leveldbIterator{b.ldb.NewIterator(&util.Range{Start: first, Limit: last}, nil)}, nil
+}
+
+func (b *leveldbBackend) Location() string {
+	return b.location
+}
+
+// leveldbSnapshot implements backend.ReadTransaction
+type leveldbSnapshot struct {
+	snap *leveldb.Snapshot
+	rel  *releaser
+}
+
+func (l leveldbSnapshot) Get(key []byte) ([]byte, error) {
+	val, err := l.snap.Get(key, nil)
+	return val, wrapLeveldbErr(err)
+}
+
+func (l leveldbSnapshot) NewPrefixIterator(prefix []byte) (Iterator, error) {
+	return l.snap.NewIterator(util.BytesPrefix(prefix), nil), nil
+}
+
+func (l leveldbSnapshot) NewRangeIterator(first, last []byte) (Iterator, error) {
+	return l.snap.NewIterator(&util.Range{Start: first, Limit: last}, nil), nil
+}
+
+func (l leveldbSnapshot) Release() {
+	l.snap.Release()
+	l.rel.Release()
+}
+
+type leveldbIterator struct {
+	iterator.Iterator
+}
+
+func (it *leveldbIterator) Error() error {
+	return wrapLeveldbErr(it.Iterator.Error())
+}
+
+// wrapLeveldbErr wraps errors so that the backend package can recognize them
+func wrapLeveldbErr(err error) error {
+	switch err {
+	case leveldb.ErrClosed:
+		return errClosed
+	case leveldb.ErrNotFound:
+		return errNotFound
+	}
+	return err
+}

internal/db/olddb/backend/leveldb_open.go

@@ -0,0 +1,32 @@
+// Copyright (C) 2018 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package backend
+
+import (
+	"github.com/syndtr/goleveldb/leveldb"
+	"github.com/syndtr/goleveldb/leveldb/opt"
+)
+
+const dbMaxOpenFiles = 100
+
+// OpenLevelDBRO attempts to open the database at the given location, read
+// only.
+func OpenLevelDBRO(location string) (Backend, error) {
+	opts := &opt.Options{
+		OpenFilesCacheCapacity: dbMaxOpenFiles,
+		ReadOnly:               true,
+	}
+	ldb, err := open(location, opts)
+	if err != nil {
+		return nil, err
+	}
+	return newLeveldbBackend(ldb, location), nil
+}
+
+func open(location string, opts *opt.Options) (*leveldb.DB, error) {
+	return leveldb.OpenFile(location, opts)
+}

internal/db/olddb/keyer.go

@@ -4,7 +4,7 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at https://mozilla.org/MPL/2.0/.
 
-package db
+package olddb
 
 import (
 	"encoding/binary"

internal/db/olddb/lowlevel.go

@@ -0,0 +1,70 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package olddb
+
+import (
+	"encoding/binary"
+	"time"
+
+	"github.com/syncthing/syncthing/internal/db/olddb/backend"
+)
+
+// deprecatedLowlevel is the lowest level database interface. It has a very simple
+// purpose: hold the actual backend database, and the in-memory state
+// that belong to that database. In the same way that a single on disk
+// database can only be opened once, there should be only one deprecatedLowlevel for
+// any given backend.
+type deprecatedLowlevel struct {
+	backend.Backend
+	folderIdx *smallIndex
+	deviceIdx *smallIndex
+	keyer     keyer
+}
+
+func NewLowlevel(backend backend.Backend) (*deprecatedLowlevel, error) {
+	// Only log restarts in debug mode.
+	db := &deprecatedLowlevel{
+		Backend:   backend,
+		folderIdx: newSmallIndex(backend, []byte{KeyTypeFolderIdx}),
+		deviceIdx: newSmallIndex(backend, []byte{KeyTypeDeviceIdx}),
+	}
+	db.keyer = newDefaultKeyer(db.folderIdx, db.deviceIdx)
+	return db, nil
+}
+
+// ListFolders returns the list of folders currently in the database
+func (db *deprecatedLowlevel) ListFolders() []string {
+	return db.folderIdx.Values()
+}
+
+func (db *deprecatedLowlevel) IterateMtimes(fn func(folder, name string, ondisk, virtual time.Time) error) error {
+	it, err := db.NewPrefixIterator([]byte{KeyTypeVirtualMtime})
+	if err != nil {
+		return err
+	}
+	defer it.Release()
+	for it.Next() {
+		key := it.Key()[1:]
+		folderID, ok := db.folderIdx.Val(binary.BigEndian.Uint32(key))
+		if !ok {
+			continue
+		}
+		name := key[4:]
+		val := it.Value()
+		var ondisk, virtual time.Time
+		if err := ondisk.UnmarshalBinary(val[:len(val)/2]); err != nil {
+			continue
+		}
+		if err := virtual.UnmarshalBinary(val[len(val)/2:]); err != nil {
+			continue
+		}
+		if err := fn(string(folderID), string(name), ondisk, virtual); err != nil {
+			return err
+		}
+	}
+	return it.Error()
+}

internal/db/olddb/set.go

@@ -0,0 +1,67 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+// Package db provides a set type to track local/remote files with newness
+// checks. We must do a certain amount of normalization in here. We will get
+// fed paths with either native or wire-format separators and encodings
+// depending on who calls us. We transform paths to wire-format (NFC and
+// slashes) on the way to the database, and transform to native format
+// (varying separator and encoding) on the way back out.
+package olddb
+
+import (
+	"github.com/syncthing/syncthing/lib/osutil"
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+type deprecatedFileSet struct {
+	folder string
+	db     *deprecatedLowlevel
+}
+
+// The Iterator is called with either a protocol.FileInfo or a
+// FileInfoTruncated (depending on the method) and returns true to
+// continue iteration, false to stop.
+type Iterator func(f protocol.FileInfo) bool
+
+func NewFileSet(folder string, db *deprecatedLowlevel) (*deprecatedFileSet, error) {
+	s := &deprecatedFileSet{
+		folder: folder,
+		db:     db,
+	}
+	return s, nil
+}
+
+type Snapshot struct {
+	folder string
+	t      readOnlyTransaction
+}
+
+func (s *deprecatedFileSet) Snapshot() (*Snapshot, error) {
+	t, err := s.db.newReadOnlyTransaction()
+	if err != nil {
+		return nil, err
+	}
+	return &Snapshot{
+		folder: s.folder,
+		t:      t,
+	}, nil
+}
+
+func (s *Snapshot) Release() {
+	s.t.close()
+}
+
+func (s *Snapshot) WithHaveSequence(startSeq int64, fn Iterator) error {
+	return s.t.withHaveSequence([]byte(s.folder), startSeq, nativeFileIterator(fn))
+}
+
+func nativeFileIterator(fn Iterator) Iterator {
+	return func(fi protocol.FileInfo) bool {
+		fi.Name = osutil.NativeFilename(fi.Name)
+		return fn(fi)
+	}
+}

internal/db/olddb/smallindex.go

@@ -4,13 +4,13 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at https://mozilla.org/MPL/2.0/.
 
-package db
+package olddb
 
 import (
 	"encoding/binary"
 	"sort"
 
-	"github.com/syncthing/syncthing/lib/db/backend"
+	"github.com/syncthing/syncthing/internal/db/olddb/backend"
 	"github.com/syncthing/syncthing/lib/sync"
 )
 
@@ -74,23 +74,7 @@ func (i *smallIndex) ID(val []byte) (uint32, error) {
 		return id, nil
 	}
 
-	id := i.nextID
-	i.nextID++
-
-	valStr := string(val)
-	i.val2id[valStr] = id
-	i.id2val[id] = valStr
-
-	key := make([]byte, len(i.prefix)+8) // prefix plus uint32 id
-	copy(key, i.prefix)
-	binary.BigEndian.PutUint32(key[len(i.prefix):], id)
-	if err := i.db.Put(key, val); err != nil {
-		i.mut.Unlock()
-		return 0, err
-	}
-
-	i.mut.Unlock()
-	return id, nil
+	panic("missing ID")
 }
 
 // Val returns the value for the given index number, or (nil, false) if there
@@ -106,33 +90,6 @@ func (i *smallIndex) Val(id uint32) ([]byte, bool) {
 	return []byte(val), true
 }
 
-func (i *smallIndex) Delete(val []byte) error {
-	i.mut.Lock()
-	defer i.mut.Unlock()
-
-	// Check the reverse mapping to get the ID for the value.
-	if id, ok := i.val2id[string(val)]; ok {
-		// Generate the corresponding database key.
-		key := make([]byte, len(i.prefix)+8) // prefix plus uint32 id
-		copy(key, i.prefix)
-		binary.BigEndian.PutUint32(key[len(i.prefix):], id)
-
-		// Put an empty value into the database. This indicates that the
-		// entry does not exist any more and prevents the ID from being
-		// reused in the future.
-		if err := i.db.Put(key, []byte{}); err != nil {
-			return err
-		}
-
-		// Delete reverse mapping.
-		delete(i.id2val, id)
-	}
-
-	// Delete forward mapping.
-	delete(i.val2id, string(val))
-	return nil
-}
-
 // Values returns the set of values in the index
 func (i *smallIndex) Values() []string {
 	// In principle this method should return [][]byte because all the other

