diff --git a/gui/default/assets/lang/lang-es.json b/gui/default/assets/lang/lang-es.json
index f2b520218..33976372d 100644
--- a/gui/default/assets/lang/lang-es.json
+++ b/gui/default/assets/lang/lang-es.json
@@ -1,7 +1,7 @@
 {
     "A device with that ID is already added.": "Ya se ha agregado un dispositivo con ese ID.",
     "A negative number of days doesn't make sense.": "Un número negativo de días no tiene sentido.",
-    "A new major version may not be compatible with previous versions.": "Una nueva versión con cambios importantes puede no ser compatible con versiones anteriores.",
+    "A new major version may not be compatible with previous versions.": "Una nueva versión principal puede no ser compatible con las versiones anteriores.",
     "API Key": "Clave del API",
     "About": "Acerca de",
     "Action": "Acción",
diff --git a/gui/default/assets/lang/lang-nl.json b/gui/default/assets/lang/lang-nl.json
index 9325154ad..a45798b33 100644
--- a/gui/default/assets/lang/lang-nl.json
+++ b/gui/default/assets/lang/lang-nl.json
@@ -28,7 +28,7 @@
     "Are you sure you want to remove folder {%label%}?": "Weet u zeker dat u map {{label}} wilt verwijderen?",
     "Are you sure you want to restore {%count%} files?": "Weet u zeker dat u {{count}} bestanden wilt herstellen?",
     "Are you sure you want to upgrade?": "Weet u zeker dat u wilt bijwerken?",
-    "Auto Accept": "Instagenieten",
+    "Auto Accept": "Automatisch aanvaarden",
     "Automatic Crash Reporting": "Automatische crashrapportage",
     "Automatic upgrade now offers the choice between stable releases and release candidates.": "Automatisch bijwerken biedt nu de keuze tussen stabiele releases en release canditates.",
     "Automatic upgrades": "Automatische upgrades",
@@ -194,8 +194,8 @@
     "Outgoing Rate Limit (KiB/s)": "Begrenzing uploadsnelheid (KiB/s)",
     "Override Changes": "Wijzigingen overschrijven",
     "Path": "Pad",
-    "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": "Pad naar de map op de lokale computer. Zal opgemapt worden als het niet bestaat. De tilde (~) kan gebruikt worden als snelkoppeling voor",
-    "Path where new auto accepted folders will be created, as well as the default suggested path when adding new folders via the UI. Tilde character (~) expands to {%tilde%}.": "Pad waar instavellen afgemapt zullen worden, evenals het standaard voorgestelde pad bij toevoegen van nieuwe mappen via de gebruikersinterface. Een tilde (~) zet uit tot {{tilde}}.",
+    "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": "Pad naar de map op de lokale computer. Zal aangemaakt worden als het niet bestaat. De tilde (~) kan gebruikt worden als snelkoppeling voor",
+    "Path where new auto accepted folders will be created, as well as the default suggested path when adding new folders via the UI. Tilde character (~) expands to {%tilde%}.": "Pad waar nieuwe automatisch aanvaarde mappen aangemaakt zullen worden, evenals het standaard voorgestelde pad bij toevoegen van nieuwe mappen via de gebruikersinterface. Een tilde (~) zet uit tot {{tilde}}.",
     "Path where versions should be stored (leave empty for the default .stversions directory in the shared folder).": "Pad waar versies opgeslagen moeten worden (leeg laten voor de standaard .stversion-map in de gedeelde map).",
     "Pause": "Pauzeren",
     "Pause All": "Alles pauzeren",
@@ -289,7 +289,7 @@
     "Syncthing now supports automatically reporting crashes to the developers. This feature is enabled by default.": "Syncthing ondersteunt nu automatisch rapporteren van crashes naar de ontwikkelaars. De functie is standaard ingeschakeld.",
     "Syncthing seems to be down, or there is a problem with your Internet connection. Retrying…": "Syncthing lijkt gestopt te zijn, of er is een probleem met uw internetverbinding. Opnieuw proberen...",
     "Syncthing seems to be experiencing a problem processing your request. Please refresh the page or restart Syncthing if the problem persists.": "Syncthing lijkt een probleem te ondervinden met het verwerken van uw verzoek. Vernieuw de pagina of start Syncthing opnieuw als het probleem zich blijft voordoen. ",
-    "Take me back": "Twijfelen",
+    "Take me back": "Terugkeren",
     "The GUI address is overridden by startup options. Changes here will not take effect while the override is in place.": "Het GUI-adres wordt overschreven door opstart-opties. Wijzigingen hier zullen geen effect hebben terwijl de overschrijving van kracht is.",
     "The Syncthing Authors": "De Syncthing-auteurs",
     "The Syncthing admin interface is configured to allow remote access without a password.": "De beheerdersinterface van Syncthing is ingesteld om externe toegang zonder wachtwoord toe te staan.",
diff --git a/gui/default/assets/lang/lang-sv.json b/gui/default/assets/lang/lang-sv.json
index 77bc42380..e9e69929c 100644
--- a/gui/default/assets/lang/lang-sv.json
+++ b/gui/default/assets/lang/lang-sv.json
@@ -170,7 +170,7 @@
     "Mass actions": "Massåtgärder",
     "Maximum Age": "Högsta ålder",
     "Metadata Only": "Endast metadata",
-    "Minimum Free Disk Space": "Minsta ledigt diskutrymme",
+    "Minimum Free Disk Space": "Minsta lediga diskutrymme",
     "Mod. Device": "Enhet som utförde ändring",
     "Mod. Time": "Tid för ändring",
     "Move to top of queue": "Flytta till överst i kön",
@@ -319,7 +319,7 @@
