Revert "chore: Change the twilight release tag name to canary, b=no-bug, c=workflows"

This reverts commit d28622e749.

.github/workflows/build.yml

@@ -368,7 +368,7 @@ jobs:
     strategy:
       matrix:
         arch: [x86_64, aarch64]
-    needs: [linux]
+    needs: [linux, build-data]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -406,6 +406,8 @@ jobs:
             sed -i -e 's/StartupWMClass=zen/StartupWMClass=zen-twilight/g' build/AppDir/zen.desktop
           fi
 
+          sed -i -e 's/\$VERSION/${{ needs.build-data.outputs.version }}/g' build/AppDir/zen.desktop
+
           APPDIR=build/AppDir
           tar -xvf *.tar.* && rm -rf *.tar.*
           mv zen/* $APPDIR/

.github/workflows/linux-release-build.yml

@@ -92,7 +92,6 @@ jobs:
 
       - name: Fix Rust version
         run: |
-          # Install a rust version compatible with LLVM 18
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain $(cat .rust-toolchain)
           source $HOME/.cargo/env
 

.github/workflows/sync-upstream.yml

@@ -73,15 +73,13 @@ jobs:
             npm run sync
           fi
 
-      - name: Run formatter
-        if: steps.check-upstream-branch.outputs.branch_exists == 'false'
-        run: |
-          sudo apt install python3-autopep8
-          npm run pretty
+      - name: Install autopep8
+        run: sudo apt install python3-autopep8
 
       - name: Check if any files changed
         id: git-check
         run: |
+          npm run pretty
           if [ -n "$(git status --porcelain)" ]; then
             echo "files_changed=true" >> $GITHUB_OUTPUT
           else
@@ -111,6 +109,15 @@ jobs:
         if: steps.git-check.outputs.files_changed == 'true'
         run: python3 scripts/import_external_tests.py || true
 
+      - name: Import external patches
+        if: steps.git-check.outputs.files_changed == 'true'
+        run: python3 scripts/import_external_patches.py || true
+
+      - name: Run formatter
+        if: steps.check-upstream-branch.outputs.branch_exists == 'false'
+        run: |
+          npm run pretty
+
       - name: Create pull request
         uses: peter-evans/create-pull-request@v7
         if: steps.git-check.outputs.files_changed == 'true'

.prettierignore

@@ -37,5 +37,6 @@ src/zen/common/ZenEmojis.mjs
 
 src/zen/split-view/zen-decks.css
 src/zen/workspaces/zen-workspaces.css
+src/zen/common/styles/zen-toolbar.css
 
 *.inc

.rust-toolchain

@@ -1 +1 @@
-1.83
+1.89

README.md

@@ -34,8 +34,8 @@ Zen is a firefox-based browser with the aim of pushing your productivity to a ne
 
 ### Firefox Versions
 
-- [`Release`](https://zen-browser.app/download) - Is currently built using Firefox version `147.0.1`! 🚀
-- [`Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 147.0.1`!
+- [`Release`](https://zen-browser.app/download) - Is currently built using Firefox version `147.0.4`! 🚀
+- [`Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 148.0`!
 
 ### Contributing
 

build/AppDir/zen.desktop

@@ -12,6 +12,7 @@ Terminal=false
 X-MultipleArgs=false
 Keywords=Internet;WWW;Browser;Web;Explorer;
 Actions=new-window;new-private-window;profilemanager;
+X-AppImage-Version=$VERSION
 
 [Desktop Action new-window]
 Name=Open a New Window

build/firefox-cache/l10n-last-commit-hash

@@ -1 +1 @@
-783b222b1b93fb9e8c52eb57558ef7f07bca6e7e
+b7d21837fa8fcae98dab2a4f016cc9fb3053903d

build/flatpak/app.zen_browser.zen.yml.template

@@ -20,12 +20,12 @@ finish-args:
   - --socket=cups
   - --persist=.zen
   - --env=DICPATH=/usr/share/hunspell
-  - --filesystem=xdg-config/gtk-3.0:ro
   - --filesystem=xdg-download:rw
   - --filesystem=/run/.heim_org.h5l.kcm-socket
   - --filesystem=xdg-run/speech-dispatcher:ro
   - --device=all
   - --talk-name=org.freedesktop.FileManager1
+  - --talk-name=org.freedesktop.Notifications
   - --system-talk-name=org.freedesktop.NetworkManager
   - --talk-name=org.a11y.Bus
   - --talk-name=org.gtk.vfs.*
@@ -63,12 +63,6 @@ modules:
         strip-components: 0
         only-arches:
           - x86_64
-        x-checker-data:
-          type: json
-          url: https://api.github.com/repos/zen-browser/desktop/releases/latest
-          version-query: .tag_name
-          url-query: .assets[] | select(.name=="zen.linux-x86_64.tar.xz") | .browser_download_url
-          is-main-source: true
 
       - type: archive
         url: https://github.com/zen-browser/desktop/releases/download/{version}/zen.linux-aarch64.tar.xz
@@ -76,12 +70,6 @@ modules:
         strip-components: 0
         only-arches:
           - aarch64
-        x-checker-data:
-          type: json
-          url: https://api.github.com/repos/zen-browser/desktop/releases/latest
-          version-query: .tag_name
-          url-query: .assets[] | select(.name=="zen.linux-aarch64.tar.xz") | .browser_download_url
-          is-main-source: true
 
       - type: archive
         url: https://github.com/zen-browser/flatpak/releases/download/{version}/archive.tar

build/windows/sign.ps1

@@ -148,7 +148,7 @@ function SignAndPackage($name) {
         $env:WIN32_REDIST_DIR="$PWD\win-cross\vs2022\VC\Redist\MSVC\14.38.33135\x64\Microsoft.VC143.CRT"
     }
 
-    $env:MAR="..\\build\\winsign\\mar.exe"
+    $env:MAR="..\\build\\windows\\mar.exe"
     if ($name -eq "arm64") {
         $env:SURFER_COMPAT="aarch64"
     } else {

configs/common/mozconfig

@@ -9,9 +9,6 @@ ac_add_options --with-app-basename=Zen
 # Localization (Must be an absolute path)
 ac_add_options --with-l10n-base="${topsrcdir}/browser/locales"
 
-# See https://github.com/zen-browser/desktop/issues/11917 for future plans.
-# We should be removing this at some point and start supporting XDG dirs.
-ac_add_options --with-user-appdir=".${binName}"
 export MOZ_APP_BASENAME=Zen
 export MOZ_BRANDING_DIRECTORY=${brandingDir}
 export MOZ_OFFICIAL_BRANDING_DIRECTORY=${brandingDir}
@@ -85,6 +82,11 @@ if test "$ZEN_RELEASE"; then
   export MOZ_PACKAGE_JSSHELL=1
 
   ac_add_options --disable-crashreporter
+
+  # Experimental flag, enabled only on nightly for Firefox.
+  # Should bring in some nice performance improvements, 
+  # but may cause stability issues.
+  ac_add_options --enable-replace-malloc
 fi
 
 ac_add_options --enable-unverified-updates

configs/linux/mozconfig

@@ -30,17 +30,11 @@ if test "$ZEN_RELEASE"; then
     fi
 
     # Disable DMD and ELF hacks, enable linker lld
-    ac_add_options --disable-dmd
     ac_add_options --enable-linker=lld
     ac_add_options --disable-elf-hack
-    ac_add_options --disable-necko-wifi
 
     # Stripping options for release builds
     ac_add_options --enable-install-strip
     ac_add_options --enable-strip
     export STRIP_FLAGS="--strip-debug --strip-unneeded"
 fi
-
-# Common options
-ac_add_options --enable-alsa
-ac_add_options --enable-pulseaudio