internal/db/olddb/transactions.go

@@ -0,0 +1,193 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package olddb
+
+import (
+	"fmt"
+
+	"google.golang.org/protobuf/proto"
+
+	"github.com/syncthing/syncthing/internal/db/olddb/backend"
+	"github.com/syncthing/syncthing/internal/gen/bep"
+	"github.com/syncthing/syncthing/internal/gen/dbproto"
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+// A readOnlyTransaction represents a database snapshot.
+type readOnlyTransaction struct {
+	backend.ReadTransaction
+	keyer keyer
+}
+
+func (db *deprecatedLowlevel) newReadOnlyTransaction() (readOnlyTransaction, error) {
+	tran, err := db.NewReadTransaction()
+	if err != nil {
+		return readOnlyTransaction{}, err
+	}
+	return db.readOnlyTransactionFromBackendTransaction(tran), nil
+}
+
+func (db *deprecatedLowlevel) readOnlyTransactionFromBackendTransaction(tran backend.ReadTransaction) readOnlyTransaction {
+	return readOnlyTransaction{
+		ReadTransaction: tran,
+		keyer:           db.keyer,
+	}
+}
+
+func (t readOnlyTransaction) close() {
+	t.Release()
+}
+
+func (t readOnlyTransaction) getFileByKey(key []byte) (protocol.FileInfo, bool, error) {
+	f, ok, err := t.getFileTrunc(key, false)
+	if err != nil || !ok {
+		return protocol.FileInfo{}, false, err
+	}
+	return f, true, nil
+}
+
+func (t readOnlyTransaction) getFileTrunc(key []byte, trunc bool) (protocol.FileInfo, bool, error) {
+	bs, err := t.Get(key)
+	if backend.IsNotFound(err) {
+		return protocol.FileInfo{}, false, nil
+	}
+	if err != nil {
+		return protocol.FileInfo{}, false, err
+	}
+	f, err := t.unmarshalTrunc(bs, trunc)
+	if backend.IsNotFound(err) {
+		return protocol.FileInfo{}, false, nil
+	}
+	if err != nil {
+		return protocol.FileInfo{}, false, err
+	}
+	return f, true, nil
+}
+
+func (t readOnlyTransaction) unmarshalTrunc(bs []byte, trunc bool) (protocol.FileInfo, error) {
+	if trunc {
+		var bfi dbproto.FileInfoTruncated
+		err := proto.Unmarshal(bs, &bfi)
+		if err != nil {
+			return protocol.FileInfo{}, err
+		}
+		if err := t.fillTruncated(&bfi); err != nil {
+			return protocol.FileInfo{}, err
+		}
+		return protocol.FileInfoFromDBTruncated(&bfi), nil
+	}
+
+	var bfi bep.FileInfo
+	err := proto.Unmarshal(bs, &bfi)
+	if err != nil {
+		return protocol.FileInfo{}, err
+	}
+	if err := t.fillFileInfo(&bfi); err != nil {
+		return protocol.FileInfo{}, err
+	}
+	return protocol.FileInfoFromDB(&bfi), nil
+}
+
+type blocksIndirectionError struct {
+	err error
+}
+
+func (e *blocksIndirectionError) Error() string {
+	return fmt.Sprintf("filling Blocks: %v", e.err)
+}
+
+func (e *blocksIndirectionError) Unwrap() error {
+	return e.err
+}
+
+// fillFileInfo follows the (possible) indirection of blocks and version
+// vector and fills it out.
+func (t readOnlyTransaction) fillFileInfo(fi *bep.FileInfo) error {
+	var key []byte
+
+	if len(fi.Blocks) == 0 && len(fi.BlocksHash) != 0 {
+		// The blocks list is indirected and we need to load it.
+		key = t.keyer.GenerateBlockListKey(key, fi.BlocksHash)
+		bs, err := t.Get(key)
+		if err != nil {
+			return &blocksIndirectionError{err}
+		}
+		var bl dbproto.BlockList
+		if err := proto.Unmarshal(bs, &bl); err != nil {
+			return err
+		}
+		fi.Blocks = bl.Blocks
+	}
+
+	if len(fi.VersionHash) != 0 {
+		key = t.keyer.GenerateVersionKey(key, fi.VersionHash)
+		bs, err := t.Get(key)
+		if err != nil {
+			return fmt.Errorf("filling Version: %w", err)
+		}
+		var v bep.Vector
+		if err := proto.Unmarshal(bs, &v); err != nil {
+			return err
+		}
+		fi.Version = &v
+	}
+
+	return nil
+}
+
+// fillTruncated follows the (possible) indirection of version vector and
+// fills it.
+func (t readOnlyTransaction) fillTruncated(fi *dbproto.FileInfoTruncated) error {
+	var key []byte
+
+	if len(fi.VersionHash) == 0 {
+		return nil
+	}
+
+	key = t.keyer.GenerateVersionKey(key, fi.VersionHash)
+	bs, err := t.Get(key)
+	if err != nil {
+		return err
+	}
+	var v bep.Vector
+	if err := proto.Unmarshal(bs, &v); err != nil {
+		return err
+	}
+	fi.Version = &v
+	return nil
+}
+
+func (t *readOnlyTransaction) withHaveSequence(folder []byte, startSeq int64, fn Iterator) error {
+	first, err := t.keyer.GenerateSequenceKey(nil, folder, startSeq)
+	if err != nil {
+		return err
+	}
+	last, err := t.keyer.GenerateSequenceKey(nil, folder, maxInt64)
+	if err != nil {
+		return err
+	}
+	dbi, err := t.NewRangeIterator(first, last)
+	if err != nil {
+		return err
+	}
+	defer dbi.Release()
+
+	for dbi.Next() {
+		f, ok, err := t.getFileByKey(dbi.Value())
+		if err != nil {
+			return err
+		}
+		if !ok {
+			continue
+		}
+
+		if !fn(f) {
+			return nil
+		}
+	}
+	return dbi.Error()
+}

internal/db/sqlite/db.go

@@ -0,0 +1,77 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"sync"
+	"time"
+
+	"github.com/jmoiron/sqlx"
+	"github.com/syncthing/syncthing/internal/db"
+	"github.com/syncthing/syncthing/lib/protocol"
+	"github.com/thejerf/suture/v4"
+)
+
+type DB struct {
+	sql            *sqlx.DB
+	localDeviceIdx int64
+	updateLock     sync.Mutex
+
+	statementsMut sync.RWMutex
+	statements    map[string]*sqlx.Stmt
+	tplInput      map[string]any
+}
+
+var _ db.DB = (*DB)(nil)
+
+func (s *DB) Close() error {
+	s.updateLock.Lock()
+	s.statementsMut.Lock()
+	defer s.updateLock.Unlock()
+	defer s.statementsMut.Unlock()
+	for _, stmt := range s.statements {
+		stmt.Close()
+	}
+	return wrap(s.sql.Close())
+}
+
+func (s *DB) Service(maintenanceInterval time.Duration) suture.Service {
+	return newService(s, maintenanceInterval)
+}
+
+func (s *DB) ListFolders() ([]string, error) {
+	var res []string
+	err := s.stmt(`
+		SELECT folder_id FROM folders
+		ORDER BY folder_id
+	`).Select(&res)
+	return res, wrap(err)
+}
+
+func (s *DB) ListDevicesForFolder(folder string) ([]protocol.DeviceID, error) {
+	var res []string
+	err := s.stmt(`
+		SELECT d.device_id FROM counts s
+		INNER JOIN folders o ON o.idx = s.folder_idx
+		INNER JOIN devices d ON d.idx = s.device_idx
+		WHERE o.folder_id = ? AND s.count > 0 AND s.device_idx != {{.LocalDeviceIdx}}
+		GROUP BY d.device_id
+		ORDER BY d.device_id
+	`).Select(&res, folder)
+	if err != nil {
+		return nil, wrap(err)
+	}
+
+	devs := make([]protocol.DeviceID, len(res))
+	for i, s := range res {
+		devs[i], err = protocol.DeviceIDFromString(s)
+		if err != nil {
+			return nil, wrap(err)
+		}
+	}
+	return devs, nil
+}

internal/db/sqlite/db_bench_test.go

@@ -0,0 +1,243 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"context"
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/syncthing/syncthing/internal/timeutil"
+	"github.com/syncthing/syncthing/lib/config"
+	"github.com/syncthing/syncthing/lib/protocol"
+	"github.com/syncthing/syncthing/lib/rand"
+)
+
+var globalFi protocol.FileInfo
+
+func BenchmarkUpdate(b *testing.B) {
+	db, err := OpenTemp()
+	if err != nil {
+		b.Fatal(err)
+	}
+	b.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			b.Fatal(err)
+		}
+	})
+	svc := db.Service(time.Hour).(*Service)
+
+	fs := make([]protocol.FileInfo, 100)
+	seed := 0
+
+	size := 10000
+	for size < 200_000 {
+		t0 := time.Now()
+		if err := svc.periodic(context.Background()); err != nil {
+			b.Fatal(err)
+		}
+		b.Log("garbage collect in", time.Since(t0))
+
+		for {
+			local, err := db.CountLocal(folderID, protocol.LocalDeviceID)
+			if err != nil {
+				b.Fatal(err)
+			}
+			if local.Files >= size {
+				break
+			}
+			fs := make([]protocol.FileInfo, 1000)
+			for i := range fs {
+				fs[i] = genFile(rand.String(24), 64, 0)
+			}
+			if err := db.Update(folderID, protocol.LocalDeviceID, fs); err != nil {
+				b.Fatal(err)
+			}
+		}
+
+		b.Run(fmt.Sprintf("Insert100Loc@%d", size), func(b *testing.B) {
+			for range b.N {
+				for i := range fs {
+					fs[i] = genFile(rand.String(24), 64, 0)
+				}
+				if err := db.Update(folderID, protocol.LocalDeviceID, fs); err != nil {
+					b.Fatal(err)
+				}
+			}
+			b.ReportMetric(float64(b.N)*100.0/b.Elapsed().Seconds(), "files/s")
+		})
+
+		b.Run(fmt.Sprintf("RepBlocks100@%d", size), func(b *testing.B) {
+			for range b.N {
+				for i := range fs {
+					fs[i].Blocks = genBlocks(fs[i].Name, seed, 64)
+					fs[i].Version = fs[i].Version.Update(42)
+				}
+				seed++
+				if err := db.Update(folderID, protocol.LocalDeviceID, fs); err != nil {
+					b.Fatal(err)
+				}
+			}
+			b.ReportMetric(float64(b.N)*100.0/b.Elapsed().Seconds(), "files/s")
+		})
+
+		b.Run(fmt.Sprintf("RepSame100@%d", size), func(b *testing.B) {
+			for range b.N {
+				for i := range fs {
+					fs[i].Version = fs[i].Version.Update(42)
+				}
+				if err := db.Update(folderID, protocol.LocalDeviceID, fs); err != nil {
+					b.Fatal(err)
+				}
+			}
+			b.ReportMetric(float64(b.N)*100.0/b.Elapsed().Seconds(), "files/s")
+		})
+
+		b.Run(fmt.Sprintf("Insert100Rem@%d", size), func(b *testing.B) {
+			for range b.N {
+				for i := range fs {
+					fs[i].Blocks = genBlocks(fs[i].Name, seed, 64)
+					fs[i].Version = fs[i].Version.Update(42)
+					fs[i].Sequence = timeutil.StrictlyMonotonicNanos()
+				}
+				if err := db.Update(folderID, protocol.DeviceID{42}, fs); err != nil {
+					b.Fatal(err)
+				}
+			}
+			b.ReportMetric(float64(b.N)*100.0/b.Elapsed().Seconds(), "files/s")
+		})
+
+		b.Run(fmt.Sprintf("GetGlobal100@%d", size), func(b *testing.B) {
+			for range b.N {
+				for i := range fs {
+					_, ok, err := db.GetGlobalFile(folderID, fs[i].Name)
+					if err != nil {
+						b.Fatal(err)
+					}
+					if !ok {
+						b.Fatal("should exist")
+					}
+				}
+			}
+			b.ReportMetric(float64(b.N)*100.0/b.Elapsed().Seconds(), "files/s")
+		})
+
+		b.Run(fmt.Sprintf("LocalSequenced@%d", size), func(b *testing.B) {
+			count := 0
+			for range b.N {
+				cur, err := db.GetDeviceSequence(folderID, protocol.LocalDeviceID)
+				if err != nil {
+					b.Fatal(err)
+				}
+				it, errFn := db.AllLocalFilesBySequence(folderID, protocol.LocalDeviceID, cur-100, 0)
+				for f := range it {
+					count++
+					globalFi = f
+				}
+				if err := errFn(); err != nil {
+					b.Fatal(err)
+				}
+			}
+			b.ReportMetric(float64(count)/b.Elapsed().Seconds(), "files/s")
+		})
+
+		b.Run(fmt.Sprintf("GetDeviceSequenceLoc@%d", size), func(b *testing.B) {
+			for range b.N {
+				_, err := db.GetDeviceSequence(folderID, protocol.LocalDeviceID)
+				if err != nil {
+					b.Fatal(err)
+				}
+			}
+		})
+		b.Run(fmt.Sprintf("GetDeviceSequenceRem@%d", size), func(b *testing.B) {
+			for range b.N {
+				_, err := db.GetDeviceSequence(folderID, protocol.DeviceID{42})
+				if err != nil {
+					b.Fatal(err)
+				}
+			}
+		})
+
+		b.Run(fmt.Sprintf("RemoteNeed@%d", size), func(b *testing.B) {
+			count := 0
+			for range b.N {
+				it, errFn := db.AllNeededGlobalFiles(folderID, protocol.DeviceID{42}, config.PullOrderAlphabetic, 0, 0)
+				for f := range it {
+					count++
+					globalFi = f
+				}
+				if err := errFn(); err != nil {
+					b.Fatal(err)
+				}
+			}
+			b.ReportMetric(float64(count)/b.Elapsed().Seconds(), "files/s")
+		})
+
+		b.Run(fmt.Sprintf("LocalNeed100Largest@%d", size), func(b *testing.B) {
+			count := 0
+			for range b.N {
+				it, errFn := db.AllNeededGlobalFiles(folderID, protocol.LocalDeviceID, config.PullOrderLargestFirst, 100, 0)
+				for f := range it {
+					globalFi = f
+					count++
+				}
+				if err := errFn(); err != nil {
+					b.Fatal(err)
+				}
+			}
+			b.ReportMetric(float64(count)/b.Elapsed().Seconds(), "files/s")
+		})
+
+		size <<= 1
+	}
+}
+
+func TestBenchmarkDropAllRemote(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	fs := make([]protocol.FileInfo, 1000)
+	seq := 0
+	for {
+		local, err := db.CountLocal(folderID, protocol.LocalDeviceID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if local.Files >= 15_000 {
+			break
+		}
+		for i := range fs {
+			seq++
+			fs[i] = genFile(rand.String(24), 64, seq)
+		}
+		if err := db.Update(folderID, protocol.DeviceID{42}, fs); err != nil {
+			t.Fatal(err)
+		}
+		if err := db.Update(folderID, protocol.LocalDeviceID, fs); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	t0 := time.Now()
+	if err := db.DropAllFiles(folderID, protocol.DeviceID{42}); err != nil {
+		t.Fatal(err)
+	}
+	d := time.Since(t0)
+	t.Log("drop all took", d)
+}