     "This Device": "Denna enhet",
     "This can easily give hackers access to read and change any files on your computer.": "Detta kan lätt ge hackare tillgång till att läsa och ändra några filer på datorn.",
     "This is a major version upgrade.": "Det här är en stor uppgradering.",
-    "This setting controls the free space required on the home (i.e., index database) disk.": "Denna inställning kontrollerar ledigt utrymme som krävs på home (d.v.s. index-databas) disk.",
+    "This setting controls the free space required on the home (i.e., index database) disk.": "Denna inställning kontrollerar ledigt utrymme som krävs på home-disken (d.v.s. index-databasen).",
     "Time": "Tid",
     "Time the item was last modified": "Tidpunkten objektet var senast ändrad",
     "Trash Can File Versioning": "Papperskorgs filversionshantering",
diff --git a/man/stdiscosrv.1 b/man/stdiscosrv.1
index 4b69e00ff..e16acd01b 100644
--- a/man/stdiscosrv.1
+++ b/man/stdiscosrv.1
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "STDISCOSRV" "1" "Jun 23, 2020" "v1" "Syncthing"
+.TH "STDISCOSRV" "1" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 stdiscosrv \- Syncthing Discovery Server
 .
diff --git a/man/strelaysrv.1 b/man/strelaysrv.1
index cbf308a35..1ce578a34 100644
--- a/man/strelaysrv.1
+++ b/man/strelaysrv.1
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "STRELAYSRV" "1" "Jun 23, 2020" "v1" "Syncthing"
+.TH "STRELAYSRV" "1" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 strelaysrv \- Syncthing Relay Server
 .
diff --git a/man/syncthing-bep.7 b/man/syncthing-bep.7
index 5d95370cc..6f8dbaa3c 100644
--- a/man/syncthing-bep.7
+++ b/man/syncthing-bep.7
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-BEP" "7" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-BEP" "7" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-bep \- Block Exchange Protocol v1
 .
diff --git a/man/syncthing-config.5 b/man/syncthing-config.5
index 42fd45768..9abf54539 100644
--- a/man/syncthing-config.5
+++ b/man/syncthing-config.5
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-CONFIG" "5" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-CONFIG" "5" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-config \- Syncthing Configuration
 .
diff --git a/man/syncthing-device-ids.7 b/man/syncthing-device-ids.7
index 4f141d3ea..377f77f82 100644
--- a/man/syncthing-device-ids.7
+++ b/man/syncthing-device-ids.7
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-DEVICE-IDS" "7" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-DEVICE-IDS" "7" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-device-ids \- Understanding Device IDs
 .
diff --git a/man/syncthing-event-api.7 b/man/syncthing-event-api.7
index ebd4a68e3..39f5af6dd 100644
--- a/man/syncthing-event-api.7
+++ b/man/syncthing-event-api.7
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-EVENT-API" "7" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-EVENT-API" "7" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-event-api \- Event API
 .
diff --git a/man/syncthing-faq.7 b/man/syncthing-faq.7
index b2be71a2d..31bef5e75 100644
--- a/man/syncthing-faq.7
+++ b/man/syncthing-faq.7
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-FAQ" "7" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-FAQ" "7" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-faq \- Frequently Asked Questions
 .
diff --git a/man/syncthing-globaldisco.7 b/man/syncthing-globaldisco.7
index 8f54daa60..2084653e9 100644
--- a/man/syncthing-globaldisco.7
+++ b/man/syncthing-globaldisco.7
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-GLOBALDISCO" "7" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-GLOBALDISCO" "7" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-globaldisco \- Global Discovery Protocol v3
 .
diff --git a/man/syncthing-localdisco.7 b/man/syncthing-localdisco.7
index 4ab15057c..fbe01d24f 100644
--- a/man/syncthing-localdisco.7
+++ b/man/syncthing-localdisco.7
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-LOCALDISCO" "7" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-LOCALDISCO" "7" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-localdisco \- Local Discovery Protocol v4
 .
diff --git a/man/syncthing-networking.7 b/man/syncthing-networking.7
index cf46f8c3b..4a7f234e4 100644
--- a/man/syncthing-networking.7
+++ b/man/syncthing-networking.7
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-NETWORKING" "7" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-NETWORKING" "7" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-networking \- Firewall Setup
 .
diff --git a/man/syncthing-relay.7 b/man/syncthing-relay.7
index 7b4640b62..a01921304 100644
--- a/man/syncthing-relay.7
+++ b/man/syncthing-relay.7
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-RELAY" "7" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-RELAY" "7" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-relay \- Relay Protocol v1
 .
diff --git a/man/syncthing-rest-api.7 b/man/syncthing-rest-api.7
index c1fd56926..03f8d3438 100644
--- a/man/syncthing-rest-api.7
+++ b/man/syncthing-rest-api.7
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-REST-API" "7" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-REST-API" "7" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-rest-api \- REST API
 .