docs/issue-metrics/2026_2026-01-01..2026-01-31.md

@@ -0,0 +1,262 @@
+# Issue Metrics
+
+| Metric | Average | Median | 90th percentile |
+| --- | --- | --- | ---: |
+| Time to first response | 14:19:40 | 2:07:00 | 1 day, 4:29:24 |
+| Time to close | 23:19:13 | 6:44:05 | 2 days, 5:35:23 |
+
+| Metric | Count |
+| --- | ---: |
+| Number of items that remain open | 103 |
+| Number of items closed | 141 |
+| Total number of items created | 244 |
+
+| Title | URL | Time to first response | Time to close |
+| --- | --- | --- | --- |
+| Filling in the search, query does not work with Ecosia | https://github.com/zen-browser/desktop/issues/12186 | None | None |
+| Workspaces are not synchronized between Zen on Windows 11 and macOS. | https://github.com/zen-browser/desktop/issues/12184 | 0:13:05 | 0:13:05 |
+| the 1st 2 workspaces aren't visible in the workspace bar at the bottom (SOLVED) | https://github.com/zen-browser/desktop/issues/12182 | None | 0:52:19 |
+| Broken web player and descript as part of page | https://github.com/zen-browser/desktop/issues/12181 | None | None |
+| Websites having wrong icons in history panel | https://github.com/zen-browser/desktop/issues/12179 | 4:54:50 | None |
+| Dragging and Dropping Tabs between Windows causes weird issues with Tab Sync enabled | https://github.com/zen-browser/desktop/issues/12178 | None | 16:59:50 |
+| Incorrect Text - Resetting an Essential Tab should be called "Reset Essential Tab" instead of "Reset Pinned Tab" | https://github.com/zen-browser/desktop/issues/12177 | None | None |
+| Windows management is broken - they keep cloning each other. | https://github.com/zen-browser/desktop/issues/12176 | 1:26:12 | 11:12:54 |
+| Application menu visual glitches on KDE Plasma 5.27.5 and Kwin | https://github.com/zen-browser/desktop/issues/12175 | None | None |
+| Middle mouse button does not delete tabs inside folders | https://github.com/zen-browser/desktop/issues/12174 | None | None |
+| Window Sync Extents to Unpinned and Non Essential Tabs (unexpected) | https://github.com/zen-browser/desktop/issues/12173 | 0:48:02 | None |
+| Clearing all tabs in window closes window | https://github.com/zen-browser/desktop/issues/12172 | 0:52:12 | None |
+| Disabling window sync prevents tabs from being re-named and dragging out tab to new window will use the blank default window instead the previous behaviour. | https://github.com/zen-browser/desktop/issues/12171 | None | None |
+| Update deleted all my tabs | https://github.com/zen-browser/desktop/issues/12170 | 0:40:34 | 21:14:31 |
+| Right-click > Move Tab does not always show your Workspaces | https://github.com/zen-browser/desktop/issues/12168 | 1 day, 4:29:24 | None |
+| background play isnt working | https://github.com/zen-browser/desktop/issues/12167 | None | None |
+| Windows 11 - Update to 1.18.3b loses all tabs and essentials | https://github.com/zen-browser/desktop/issues/12166 | 0:49:13 | 0:49:13 |
+| Zen wants to set itself as default browser after each update even if it already is | https://github.com/zen-browser/desktop/issues/12164 | None | None |
+| 1.18.3b AutoUpdate Lost all Tabs including Essentials | https://github.com/zen-browser/desktop/issues/12163 | 0:55:04 | 19:43:42 |
+| Gaming mouse's back/forward button keeps moving Workspaces instead of page | https://github.com/zen-browser/desktop/issues/12161 | 0:27:35 | 0:46:07 |
+| Dragging multiple tabs from one window to another flips their order | https://github.com/zen-browser/desktop/issues/12159 | None | None |
+| The pop-up UI button options for saving or saving passwords are not functional | https://github.com/zen-browser/desktop/issues/12158 | None | None |
+| I lost all my folder and essentials due to the uptdate | https://github.com/zen-browser/desktop/issues/12157 | 0:35:43 | 0:35:43 |
+| Dragging tabs between windows still doesn't work right | https://github.com/zen-browser/desktop/issues/12156 | 1:46:33 | None |
+| Discord Camera playback | https://github.com/zen-browser/desktop/issues/12155 | None | None |
+| Custom url homepage not working | https://github.com/zen-browser/desktop/issues/12154 | 13:36:48 | None |
+| Numerous "New Tabs" when restoring session | https://github.com/zen-browser/desktop/issues/12152 | 0:17:33 | None |
+| Feature Request: Allow manual editing of pinned tab URLs | https://github.com/zen-browser/desktop/issues/12151 | 1:19:36 | 1:19:36 |
+| "Find in page" bar has white background wth black theme | https://github.com/zen-browser/desktop/issues/12150 | None | 0:00:43 |
+| Open a local index.html with zen | https://github.com/zen-browser/desktop/issues/12149 | 4:53:15 | 8:41:06 |
+| No synchronization of tabs between computers | https://github.com/zen-browser/desktop/issues/12148 | 0:41:19 | 1:04:28 |
+| Cursor stuck as `default` everywhere after updating to 1.18.3b | https://github.com/zen-browser/desktop/issues/12145 | None | 21:06:24 |
+| An issue with custom keyboard shortcuts; Particular keys fail to work | https://github.com/zen-browser/desktop/issues/12144 | 13:30:14 | None |
+| 1.18.3b broke the drag to split tabs function (with a recording to show this in TROUBLE SHOOTING mode) | https://github.com/zen-browser/desktop/issues/12143 | 0:23:19 | None |
+| Loaded tabs are faded out in new windows | https://github.com/zen-browser/desktop/issues/12142 | 8:30:17 | None |
+| Window Sync with multi monitors is a nightmare. | https://github.com/zen-browser/desktop/issues/12141 | 0:36:59 | 8:04:12 |
+| Multiple Windows On Launch In Wayland | https://github.com/zen-browser/desktop/issues/12140 | 0:12:51 | None |
+| Update Broken, Cont. | https://github.com/zen-browser/desktop/issues/12139 | 14:23:05 | None |
+| Some Settings Are Not Persisting Between Restarts | https://github.com/zen-browser/desktop/issues/12138 | 2:27:50 | None |
+| "What's New" page text error for 1.18b | https://github.com/zen-browser/desktop/issues/12137 | 5:46:25 | 17:40:01 |
+| Grouping Tabs Together has become bugged on new update | https://github.com/zen-browser/desktop/issues/12136 | 2:38:32 | None |
+| Supabase Dashboard is not loading | https://github.com/zen-browser/desktop/issues/12135 | 6:13:09 | 20:45:26 |
+| Workspace bookmark | https://github.com/zen-browser/desktop/issues/12134 | None | None |
+| Broken Firefox Sync: Bookmarks no longer syncing between Zen Desktop and Firefox Mobile after recent update | https://github.com/zen-browser/desktop/issues/12133 | 1:22:35 | None |
+| 软件启动的时候会弹出两个窗口 | https://github.com/zen-browser/desktop/issues/12132 | 2:08:29 | 2:08:29 |
+| Latest Update deleted all my Tabs | https://github.com/zen-browser/desktop/issues/12131 | 0:08:05 | 0:07:30 |
+| Cannot drag tabs from window with 2 or more tabs into another window | https://github.com/zen-browser/desktop/issues/12130 | 0:06:58 | 0:06:58 |
+| Window sync completely breaks my workflow | https://github.com/zen-browser/desktop/issues/12127 | 0:11:09 | 1:42:54 |
+| Full screen video content cut off when browser window in full screen | https://github.com/zen-browser/desktop/issues/12126 | None | 0:39:59 |
+| Passkeys do not work on GitHub | https://github.com/zen-browser/desktop/issues/12125 | None | None |
+| Apple login does not work via apple.com's oauth API | https://github.com/zen-browser/desktop/issues/12124 | None | None |
+| "Open previous windows and tabs" setting breaks when zen.window-sync.prefer-unsynced-windows is set to false | https://github.com/zen-browser/desktop/issues/12121 | 0:54:22 | 8:23:30 |
+| Zen struggle rendering large DOM lists containing lots of child elements | https://github.com/zen-browser/desktop/issues/12119 | 2 days, 21:36:13 | None |
+| Drag and drop tabs to different workspaces between two different zen windows causes the tabs to disappear after restart | https://github.com/zen-browser/desktop/issues/12116 | 0:04:16 | None |
+| Windows Sync and Tabs | https://github.com/zen-browser/desktop/issues/12115 | 0:05:26 | 0:05:26 |
+| Loss of open tabs after update 1.18.x | https://github.com/zen-browser/desktop/issues/12114 | 1:10:05 | 1:59:02 |
+| Tab focus returns to parent tab instead of adjacent tab when closing multiple results | https://github.com/zen-browser/desktop/issues/12113 | 11:47:07 | 14:11:10 |
+| New window does not auto focus url bar with zen.urlbar.replace-newtab set to false | https://github.com/zen-browser/desktop/issues/12112 | None | None |
+| 1.18b completely breaks Simple Tab Groups | https://github.com/zen-browser/desktop/issues/12111 | 0:06:51 | 0:06:51 |
+| Essentials icon keep disappearing | https://github.com/zen-browser/desktop/issues/12110 | 0:13:16 | 0:13:16 |
+| Random Infinite Loading/Crashes when watching a YouTube video | https://github.com/zen-browser/desktop/issues/12109 | 1:23:12 | None |
+| Zen icon deleted after an update | https://github.com/zen-browser/desktop/issues/12108 | 0:08:52 | 0:08:52 |
+| Bug with folders with split tabs after update 1.18.2b (Mac) | https://github.com/zen-browser/desktop/issues/12107 | 0:17:10 | None |
+| Weird bug when repoen zen the tabs keeps recover | https://github.com/zen-browser/desktop/issues/12106 | 0:33:42 | None |
+| Notification can't be closed when tabs are on the right side (mailto notify) | https://github.com/zen-browser/desktop/issues/12104 | 2:40:15 | None |
+| Cannot move tab from one window to another | https://github.com/zen-browser/desktop/issues/12103 | 0:12:36 | 0:13:32 |
+| on Essential Tabs , when i recieve a message on whatsapp it gets hidden, i do get notification but it doesnt show | https://github.com/zen-browser/desktop/issues/12101 | 0:08:34 | 0:08:36 |
+| Continue where you let off for bookmarks | https://github.com/zen-browser/desktop/issues/12100 | 1:16:25 | 3:48:13 |
+| Essential tabs disappearing after excessive clicks | https://github.com/zen-browser/desktop/issues/12099 | 4:13:22 | 4:13:22 |
+| Enhanced Tracking Protection reverts back to strict on launch | https://github.com/zen-browser/desktop/issues/12096 | 7:40:37 | 19:27:51 |
+| Sidebar tab title color / contrast changed in v1.18 | https://github.com/zen-browser/desktop/issues/12095 | None | 0:13:40 |
+| New window does not open correct space. | https://github.com/zen-browser/desktop/issues/12094 | 0:01:55 | None |
+| Bug: Essentials tabs disappear after rapid activation | https://github.com/zen-browser/desktop/issues/12092 | 0:31:21 | 1:23:25 |
+| Tabs being cloned to all windows | https://github.com/zen-browser/desktop/issues/12088 | 0:06:01 | 0:47:56 |
+| Pinned extensions disappear when more than 1 is pinned | https://github.com/zen-browser/desktop/issues/12087 | 1 day, 14:00:23 | None |
+| Bookmark icons not showing properly | https://github.com/zen-browser/desktop/issues/12084 | 0:03:11 | None |
+| There is a problem with Zen when opening tabs: it is slow | https://github.com/zen-browser/desktop/issues/12083 | None | None |
+| Jump to a blank page after closing all normal tabs | https://github.com/zen-browser/desktop/issues/12081 | None | 1 day, 21:13:35 |
+| Dragging and Dropping tabs within the sidebar. Tab pops out as white box. | https://github.com/zen-browser/desktop/issues/12080 | 2:07:00 | None |
+| Essential tabs dissapear from sidebar UI | https://github.com/zen-browser/desktop/issues/12078 | 0:01:44 | 0:01:44 |
+| F6 doesn't float url bar | https://github.com/zen-browser/desktop/issues/12076 | 0:16:04 | 3:38:13 |
+| Blank window. Completely unusable | https://github.com/zen-browser/desktop/issues/12075 | 0:05:13 | 1:07:49 |
+| View Page Source opens in No Container Tab | https://github.com/zen-browser/desktop/issues/12074 | 0:04:07 | None |
+| Zen starting out blank with corrupted tabs | https://github.com/zen-browser/desktop/issues/12073 | 0:05:16 | 2 days, 10:11:43 |
+| Essentials becoming invisible / absent until browser restarted | https://github.com/zen-browser/desktop/issues/12072 | 0:06:59 | 0:06:59 |
+| Proxmox UI Shell renders unreadable. Previously worked. | https://github.com/zen-browser/desktop/issues/12071 | None | None |
+| Grid Split navigations is backwards | https://github.com/zen-browser/desktop/issues/12070 | 22:32:57 | 3 days, 7:21:01 |
+| Bookmarks no longer synchronize | https://github.com/zen-browser/desktop/issues/12069 | None | None |
+| Can't use MacOs specific video features (Portrait, Studio Light, Background) | https://github.com/zen-browser/desktop/issues/12068 | None | None |
+| Turning off zen.window-sync.enabled to false leads to broken new window | https://github.com/zen-browser/desktop/issues/12066 | 0:37:44 | 1:57:03 |
+| Can future versions please not clear out tabs and folder trees when updating/upgrade? | https://github.com/zen-browser/desktop/issues/12064 | None | 4:57:15 |
+| "New Blank Window" uses wrong theme color | https://github.com/zen-browser/desktop/issues/12062 | 9:49:13 | 11:15:18 |
+| [linux] Edit label/title for tab doesn't work | https://github.com/zen-browser/desktop/issues/12060 | 2:25:26 | 3 days, 18:16:00 |
+| Missing option to disable synced windows | https://github.com/zen-browser/desktop/issues/12059 | None | 0:01:21 |
+| Disable Window Sync option in settings? | https://github.com/zen-browser/desktop/issues/12058 | 0:12:41 | 0:12:41 |
+| Tab titles not updating when window sync is disabled | https://github.com/zen-browser/desktop/issues/12057 | 0:05:48 | 0:10:29 |
+| Essentials entry randomly disappeared from UI | https://github.com/zen-browser/desktop/issues/12056 | 0:12:56 | 0:12:56 |
+| Pinned tabs not resseting on startup | https://github.com/zen-browser/desktop/issues/12055 | 2:00:07 | 2:30:05 |
+| [Wayland] Zen browser shows white blank panel on startup | https://github.com/zen-browser/desktop/issues/12054 | 1:24:35 | 1 day, 12:37:36 |
+| [Tab Sync] Tab in Glance mode opens as regular tab on other window. | https://github.com/zen-browser/desktop/issues/12051 | 1 day, 19:56:04 | None |
+| workspace tabs desync across windows | https://github.com/zen-browser/desktop/issues/12050 | 0:11:59 | None |
+| Essential tab stop working | https://github.com/zen-browser/desktop/issues/12045 | 0:46:10 | 0:46:10 |
+| PWA apps render issue | https://github.com/zen-browser/desktop/issues/12044 | 1:32:16 | 3 days, 1:18:16 |
+| MacOS - Wrong tab selected when going backwards | https://github.com/zen-browser/desktop/issues/12043 | 0:04:04 | None |
+| Problem with important tabs | https://github.com/zen-browser/desktop/issues/12042 | 2 days, 4:15:21 | 2 days, 20:49:00 |
+| Pinned and essential tabs randomly disappear | https://github.com/zen-browser/desktop/issues/12040 | 0:34:50 | 0:34:50 |
+| Sidebar overflows in compact mode | https://github.com/zen-browser/desktop/issues/12039 | 1 day, 4:05:41 | None |
+| Dragging tabs between worksapce is buggy [I think due to sync] | https://github.com/zen-browser/desktop/issues/12037 | 5 days, 11:35:22 | 5 days, 11:35:22 |
+| Sidebar doesn’t close automatically after creating a new tab in Compact Mode | https://github.com/zen-browser/desktop/issues/12036 | 2 days, 6:04:10 | None |
+| The extension items in the context menu multiplying with every right click | https://github.com/zen-browser/desktop/issues/12035 | 3:50:26 | None |
+| Disabling zen.window-sync.enabled breaks "Open previous windows and tabs" | https://github.com/zen-browser/desktop/issues/12034 | 4:38:30 | 6:11:16 |
+| Tab cannot be grabbed and taken into a different Zen browser instance | https://github.com/zen-browser/desktop/issues/12032 | 0:11:57 | 1:21:44 |
+| Window sync with zoom | https://github.com/zen-browser/desktop/issues/12031 | 3:33:29 | 1 day, 17:09:02 |
+| New Window doesn't work with window sync disabled. | https://github.com/zen-browser/desktop/issues/12030 | None | 1:21:07 |
+| Move to space not listed in context menu | https://github.com/zen-browser/desktop/issues/12029 | 1:28:17 | 1:28:17 |
+| All my workspaces and tabs just gone after update, wtf ? :) | https://github.com/zen-browser/desktop/issues/12028 | 0:31:31 | 1:41:41 |
+| Global menu show but unresponsive. | https://github.com/zen-browser/desktop/issues/12024 | 0:06:03 | 6 days, 1:49:53 |
+| Debian 13 | Passkey doesn't show QR code | https://github.com/zen-browser/desktop/issues/12022 | 10:08:54 | None |
+| Performance: Swiping across spaces with multiple tabs open is laggy | https://github.com/zen-browser/desktop/issues/12020 | 0:09:27 | 0:09:27 |
+| Move to Space | https://github.com/zen-browser/desktop/issues/12019 | 0:08:00 | 0:08:00 |
+| [UI Error] Zen Browser Settings UI Error | https://github.com/zen-browser/desktop/issues/12014 | 0:41:54 | 6:44:05 |
+| Full-Screen PIP Mode Retains Dimmed State Indefinitely Due to Hover and System Inactivity | https://github.com/zen-browser/desktop/issues/12013 | None | None |
+| "Check for Updates" Not Working | https://github.com/zen-browser/desktop/issues/12012 | 1:54:04 | 1:54:09 |
+| Website lolalytics.com not working properly after updating to 1.18.1b | https://github.com/zen-browser/desktop/issues/12011 | 10:35:46 | 11:32:35 |