internal/db/sqlite/db_counts.go

@@ -0,0 +1,137 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"github.com/syncthing/syncthing/internal/db"
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+type countsRow struct {
+	Type       protocol.FileInfoType
+	Count      int
+	Size       int64
+	Deleted    bool
+	LocalFlags int64 `db:"local_flags"`
+}
+
+func (s *DB) CountLocal(folder string, device protocol.DeviceID) (db.Counts, error) {
+	var res []countsRow
+	if err := s.stmt(`
+		SELECT s.type, s.count, s.size, s.local_flags, s.deleted FROM counts s
+		INNER JOIN folders o ON o.idx = s.folder_idx
+		INNER JOIN devices d ON d.idx = s.device_idx
+		WHERE o.folder_id = ? AND d.device_id = ? AND s.local_flags & {{.FlagLocalIgnored}} = 0
+	`).Select(&res, folder, device.String()); err != nil {
+		return db.Counts{}, wrap(err)
+	}
+	return summarizeCounts(res), nil
+}
+
+func (s *DB) CountNeed(folder string, device protocol.DeviceID) (db.Counts, error) {
+	if device == protocol.LocalDeviceID {
+		return s.needSizeLocal(folder)
+	}
+	return s.needSizeRemote(folder, device)
+}
+
+func (s *DB) CountGlobal(folder string) (db.Counts, error) {
+	// Exclude ignored and receive-only changed files from the global count
+	// (legacy expectation? it's a bit weird since those files can in fact
+	// be global and you can get them with GetGlobal etc.)
+	var res []countsRow
+	err := s.stmt(`
+		SELECT s.type, s.count, s.size, s.local_flags, s.deleted FROM counts s
+		INNER JOIN folders o ON o.idx = s.folder_idx
+		WHERE o.folder_id = ? AND s.local_flags & {{.FlagLocalGlobal}} != 0 AND s.local_flags & {{or .FlagLocalReceiveOnly .FlagLocalIgnored}} = 0
+	`).Select(&res, folder)
+	if err != nil {
+		return db.Counts{}, wrap(err)
+	}
+	return summarizeCounts(res), nil
+}
+
+func (s *DB) CountReceiveOnlyChanged(folder string) (db.Counts, error) {
+	var res []countsRow
+	err := s.stmt(`
+		SELECT s.type, s.count, s.size, s.local_flags, s.deleted FROM counts s
+		INNER JOIN folders o ON o.idx = s.folder_idx
+		WHERE o.folder_id = ? AND local_flags & {{.FlagLocalReceiveOnly}} != 0
+	`).Select(&res, folder)
+	if err != nil {
+		return db.Counts{}, wrap(err)
+	}
+	return summarizeCounts(res), nil
+}
+
+func (s *DB) needSizeLocal(folder string) (db.Counts, error) {
+	// The need size for the local device is the sum of entries with the
+	// need bit set.
+	var res []countsRow
+	err := s.stmt(`
+		SELECT s.type, s.count, s.size, s.local_flags, s.deleted FROM counts s
+		INNER JOIN folders o ON o.idx = s.folder_idx
+		WHERE o.folder_id = ? AND s.local_flags & {{.FlagLocalNeeded}} != 0
+	`).Select(&res, folder)
+	if err != nil {
+		return db.Counts{}, wrap(err)
+	}
+	return summarizeCounts(res), nil
+}
+
+func (s *DB) needSizeRemote(folder string, device protocol.DeviceID) (db.Counts, error) {
+	var res []countsRow
+	// See neededGlobalFilesRemote for commentary as that is the same query without summing
+	if err := s.stmt(`
+		SELECT g.type, count(*) as count, sum(g.size) as size, g.local_flags, g.deleted FROM files g
+		INNER JOIN folders o ON o.idx = g.folder_idx
+		WHERE o.folder_id = ? AND g.local_flags & {{.FlagLocalGlobal}} != 0 AND NOT g.deleted AND NOT g.invalid AND NOT EXISTS (
+			SELECT 1 FROM FILES f
+			INNER JOIN devices d ON d.idx = f.device_idx
+			WHERE f.name = g.name AND f.version = g.version AND f.folder_idx = g.folder_idx AND d.device_id = ?
+		)
+		GROUP BY g.type, g.local_flags, g.deleted
+
+		UNION ALL
+
+		SELECT g.type, count(*) as count, sum(g.size) as size, g.local_flags, g.deleted FROM files g
+		INNER JOIN folders o ON o.idx = g.folder_idx
+		WHERE o.folder_id = ? AND g.local_flags & {{.FlagLocalGlobal}} != 0 AND g.deleted AND NOT g.invalid AND EXISTS (
+			SELECT 1 FROM FILES f
+			INNER JOIN devices d ON d.idx = f.device_idx
+			WHERE f.name = g.name AND f.folder_idx = g.folder_idx AND d.device_id = ? AND NOT f.deleted
+		)
+		GROUP BY g.type, g.local_flags, g.deleted
+	`).Select(&res, folder, device.String(),
+		folder, device.String()); err != nil {
+		return db.Counts{}, wrap(err)
+	}
+
+	return summarizeCounts(res), nil
+}
+
+func summarizeCounts(res []countsRow) db.Counts {
+	c := db.Counts{
+		DeviceID: protocol.LocalDeviceID,
+	}
+	for _, r := range res {
+		switch {
+		case r.Deleted:
+			c.Deleted += r.Count
+		case r.Type == protocol.FileInfoTypeFile:
+			c.Files += r.Count
+			c.Bytes += r.Size
+		case r.Type == protocol.FileInfoTypeDirectory:
+			c.Directories += r.Count
+			c.Bytes += r.Size
+		case r.Type == protocol.FileInfoTypeSymlink:
+			c.Symlinks += r.Count
+			c.Bytes += r.Size
+		}
+	}
+	return c
+}

