diff --git a/.github/actions/install/action.yml b/.github/actions/install/action.yml
index f5bb72d3..3e29e96a 100644
--- a/.github/actions/install/action.yml
+++ b/.github/actions/install/action.yml
@@ -1,5 +1,5 @@
-name: "Browsercore install"
-description: "Install deps for the project browsercore"
+name: "Deps install"
+description: "Install deps for the browser"
 
 inputs:
   arch:
diff --git a/.github/actions/v8-snapshot/action.yml b/.github/actions/v8-snapshot/action.yml
new file mode 100644
index 00000000..dc73b48a
--- /dev/null
+++ b/.github/actions/v8-snapshot/action.yml
@@ -0,0 +1,42 @@
+name: "V8 snaphsot"
+description: "Generate v8 snapshot"
+
+inputs:
+  arch:
+    description: 'CPU arch used to select the v8 lib'
+    required: false
+    default: 'x86_64'
+  os:
+    description: 'OS used to select the v8 lib'
+    required: false
+    default: 'linux'
+
+runs:
+  using: "composite"
+
+  steps:
+      # Use the commit hash of bridge.zig and Snapshot.zig as cache key for
+      # snapshot.
+    - name: V8 snapshot cache key
+      id: snapshot_cache_key
+      run: echo "hash=v8-snapshot-${{ inputs.os }}_${{ inputs.arch }}-$(git log -n 1 --pretty=format:%H --
+                 src/browser/js/bridge.zig
+                 src/browser/js/Snapshot.zig
+                 )" >> "$GITHUB_OUTPUT"
+      shell: bash
+
+    # Fetch the cache for snapshot
+    - name: Cache V8 snapshot
+      id: cache-v8-snapshot
+      uses: actions/cache@v5
+      env:
+        cache-name: cache-v8-snapshot
+      with:
+        path: src/snapshot.bin
+        key: ${{ steps.snapshot_cache_key.outputs.hash }}
+
+    # Generate snapshot on cache miss.
+    - name: v8 snapshot
+      shell: bash
+      if: hashFiles('src/snapshot.bin') == ''
+      run: zig build -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast snapshot_creator -- src/snapshot.bin
diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index f069ebb5..50af9e91 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -39,7 +39,7 @@ jobs:
     name: zig build release
 
     runs-on: ubuntu-latest
-    timeout-minutes: 15
+    timeout-minutes: 20
 
     # Don't run the CI with draft PR.
     if: github.event.pull_request.draft == false
@@ -50,9 +50,7 @@ jobs:
           fetch-depth: 0
 
       - uses: ./.github/actions/install
-
-      - name: v8 snapshot
-        run: zig build -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast snapshot_creator -- src/snapshot.bin
+      - uses: ./.github/actions/v8-snapshot
 
       - name: zig build release
         run: zig build -Dsnapshot_path=../../snapshot.bin -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast -Dcpu=x86_64
diff --git a/.github/workflows/wpt.yml b/.github/workflows/wpt.yml
index c6cc7350..8a3b8516 100644
--- a/.github/workflows/wpt.yml
+++ b/.github/workflows/wpt.yml
@@ -36,8 +36,10 @@ jobs:
           os: ${{env.OS}}
           arch: ${{env.ARCH}}
 
-      - name: v8 snapshot
-        run: zig build -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast snapshot_creator -- src/snapshot.bin
+      - uses: ./.github/actions/v8-snapshot
+        with:
+          os: ${{env.OS}}
+          arch: ${{env.ARCH}}
 
       - name: zig build release
         run: zig build -Dsnapshot_path=../../snapshot.bin -Dprebuilt_v8_path=v8/libc_v8.a -Doptimize=ReleaseFast -Dcpu=generic
@@ -170,6 +172,21 @@ jobs:
           cd ./wptdiff
           CGO_ENABLED=0 go build
 
+      - run: |
+         ./wptdiff/wptdiff --completion |tee completion.log
+
+      - name: Send completion to slack
+        uses: slackapi/slack-github-action@v3.0.1
+        with:
+          errors: true
+          method: files.uploadV2
+          token: ${{ secrets.CI_SLACK_BOT_TOKEN }}
+          payload: |
+            channel_id: ${{ vars.WPT_SLACK_CHANNEL_ID }}
+            initial_comment: "Last WPT completion"
+            file: "./completion.log"
+            filename: "wpt-completion-${{ github.sha }}.txt"
+
       - run: |
          ./wptdiff/wptdiff |tee diff.log
 
diff --git a/src/browser/js/Snapshot.zig b/src/browser/js/Snapshot.zig
index 5a04861a..0b6a7fd1 100644
--- a/src/browser/js/Snapshot.zig
+++ b/src/browser/js/Snapshot.zig
@@ -126,6 +126,7 @@ pub fn create() !Snapshot {
 
     var data_start: usize = 0;
     const isolate = v8.v8__SnapshotCreator__getIsolate(snapshot_creator).?;
+    defer v8.v8__Isolate__LowMemoryNotification(isolate);
 
     {
         // CreateBlob, which we'll call once everything is setup, MUST NOT
diff --git a/src/network/http.zig b/src/network/http.zig
index 7f586b1d..f542be3c 100644
--- a/src/network/http.zig
+++ b/src/network/http.zig
@@ -458,6 +458,9 @@ pub const Connection = struct {
             // try libcurl.curl_easy_setopt(easy, .debug_function, debugCallback);
         }
 
+        // default write callback to prevent libcurl from writing to stdout
+        try self.setWriteCallback(discardBody);
+
         // IP filter: block private/internal network addresses
         if (ip_filter) |filter| {
             try libcurl.curl_easy_setopt(self._easy, .opensocket_function, opensocketCallback);