+| No "Open a new Blank Window" action when right-clicking zen on taskbar | https://github.com/zen-browser/desktop/issues/12010 | 9:50:45 | None |
+| Inconsistant capitalization in application menu | https://github.com/zen-browser/desktop/issues/12009 | None | 0:15:37 |
+| Disable window/tab sync by default | https://github.com/zen-browser/desktop/issues/12008 | 0:03:34 | 17:22:46 |
+| Sync not working + pinned tabs do not resert url | https://github.com/zen-browser/desktop/issues/12006 | 0:15:54 | 7:59:09 |
+| Some UI elements not renderring correctly | https://github.com/zen-browser/desktop/issues/12005 | 3:40:46 | 4:36:15 |
+| installer prolbem | https://github.com/zen-browser/desktop/issues/12004 | 2:13:28 | 2:13:28 |
+| Issues with Sidebar Dragging Exiting Full-Screen & Legacy Ctrl+Tab Behavior | https://github.com/zen-browser/desktop/issues/12003 | 4:33:38 | None |
+| Cannot Rename “New Folder” in the Sidebar | https://github.com/zen-browser/desktop/issues/12002 | 0:58:42 | 1:48:21 |
+| Custom font doesn't work | https://github.com/zen-browser/desktop/issues/12001 | 1 day, 8:53:16 | 1 day, 8:53:16 |
+| Windows accent coloring issue with zen | https://github.com/zen-browser/desktop/issues/12000 | 1:11:28 | 1:11:28 |
+| Disabling zen.window-sync.enabled breaks new zen instances | https://github.com/zen-browser/desktop/issues/11999 | 4:34:06 | 22:44:50 |
+| Pinned tabs don't scale: hundreds of pins freeze browser | https://github.com/zen-browser/desktop/issues/11997 | 6:50:35 | 1 day, 13:33:03 |
+| All tabs are gone (also pinned) when updating to 1.18b | https://github.com/zen-browser/desktop/issues/11994 | 4:42:08 | None |
+| "blank window" at startup | https://github.com/zen-browser/desktop/issues/11993 | 0:02:32 | 0:52:40 |
+| Crashing when playing WASMGC game | https://github.com/zen-browser/desktop/issues/11990 | 0:31:55 | None |
+| Pinned Tabs disappearing/invisible | https://github.com/zen-browser/desktop/issues/11989 | 11:31:45 | 11:31:45 |
+| Zen process opens but the window doesn't | https://github.com/zen-browser/desktop/issues/11985 | 0:22:24 | None |
+| Zen has recently got really inconsistent performance (especially after the last few updates). | https://github.com/zen-browser/desktop/issues/11982 | 0:52:04 | None |
+| Twitch.tv Video Streams Not Loading | https://github.com/zen-browser/desktop/issues/11980 | 0:19:27 | None |
+| Page rendering is blank white | https://github.com/zen-browser/desktop/issues/11979 | 15:04:14 | 15:04:14 |
+| Zen is unusable on Cosmic Desktop Environment (unable to remove a checkbox that spawns and hinders using the browser) | https://github.com/zen-browser/desktop/issues/11978 | 0:42:40 | 17:46:00 |
+| Searching with # is not searching bookmarks by tag or title | https://github.com/zen-browser/desktop/issues/11976 | 1:54:07 | 11:45:13 |
+| Conflict Between Browser Page Search Shortcut and Confluence Search | https://github.com/zen-browser/desktop/issues/11975 | None | None |
+| Updater repeatedly reinstalls latest twilight build despite no version change. | https://github.com/zen-browser/desktop/issues/11974 | 0:19:47 | 6:53:06 |
+| Randomly Control button stop functioning | https://github.com/zen-browser/desktop/issues/11972 | None | None |
+| Low refresh rate on Zen Windows version after OS update | https://github.com/zen-browser/desktop/issues/11967 | 21:19:01 | None |
+| Switching workspaces to a split view will cause the area surround the view to turn black for a second | https://github.com/zen-browser/desktop/issues/11965 | 17:19:30 | None |
+| [Bug] Previous session permanently lost after closing and reopening Zen Browser | https://github.com/zen-browser/desktop/issues/11964 | 4:00:54 | 4:01:24 |
+| Closing a normal zen window when an incognito zen browser is opened, removes all the tabs across all my workspaces. | https://github.com/zen-browser/desktop/issues/11963 | 2:10:13 | 2:10:13 |
+| Only sidebar layout -- Always show bookmarks tool bar + window buttons | https://github.com/zen-browser/desktop/issues/11962 | 0:06:53 | 3:10:47 |
+| Zen randomly crashes on macOS | https://github.com/zen-browser/desktop/issues/11958 | 3:36:36 | None |
+| Essentials and pinned tabs don't load automatically on open | https://github.com/zen-browser/desktop/issues/11957 | 12:57:52 | 12:57:52 |
+| Readme reports Firefox 147.0.1 for Release but latest release 1.17.15b (2025-12-20) is 146.0.1 | https://github.com/zen-browser/desktop/issues/11952 | 8:47:04 | 8:47:03 |
+| Non-default container indicator not showing in workspace | https://github.com/zen-browser/desktop/issues/11951 | 0:13:01 | None |
+| Zen not displaying websites on Intel HD graphics 2000 | https://github.com/zen-browser/desktop/issues/11950 | None | None |
+| Private window tabs are mirrored in the main (non-private) window | https://github.com/zen-browser/desktop/issues/11949 | 2:34:54 | 4:47:55 |
+| Media session metadata (title/artist/cover) does not update on site without page refresh | https://github.com/zen-browser/desktop/issues/11948 | 6:32:56 | 1 day, 6:51:54 |
+| Nvidia overlay "Plugin-container is preventing the desktop capture" | https://github.com/zen-browser/desktop/issues/11947 | None | None |
+| Login to self-hosted Bitwarden fails after initialization in multi-account setting | https://github.com/zen-browser/desktop/issues/11946 | 1 day, 14:57:08 | None |
+| Accessing any URL under bitbucket.org returns 404 | https://github.com/zen-browser/desktop/issues/11944 | 2:26:35 | 1 day, 20:58:15 |
+| Acrylic turns grey | https://github.com/zen-browser/desktop/issues/11937 | 0:01:44 | None |
+| lang change | https://github.com/zen-browser/desktop/issues/11934 | 2:27:46 | 3:29:15 |
+| MX Master 3 Forward/Back mouse buttons don't work if zen.workspaces.swipe-actions is false | https://github.com/zen-browser/desktop/issues/11923 | 1:53:09 | 1:53:09 |
+| Tabs UI bug | https://github.com/zen-browser/desktop/issues/11922 | None | None |
+| Positioning of titlebar window control buttons | https://github.com/zen-browser/desktop/issues/11918 | 11:28:41 | 11:28:41 |
+| Zen won't follow XDG base directories | https://github.com/zen-browser/desktop/issues/11917 | 12:43:08 | None |
+| Titlebar expands on hover even if Titlebar setting is Disabled from "Configure Toolbar" in Sidebar only mode of look and feel. | https://github.com/zen-browser/desktop/issues/11915 | None | None |
+| Multiple window sessions result in same tabs open in all windows | https://github.com/zen-browser/desktop/issues/11914 | 1 day, 1:41:36 | 1 day, 1:41:36 |
+| Misplaced Tab (Placed a tab above the new tab button but below the line that separates the pinned tabs) | https://github.com/zen-browser/desktop/issues/11911 | None | 4:09:21 |
+| Sidebar width inconsistency | https://github.com/zen-browser/desktop/issues/11909 | None | None |
+| Cannot expand / fullscreen twitter videos | https://github.com/zen-browser/desktop/issues/11908 | 2 days, 5:35:23 | 2 days, 5:35:23 |
+| Menu shows unsecure connections as secure | https://github.com/zen-browser/desktop/issues/11905 | 2:21:24 | 3:35:25 |
+| Top Toolbar appearing when using shortcut  "Toggle Sidebar's Width" | https://github.com/zen-browser/desktop/issues/11903 | 5:08:25 | 5:08:25 |
+| Only shows default icons for Google Messages for web | https://github.com/zen-browser/desktop/issues/11902 | None | 2:39:30 |
+| The default section disappear from dot list at the below of the tab when swiching spaces | https://github.com/zen-browser/desktop/issues/11901 | 0:50:18 | None |
+| Context menu partially hidden when right-clicking on a Bookmarks folder in the toolbar | https://github.com/zen-browser/desktop/issues/11898 | None | None |
+| Refined Github(extension): Issues interface with notification header flickers / flashes | https://github.com/zen-browser/desktop/issues/11896 | None | None |
+| Glance should work only for links | https://github.com/zen-browser/desktop/issues/11895 | None | 7:53:12 |
+| Auto Unload Does Not And Has Never Unloaded a Single Tab Ever. | https://github.com/zen-browser/desktop/issues/11894 | None | 6:58:48 |
+| Visual Bug: Line through sidebar and settings page | https://github.com/zen-browser/desktop/issues/11893 | None | 12:24:36 |
+| 1password integration - not working | https://github.com/zen-browser/desktop/issues/11892 | 2:39:46 | 13:40:23 |
+| Hardware acceleration worse on Zen vs others (CachyOS - NVIDIA - Wayland) | https://github.com/zen-browser/desktop/issues/11890 | 2:18:58 | 8:44:12 |
+| Some tabs (inside a folder) are not drawn in the sidebar | https://github.com/zen-browser/desktop/issues/11888 | 18:13:05 | 18:13:05 |
+| (macos) (twilight) pinning splitview tabs in folders causes addl tab group labels on restart/update | https://github.com/zen-browser/desktop/issues/11887 | None | 23:27:16 |
+| How can I achieve window transparency on Windows (so that I can see through to the windows or desktop behind it)?/如何实现Windows下窗口透明化（可以看到后面的窗口或桌面） | https://github.com/zen-browser/desktop/issues/11885 | 11:12:00 | 11:12:00 |
+| Form validation checkbox message is white text on white background | https://github.com/zen-browser/desktop/issues/11884 | None | None |
+| Fullscreen with F11 doesn't work as intended | https://github.com/zen-browser/desktop/issues/11883 | 6:30:42 | 6:30:46 |
+| PiP window stays open empty and buttons don’t work | https://github.com/zen-browser/desktop/issues/11881 | None | None |
+| When switching browser layouts, extensions fixed to the toolbar may have display bugs | https://github.com/zen-browser/desktop/issues/11880 | None | 6:31:27 |
+| Zen startup window has a transition from dark background (light background in light mode) + a flash before the mica kicks on windows 11. | https://github.com/zen-browser/desktop/issues/11876 | 1 day, 22:21:29 | None |
+| Zen Hangs/Crashes - Have not been able to use for several months. | https://github.com/zen-browser/desktop/issues/11875 | 2 days, 0:58:56 | None |
+| Settings modal is not in the right place! | https://github.com/zen-browser/desktop/issues/11873 | None | None |
+| Macos: extention pop-ups open up at a different desktop in fullscreen | https://github.com/zen-browser/desktop/issues/11872 | 7:25:14 | 7:25:14 |
+| Close Tab shortcut can close the window | https://github.com/zen-browser/desktop/issues/11871 | 2 days, 6:59:58 | 2 days, 6:59:58 |
+| When on the login page, the extension icon in the address bar cannot be clicked | https://github.com/zen-browser/desktop/issues/11870 | 2 days, 8:04:14 | 19 days, 3:16:59 |
+| Showing multiple empthy pages | https://github.com/zen-browser/desktop/issues/11869 | 4:22:38 | None |
+| Control + click is not opening links in a new tab. | https://github.com/zen-browser/desktop/issues/11868 | 3 days, 21:19:59 | None |
+| Folders and tabs of a workspace are not synced. | https://github.com/zen-browser/desktop/issues/11865 | 1:58:13 | 1:58:13 |
+| No save button | https://github.com/zen-browser/desktop/issues/11864 | 0:15:11 | None |
+| No Icon For Files | https://github.com/zen-browser/desktop/issues/11860 | 5:02:04 | 20:21:37 |
+| Compatibility issue with aarch64 AppImage starting from v1.17b (GLIBCXX_3.4.26 not found) | https://github.com/zen-browser/desktop/issues/11859 | None | None |
+| Adding New Bookmark in Compact Mode No Longer Pops Up Edit Panel | https://github.com/zen-browser/desktop/issues/11858 | 1 day, 18:54:21 | None |
+| 什么时候能支持网页驱动 | https://github.com/zen-browser/desktop/issues/11857 | 12:28:29 | 12:28:29 |
+| Workspace Switching Becomes Laggy with 4+ Workspaces and many pinned Tabs on Windows (NVIDIA GPU). | https://github.com/zen-browser/desktop/issues/11851 | 2:00:50 | None |
+| Closing a recently opened tab returns to the top tab, not the previously focused tab | https://github.com/zen-browser/desktop/issues/11845 | 19:10:53 | 1 day, 17:02:53 |
+| Wrong italian translation of "Workspace forward" in shortcuts settings | https://github.com/zen-browser/desktop/issues/11841 | 1:17:18 | None |
+| Cannot close pinned tabs | https://github.com/zen-browser/desktop/issues/11838 | 0:21:08 | 0:23:33 |
+| Copy URL shortcut does not copy URL before page has loaded | https://github.com/zen-browser/desktop/issues/11835 | None | None |
+| Extensions not showing up in toolbar. | https://github.com/zen-browser/desktop/issues/11834 | 1:33:29 | 9:20:29 |
+| Multiple duplicated Bookmarks | https://github.com/zen-browser/desktop/issues/11832 | None | None |
+| [BUG] Closing and re-opening zen twighlight turns a bunch of tabs into 'New Tab's | https://github.com/zen-browser/desktop/issues/11831 | 15:57:31 | 7 days, 8:27:19 |
+| Indent issue on active pinned tab in collapsed workspace | https://github.com/zen-browser/desktop/issues/11830 | 17:46:11 | 1 day, 6:07:21 |
+| High Ram Usage | https://github.com/zen-browser/desktop/issues/11828 | None | 0:20:29 |
+| Unable to install extentions in compact mode | https://github.com/zen-browser/desktop/issues/11827 | None | 1:11:29 |
+| Extension icons display inconsitently when switching toolbar modes or resizing window | https://github.com/zen-browser/desktop/issues/11826 | 2:31:13 | None |
+| MS Entra auth not working | https://github.com/zen-browser/desktop/issues/11825 | 3:14:28 | 20:29:41 |
+| "Restore pinned tabs to their originally pinned URL on startup' option doesn't reset Pinned Tabs go back to Originally Pinned URL, i.e. doesn't reset them | https://github.com/zen-browser/desktop/issues/11823 | 2 days, 12:40:16 | None |
+| Crashes when signing into aws console MFA passkey via lastpassword | https://github.com/zen-browser/desktop/issues/11820 | None | None |
+| Using the dev console in glance causes weird ui | https://github.com/zen-browser/desktop/issues/11815 | 1:43:58 | None |
+| The VS Code integrated extension “Live Server” does not automatically detect the Zen Browser, even when it is set as the default browser. | https://github.com/zen-browser/desktop/issues/11813 | 2:56:35 | 2 days, 12:21:43 |
+| Ctrl+T does not open new tab if shortcuts are removed | https://github.com/zen-browser/desktop/issues/11811 | 0:40:23 | None |
+| Sidebar title is overlapping with essential tabs after screen unlock | https://github.com/zen-browser/desktop/issues/11808 | None | 15:50:26 |
+| button alignment does not change in pop-up window | https://github.com/zen-browser/desktop/issues/11805 | 0:10:14 | None |
+| "Focus on <space>" action not available | https://github.com/zen-browser/desktop/issues/11804 | 0:03:34 | 1 day, 0:35:28 |
+| Split View and Floating URL bugs when a Youtube video is in Full Screen and Ctrl + Shift  + * is pressed. | https://github.com/zen-browser/desktop/issues/11803 | None | 7 days, 0:58:59 |
+| Trackpad diagonal scroll unintentionally switches workspaces instead of scrolling tabs | https://github.com/zen-browser/desktop/issues/11802 | 2:20:42 | None |
+| New tab opens when Alt+Tabbing or pressing Windows key while YouTube is playing | https://github.com/zen-browser/desktop/issues/11801 | 8:57:44 | None |
+| Broken Installer (fixed) | https://github.com/zen-browser/desktop/issues/11800 | None | 1 day, 22:57:03 |
+| subfolder collapse state issue when collapsing pinned area | https://github.com/zen-browser/desktop/issues/11799 | 11:27:53 | 1 day, 12:52:10 |
+| Glance opens a new window for local file URLs (file://) | https://github.com/zen-browser/desktop/issues/11797 | None | None |
+| acronis.com nginx  a header or cookie larger than permitted | https://github.com/zen-browser/desktop/issues/11795 | None | None |
+| Cannot listen to songs using the spotify integration on Musixmatch for lyric syncing in Zen | https://github.com/zen-browser/desktop/issues/11792 | 0:15:31 | 0:15:31 |
+| Adding Split Tab Groups to a folder Makes the folder disappear | https://github.com/zen-browser/desktop/issues/11791 | 15 days, 4:38:37 | 15 days, 4:38:37 |
+| Clear tabs button's separator is missing on Linux | https://github.com/zen-browser/desktop/issues/11789 | None | 3 days, 10:41:55 |
+| [Twilight] Cannot add tab to bottom of folder | https://github.com/zen-browser/desktop/issues/11788 | 21:08:12 | 21:08:12 |
+| Flathub version doesn’t work on Debian 13 | https://github.com/zen-browser/desktop/issues/11787 | 25 days, 12:50:21 | None |
+| Split View sidebar shows extra tab after restoring a closed tab (Ctrl+Shift+T) | https://github.com/zen-browser/desktop/issues/11785 | None | None |
+| Cursor moved far right of window does not grab scrollbar when window is maximised | https://github.com/zen-browser/desktop/issues/11783 | 6:07:23 | 6:07:23 |
+| HMR Not Working Correctly for Frontend Development | https://github.com/zen-browser/desktop/issues/11782 | 7:57:34 | 9:05:06 |
+| Failing to obtain location | https://github.com/zen-browser/desktop/issues/11781 | 15:43:36 | 1 day, 17:23:10 |
+
+_This report was generated with the [Issue Metrics Action](https://github.com/github/issue-metrics)_
+Search query used to find these items: `repo:zen-browser/desktop is:issue created:2026-01-01..2026-01-31`