internal/db/sqlite/db_global.go

@@ -0,0 +1,189 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"database/sql"
+	"errors"
+	"fmt"
+	"iter"
+
+	"github.com/syncthing/syncthing/internal/db"
+	"github.com/syncthing/syncthing/internal/itererr"
+	"github.com/syncthing/syncthing/lib/config"
+	"github.com/syncthing/syncthing/lib/osutil"
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+func (s *DB) GetGlobalFile(folder string, file string) (protocol.FileInfo, bool, error) {
+	file = osutil.NormalizedFilename(file)
+
+	var ind indirectFI
+	err := s.stmt(`
+		SELECT fi.fiprotobuf, bl.blprotobuf FROM fileinfos fi
+		INNER JOIN files f on fi.sequence = f.sequence
+		LEFT JOIN blocklists bl ON bl.blocklist_hash = f.blocklist_hash
+		INNER JOIN folders o ON o.idx = f.folder_idx
+		WHERE o.folder_id = ? AND f.name = ? AND f.local_flags & {{.FlagLocalGlobal}} != 0
+	`).Get(&ind, folder, file)
+	if errors.Is(err, sql.ErrNoRows) {
+		return protocol.FileInfo{}, false, nil
+	}
+	if err != nil {
+		return protocol.FileInfo{}, false, wrap(err)
+	}
+	fi, err := ind.FileInfo()
+	if err != nil {
+		return protocol.FileInfo{}, false, wrap(err)
+	}
+	return fi, true, nil
+}
+
+func (s *DB) GetGlobalAvailability(folder, file string) ([]protocol.DeviceID, error) {
+	file = osutil.NormalizedFilename(file)
+
+	var devStrs []string
+	err := s.stmt(`
+		SELECT d.device_id FROM files f
+		INNER JOIN devices d ON d.idx = f.device_idx
+		INNER JOIN folders o ON o.idx = f.folder_idx
+		INNER JOIN files g ON f.folder_idx = g.folder_idx AND g.version = f.version AND g.name = f.name
+		WHERE o.folder_id = ? AND g.name = ? AND g.local_flags & {{.FlagLocalGlobal}} != 0 AND f.device_idx != {{.LocalDeviceIdx}}
+		ORDER BY d.device_id
+	`).Select(&devStrs, folder, file)
+	if errors.Is(err, sql.ErrNoRows) {
+		return nil, nil
+	}
+	if err != nil {
+		return nil, wrap(err)
+	}
+
+	devs := make([]protocol.DeviceID, 0, len(devStrs))
+	for _, s := range devStrs {
+		d, err := protocol.DeviceIDFromString(s)
+		if err != nil {
+			return nil, wrap(err)
+		}
+		devs = append(devs, d)
+	}
+
+	return devs, nil
+}
+
+func (s *DB) AllGlobalFiles(folder string) (iter.Seq[db.FileMetadata], func() error) {
+	it, errFn := iterStructs[db.FileMetadata](s.stmt(`
+		SELECT f.sequence, f.name, f.type, f.modified as modnanos, f.size, f.deleted, f.invalid, f.local_flags as localflags FROM files f
+		INNER JOIN folders o ON o.idx = f.folder_idx
+		WHERE o.folder_id = ? AND f.local_flags & {{.FlagLocalGlobal}} != 0
+		ORDER BY f.name
+	`).Queryx(folder))
+	return itererr.Map(it, errFn, func(m db.FileMetadata) (db.FileMetadata, error) {
+		m.Name = osutil.NativeFilename(m.Name)
+		return m, nil
+	})
+}
+
+func (s *DB) AllGlobalFilesPrefix(folder string, prefix string) (iter.Seq[db.FileMetadata], func() error) {
+	if prefix == "" {
+		return s.AllGlobalFiles(folder)
+	}
+
+	prefix = osutil.NormalizedFilename(prefix)
+	end := prefixEnd(prefix)
+
+	it, errFn := iterStructs[db.FileMetadata](s.stmt(`
+		SELECT f.sequence, f.name, f.type, f.modified as modnanos, f.size, f.deleted, f.invalid, f.local_flags as localflags FROM files f
+		INNER JOIN folders o ON o.idx = f.folder_idx
+		WHERE o.folder_id = ? AND f.name >= ? AND f.name < ? AND f.local_flags & {{.FlagLocalGlobal}} != 0
+		ORDER BY f.name
+	`).Queryx(folder, prefix, end))
+	return itererr.Map(it, errFn, func(m db.FileMetadata) (db.FileMetadata, error) {
+		m.Name = osutil.NativeFilename(m.Name)
+		return m, nil
+	})
+}
+
+func (s *DB) AllNeededGlobalFiles(folder string, device protocol.DeviceID, order config.PullOrder, limit, offset int) (iter.Seq[protocol.FileInfo], func() error) {
+	var selectOpts string
+	switch order {
+	case config.PullOrderRandom:
+		selectOpts = "ORDER BY RANDOM()"
+	case config.PullOrderAlphabetic:
+		selectOpts = "ORDER BY g.name ASC"
+	case config.PullOrderSmallestFirst:
+		selectOpts = "ORDER BY g.size ASC"
+	case config.PullOrderLargestFirst:
+		selectOpts = "ORDER BY g.size DESC"
+	case config.PullOrderOldestFirst:
+		selectOpts = "ORDER BY g.modified ASC"
+	case config.PullOrderNewestFirst:
+		selectOpts = "ORDER BY g.modified DESC"
+	}
+
+	if limit > 0 {
+		selectOpts += fmt.Sprintf(" LIMIT %d", limit)
+	}
+	if offset > 0 {
+		selectOpts += fmt.Sprintf(" OFFSET %d", offset)
+	}
+
+	if device == protocol.LocalDeviceID {
+		return s.neededGlobalFilesLocal(folder, selectOpts)
+	}
+
+	return s.neededGlobalFilesRemote(folder, device, selectOpts)
+}
+
+func (s *DB) neededGlobalFilesLocal(folder, selectOpts string) (iter.Seq[protocol.FileInfo], func() error) {
+	// Select all the non-ignored files with the need bit set.
+	it, errFn := iterStructs[indirectFI](s.stmt(`
+		SELECT fi.fiprotobuf, bl.blprotobuf, g.name, g.size, g.modified FROM fileinfos fi
+		INNER JOIN files g on fi.sequence = g.sequence
+		LEFT JOIN blocklists bl ON bl.blocklist_hash = g.blocklist_hash
+		INNER JOIN folders o ON o.idx = g.folder_idx
+		WHERE o.folder_id = ? AND g.local_flags & {{.FlagLocalIgnored}} = 0 AND g.local_flags & {{.FlagLocalNeeded}} != 0
+	` + selectOpts).Queryx(folder))
+	return itererr.Map(it, errFn, indirectFI.FileInfo)
+}
+
+func (s *DB) neededGlobalFilesRemote(folder string, device protocol.DeviceID, selectOpts string) (iter.Seq[protocol.FileInfo], func() error) {
+	// Select:
+	//
+	// - all the valid, non-deleted global files that don't have a corresponding
+	//   remote file with the same version.
+	//
+	// - all the valid, deleted global files that have a corresponding non-deleted
+	//   remote file (of any version)
+
+	it, errFn := iterStructs[indirectFI](s.stmt(`
+		SELECT fi.fiprotobuf, bl.blprotobuf, g.name, g.size, g.modified FROM fileinfos fi
+		INNER JOIN files g on fi.sequence = g.sequence
+		LEFT JOIN blocklists bl ON bl.blocklist_hash = g.blocklist_hash
+		INNER JOIN folders o ON o.idx = g.folder_idx
+		WHERE o.folder_id = ? AND g.local_flags & {{.FlagLocalGlobal}} != 0 AND NOT g.deleted AND NOT g.invalid AND NOT EXISTS (
+			SELECT 1 FROM FILES f
+			INNER JOIN devices d ON d.idx = f.device_idx
+			WHERE f.name = g.name AND f.version = g.version AND f.folder_idx = g.folder_idx AND d.device_id = ?
+		)
+
+		UNION ALL
+
+		SELECT fi.fiprotobuf, bl.blprotobuf, g.name, g.size, g.modified FROM fileinfos fi
+		INNER JOIN files g on fi.sequence = g.sequence
+		LEFT JOIN blocklists bl ON bl.blocklist_hash = g.blocklist_hash
+		INNER JOIN folders o ON o.idx = g.folder_idx
+		WHERE o.folder_id = ? AND g.local_flags & {{.FlagLocalGlobal}} != 0 AND g.deleted AND NOT g.invalid AND EXISTS (
+			SELECT 1 FROM FILES f
+			INNER JOIN devices d ON d.idx = f.device_idx
+			WHERE f.name = g.name AND f.folder_idx = g.folder_idx AND d.device_id = ? AND NOT f.deleted
+		)
+	`+selectOpts).Queryx(
+		folder, device.String(),
+		folder, device.String(),
+	))
+	return itererr.Map(it, errFn, indirectFI.FileInfo)
+}