@@ -745,31 +745,91 @@ This is an expensive call, increasing CPU and RAM usage on the device. Use spari
 .UNINDENT
 .SS GET /rest/db/completion
 .sp
-Returns the completion percentage (0 to 100) for a given device and
-folder. Takes \fBdevice\fP and \fBfolder\fP parameters.
+Returns the completion percentage (0 to 100) and byte / item counts. Takes
+optional \fBdevice\fP and \fBfolder\fP parameters:
+.INDENT 0.0
+.IP \(bu 2
+\fBfolder\fP specifies the folder ID to calculate completion for. An empty
+or absent \fBfolder\fP parameter means all folders as an aggregate.
+.IP \(bu 2
+\fBdevice\fP specifies the device ID to calculate completion for. An empty
+or absent \fBdevice\fP parameter means the local device.
+.UNINDENT
+.sp
+If a device is specified but no folder, completion is calculated for all
+folders shared with that device.
+.SS Example Queries
+.sp
+Completion status for folder \fBabcd\-1234\fP on device \fBI6KAH76\-...\-3PSROAU\fP:
+.INDENT 0.0
+.INDENT 3.5
+.sp
+.nf
+.ft C
+/rest/db/completion?folder=abcd\-1234&device=I6KAH76\-...\-3PSROAU
+.ft P
+.fi
+.UNINDENT
+.UNINDENT
+.sp
+Aggregated completion status for device \fBI6KAH76\-...\-3PSROAU\fP (all folders shared with them):
+.INDENT 0.0
+.INDENT 3.5
+.sp
+.nf
+.ft C
+/rest/db/completion?device=I6KAH76\-...\-3PSROAU
+.ft P
+.fi
+.UNINDENT
+.UNINDENT
+.sp
+Completion status for folder \fBabcd\-1234\fP on the local device:
+.INDENT 0.0
+.INDENT 3.5
+.sp
+.nf
+.ft C
+/rest/db/completion?folder=abcd\-1234
+.ft P
+.fi
+.UNINDENT
+.UNINDENT
+.sp
+Aggregated completion status for all folders on the local device:
+.INDENT 0.0
+.INDENT 3.5
+.sp
+.nf
+.ft C
+/rest/db/completion
+.ft P
+.fi
+.UNINDENT
+.UNINDENT
+.SS Example Response
 .INDENT 0.0
 .INDENT 3.5
 .sp
 .nf
 .ft C
 {
-  "completion": 100,
+  "completion": 99.9937565835,
   "globalBytes": 156793013575,
-  "needBytes": 0,
-  "needDeletes": 0,
-  "needItems": 0
+  "needBytes": 9789241,
+  "globalItems": 7823,
+  "needItems": 412,
+  "needDeletes": 0
 }
 .ft P
 .fi
 .UNINDENT
 .UNINDENT
 .sp
-\fBNOTE:\fP
-.INDENT 0.0
-.INDENT 3.5
-This is an expensive call, increasing CPU and RAM usage on the device. Use sparingly.
-.UNINDENT
-.UNINDENT
+New in version 1.8.0: The ability to aggregate multiple folders by leaving out the folder ID.
+Querying data for the local device by leaving out the device ID. Returning
+the \fBglobalItems\fP counter in the response.
+
 .SS GET /rest/db/file
 .sp
 Returns most data available about a given file, including version and
diff --git a/man/syncthing-security.7 b/man/syncthing-security.7
index 8882636cb..3e1a67738 100644
--- a/man/syncthing-security.7
+++ b/man/syncthing-security.7
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-SECURITY" "7" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-SECURITY" "7" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-security \- Security Principles
 .
diff --git a/man/syncthing-stignore.5 b/man/syncthing-stignore.5
index fda2d6150..b5a2c426f 100644
--- a/man/syncthing-stignore.5
+++ b/man/syncthing-stignore.5
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-STIGNORE" "5" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-STIGNORE" "5" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-stignore \- Prevent files from being synchronized to other nodes
 .
diff --git a/man/syncthing-versioning.7 b/man/syncthing-versioning.7
index f80a1d175..a322e5cfb 100644
--- a/man/syncthing-versioning.7
+++ b/man/syncthing-versioning.7
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING-VERSIONING" "7" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING-VERSIONING" "7" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing-versioning \- Keep automatic backups of deleted files by other nodes
 .
diff --git a/man/syncthing.1 b/man/syncthing.1
index ea26964fb..fe6148968 100644
--- a/man/syncthing.1
+++ b/man/syncthing.1
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "SYNCTHING" "1" "Jun 23, 2020" "v1" "Syncthing"
+.TH "SYNCTHING" "1" "Jul 03, 2020" "v1" "Syncthing"
 .SH NAME
 syncthing \- Syncthing
 .