locales/ca/browser/browser/preferences/zen-preferences.ftl

@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Commuta l'emmagatzematge
 zen-devtools-toggle-dom-shortcut = Commuta el DOM
 zen-devtools-toggle-accessibility-shortcut = Commuta l'accessibilitat
 zen-close-all-unpinned-tabs-shortcut = Tanca totes les pestanyes no fixades
-zen-new-unsynced-window-shortcut = Nova finestra no sincronitzada
+zen-new-unsynced-window-shortcut = Nova finestra en blanc

locales/ca/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = Fosca
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nova finestra en blanc

locales/cy/browser/browser/preferences/zen-preferences.ftl

@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Toglo Storio
 zen-devtools-toggle-dom-shortcut = Toglo DOM
 zen-devtools-toggle-accessibility-shortcut = Toglo Hygyrchedd
 zen-close-all-unpinned-tabs-shortcut = Cau Pob Tab Heb ei Binio
-zen-new-unsynced-window-shortcut = Ffenestr Newydd Heb ei Chydweddu
+zen-new-unsynced-window-shortcut = Ffenestr Wag Newydd

locales/cy/browser/browser/zen-general.ftl

@@ -2,8 +2,8 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-zen-panel-ui-current-profile-text = proffil cyfredol
-unified-extensions-description = Mae ychwanegiadau'n cael ei defnyddio er mwyn ychwanegu fwy o weithrediadau i { -brand-short-name }.
+zen-panel-ui-current-profile-text = y proffil cyfredol
+unified-extensions-description = Mae estyniadau'n cael ei defnyddio er mwyn ychwanegu fwy o swyddogaeth i { -brand-short-name }.
 tab-context-zen-reset-pinned-tab = 
     .label = Ailosod Tab wedi'i Binio
     .accesskey = A
@@ -109,7 +109,7 @@ zen-sidebar-notification-updated-tooltip =
 zen-sidebar-notification-restart-safe-mode-label = Rhywbeth wedi torri?
 zen-sidebar-notification-restart-safe-mode-tooltip = 
     .title = Ailgychwyn yn y Modd Diogel
-zen-window-sync-migration-dialog-title = Keep Your Windows in Sync
-zen-window-sync-migration-dialog-message = Zen now syncs windows on the same device, so changes in one window are reflected across the others instantly.
-zen-window-sync-migration-dialog-learn-more = Learn More
-zen-window-sync-migration-dialog-accept = Got It
+zen-window-sync-migration-dialog-title = Cadw Eich Ffenestr Wedi'u Cydweddu
+zen-window-sync-migration-dialog-message = Mae Zen bellach yn cydweddu ffenestri ar yr un ddyfais, felly mae newidiadau mewn un ffenestr yn cael eu dangos ar y lleill yn syth.
+zen-window-sync-migration-dialog-learn-more = Dysgu Rhagor
+zen-window-sync-migration-dialog-accept = Iawn

locales/cy/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = Tywyll
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Ffenestr Wag Newydd

locales/en-US/browser/browser/preferences/zen-preferences.ftl

@@ -53,12 +53,15 @@ category-zen-workspaces =
     .tooltiptext = { pane-zen-tabs-title }
 pane-settings-workspaces-title = Workspaces
 