internal/db/sqlite/db_global_test.go

@@ -0,0 +1,493 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"slices"
+	"testing"
+
+	"github.com/syncthing/syncthing/lib/config"
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+func TestNeed(t *testing.T) {
+	t.Helper()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	// Some local files
+	var v protocol.Vector
+	baseV := v.Update(1)
+	newerV := baseV.Update(42)
+	files := []protocol.FileInfo{
+		genFile("test1", 1, 0), // remote need
+		genFile("test2", 2, 0), // local need
+		genFile("test3", 3, 0), // global
+	}
+	files[0].Version = baseV
+	files[1].Version = baseV
+	files[2].Version = newerV
+	err = db.Update(folderID, protocol.LocalDeviceID, files)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Some remote files
+	remote := []protocol.FileInfo{
+		genFile("test2", 2, 100), // global
+		genFile("test3", 3, 101), // remote need
+		genFile("test4", 4, 102), // local need
+	}
+	remote[0].Version = newerV
+	remote[1].Version = baseV
+	remote[2].Version = newerV
+	err = db.Update(folderID, protocol.DeviceID{42}, remote)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// A couple are needed locally
+	localNeed := fiNames(mustCollect[protocol.FileInfo](t)(db.AllNeededGlobalFiles(folderID, protocol.LocalDeviceID, config.PullOrderAlphabetic, 0, 0)))
+	if !slices.Equal(localNeed, []string{"test2", "test4"}) {
+		t.Log(localNeed)
+		t.Fatal("bad local need")
+	}
+
+	// Another couple are needed remotely
+	remoteNeed := fiNames(mustCollect[protocol.FileInfo](t)(db.AllNeededGlobalFiles(folderID, protocol.DeviceID{42}, config.PullOrderAlphabetic, 0, 0)))
+	if !slices.Equal(remoteNeed, []string{"test1", "test3"}) {
+		t.Log(remoteNeed)
+		t.Fatal("bad remote need")
+	}
+}
+
+func TestDropRecalcsGlobal(t *testing.T) {
+	// When we drop a device we may get a new global
+
+	t.Parallel()
+
+	t.Run("DropAllFiles", func(t *testing.T) {
+		t.Parallel()
+
+		testDropWithDropper(t, func(t *testing.T, db *DB) {
+			t.Helper()
+			if err := db.DropAllFiles(folderID, protocol.DeviceID{42}); err != nil {
+				t.Fatal(err)
+			}
+		})
+	})
+
+	t.Run("DropDevice", func(t *testing.T) {
+		t.Parallel()
+
+		testDropWithDropper(t, func(t *testing.T, db *DB) {
+			t.Helper()
+			if err := db.DropDevice(protocol.DeviceID{42}); err != nil {
+				t.Fatal(err)
+			}
+		})
+	})
+
+	t.Run("DropFilesNamed", func(t *testing.T) {
+		t.Parallel()
+
+		testDropWithDropper(t, func(t *testing.T, db *DB) {
+			t.Helper()
+			if err := db.DropFilesNamed(folderID, protocol.DeviceID{42}, []string{"test1", "test42"}); err != nil {
+				t.Fatal(err)
+			}
+		})
+	})
+}
+
+func testDropWithDropper(t *testing.T, dropper func(t *testing.T, db *DB)) {
+	t.Helper()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	// Some local files
+	err = db.Update(folderID, protocol.LocalDeviceID, []protocol.FileInfo{
+		genFile("test1", 1, 0),
+		genFile("test2", 2, 0),
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Some remote files
+	remote := []protocol.FileInfo{
+		genFile("test1", 3, 0),
+	}
+	remote[0].Version = remote[0].Version.Update(42)
+	err = db.Update(folderID, protocol.DeviceID{42}, remote)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Remote test1 wins as the global, verify.
+	count, err := db.CountGlobal(folderID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if count.Bytes != (2+3)*128<<10 {
+		t.Log(count)
+		t.Fatal("bad global size to begin with")
+	}
+	if g, ok, err := db.GetGlobalFile(folderID, "test1"); err != nil || !ok {
+		t.Fatal("missing global to begin with")
+	} else if g.Size != 3*128<<10 {
+		t.Fatal("remote test1 should be the global")
+	}
+
+	// Now remove that remote device
+	dropper(t, db)
+
+	// Our test1 should now be the global
+	count, err = db.CountGlobal(folderID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if count.Bytes != (1+2)*128<<10 {
+		t.Log(count)
+		t.Fatal("bad global size after drop")
+	}
+	if g, ok, err := db.GetGlobalFile(folderID, "test1"); err != nil || !ok {
+		t.Fatal("missing global after drop")
+	} else if g.Size != 1*128<<10 {
+		t.Fatal("local test1 should be the global")
+	}
+}
+
+func TestNeedDeleted(t *testing.T) {
+	t.Parallel()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	// Some local files
+	err = db.Update(folderID, protocol.LocalDeviceID, []protocol.FileInfo{
+		genFile("test1", 1, 0),
+		genFile("test2", 2, 0),
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// A remote deleted file
+	remote := []protocol.FileInfo{
+		genFile("test1", 1, 101),
+	}
+	remote[0].SetDeleted(42)
+	err = db.Update(folderID, protocol.DeviceID{42}, remote)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// We need the one deleted file
+	s, err := db.CountNeed(folderID, protocol.LocalDeviceID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if s.Bytes != 0 || s.Deleted != 1 {
+		t.Log(s)
+		t.Error("bad need")
+	}
+}
+
+func TestDontNeedIgnored(t *testing.T) {
+	t.Parallel()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	// A remote file
+	files := []protocol.FileInfo{
+		genFile("test1", 1, 103),
+	}
+	err = db.Update(folderID, protocol.DeviceID{42}, files)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Which we've ignored locally
+	files[0].SetIgnored()
+	err = db.Update(folderID, protocol.LocalDeviceID, files)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// We don't need it
+	s, err := db.CountNeed(folderID, protocol.LocalDeviceID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if s.Bytes != 0 || s.Files != 0 {
+		t.Log(s)
+		t.Error("bad need")
+	}
+
+	// It shouldn't show up in the need list
+	names := mustCollect[protocol.FileInfo](t)(db.AllNeededGlobalFiles(folderID, protocol.LocalDeviceID, config.PullOrderAlphabetic, 0, 0))
+	if len(names) != 0 {
+		t.Log(names)
+		t.Error("need no files")
+	}
+}
+
+func TestRemoveDontNeedLocalIgnored(t *testing.T) {
+	t.Parallel()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	// A local ignored file
+	file := genFile("test1", 1, 103)
+	file.SetIgnored()
+	files := []protocol.FileInfo{file}
+	err = db.Update(folderID, protocol.LocalDeviceID, files)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Which the remote doesn't have (no update)
+
+	// They don't need it
+	s, err := db.CountNeed(folderID, protocol.DeviceID{42})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if s.Bytes != 0 || s.Files != 0 {
+		t.Log(s)
+		t.Error("bad need")
+	}
+
+	// It shouldn't show up in their need list
+	names := mustCollect[protocol.FileInfo](t)(db.AllNeededGlobalFiles(folderID, protocol.DeviceID{42}, config.PullOrderAlphabetic, 0, 0))
+	if len(names) != 0 {
+		t.Log(names)
+		t.Error("need no files")
+	}
+}
+
+func TestLocalDontNeedDeletedMissing(t *testing.T) {
+	t.Parallel()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	// A remote deleted file
+	file := genFile("test1", 1, 103)
+	file.SetDeleted(42)
+	files := []protocol.FileInfo{file}
+	err = db.Update(folderID, protocol.DeviceID{42}, files)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Which we don't have (no local update)
+
+	// We don't need it
+	s, err := db.CountNeed(folderID, protocol.LocalDeviceID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if s.Bytes != 0 || s.Files != 0 || s.Deleted != 0 {
+		t.Log(s)
+		t.Error("bad need")
+	}
+
+	// It shouldn't show up in the need list
+	names := mustCollect[protocol.FileInfo](t)(db.AllNeededGlobalFiles(folderID, protocol.LocalDeviceID, config.PullOrderAlphabetic, 0, 0))
+	if len(names) != 0 {
+		t.Log(names)
+		t.Error("need no files")
+	}
+}
+
+func TestRemoteDontNeedDeletedMissing(t *testing.T) {
+	t.Parallel()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	// A local deleted file
+	file := genFile("test1", 1, 103)
+	file.SetDeleted(42)
+	files := []protocol.FileInfo{file}
+	err = db.Update(folderID, protocol.LocalDeviceID, files)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Which the remote doesn't have (no local update)
+
+	// They don't need it
+	s, err := db.CountNeed(folderID, protocol.DeviceID{42})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if s.Bytes != 0 || s.Files != 0 || s.Deleted != 0 {
+		t.Log(s)
+		t.Error("bad need")
+	}
+
+	// It shouldn't show up in their need list
+	names := mustCollect[protocol.FileInfo](t)(db.AllNeededGlobalFiles(folderID, protocol.DeviceID{42}, config.PullOrderAlphabetic, 0, 0))
+	if len(names) != 0 {
+		t.Log(names)
+		t.Error("need no files")
+	}
+}
+
+func TestNeedRemoteSymlinkAndDir(t *testing.T) {
+	t.Parallel()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	// Two remote "specials", a symlink and a directory
+	var v protocol.Vector
+	v.Update(1)
+	files := []protocol.FileInfo{
+		{Name: "sym", Type: protocol.FileInfoTypeSymlink, Sequence: 100, Version: v, Blocks: genBlocks("symlink", 0, 1)},
+		{Name: "dir", Type: protocol.FileInfoTypeDirectory, Sequence: 101, Version: v},
+	}
+	err = db.Update(folderID, protocol.DeviceID{42}, files)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// We need them
+	s, err := db.CountNeed(folderID, protocol.LocalDeviceID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if s.Directories != 1 || s.Symlinks != 1 {
+		t.Log(s)
+		t.Error("bad need")
+	}
+
+	// They should be in the need list
+	names := mustCollect[protocol.FileInfo](t)(db.AllNeededGlobalFiles(folderID, protocol.LocalDeviceID, config.PullOrderAlphabetic, 0, 0))
+	if len(names) != 2 {
+		t.Log(names)
+		t.Error("bad need")
+	}
+}
+
+func TestNeedPagination(t *testing.T) {
+	t.Parallel()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	// Several remote files
+	var v protocol.Vector
+	v.Update(1)
+	files := []protocol.FileInfo{
+		genFile("test0", 1, 100),
+		genFile("test1", 1, 101),
+		genFile("test2", 1, 102),
+		genFile("test3", 1, 103),
+		genFile("test4", 1, 104),
+		genFile("test5", 1, 105),
+		genFile("test6", 1, 106),
+		genFile("test7", 1, 107),
+		genFile("test8", 1, 108),
+		genFile("test9", 1, 109),
+	}
+	err = db.Update(folderID, protocol.DeviceID{42}, files)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// We should get the first two
+	names := fiNames(mustCollect[protocol.FileInfo](t)(db.AllNeededGlobalFiles(folderID, protocol.LocalDeviceID, config.PullOrderAlphabetic, 2, 0)))
+	if !slices.Equal(names, []string{"test0", "test1"}) {
+		t.Log(names)
+		t.Error("bad need")
+	}
+
+	// We should get the next three
+	names = fiNames(mustCollect[protocol.FileInfo](t)(db.AllNeededGlobalFiles(folderID, protocol.LocalDeviceID, config.PullOrderAlphabetic, 3, 2)))
+	if !slices.Equal(names, []string{"test2", "test3", "test4"}) {
+		t.Log(names)
+		t.Error("bad need")
+	}
+
+	// We should get the last five
+	names = fiNames(mustCollect[protocol.FileInfo](t)(db.AllNeededGlobalFiles(folderID, protocol.LocalDeviceID, config.PullOrderAlphabetic, 5, 5)))
+	if !slices.Equal(names, []string{"test5", "test6", "test7", "test8", "test9"}) {
+		t.Log(names)
+		t.Error("bad need")
+	}
+}