-zen-tabs-unloader-enabled =
-    .label = Enable Tab Unloader
+zen-tabs-select-recently-used-on-close =
+    .label = When closing a tab, switch to the most recently used tab instead of the next tab
 
 zen-tabs-close-on-back-with-no-history =
     .label = Close tab and switch to its owner tab (or most recently used tab) when going back with no history
 
+zen-settings-workspaces-sync-unpinned-tabs =
+    .label = Sync only pinned tabs in workspaces
+
 zen-tabs-cycle-by-attribute =
   .label = Ctrl+Tab cycles within Essential or Workspace tabs only
 zen-tabs-cycle-ignore-pending-tabs =

locales/en-US/browser/browser/zen-general.ftl

@@ -6,7 +6,11 @@ zen-panel-ui-current-profile-text = current profile
 
 unified-extensions-description = Extensions are used to bring more extra functionality into { -brand-short-name }.
 tab-context-zen-reset-pinned-tab =
-    .label = Reset Pinned Tab
+    .label =
+        { $isEssential ->
+            [true] Reset Essential Tab
+           *[false] Reset Pinned Tab
+        }
     .accesskey = R
 tab-context-zen-add-essential =
     .label = Add to Essentials
@@ -16,7 +20,11 @@ tab-context-zen-remove-essential =
     .label = Remove from Essentials
     .accesskey = R
 tab-context-zen-replace-pinned-url-with-current =
-    .label = Replace Pinned URL with Current
+    .label =
+        { $isEssential ->
+            [true] Replace Essential URL with Current
+           *[false] Replace Pinned URL with Current
+        }
     .accesskey = C
 tab-context-zen-edit-title =
     .label = Change Label...
@@ -137,3 +145,7 @@ zen-window-sync-migration-dialog-title = Keep Your Windows in Sync
 zen-window-sync-migration-dialog-message = Zen now syncs windows on the same device, so changes in one window are reflected across the others instantly.
 zen-window-sync-migration-dialog-learn-more = Learn More
 zen-window-sync-migration-dialog-accept = Got It
+
+zen-appmenu-new-blank-window =
+    .label = New blank window
+

locales/en-US/browser/browser/zen-live-folders.ftl

@@ -0,0 +1,98 @@
+# 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 http://mozilla.org/MPL/2.0/.
+
+zen-live-folder-options =
+    .label = Live Folder Options
+
+zen-live-folder-last-fetched =
+    .label = Last fetch: { $time }
+
+zen-live-folder-refresh =
+    .label = Refresh
+
+zen-live-folder-github-option-author-self =
+    .label = Created by Me
+
+zen-live-folder-github-option-assigned-self =
+    .label = Assigned to Me
+
+zen-live-folder-github-option-review-requested =
+    .label = Review Requests
+
+zen-live-folder-type-rss =
+    .label = RSS Feed
+
+zen-live-folder-option-fetch-interval =
+    .label = Fetch Interval
+
+zen-live-folder-fetch-interval-mins =
+    .label = { $mins ->
+      [one] 1 minute
+      *[other] { $mins } minutes
+    }
+
+zen-live-folder-fetch-interval-hours =
+    .label = { $hours ->
+      [one] 1 hour
+      *[other] { $hours } hours
+    }
+
+zen-live-folder-rss-option-time-range =
+    .label = Time Range
+
+zen-live-folder-time-range-hours =
+    .label = { $hours ->
+      [one] Last hour
+      *[other] Last { $hours } hours
+    }
+
+zen-live-folder-time-range-all-time =
+    .label = All time
+
+zen-live-folder-time-range-days =
+    .label = { $days ->
+      [one] Last day
+      *[other] Last { $days } days
+    }
+
+zen-live-folder-rss-option-item-limit =
+    .label = Item Limit
+
+zen-live-folder-rss-option-feed-url =
+    .label = Feed URL
+
+zen-live-folder-rss-prompt-feed-url = Please enter the feed URL
+
+zen-live-folder-rss-option-item-limit-num =
+    .label = { $limit } items
+
+zen-live-folder-failed-fetch =
+    .label = Failed to update
+    .tooltiptext = Failed to update. Try again.
+
+zen-live-folder-github-no-auth =
+    .label = Not signed in to GitHub
+    .tooltiptext = Sign back in to GitHub.
+
+zen-live-folder-github-no-filter =
+    .label = Filter is not set
+    .tooltiptext = No filter set, nothing will be fetched.
+
+zen-live-folder-rss-invalid-url-title = Failed to create the Live Folder
+zen-live-folder-rss-invalid-url-description = The feed URL is invalid. Check the address and try again
+
+zen-live-folder-github-option-repo-filter =
+    .label = Repositories
+
+zen-live-folder-github-option-repo =
+    .label = { $repo }
+
+zen-live-folder-github-pull-requests =
+    .label = Pull Requests
+
+zen-live-folder-github-issues =
+    .label = Issues
+
+zen-live-folder-github-option-repo-list-note =
+    .label = This list is generated based on your currently active pull requests.

locales/en-US/browser/browser/zen-menubar.ftl

@@ -22,5 +22,5 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark =
     .label = Dark
 
-zen-menubar-new-unsynced-window =
-    .label = New Blank Window
+zen-menubar-new-blank-window =
+    .label = New Blank Window

locales/en-US/browser/browser/zen-split-view.ftl

@@ -16,7 +16,4 @@ zen-split-link =
 
 zen-split-view-modifier-header = Split View
 zen-split-view-modifier-activate-reallocation =
-    .label = Activate reallocation
-zen-split-view-modifier-enabled-toast = Split view rearrange is ON.
-zen-split-view-modifier-enabled-toast-description = Drag and drop the view to rearrange. Press Esc to exit.
-zen-split-view-modifier-disabled-toast = Split view rearrange is OFF.
+    .label = Activate reallocation

locales/en-US/browser/browser/zen-vertical-tabs.ftl

@@ -42,4 +42,9 @@ tabbrowser-reset-pin-button =
         [one] Reset and pin tab
         *[other] Reset and pin { $tabCount } tabs
     }
-tab-reset-pin-label = Back to pinned url
+
+zen-tab-sublabel =
+    { $tabSubtitle ->
+        [zen-default-pinned] Back to pinned url
+        *[other] { $tabSubtitle }
+    }

locales/en-US/browser/browser/zen-workspaces.ftl

@@ -13,6 +13,9 @@ zen-panel-ui-workspaces-create =
 zen-panel-ui-folder-create =
     .label = Create Folder
 
+zen-panel-ui-live-folder-create =
+    .label = Live Folder
+
 zen-panel-ui-new-empty-split =
     .label = New Split
 

locales/fr/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = Sombre
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nouvelle fenêtre non synchronisée

locales/ga-IE/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = Dorcha
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Fuinneog Nua Bán

locales/he/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = כהה
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = חלון ריק חדש

locales/hu/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = Sötét
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Új üres lap

locales/id/browser/browser/preferences/zen-preferences.ftl

@@ -49,8 +49,8 @@ zen-tabs-close-on-back-with-no-history =
 zen-tabs-cycle-by-attribute = 
     .label = Ctrl+Tab berputar hanya dalam tab Esensial atau Ruang Kerja
 zen-tabs-cycle-ignore-pending-tabs = 
-    .label = Ignore Pending tabs when cycling with Ctrl+Tab
-zen-tabs-cycle-by-attribute-warning = Ctrl+Tab will cycle by recently used order, as it is enabled
+    .label = Lewati tab tak termuat saat beralih dengan Ctrl+Tab
+zen-tabs-cycle-by-attribute-warning = Ctrl+Tab akan beralih berdasarkan urutan terakhir digunakan
 zen-look-and-feel-compact-toolbar-themed = 
     .label = Gunakan latar belakang bertema untuk bilah atas dalam mode ringkas
 zen-workspace-continue-where-left-off = 
@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Ubah Penyimpanan
 zen-devtools-toggle-dom-shortcut = Ubah DOM
 zen-devtools-toggle-accessibility-shortcut = Ubah Aksesibilitas
 zen-close-all-unpinned-tabs-shortcut = Tutup Semua Tab yang Tidak Disematkan
-zen-new-unsynced-window-shortcut = New Unsynced Window
+zen-new-unsynced-window-shortcut = Jendela Kosong Baru

locales/id/browser/browser/zen-general.ftl

@@ -60,8 +60,8 @@ zen-site-data-settings = Pengaturan
 zen-generic-manage = Kelola
 zen-generic-more = Selengkapnya
 zen-generic-next = Lanjut
-zen-essentials-promo-label = Add to Essentials
-zen-essentials-promo-sublabel = Keep your favorite tabs just a click away
+zen-essentials-promo-label = Tambahkan ke Essentials
+zen-essentials-promo-sublabel = Akses tab favorit Anda hanya dengan sekali klik
 # These labels will be used for the site data panel settings
 zen-site-data-setting-allow = Diizinkan
 zen-site-data-setting-block = Diblokir
@@ -109,7 +109,7 @@ zen-sidebar-notification-updated-tooltip =
 zen-sidebar-notification-restart-safe-mode-label = Ada yang rusak?
 zen-sidebar-notification-restart-safe-mode-tooltip = 
     .title = Mulai Ulang dalam Mode Aman
-zen-window-sync-migration-dialog-title = Keep Your Windows in Sync
-zen-window-sync-migration-dialog-message = Zen now syncs windows on the same device, so changes in one window are reflected across the others instantly.
-zen-window-sync-migration-dialog-learn-more = Learn More
-zen-window-sync-migration-dialog-accept = Got It
+zen-window-sync-migration-dialog-title = Jaga Jendela Anda Tetap Sinkron
+zen-window-sync-migration-dialog-message = Zen kini menyinkronkan jendela pada perangkat yang sama, sehingga perubahan di satu jendela akan langsung terlihat di jendela lainnya.
+zen-window-sync-migration-dialog-learn-more = Pelajari Lebih Lanjut
+zen-window-sync-migration-dialog-accept = Oke!