internal/db/sqlite/db_indexid.go

@@ -0,0 +1,163 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"database/sql"
+	"encoding/hex"
+	"errors"
+	"fmt"
+
+	"github.com/syncthing/syncthing/internal/itererr"
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+func (s *DB) GetIndexID(folder string, device protocol.DeviceID) (protocol.IndexID, error) {
+	// Try a fast read-only query to begin with. If it does not find the ID
+	// we'll do the full thing under a lock.
+	var indexID string
+	if err := s.stmt(`
+		SELECT i.index_id FROM indexids i
+		INNER JOIN folders o ON o.idx  = i.folder_idx
+		INNER JOIN devices d ON d.idx  = i.device_idx
+		WHERE o.folder_id = ? AND d.device_id = ?
+	`).Get(&indexID, folder, device.String()); err == nil && indexID != "" {
+		idx, err := indexIDFromHex(indexID)
+		return idx, wrap(err, "select")
+	}
+	if device != protocol.LocalDeviceID {
+		// For non-local devices we do not create the index ID, so return
+		// zero anyway if we don't have one.
+		return 0, nil
+	}
+
+	s.updateLock.Lock()
+	defer s.updateLock.Unlock()
+
+	// We are now operating only for the local device ID
+
+	folderIdx, err := s.folderIdxLocked(folder)
+	if err != nil {
+		return 0, wrap(err)
+	}
+
+	if err := s.stmt(`
+		SELECT index_id FROM indexids WHERE folder_idx = ? AND device_idx = {{.LocalDeviceIdx}}
+	`).Get(&indexID, folderIdx); err != nil && !errors.Is(err, sql.ErrNoRows) {
+		return 0, wrap(err, "select local")
+	}
+
+	if indexID == "" {
+		// Generate a new index ID. Some trickiness in the query as we need
+		// to find the max sequence of local files if there already exist
+		// any.
+		id := protocol.NewIndexID()
+		if _, err := s.stmt(`
+			INSERT INTO indexids (folder_idx, device_idx, index_id, sequence)
+				SELECT ?, {{.LocalDeviceIdx}}, ?, COALESCE(MAX(sequence), 0) FROM files
+				WHERE folder_idx = ? AND device_idx = {{.LocalDeviceIdx}}
+			ON CONFLICT DO UPDATE SET index_id = ?
+		`).Exec(folderIdx, indexIDToHex(id), folderIdx, indexIDToHex(id)); err != nil {
+			return 0, wrap(err, "insert")
+		}
+		return id, nil
+	}
+
+	return indexIDFromHex(indexID)
+}
+
+func (s *DB) SetIndexID(folder string, device protocol.DeviceID, id protocol.IndexID) error {
+	s.updateLock.Lock()
+	defer s.updateLock.Unlock()
+
+	folderIdx, err := s.folderIdxLocked(folder)
+	if err != nil {
+		return wrap(err, "folder idx")
+	}
+	deviceIdx, err := s.deviceIdxLocked(device)
+	if err != nil {
+		return wrap(err, "device idx")
+	}
+
+	if _, err := s.stmt(`
+		INSERT OR REPLACE INTO indexids (folder_idx, device_idx, index_id, sequence) values (?, ?, ?, 0)
+	`).Exec(folderIdx, deviceIdx, indexIDToHex(id)); err != nil {
+		return wrap(err, "insert")
+	}
+	return nil
+}
+
+func (s *DB) DropAllIndexIDs() error {
+	s.updateLock.Lock()
+	defer s.updateLock.Unlock()
+	_, err := s.stmt(`DELETE FROM indexids`).Exec()
+	return wrap(err)
+}
+
+func (s *DB) GetDeviceSequence(folder string, device protocol.DeviceID) (int64, error) {
+	var res sql.NullInt64
+	err := s.stmt(`
+		SELECT sequence FROM indexids i
+		INNER JOIN folders o ON o.idx = i.folder_idx
+		INNER JOIN devices d ON d.idx = i.device_idx
+		WHERE o.folder_id = ? AND d.device_id = ?
+	`).Get(&res, folder, device.String())
+	if errors.Is(err, sql.ErrNoRows) {
+		return 0, nil
+	}
+	if err != nil {
+		return 0, wrap(err)
+	}
+	if !res.Valid {
+		return 0, nil
+	}
+	return res.Int64, nil
+}
+
+func (s *DB) RemoteSequences(folder string) (map[protocol.DeviceID]int64, error) {
+	type row struct {
+		Device string
+		Seq    int64
+	}
+
+	it, errFn := iterStructs[row](s.stmt(`
+		SELECT d.device_id AS device, i.sequence AS seq FROM indexids i
+		INNER JOIN folders o ON o.idx = i.folder_idx
+		INNER JOIN devices d ON d.idx = i.device_idx
+		WHERE o.folder_id = ? AND i.device_idx != {{.LocalDeviceIdx}}
+	`).Queryx(folder))
+
+	res := make(map[protocol.DeviceID]int64)
+	for row, err := range itererr.Zip(it, errFn) {
+		if err != nil {
+			return nil, wrap(err)
+		}
+		dev, err := protocol.DeviceIDFromString(row.Device)
+		if err != nil {
+			return nil, wrap(err, "device ID")
+		}
+		res[dev] = row.Seq
+	}
+	return res, nil
+}
+
+func indexIDFromHex(s string) (protocol.IndexID, error) {
+	bs, err := hex.DecodeString(s)
+	if err != nil {
+		return 0, fmt.Errorf("indexIDFromHex: %q: %w", s, err)
+	}
+	var id protocol.IndexID
+	if err := id.Unmarshal(bs); err != nil {
+		return 0, fmt.Errorf("indexIDFromHex: %q: %w", s, err)
+	}
+	return id, nil
+}
+
+func indexIDToHex(i protocol.IndexID) string {
+	bs, _ := i.Marshal()
+	return hex.EncodeToString(bs)
+}

internal/db/sqlite/db_indexid_test.go

@@ -0,0 +1,81 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"testing"
+
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+func TestIndexIDs(t *testing.T) {
+	t.Parallel()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal()
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	t.Run("LocalDeviceID", func(t *testing.T) {
+		t.Parallel()
+
+		localID, err := db.GetIndexID("foo", protocol.LocalDeviceID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if localID == 0 {
+			t.Fatal("should have been generated")
+		}
+
+		again, err := db.GetIndexID("foo", protocol.LocalDeviceID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if again != localID {
+			t.Fatal("should get same again")
+		}
+
+		other, err := db.GetIndexID("bar", protocol.LocalDeviceID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if other == localID {
+			t.Fatal("should not get same for other folder")
+		}
+	})
+
+	t.Run("OtherDeviceID", func(t *testing.T) {
+		t.Parallel()
+
+		localID, err := db.GetIndexID("foo", protocol.DeviceID{42})
+		if err != nil {
+			t.Fatal(err)
+		}
+		if localID != 0 {
+			t.Fatal("should have been zero")
+		}
+
+		newID := protocol.NewIndexID()
+		if err := db.SetIndexID("foo", protocol.DeviceID{42}, newID); err != nil {
+			t.Fatal(err)
+		}
+
+		again, err := db.GetIndexID("foo", protocol.DeviceID{42})
+		if err != nil {
+			t.Fatal(err)
+		}
+		if again != newID {
+			t.Log(again, newID)
+			t.Fatal("should get the ID we set")
+		}
+	})
+}

internal/db/sqlite/db_kv.go

@@ -0,0 +1,78 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"iter"
+
+	"github.com/jmoiron/sqlx"
+	"github.com/syncthing/syncthing/internal/db"
+)
+
+func (s *DB) GetKV(key string) ([]byte, error) {
+	var val []byte
+	if err := s.stmt(`
+		SELECT value FROM kv
+		WHERE key = ?
+	`).Get(&val, key); err != nil {
+		return nil, wrap(err)
+	}
+	return val, nil
+}
+
+func (s *DB) PutKV(key string, val []byte) error {
+	s.updateLock.Lock()
+	defer s.updateLock.Unlock()
+	_, err := s.stmt(`
+		INSERT OR REPLACE INTO kv (key, value)
+		VALUES (?, ?)
+	`).Exec(key, val)
+	return wrap(err)
+}
+
+func (s *DB) DeleteKV(key string) error {
+	s.updateLock.Lock()
+	defer s.updateLock.Unlock()
+	_, err := s.stmt(`
+		DELETE FROM kv WHERE key = ?
+	`).Exec(key)
+	return wrap(err)
+}
+
+func (s *DB) PrefixKV(prefix string) (iter.Seq[db.KeyValue], func() error) {
+	var rows *sqlx.Rows
+	var err error
+	if prefix == "" {
+		rows, err = s.stmt(`SELECT key, value FROM kv`).Queryx()
+	} else {
+		end := prefixEnd(prefix)
+		rows, err = s.stmt(`
+			SELECT key, value FROM kv
+			WHERE key >= ? AND key < ?
+		`).Queryx(prefix, end)
+	}
+	if err != nil {
+		return func(_ func(db.KeyValue) bool) {}, func() error { return err }
+	}
+
+	return func(yield func(db.KeyValue) bool) {
+			defer rows.Close()
+			for rows.Next() {
+				var key string
+				var val []byte
+				if err = rows.Scan(&key, &val); err != nil {
+					return
+				}
+				if !yield(db.KeyValue{Key: key, Value: val}) {
+					return
+				}
+			}
+			err = rows.Err()
+		}, func() error {
+			return err
+		}
+}

internal/db/sqlite/db_local.go

@@ -0,0 +1,126 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"database/sql"
+	"errors"
+	"fmt"
+	"iter"
+
+	"github.com/syncthing/syncthing/internal/db"
+	"github.com/syncthing/syncthing/internal/itererr"
+	"github.com/syncthing/syncthing/lib/osutil"
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+func (s *DB) GetDeviceFile(folder string, device protocol.DeviceID, file string) (protocol.FileInfo, bool, error) {
+	file = osutil.NormalizedFilename(file)
+
+	var ind indirectFI
+	err := s.stmt(`
+		SELECT fi.fiprotobuf, bl.blprotobuf FROM fileinfos fi
+		INNER JOIN files f on fi.sequence = f.sequence
+		LEFT JOIN blocklists bl ON bl.blocklist_hash = f.blocklist_hash
+		INNER JOIN devices d ON f.device_idx = d.idx
+		INNER JOIN folders o ON f.folder_idx = o.idx
+		WHERE o.folder_id = ? AND d.device_id = ? AND f.name = ?
+	`).Get(&ind, folder, device.String(), file)
+	if errors.Is(err, sql.ErrNoRows) {
+		return protocol.FileInfo{}, false, nil
+	}
+	if err != nil {
+		return protocol.FileInfo{}, false, wrap(err)
+	}
+	fi, err := ind.FileInfo()
+	if err != nil {
+		return protocol.FileInfo{}, false, wrap(err, "indirect")
+	}
+	return fi, true, nil
+}
+
+func (s *DB) AllLocalFiles(folder string, device protocol.DeviceID) (iter.Seq[protocol.FileInfo], func() error) {
+	it, errFn := iterStructs[indirectFI](s.stmt(`
+		SELECT fi.fiprotobuf, bl.blprotobuf FROM fileinfos fi
+		INNER JOIN files f on fi.sequence = f.sequence
+		LEFT JOIN blocklists bl ON bl.blocklist_hash = f.blocklist_hash
+		INNER JOIN folders o ON o.idx = f.folder_idx
+		INNER JOIN devices d ON d.idx = f.device_idx
+		WHERE o.folder_id = ? AND d.device_id = ?
+	`).Queryx(folder, device.String()))
+	return itererr.Map(it, errFn, indirectFI.FileInfo)
+}
+
+func (s *DB) AllLocalFilesBySequence(folder string, device protocol.DeviceID, startSeq int64, limit int) (iter.Seq[protocol.FileInfo], func() error) {
+	var limitStr string
+	if limit > 0 {
+		limitStr = fmt.Sprintf(" LIMIT %d", limit)
+	}
+	it, errFn := iterStructs[indirectFI](s.stmt(`
+		SELECT fi.fiprotobuf, bl.blprotobuf FROM fileinfos fi
+		INNER JOIN files f on fi.sequence = f.sequence
+		LEFT JOIN blocklists bl ON bl.blocklist_hash = f.blocklist_hash
+		INNER JOIN folders o ON o.idx = f.folder_idx
+		INNER JOIN devices d ON d.idx = f.device_idx
+		WHERE o.folder_id = ? AND d.device_id = ? AND f.sequence >= ?
+		ORDER BY f.sequence`+limitStr).Queryx(
+		folder, device.String(), startSeq))
+	return itererr.Map(it, errFn, indirectFI.FileInfo)
+}
+
+func (s *DB) AllLocalFilesWithPrefix(folder string, device protocol.DeviceID, prefix string) (iter.Seq[protocol.FileInfo], func() error) {
+	if prefix == "" {
+		return s.AllLocalFiles(folder, device)
+	}
+
+	prefix = osutil.NormalizedFilename(prefix)
+	end := prefixEnd(prefix)
+
+	it, errFn := iterStructs[indirectFI](s.sql.Queryx(`
+		SELECT fi.fiprotobuf, bl.blprotobuf FROM fileinfos fi
+		INNER JOIN files f on fi.sequence = f.sequence
+		LEFT JOIN blocklists bl ON bl.blocklist_hash = f.blocklist_hash
+		INNER JOIN folders o ON o.idx = f.folder_idx
+		INNER JOIN devices d ON d.idx = f.device_idx
+		WHERE o.folder_id = ? AND d.device_id = ? AND f.name >= ? AND f.name < ?
+	`, folder, device.String(), prefix, end))
+	return itererr.Map(it, errFn, indirectFI.FileInfo)
+}
+
+func (s *DB) AllLocalFilesWithBlocksHash(folder string, h []byte) (iter.Seq[db.FileMetadata], func() error) {
+	return iterStructs[db.FileMetadata](s.stmt(`
+		SELECT f.sequence, f.name, f.type, f.modified as modnanos, f.size, f.deleted, f.invalid, f.local_flags as localflags FROM files f
+		INNER JOIN folders o ON o.idx = f.folder_idx
+		WHERE o.folder_id = ? AND f.device_idx = {{.LocalDeviceIdx}} AND f.blocklist_hash = ?
+	`).Queryx(folder, h))
+}
+
+func (s *DB) AllLocalFilesWithBlocksHashAnyFolder(h []byte) (iter.Seq2[string, db.FileMetadata], func() error) {
+	type row struct {
+		FolderID string `db:"folder_id"`
+		db.FileMetadata
+	}
+	it, errFn := iterStructs[row](s.stmt(`
+		SELECT o.folder_id, f.sequence, f.name, f.type, f.modified as modnanos, f.size, f.deleted, f.invalid, f.local_flags as localflags FROM files f
+		INNER JOIN folders o ON o.idx = f.folder_idx
+		WHERE f.device_idx = {{.LocalDeviceIdx}} AND f.blocklist_hash = ?
+	`).Queryx(h))
+	return itererr.Map2(it, errFn, func(r row) (string, db.FileMetadata, error) {
+		return r.FolderID, r.FileMetadata, nil
+	})
+}
+
+func (s *DB) AllLocalBlocksWithHash(hash []byte) (iter.Seq[db.BlockMapEntry], func() error) {
+	// We involve the files table in this select because deletion of blocks
+	// & blocklists is deferred (garbage collected) while the files list is
+	// not. This filters out blocks that are in fact deleted.
+	return iterStructs[db.BlockMapEntry](s.stmt(`
+		SELECT f.blocklist_hash as blocklisthash, b.idx as blockindex, b.offset, b.size FROM files f
+		LEFT JOIN blocks b ON f.blocklist_hash = b.blocklist_hash
+		WHERE f.device_idx = {{.LocalDeviceIdx}} AND b.hash = ?
+	`).Queryx(hash))
+}