locales/id/browser/browser/zen-menubar.ftl

@@ -4,19 +4,19 @@
 
 zen-menubar-toggle-pinned-tabs = 
     .label =
-        { $pinnedAreCollapsed ->
-            [true] Expand Pinned Tabs
-           *[false] Collapse Pinned Tabs
+        { $pinnedAreCollapsed -> 
+         [true] Perluas Tab yang Disematkan 
+         *[false] Ciutkan Tab yang Disematkan 
         }
 zen-menubar-appearance = 
-    .label = Appearance
+    .label = Tampilan
 zen-menubar-appearance-description = 
-    .label = Websites will use:
+    .label = Situs web akan menggunakan:
 zen-menubar-appearance-auto = 
-    .label = Automatic
+    .label = Otomatis
 zen-menubar-appearance-light = 
-    .label = Light
+    .label = Terang
 zen-menubar-appearance-dark = 
-    .label = Dark
+    .label = Gelap
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Jendela Kosong Baru

locales/id/browser/browser/zen-workspaces.ftl

@@ -4,13 +4,13 @@
 
 zen-panel-ui-workspaces-text = Ruang Kerja Lainnya
 zen-panel-ui-spaces-label = 
-    .label = Spaces
+    .label = Ruang
 zen-panel-ui-workspaces-create = 
     .label = Buat Ruang
 zen-panel-ui-folder-create = 
     .label = Buat Folder
 zen-panel-ui-new-empty-split = 
-    .label = New Split
+    .label = Split Baru
 zen-workspaces-panel-context-delete = 
     .label = Hapus Ruang
     .accesskey = D
@@ -66,6 +66,6 @@ zen-workspaces-close-all-unpinned-tabs-title =
     .label = Bersihkan
     .tooltiptext = Tutup semua tab yang tidak disematkan
 zen-panel-ui-workspaces-change-forward = 
-    .label = Next Space
+    .label = Ruang Selanjutnya
 zen-panel-ui-workspaces-change-back = 
-    .label = Previous Space
+    .label = Ruang Sebelumnya

locales/is/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = Dökkt
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nýr auður gluggi

locales/ko/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = 다크
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = 새 빈 창

locales/lt/browser/browser/preferences/zen-preferences.ftl

@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Perjungti saugyklą
 zen-devtools-toggle-dom-shortcut = Perjungti DOM
 zen-devtools-toggle-accessibility-shortcut = Perjungti prieinamumą
 zen-close-all-unpinned-tabs-shortcut = Užverti visas neprisegtas korteles
-zen-new-unsynced-window-shortcut = Naujas nesinchronizuotas langas
+zen-new-unsynced-window-shortcut = Naujas tuščias langas

locales/lt/browser/browser/zen-general.ftl

@@ -60,8 +60,8 @@ zen-site-data-settings = Nustatymai
 zen-generic-manage = Tvarkyti
 zen-generic-more = Daugiau
 zen-generic-next = Sekantis
-zen-essentials-promo-label = Add to Essentials
-zen-essentials-promo-sublabel = Keep your favorite tabs just a click away
+zen-essentials-promo-label = Įtraukti į būtiniausius
+zen-essentials-promo-sublabel = Laikykite mėgstamas korteles vos nuo vienu paspaudimu
 # These labels will be used for the site data panel settings
 zen-site-data-setting-allow = Leidžiama
 zen-site-data-setting-block = Užblokuota
@@ -109,7 +109,7 @@ zen-sidebar-notification-updated-tooltip =
 zen-sidebar-notification-restart-safe-mode-label = Kažkas sugedo?
 zen-sidebar-notification-restart-safe-mode-tooltip = 
     .title = Paleisti iš naujo saugioje režime
-zen-window-sync-migration-dialog-title = Keep Your Windows in Sync
-zen-window-sync-migration-dialog-message = Zen now syncs windows on the same device, so changes in one window are reflected across the others instantly.
-zen-window-sync-migration-dialog-learn-more = Learn More
-zen-window-sync-migration-dialog-accept = Got It
+zen-window-sync-migration-dialog-title = Išlaikykite savo langus sinchronizuotus
+zen-window-sync-migration-dialog-message = „Zen“ dabar sinchronizuoja langus tame pačiame įrenginyje, todėl viename lange atlikti pakeitimai iš karto atsispindi ir kituose.
+zen-window-sync-migration-dialog-learn-more = Sužinoti daugiau
+zen-window-sync-migration-dialog-accept = Supratau

locales/lt/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = Tamsų
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Naujas tuščias langas

locales/pt-BR/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = Escuro
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nova janela em branco

locales/pt-PT/browser/browser/zen-general.ftl

@@ -18,9 +18,9 @@ tab-context-zen-replace-pinned-url-with-current =
     .label = Substituir o URL Fixado pelo URL Atual
     .accesskey = C
 tab-context-zen-edit-title = 
-    .label = Change Label...
+    .label = Alterar etiqueta...
 tab-context-zen-edit-icon = 
-    .label = Change Icon...
+    .label = Alterar ícone...
 zen-themes-corrupted = O seu ficheiro de modificações do { -brand-short-name } está corrompido. Elas foram redefinidas como iguais às do tema padrão.
 zen-shortcuts-corrupted = O seu ficheiro de atalhos do { -brand-short-name } está corrompido. Eles foram redefinidos para os atalhos padrão.
 # note: Do not translate the "<br/>" tags in the following string
@@ -109,7 +109,7 @@ zen-sidebar-notification-updated-tooltip =
 zen-sidebar-notification-restart-safe-mode-label = Falhou alguma coisa?
 zen-sidebar-notification-restart-safe-mode-tooltip = 
     .title = Reiniciar em Modo de Segurança
-zen-window-sync-migration-dialog-title = Keep Your Windows in Sync
-zen-window-sync-migration-dialog-message = Zen now syncs windows on the same device, so changes in one window are reflected across the others instantly.
+zen-window-sync-migration-dialog-title = Mantenha As Suas Janelas Sincronizadas
+zen-window-sync-migration-dialog-message = Agora, o Zen sincroniza as janelas no dispositivo, pelo que alterações numa janela são refletidas instantaneamente nas outras.
 zen-window-sync-migration-dialog-learn-more = Learn More
-zen-window-sync-migration-dialog-accept = Got It
+zen-window-sync-migration-dialog-accept = Entendido

locales/pt-PT/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = Escuro
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nova janela sem sincronização

locales/ru/browser/browser/preferences/zen-preferences.ftl

@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Переключить хранилище
 zen-devtools-toggle-dom-shortcut = Переключить DOM
 zen-devtools-toggle-accessibility-shortcut = Включить/выключить специальные возможности
 zen-close-all-unpinned-tabs-shortcut = Закрыть все не закреплённые вкладки
-zen-new-unsynced-window-shortcut = Новое несинхронизированное окно
+zen-new-unsynced-window-shortcut = Новое пустое окно

locales/sv-SE/browser/browser/preferences/zen-preferences.ftl

@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Växla lagring
 zen-devtools-toggle-dom-shortcut = Växla DOM
 zen-devtools-toggle-accessibility-shortcut = Växla tillgänglighetsinställningar
 zen-close-all-unpinned-tabs-shortcut = Stäng alla flikar som inte är fästa
-zen-new-unsynced-window-shortcut = Nytt osynkroniserat fönster
+zen-new-unsynced-window-shortcut = Nytt tomt fönster

locales/sv-SE/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = Mörkt
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nytt tomt fönster

locales/tr/browser/browser/preferences/zen-preferences.ftl

@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Depolamayı Aç/Kapat
 zen-devtools-toggle-dom-shortcut = DOM'u Aç/Kapat
 zen-devtools-toggle-accessibility-shortcut = Erişilebilirliği Aç/Kapat
 zen-close-all-unpinned-tabs-shortcut = Sabitlenmemiş Tüm Sekmeleri Kapat
-zen-new-unsynced-window-shortcut = Senkronize Edilmemiş Yeni Pencere
+zen-new-unsynced-window-shortcut = Yeni Boş Pencere

locales/tr/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = Koyu
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Yeni Boş Pencere

locales/zh-TW/browser/browser/preferences/zen-preferences.ftl

@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = 開啟儲存空間檢測器
 zen-devtools-toggle-dom-shortcut = 開啟 DOM
 zen-devtools-toggle-accessibility-shortcut = 開啟輔助功能
 zen-close-all-unpinned-tabs-shortcut = 關閉所有未釘選的分頁
-zen-new-unsynced-window-shortcut = 開新未同步視窗
+zen-new-unsynced-window-shortcut = 開新初始視窗

locales/zh-TW/browser/browser/zen-menubar.ftl

@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
     .label = 暗色
 zen-menubar-new-unsynced-window = 
-    .label = 新的初始視窗
+    .label = 開新初始視窗

locales/zh-TW/browser/browser/zen-workspaces.ftl

@@ -49,7 +49,7 @@ zen-panel-ui-gradient-click-to-add = 點擊新增顏色
 zen-workspace-creation-name = 
     .placeholder = 工作區名稱
 zen-move-tab-to-workspace-button = 
-    .label = 移動至……
+    .label = 移動至…
     .tooltiptext = 將此視窗所有頁面移至單一工作區
 zen-workspaces-panel-context-reorder = 
     .label = 排序工作區

package-lock.json

@@ -5610,9 +5610,9 @@
       }
     },
     "node_modules/lodash": {
-      "version": "4.17.21",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
-      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+      "version": "4.17.23",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.23.tgz",
+      "integrity": "sha512-LgVTMpQtIopCi79SJeDiP0TfWi5CNEc/L/aRdTh3yIvmZXTnheWpKjSZhnvMl8iXbC1tFg9gdHHDMLoV7CnG+w==",
       "dev": true,
       "license": "MIT"
     },

prefs/privatefox/privacy.yaml

@@ -63,6 +63,10 @@
   value: false
   locked: true
 
+- name: browser.search.serpEventTelemetryCategorization.enabled
+  value: false
+  locked: true
+
 - name: browser.newtabpage.activity-stream.telemetry
   value: false
   locked: true

prefs/zen/folders.yaml

@@ -6,7 +6,7 @@
   value: true
 
 - name: zen.folders.search.hover-delay
-  value: 700 # ms
+  value: 500 # ms
 
 - name: zen.folders.max-subfolders
   value: 5

prefs/zen/gtk.yaml

@@ -4,7 +4,9 @@
 
 # GTK-specific preferences
 - name: widget.gtk.rounded-bottom-corners.enabled
-  value: true
+  # Disabled for https://github.com/zen-browser/desktop/issues/6302,
+  # also see https://bugzilla.mozilla.org/show_bug.cgi?id=1979083
+  value: false
   condition: "defined(MOZ_WIDGET_GTK)"
 
 - name: zen.widget.linux.transparency

prefs/zen/session-store.yaml

@@ -6,7 +6,7 @@
   value: true
 
 - name: zen.session-store.log
-  value: "@IS_TWILIGHT@"
+  value: true
 
 - name: zen.session-store.restore-unsynced-windows
   value: true

prefs/zen/view.yaml

@@ -54,3 +54,6 @@
 
 - name: zen.view.draggable-sidebar
   value: true
+
+- name: zen.view.overflow-webext-toolbar
+  value: "@IS_TWILIGHT@"

prefs/zen/window-sync.yaml

@@ -13,3 +13,6 @@
 
 - name: zen.window-sync.open-link-in-new-unsynced-window
   value: true
+
+- name: zen.window-sync.sync-only-pinned-tabs
+  value: false

prefs/zen/zen-urlbar.yaml

@@ -32,6 +32,9 @@
 - name: zen.urlbar.show-pip-button
   value: false
 
+- name: zen.urlbar.open-on-startup
+  value: true
+
 # Mark: Zen suggestions controls
 
 - name: zen.urlbar.suggestions.quick-actions

scripts/download_phab_patch.py

@@ -1,41 +0,0 @@
-# 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 http://mozilla.org/MPL/2.0/.
-
-import os
-import sys
-import requests
-
-BASE_URI = "https://phabricator.services.mozilla.com"
-OUTPUT_DIR = os.path.join(os.getcwd(), "src", "firefox-patches")
-
-
-def download_phab_patch(phab_id, output_file):
-  """Download a Phabricator patch by its ID and save it to output_file."""
-  patch_url = f"{BASE_URI}/{phab_id}?download=true"
-  try:
-    print(f"Downloading patch from {patch_url}")
-    response = requests.get(patch_url)
-    response.raise_for_status()  # Raise an error for bad responses
-    with open(output_file, 'wb') as f:
-      f.write(response.content)
-    print(f"Patch saved to {output_file}")
-  except requests.RequestException as e:
-    print(f"Error downloading patch: {e}")
-    sys.exit(1)
-
-
-def main():
-  if len(sys.argv) < 2:
-    print("Usage: python download_phab_patch.py <PHABRICATOR_ID> [output_file]", file=sys.stderr)
-    sys.exit(1)
-
-  phab_id = sys.argv[1]
-  output_file = sys.argv[2] if len(sys.argv) > 2 else f"phab_{phab_id}"
-  output_file = os.path.join(OUTPUT_DIR, output_file + ".patch")
-
-  download_phab_patch(phab_id, output_file)
-
-
-if __name__ == "__main__":
-  main()

scripts/import_external_tests.py

@@ -18,10 +18,18 @@ FILE_PREFIX = """
 # This file is autogenerated by scripts/import_external_tests.py
 # Do not edit manually.
 
+"""
+
+BROWSER_MANIFEST_LIST_PREFIX = """
 BROWSER_CHROME_MANIFESTS += [
 """
 
+XPCSHELL_MANIFESTS_LIST_PREFIX = """
+XPCSHELL_TESTS_MANIFESTS += [
+"""
+
 FILE_SUFFIX = "]"
+VALID_MANIFEST_FILES = ["browser.toml", "xpcshell.toml"]
 
 
 def get_tests_manifest():
@@ -38,12 +46,17 @@ def validate_tests_path(path, files, ignore_list):
   for ignore in ignore_list:
     if ignore not in files:
       die_with_error(f"Ignore file '{ignore}' not found in tests folder '{path}'")
-  if "browser.toml" not in files or "browser.js" in ignore_list:
-    die_with_error(f"'browser.toml' not found in tests folder '{path}'")
+  if not any(manifest_file in files for manifest_file in VALID_MANIFEST_FILES):
+    die_with_error(f"None of the valid manifest files {VALID_MANIFEST_FILES} found in tests folder '{path}'")
 
 
 def disable_and_replace_manifest(manifest, output_path):
-  toml_file = os.path.join(output_path, "browser.toml")
+  toml_file = None
+  for manifest_file in VALID_MANIFEST_FILES:
+    candidate = os.path.join(output_path, manifest_file)
+    if os.path.exists(candidate):
+      toml_file = candidate
+      break
   disabled_tests = manifest.get("disable", [])
   with open(toml_file, "r") as f:
     data = f.read()
@@ -90,8 +103,17 @@ def write_moz_build_file(manifest):
   print(f"Writing moz.build file to '{moz_build_path}'")
   with open(moz_build_path, "w") as f:
     f.write(FILE_PREFIX)
+    f.write(BROWSER_MANIFEST_LIST_PREFIX)
     for test_suite in manifest.keys():
-      f.write(f'\t"{test_suite}/browser.toml",\n')
+      # add for browser.toml first
+      if not manifest[test_suite].get("xpcshell", False):
+        f.write(f'\t"{test_suite}/browser.toml",\n')
+    f.write(FILE_SUFFIX)
+    f.write(XPCSHELL_MANIFESTS_LIST_PREFIX)
+    for test_suite in manifest.keys():
+      # add for xpcshell.toml
+      if manifest[test_suite].get("xpcshell", False):
+        f.write(f'\t"{test_suite}/xpcshell.toml",\n')
     f.write(FILE_SUFFIX)
 
 

scripts/recalculate-patches.sh

@@ -11,6 +11,7 @@ npm run import
 IGNORE_FILES=(
   "shared.nsh"
   "ignorePrefs.json"
+  "moz.configure"
 )
 
 # Recursively find all .patch files in the current directory and its subdirectories

scripts/run_tests.py

@@ -56,7 +56,7 @@ def main():
   os.chdir(engine_dir)
 
   def run_mach_with_paths(test_paths):
-    command = ['./mach', 'mochitest'] + other_args + test_paths
+    command = ['./mach', 'test'] + other_args + test_paths
     # Replace the current process with the mach command
     os.execvp(command[0], command)
 

scripts/update_external_patches.py

@@ -0,0 +1,99 @@
+# 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 http://mozilla.org/MPL/2.0/.
+
+import os
+import sys
+import json
+import requests
+from json_with_comments import JSONWithCommentsDecoder
+
+BASE_URI = "https://phabricator.services.mozilla.com"
+OUTPUT_DIR = os.path.join(os.getcwd(), "src", "external-patches")
+
+
+def die(message):
+  print(f"Error: {message}")
+  sys.exit(1)
+
+
+def download_phab_patch(phab_id, output_file):
+  """Download a Phabricator patch by its ID and save it to output_file."""
+  patch_url = f"{BASE_URI}/{phab_id}?download=true"
+  try:
+    print(f"Downloading patch from {patch_url}")
+    response = requests.get(patch_url)
+    response.raise_for_status()  # Raise an error for bad responses
+    with open(output_file, 'wb') as f:
+      f.write(response.content)
+    print(f"Patch saved to {output_file}")
+  except requests.RequestException as e:
+    die(f"Failed to download patch {phab_id}: {e}")
+
+
+def download_patch_from_url(url, output_file):
+  """Download a patch from a given URL and save it to output_file."""
+  try:
+    print(f"Downloading patch from {url}")
+    response = requests.get(url)
+    response.raise_for_status()  # Raise an error for bad responses
+    with open(output_file, 'wb') as f:
+      f.write(response.content)
+    print(f"Patch saved to {output_file}")
+  except requests.RequestException as e:
+    die(f"Failed to download patch from {url}: {e}")
+
+
+def main():
+  with open(os.path.join(OUTPUT_DIR, "manifest.json"), 'r') as f:
+    manifest = json.load(f, cls=JSONWithCommentsDecoder)
+
+  expected_files = set()
+  for patch in manifest:
+    if patch.get("type") == "phabricator":
+      phab_id = patch.get("id")
+      name = patch.get("name")
+      if not phab_id or not name:
+        die(f"Patch entry missing 'id' or 'name': {patch}")
+      name = name.replace(" ", "_").lower()
+      output_file = os.path.join(OUTPUT_DIR, "firefox", f"{name}.patch")
+      print(f"Processing Phabricator patch: {phab_id} -> {output_file}")
+      download_phab_patch(phab_id, output_file)
+      expected_files.add(output_file)
+    elif patch.get("type") == "local":
+      print(f"Local patch: {patch.get('path')}")
+      expected_files.add(os.path.join(OUTPUT_DIR, patch.get("path")))
+    elif patch.get("type") == "patch":
+      url = patch.get("url")
+      dest = patch.get("dest")
+      if not url or not dest:
+        die(f"Patch entry missing 'url' or 'dest': {patch}")
+      filename = url.split("/")[-1]
+      output_file = os.path.join(OUTPUT_DIR, dest, filename)
+      download_patch_from_url(url, output_file)
+      replaces = patch.get("replaces", {})
+      for replace in replaces.keys():
+        value = replaces[replace]
+        with open(output_file, 'r') as f:
+          content = f.read()
+        if replace not in content:
+          die(f"Replace string '{replace}' not found in {output_file}")
+        with open(output_file, 'w') as f:
+          f.write(content.replace(replace, value))
+      expected_files.add(output_file)
+    else:
+      die(f"Unknown patch type: {patch.get('type')}")
+
+  # Check for unexpected files in the output directory
+  # and remove them if they are not in the expected_files set.
+  for root, dirs, files in os.walk(OUTPUT_DIR):
+    for file in files:
+      if file.endswith(".patch"):
+        file_path = os.path.join(root, file)
+        if file_path not in expected_files:
+          print(f"Removing unexpected patch file: {file_path}")
+          os.remove(file_path)
+
+
+if __name__ == "__main__":
+  main()

src/Cargo-lock.patch

@@ -1,5 +1,5 @@
 diff --git a/Cargo.lock b/Cargo.lock
-index 723445447f491058784992e66245e0e0f8e61e19..02816c1df3e20d96ce68f16970b8a6e38080533e 100644
+index abc04e6a8e1e68fa71c6de0375f8e953e6369d8b..7bdfb41e255fc12065de064162e9bf9e15d7ff12 100644
 --- a/Cargo.lock
 +++ b/Cargo.lock
 @@ -4214,8 +4214,6 @@ dependencies = [

src/Cargo-toml.patch

@@ -1,13 +1,13 @@
 diff --git a/Cargo.toml b/Cargo.toml
-index 35e725043bce0b39fea550e8fb2b0ae1ff752e43..abac2042d537fcc1ce26e0e3acbf98fc2975b793 100644
+index ab9eda43302a6281e59a2738170e77bb0f0b1b90..3389f1c744b56e3a6a4eb3f05b0601bed4538fa1 100644
 --- a/Cargo.toml
 +++ b/Cargo.toml
-@@ -237,6 +237,8 @@ moz_asserts = { path = "mozglue/static/rust/moz_asserts" }
+@@ -240,6 +240,8 @@ moz_asserts = { path = "mozglue/static/rust/moz_asserts" }
  # Workaround for https://github.com/rust-lang/cargo/issues/11232
  rure = { path = "third_party/rust/rure" }
  
 +mime_guess = { path = "third_party/rust/mime_guess" }
 +
- # Patch `unicode-width` 0.1.* to 0.2.
- unicode-width = { path = "build/rust/unicode-width" }
- 
+ # To-be-published changes.
+ unicode-bidi = { git = "https://github.com/servo/unicode-bidi", rev = "ca612daf1c08c53abe07327cb3e6ef6e0a760f0c" }
+ nss-gk-api = { git = "https://github.com/beurdouche/nss-gk-api", rev = "e48a946811ffd64abc78de3ee284957d8d1c0d63" }

src/browser/base/content/browser-init-js.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/base/content/browser-init.js b/browser/base/content/browser-init.js
-index 288a79e5fb4da24cffcb30fb4b8adc9604b15d26..bf9bd3e666dfb6298dbeec0546cae223a7bc68f0 100644
+index 0186e3a6508fc8e40f93619d8b3e5a0c003cbd4a..1f4fa115e591cfbe3e23d4ce880be66277a50a26 100644
 --- a/browser/base/content/browser-init.js
 +++ b/browser/base/content/browser-init.js
-@@ -200,6 +200,7 @@ var gBrowserInit = {
+@@ -243,6 +243,7 @@ var gBrowserInit = {
    },
  
    onLoad() {
@@ -10,7 +10,7 @@ index 288a79e5fb4da24cffcb30fb4b8adc9604b15d26..bf9bd3e666dfb6298dbeec0546cae223
      gBrowser.addEventListener("DOMUpdateBlockedPopups", e =>
        PopupAndRedirectBlockerObserver.handleEvent(e)
      );
-@@ -375,6 +376,7 @@ var gBrowserInit = {
+@@ -433,6 +434,7 @@ var gBrowserInit = {
  
      this._handleURIToLoad();
  

src/browser/base/content/browser-js.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
-index 16cf3e201358d24c9216f9b06b0ba3b89684d32a..2cfa507bbdc96b8a293b18595d0beae031fe6119 100644
+index e2e0526a0ddd617291f1f6c17bcfb807954b481f..c3d2afff6eaa788309d1c1a7fa40f9b8b4f0fffe 100644
 --- a/browser/base/content/browser.js
 +++ b/browser/base/content/browser.js
 @@ -33,6 +33,7 @@ ChromeUtils.defineESModuleGetters(this, {
@@ -10,7 +10,7 @@ index 16cf3e201358d24c9216f9b06b0ba3b89684d32a..2cfa507bbdc96b8a293b18595d0beae0
    DevToolsSocketStatus:
      "resource://devtools/shared/security/DevToolsSocketStatus.sys.mjs",
    DownloadUtils: "resource://gre/modules/DownloadUtils.sys.mjs",
-@@ -819,7 +820,12 @@ function UpdateBackForwardCommands(aWebNavigation) {
+@@ -814,7 +815,12 @@ function UpdateBackForwardCommands(aWebNavigation) {
  
    var backDisabled = backCommand.hasAttribute("disabled");
    var forwardDisabled = forwardCommand.hasAttribute("disabled");
@@ -24,7 +24,7 @@ index 16cf3e201358d24c9216f9b06b0ba3b89684d32a..2cfa507bbdc96b8a293b18595d0beae0
      if (backDisabled) {
        backCommand.removeAttribute("disabled");
      } else {
-@@ -2305,6 +2311,8 @@ var XULBrowserWindow = {
+@@ -2301,6 +2307,8 @@ var XULBrowserWindow = {
      AboutReaderParent.updateReaderButton(gBrowser.selectedBrowser);
      TranslationsParent.onLocationChange(gBrowser.selectedBrowser);
  