internal/db/sqlite/db_local_test.go

@@ -0,0 +1,202 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"testing"
+
+	"github.com/syncthing/syncthing/internal/db"
+	"github.com/syncthing/syncthing/internal/itererr"
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+func TestBlocks(t *testing.T) {
+	t.Parallel()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal()
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	files := []protocol.FileInfo{
+		{
+			Name: "file1",
+			Blocks: []protocol.BlockInfo{
+				{Hash: []byte{1, 2, 3}, Offset: 0, Size: 42},
+				{Hash: []byte{2, 3, 4}, Offset: 42, Size: 42},
+				{Hash: []byte{3, 4, 5}, Offset: 84, Size: 42},
+			},
+		},
+		{
+			Name: "file2",
+			Blocks: []protocol.BlockInfo{
+				{Hash: []byte{2, 3, 4}, Offset: 0, Size: 42},
+				{Hash: []byte{3, 4, 5}, Offset: 42, Size: 42},
+				{Hash: []byte{4, 5, 6}, Offset: 84, Size: 42},
+			},
+		},
+	}
+
+	if err := db.Update("test", protocol.LocalDeviceID, files); err != nil {
+		t.Fatal(err)
+	}
+
+	// Search for blocks
+
+	vals, err := itererr.Collect(db.AllLocalBlocksWithHash([]byte{1, 2, 3}))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(vals) != 1 {
+		t.Log(vals)
+		t.Fatal("expected one hit")
+	} else if vals[0].BlockIndex != 0 || vals[0].Offset != 0 || vals[0].Size != 42 {
+		t.Log(vals[0])
+		t.Fatal("bad entry")
+	}
+
+	// Get FileInfos for those blocks
+
+	found := 0
+	it, errFn := db.AllLocalFilesWithBlocksHashAnyFolder(vals[0].BlocklistHash)
+	for folder, fileInfo := range it {
+		if folder != folderID {
+			t.Fatal("should be same folder")
+		}
+		if fileInfo.Name != "file1" {
+			t.Fatal("should be file1")
+		}
+		found++
+	}
+	if err := errFn(); err != nil {
+		t.Fatal(err)
+	}
+	if found != 1 {
+		t.Fatal("should find one file")
+	}
+
+	// Get the other blocks
+
+	vals, err = itererr.Collect(db.AllLocalBlocksWithHash([]byte{3, 4, 5}))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(vals) != 2 {
+		t.Log(vals)
+		t.Fatal("expected two hits")
+	}
+	// if vals[0].Index != 2 || vals[0].Offset != 84 || vals[0].Size != 42 {
+	// 	t.Log(vals[0])
+	// 	t.Fatal("bad entry 1")
+	// }
+	// if vals[1].Index != 1 || vals[1].Offset != 42 || vals[1].Size != 42 {
+	// 	t.Log(vals[1])
+	// 	t.Fatal("bad entry 2")
+	// }
+}
+
+func TestBlocksDeleted(t *testing.T) {
+	t.Parallel()
+
+	sdb, err := OpenTemp()
+	if err != nil {
+		t.Fatal()
+	}
+	t.Cleanup(func() {
+		if err := sdb.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	// Insert a file
+	file := genFile("foo", 1, 0)
+	if err := sdb.Update(folderID, protocol.LocalDeviceID, []protocol.FileInfo{file}); err != nil {
+		t.Fatal()
+	}
+
+	// We should find one entry for the block hash
+	search := file.Blocks[0].Hash
+	es := mustCollect[db.BlockMapEntry](t)(sdb.AllLocalBlocksWithHash(search))
+	if len(es) != 1 {
+		t.Fatal("expected one hit")
+	}
+
+	// Update the file with a new block hash
+	file.Blocks = genBlocks("foo", 42, 1)
+	if err := sdb.Update(folderID, protocol.LocalDeviceID, []protocol.FileInfo{file}); err != nil {
+		t.Fatal()
+	}
+
+	// Searching for the old hash should yield no hits
+	if hits := mustCollect[db.BlockMapEntry](t)(sdb.AllLocalBlocksWithHash(search)); len(hits) != 0 {
+		t.Log(hits)
+		t.Error("expected no hits")
+	}
+
+	// Searching for the new hash should yield one hits
+	if hits := mustCollect[db.BlockMapEntry](t)(sdb.AllLocalBlocksWithHash(file.Blocks[0].Hash)); len(hits) != 1 {
+		t.Log(hits)
+		t.Error("expected one hit")
+	}
+}
+
+func TestRemoteSequence(t *testing.T) {
+	t.Parallel()
+
+	sdb, err := OpenTemp()
+	if err != nil {
+		t.Fatal()
+	}
+	t.Cleanup(func() {
+		if err := sdb.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	// Insert a local file
+	file := genFile("foo", 1, 0)
+	if err := sdb.Update(folderID, protocol.LocalDeviceID, []protocol.FileInfo{file}); err != nil {
+		t.Fatal()
+	}
+
+	// Insert several remote files
+	file = genFile("foo1", 1, 42)
+	if err := sdb.Update(folderID, protocol.DeviceID{42}, []protocol.FileInfo{file}); err != nil {
+		t.Fatal()
+	}
+	if err := sdb.Update(folderID, protocol.DeviceID{43}, []protocol.FileInfo{file}); err != nil {
+		t.Fatal()
+	}
+	file = genFile("foo2", 1, 43)
+	if err := sdb.Update(folderID, protocol.DeviceID{43}, []protocol.FileInfo{file}); err != nil {
+		t.Fatal()
+	}
+	if err := sdb.Update(folderID, protocol.DeviceID{44}, []protocol.FileInfo{file}); err != nil {
+		t.Fatal()
+	}
+	file = genFile("foo3", 1, 44)
+	if err := sdb.Update(folderID, protocol.DeviceID{44}, []protocol.FileInfo{file}); err != nil {
+		t.Fatal()
+	}
+
+	// Verify remote sequences
+	seqs, err := sdb.RemoteSequences(folderID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(seqs) != 3 || seqs[protocol.DeviceID{42}] != 42 ||
+		seqs[protocol.DeviceID{43}] != 43 ||
+		seqs[protocol.DeviceID{44}] != 44 {
+		t.Log(seqs)
+		t.Error("bad seqs")
+	}
+}

internal/db/sqlite/db_mtimes.go

@@ -0,0 +1,54 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"time"
+)
+
+func (s *DB) GetMtime(folder, name string) (ondisk, virtual time.Time) {
+	var res struct {
+		Ondisk  int64
+		Virtual int64
+	}
+	if err := s.stmt(`
+		SELECT m.ondisk, m.virtual FROM mtimes m
+		INNER JOIN folders o ON o.idx = m.folder_idx
+		WHERE o.folder_id = ? AND m.name = ?
+	`).Get(&res, folder, name); err != nil {
+		return time.Time{}, time.Time{}
+	}
+	return time.Unix(0, res.Ondisk), time.Unix(0, res.Virtual)
+}
+
+func (s *DB) PutMtime(folder, name string, ondisk, virtual time.Time) error {
+	s.updateLock.Lock()
+	defer s.updateLock.Unlock()
+	folderIdx, err := s.folderIdxLocked(folder)
+	if err != nil {
+		return wrap(err)
+	}
+	_, err = s.stmt(`
+		INSERT OR REPLACE INTO mtimes (folder_idx, name, ondisk, virtual)
+		VALUES (?, ?, ?, ?)
+	`).Exec(folderIdx, name, ondisk.UnixNano(), virtual.UnixNano())
+	return wrap(err)
+}
+
+func (s *DB) DeleteMtime(folder, name string) error {
+	s.updateLock.Lock()
+	defer s.updateLock.Unlock()
+	folderIdx, err := s.folderIdxLocked(folder)
+	if err != nil {
+		return wrap(err)
+	}
+	_, err = s.stmt(`
+		DELETE FROM mtimes
+		WHERE folder_idx = ? AND name = ?
+	`).Exec(folderIdx, name)
+	return wrap(err)
+}

internal/db/sqlite/db_mtimes_test.go

@@ -0,0 +1,54 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"testing"
+	"time"
+)
+
+func TestMtimePairs(t *testing.T) {
+	t.Parallel()
+
+	db, err := OpenTemp()
+	if err != nil {
+		t.Fatal()
+	}
+	t.Cleanup(func() {
+		if err := db.Close(); err != nil {
+			t.Fatal(err)
+		}
+	})
+
+	t0 := time.Now().Truncate(time.Second)
+	t1 := t0.Add(1234567890)
+
+	// Set a pair
+	if err := db.PutMtime("foo", "bar", t0, t1); err != nil {
+		t.Fatal(err)
+	}
+
+	// Check it
+	gt0, gt1 := db.GetMtime("foo", "bar")
+	if !gt0.Equal(t0) || !gt1.Equal(t1) {
+		t.Log(t0, gt0)
+		t.Log(t1, gt1)
+		t.Log("bad times")
+	}
+
+	// Delete it
+	if err := db.DeleteMtime("foo", "bar"); err != nil {
+		t.Fatal(err)
+	}
+
+	// Check it
+	gt0, gt1 = db.GetMtime("foo", "bar")
+	if !gt0.IsZero() || !gt1.IsZero() {
+		t.Log(gt0, gt1)
+		t.Log("bad times")
+	}
+}

internal/db/sqlite/db_open.go

@@ -0,0 +1,203 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import (
+	"database/sql"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"text/template"
+
+	"github.com/jmoiron/sqlx"
+	"github.com/syncthing/syncthing/lib/build"
+	"github.com/syncthing/syncthing/lib/protocol"
+)
+
+const maxDBConns = 128
+
+func Open(path string) (*DB, error) {
+	// Open the database with options to enable foreign keys and recursive
+	// triggers (needed for the delete+insert triggers on row replace).
+	sqlDB, err := sqlx.Open(dbDriver, "file:"+path+"?"+commonOptions)
+	if err != nil {
+		return nil, wrap(err)
+	}
+	sqlDB.SetMaxOpenConns(maxDBConns)
+	if _, err := sqlDB.Exec(`PRAGMA journal_mode = WAL`); err != nil {
+		return nil, wrap(err, "PRAGMA journal_mode")
+	}
+	if _, err := sqlDB.Exec(`PRAGMA optimize = 0x10002`); err != nil {
+		// https://www.sqlite.org/pragma.html#pragma_optimize
+		return nil, wrap(err, "PRAGMA optimize")
+	}
+	if _, err := sqlDB.Exec(`PRAGMA journal_size_limit = 6144000`); err != nil {
+		// https://www.powersync.com/blog/sqlite-optimizations-for-ultra-high-performance
+		return nil, wrap(err, "PRAGMA journal_size_limit")
+	}
+	return openCommon(sqlDB)
+}
+
+// Open the database with options suitable for the migration inserts. This
+// is not a safe mode of operation for normal processing, use only for bulk
+// inserts with a close afterwards.
+func OpenForMigration(path string) (*DB, error) {
+	sqlDB, err := sqlx.Open(dbDriver, "file:"+path+"?"+commonOptions)
+	if err != nil {
+		return nil, wrap(err, "open")
+	}
+	sqlDB.SetMaxOpenConns(1)
+	if _, err := sqlDB.Exec(`PRAGMA foreign_keys = 0`); err != nil {
+		return nil, wrap(err, "PRAGMA foreign_keys")
+	}
+	if _, err := sqlDB.Exec(`PRAGMA journal_mode = OFF`); err != nil {
+		return nil, wrap(err, "PRAGMA journal_mode")
+	}
+	if _, err := sqlDB.Exec(`PRAGMA synchronous = 0`); err != nil {
+		return nil, wrap(err, "PRAGMA synchronous")
+	}
+	return openCommon(sqlDB)
+}
+
+func OpenTemp() (*DB, error) {
+	// SQLite has a memory mode, but it works differently with concurrency
+	// compared to what we need with the WAL mode. So, no memory databases
+	// for now.
+	dir, err := os.MkdirTemp("", "syncthing-db")
+	if err != nil {
+		return nil, wrap(err)
+	}
+	path := filepath.Join(dir, "db")
+	l.Debugln("Test DB in", path)
+	return Open(path)
+}
+
+func openCommon(sqlDB *sqlx.DB) (*DB, error) {
+	if _, err := sqlDB.Exec(`PRAGMA auto_vacuum = INCREMENTAL`); err != nil {
+		return nil, wrap(err, "PRAGMA auto_vacuum")
+	}
+	if _, err := sqlDB.Exec(`PRAGMA default_temp_store = MEMORY`); err != nil {
+		return nil, wrap(err, "PRAGMA default_temp_store")
+	}
+	if _, err := sqlDB.Exec(`PRAGMA temp_store = MEMORY`); err != nil {
+		return nil, wrap(err, "PRAGMA temp_store")
+	}
+
+	db := &DB{
+		sql:        sqlDB,
+		statements: make(map[string]*sqlx.Stmt),
+	}
+
+	if err := db.runScripts("sql/schema/*"); err != nil {
+		return nil, wrap(err)
+	}
+
+	ver, _ := db.getAppliedSchemaVersion()
+	if ver.SchemaVersion > 0 {
+		filter := func(scr string) bool {
+			scr = filepath.Base(scr)
+			nstr, _, ok := strings.Cut(scr, "-")
+			if !ok {
+				return false
+			}
+			n, err := strconv.ParseInt(nstr, 10, 32)
+			if err != nil {
+				return false
+			}
+			return int(n) > ver.SchemaVersion
+		}
+		if err := db.runScripts("sql/migrations/*", filter); err != nil {
+			return nil, wrap(err)
+		}
+	}
+
+	// Touch device IDs that should always exist and have a low index
+	// numbers, and will never change
+	db.localDeviceIdx, _ = db.deviceIdxLocked(protocol.LocalDeviceID)
+
+	// Set the current schema version, if not already set
+	if err := db.setAppliedSchemaVersion(currentSchemaVersion); err != nil {
+		return nil, wrap(err)
+	}
+
+	db.tplInput = map[string]any{
+		"FlagLocalUnsupported": protocol.FlagLocalUnsupported,
+		"FlagLocalIgnored":     protocol.FlagLocalIgnored,
+		"FlagLocalMustRescan":  protocol.FlagLocalMustRescan,
+		"FlagLocalReceiveOnly": protocol.FlagLocalReceiveOnly,
+		"FlagLocalGlobal":      protocol.FlagLocalGlobal,
+		"FlagLocalNeeded":      protocol.FlagLocalNeeded,
+		"LocalDeviceIdx":       db.localDeviceIdx,
+		"SyncthingVersion":     build.LongVersion,
+	}
+
+	return db, nil
+}
+
+var tplFuncs = template.FuncMap{
+	"or": func(vs ...int) int {
+		v := vs[0]
+		for _, ov := range vs[1:] {
+			v |= ov
+		}
+		return v
+	},
+}
+
+// stmt returns a prepared statement for the given SQL string, after
+// applying local template expansions. The statement is cached.
+func (s *DB) stmt(tpl string) stmt {
+	tpl = strings.TrimSpace(tpl)
+
+	// Fast concurrent lookup of cached statement
+	s.statementsMut.RLock()
+	stmt, ok := s.statements[tpl]
+	s.statementsMut.RUnlock()
+	if ok {
+		return stmt
+	}
+
+	// On miss, take the full lock, check again
+	s.statementsMut.Lock()
+	defer s.statementsMut.Unlock()
+	stmt, ok = s.statements[tpl]
+	if ok {
+		return stmt
+	}
+
+	// Apply template expansions
+	var sb strings.Builder
+	compTpl := template.Must(template.New("tpl").Funcs(tplFuncs).Parse(tpl))
+	if err := compTpl.Execute(&sb, s.tplInput); err != nil {
+		panic("bug: bad template: " + err.Error())
+	}
+
+	// Prepare and cache
+	stmt, err := s.sql.Preparex(sb.String())
+	if err != nil {
+		return failedStmt{err}
+	}
+	s.statements[tpl] = stmt
+	return stmt
+}
+
+type stmt interface {
+	Exec(args ...any) (sql.Result, error)
+	Get(dest any, args ...any) error
+	Queryx(args ...any) (*sqlx.Rows, error)
+	Select(dest any, args ...any) error
+}
+
+type failedStmt struct {
+	err error
+}
+
+func (f failedStmt) Exec(_ ...any) (sql.Result, error)   { return nil, f.err }
+func (f failedStmt) Get(_ any, _ ...any) error           { return f.err }
+func (f failedStmt) Queryx(_ ...any) (*sqlx.Rows, error) { return nil, f.err }
+func (f failedStmt) Select(_ any, _ ...any) error        { return f.err }

internal/db/sqlite/db_open_cgo.go

@@ -0,0 +1,18 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+//go:build cgo
+
+package sqlite
+
+import (
+	_ "github.com/mattn/go-sqlite3" // register sqlite3 database driver
+)
+
+const (
+	dbDriver      = "sqlite3"
+	commonOptions = "_fk=true&_rt=true&_cache_size=-65536&_sync=1&_txlock=immediate"
+)

internal/db/sqlite/db_open_nocgo.go

@@ -0,0 +1,23 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+//go:build !cgo && !wazero
+
+package sqlite
+
+import (
+	"github.com/syncthing/syncthing/lib/build"
+	_ "modernc.org/sqlite" // register sqlite database driver
+)
+
+const (
+	dbDriver      = "sqlite"
+	commonOptions = "_pragma=foreign_keys(1)&_pragma=recursive_triggers(1)&_pragma=cache_size(-65536)&_pragma=synchronous(1)"
+)
+
+func init() {
+	build.AddTag("modernc-sqlite")
+}

internal/db/sqlite/db_prepared.go

@@ -0,0 +1,44 @@
+// Copyright (C) 2025 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+package sqlite
+
+import "github.com/jmoiron/sqlx"
+
+type txPreparedStmts struct {
+	*sqlx.Tx
+	stmts map[string]*sqlx.Stmt
+}
+
+func (p *txPreparedStmts) Preparex(query string) (*sqlx.Stmt, error) {
+	if p.stmts == nil {
+		p.stmts = make(map[string]*sqlx.Stmt)
+	}
+	stmt, ok := p.stmts[query]
+	if ok {
+		return stmt, nil
+	}
+	stmt, err := p.Tx.Preparex(query)
+	if err != nil {
+		return nil, wrap(err)
+	}
+	p.stmts[query] = stmt
+	return stmt, nil
+}
+
+func (p *txPreparedStmts) Commit() error {
+	for _, s := range p.stmts {
+		s.Close()
+	}
+	return p.Tx.Commit()
+}
+
+func (p *txPreparedStmts) Rollback() error {
+	for _, s := range p.stmts {
+		s.Close()
+	}
+	return p.Tx.Rollback()
+}