@@ -33,7 +33,7 @@ index 16cf3e201358d24c9216f9b06b0ba3b89684d32a..2cfa507bbdc96b8a293b18595d0beae0
      PictureInPicture.updateUrlbarToggle(gBrowser.selectedBrowser);
  
      if (!gMultiProcessBrowser) {
-@@ -3818,7 +3826,7 @@ function warnAboutClosingWindow() {
+@@ -3821,7 +3829,7 @@ function warnAboutClosingWindow() {
  
    if (!isPBWindow && !toolbar.visible) {
      return gBrowser.warnAboutClosingTabs(
@@ -42,7 +42,7 @@ index 16cf3e201358d24c9216f9b06b0ba3b89684d32a..2cfa507bbdc96b8a293b18595d0beae0
        gBrowser.closingTabsEnum.ALL
      );
    }
-@@ -3858,7 +3866,7 @@ function warnAboutClosingWindow() {
+@@ -3861,7 +3869,7 @@ function warnAboutClosingWindow() {
      return (
        isPBWindow ||
        gBrowser.warnAboutClosingTabs(
@@ -51,7 +51,7 @@ index 16cf3e201358d24c9216f9b06b0ba3b89684d32a..2cfa507bbdc96b8a293b18595d0beae0
          gBrowser.closingTabsEnum.ALL
        )
      );
-@@ -3883,7 +3891,7 @@ function warnAboutClosingWindow() {
+@@ -3886,7 +3894,7 @@ function warnAboutClosingWindow() {
      AppConstants.platform != "macosx" ||
      isPBWindow ||
      gBrowser.warnAboutClosingTabs(
@@ -60,7 +60,7 @@ index 16cf3e201358d24c9216f9b06b0ba3b89684d32a..2cfa507bbdc96b8a293b18595d0beae0
        gBrowser.closingTabsEnum.ALL
      )
    );
-@@ -4806,6 +4814,9 @@ var ConfirmationHint = {
+@@ -4809,6 +4817,9 @@ var ConfirmationHint = {
      MozXULElement.insertFTLIfNeeded("toolkit/branding/brandings.ftl");
      MozXULElement.insertFTLIfNeeded("browser/confirmationHints.ftl");
      document.l10n.setAttributes(this._message, messageId, options.l10nArgs);

src/browser/base/content/browser-sets-inc.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/base/content/browser-sets.inc b/browser/base/content/browser-sets.inc
-index 139f7c2617f5e4843e0072435818c859def2f6bb..6ac1467b4117e2d76102d6977f13268827b4588f 100644
+index df768aaa77a6986260da5052ed14c8403d48de6b..a30e3a2784a6215c959d23802b5c2c966f89ca10 100644
 --- a/browser/base/content/browser-sets.inc
 +++ b/browser/base/content/browser-sets.inc
-@@ -413,3 +413,4 @@
+@@ -414,3 +414,4 @@
           internal="true"/>
  #endif
    </keyset>

src/browser/base/content/browser-sets-js.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/base/content/browser-sets.js b/browser/base/content/browser-sets.js
-index 94a05a510204c027e482fda33deaf3dc0d7471c9..79d37a7c7f29739d3ad2d9f6a3b3b8d638836b10 100644
+index 50845ebd925955bf9646fc499b9828eccbf266ef..5482a24576ebcd4382409cae01a4c6bcbd88a96c 100644
 --- a/browser/base/content/browser-sets.js
 +++ b/browser/base/content/browser-sets.js
-@@ -266,7 +266,7 @@ document.addEventListener(
+@@ -270,7 +270,7 @@ document.addEventListener(
          }
        });
  
@@ -11,3 +11,12 @@ index 94a05a510204c027e482fda33deaf3dc0d7471c9..79d37a7c7f29739d3ad2d9f6a3b3b8d6
        const SIDEBAR_REVAMP_PREF = "sidebar.revamp";
        const SIDEBAR_REVAMP_ENABLED = Services.prefs.getBoolPref(
          SIDEBAR_REVAMP_PREF,
+@@ -308,6 +308,8 @@ document.addEventListener(
+               panel: SidebarController.currentID,
+               opened: SidebarController._state.launcherExpanded,
+             });
++          } else {
++            SidebarController.toggle();
+           }
+           break;
+         case "key_gotoHistory":

src/browser/base/content/browser-siteIdentity-js.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/base/content/browser-siteIdentity.js b/browser/base/content/browser-siteIdentity.js
-index 8369e546866aa313e62f808acb8d51afa8da4f9b..7a4b20dd5922425cebfac542893a52cd68a26449 100644
+index 6d2052e060896bb5e91ba84c15bf14c969340935..6ceef1806e2d88cd7e2ebc867d633e9148f3b298 100644
 --- a/browser/base/content/browser-siteIdentity.js
 +++ b/browser/base/content/browser-siteIdentity.js
-@@ -451,11 +451,6 @@ var gIdentityHandler = {
+@@ -464,11 +464,6 @@ var gIdentityHandler = {
      // avoid a pretty ugly transition. Also hide it even
      // if the update resulted in no site data, to keep the
      // illusion that clicking the button had an effect.
@@ -14,7 +14,7 @@ index 8369e546866aa313e62f808acb8d51afa8da4f9b..7a4b20dd5922425cebfac542893a52cd
  
      let baseDomain = SiteDataManager.getBaseDomainFromHost(this._uri.host);
      if (SiteDataManager.promptSiteDataRemoval(window, [baseDomain])) {
-@@ -832,7 +827,7 @@ var gIdentityHandler = {
+@@ -847,7 +842,7 @@ var gIdentityHandler = {
        // This is a secure internal Firefox page.
        this._identityBox.className = "chromeUI";
        let brandBundle = document.getElementById("bundle_brand");
@@ -23,7 +23,7 @@ index 8369e546866aa313e62f808acb8d51afa8da4f9b..7a4b20dd5922425cebfac542893a52cd
      } else if (this._pageExtensionPolicy) {
        // This is a WebExtension page.
        this._identityBox.className = "extensionPage";
-@@ -1161,6 +1156,12 @@ var gIdentityHandler = {
+@@ -1190,6 +1185,12 @@ var gIdentityHandler = {
        }
      }
  

src/browser/base/content/browser-xhtml.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/browser.xhtml b/browser/base/content/browser.xhtml
-index ac82dcd286b5502d1ba38ed740813db08941eb7b..c26b3f0468ee6acd7716d4e8a24ad8cc84fce186 100644
+index 832d98f911e0bd0e231421332a521bfefea72ef8..a9955256c81b252fe0527ae5857c9283e2518274 100644
 --- a/browser/base/content/browser.xhtml
 +++ b/browser/base/content/browser.xhtml
 @@ -19,6 +19,7 @@
@@ -10,7 +10,7 @@ index ac82dcd286b5502d1ba38ed740813db08941eb7b..c26b3f0468ee6acd7716d4e8a24ad8cc
          persist="screenX screenY width height sizemode"
          data-l10n-sync="true">
  <head>
-@@ -99,8 +100,10 @@
+@@ -100,8 +101,10 @@
  
    <title data-l10n-id="browser-main-window-default-title"></title>
  
@@ -21,7 +21,7 @@ index ac82dcd286b5502d1ba38ed740813db08941eb7b..c26b3f0468ee6acd7716d4e8a24ad8cc
  </head>
  <html:body xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  # All sets except for popupsets (commands, keys, and stringbundles)
-@@ -133,9 +136,11 @@
+@@ -134,9 +137,11 @@
      </vbox>
    </html:template>
  

src/browser/base/content/main-popupset-inc-xhtml.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/base/content/main-popupset.inc.xhtml b/browser/base/content/main-popupset.inc.xhtml
-index 79b604c5965ba03762acbf085c9288c73001ec24..d75d5481e5de93c592850e39d4b0b4fd07e12678 100644
+index 0d73eb17b340001312a885ea10f5d6ad871f14d2..475824a0f9a4bbc15dc9bc7f1d2a09a51e58bc65 100644
 --- a/browser/base/content/main-popupset.inc.xhtml
 +++ b/browser/base/content/main-popupset.inc.xhtml
-@@ -226,6 +226,10 @@
+@@ -234,6 +234,10 @@
             hidden="true"
             tabspecific="true"
             aria-labelledby="editBookmarkPanelTitle">
@@ -13,7 +13,7 @@ index 79b604c5965ba03762acbf085c9288c73001ec24..d75d5481e5de93c592850e39d4b0b4fd
        <box class="panel-header">
          <html:h1>
            <html:span id="editBookmarkPanelTitle"/>
-@@ -251,6 +255,7 @@
+@@ -259,6 +263,7 @@
                    class="footer-button"/>
          </html:moz-button-group>
        </vbox>
@@ -21,7 +21,7 @@ index 79b604c5965ba03762acbf085c9288c73001ec24..d75d5481e5de93c592850e39d4b0b4fd
      </panel>
    </html:template>
  
-@@ -656,6 +661,8 @@
+@@ -678,6 +683,8 @@
  
  #include popup-notifications.inc.xhtml
  

src/browser/base/content/navigator-toolbox-inc-xhtml.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/navigator-toolbox.inc.xhtml b/browser/base/content/navigator-toolbox.inc.xhtml
-index 68c24f730d56f548cf1e286198a04f8363529378..71418c93ce7216d71412f2fa67295322bb73abad 100644
+index 4d4223c508560136aba220adb18528aac913a188..7e7432f7adb761a598d3e3e5ca4c6385a3bfe223 100644
 --- a/browser/base/content/navigator-toolbox.inc.xhtml
 +++ b/browser/base/content/navigator-toolbox.inc.xhtml
 @@ -2,7 +2,7 @@
@@ -11,27 +11,28 @@ index 68c24f730d56f548cf1e286198a04f8363529378..71418c93ce7216d71412f2fa67295322
    <script src="chrome://browser/content/navigator-toolbox.js" />
  
    <!-- Menu -->
-@@ -18,9 +18,8 @@
+@@ -18,9 +18,9 @@
  #include browser-menubar.inc
      </toolbaritem>
      <spacer flex="1" skipintoolbarset="true" style="order: 1000;"/>
 -#include titlebar-items.inc.xhtml
    </toolbar>
--
+ 
 +<hbox id="titlebar">
    <toolbar id="TabsToolbar"
             class="browser-toolbar browser-titlebar"
             fullscreentoolbar="true"
-@@ -62,6 +61,8 @@
+@@ -62,6 +62,9 @@
            <html:sidebar-pins-promo id="drag-to-pin-promo-card"></html:sidebar-pins-promo>
            <arrowscrollbox id="pinned-tabs-container" orient="horizontal" clicktoscroll=""></arrowscrollbox>
            <splitter orient="vertical" id="vertical-pinned-tabs-splitter" resizebefore="sibling" resizeafter="none" hidden="true"/>
++<html:div id="zen-overflow-extensions-list" skipintoolbarset="true"></html:div>
 +<html:div id="zen-essentials" skipintoolbarset="true"></html:div>
 +<html:div id="zen-tabs-wrapper">
            <hbox class="tab-drop-indicator" hidden="true"/>
            <arrowscrollbox id="tabbrowser-arrowscrollbox" orient="horizontal" flex="1" clicktoscroll="" scrolledtostart="" scrolledtoend="">
              <tab is="tabbrowser-tab" class="tabbrowser-tab" selected="true" visuallyselected="" fadein=""/>
-@@ -81,6 +82,7 @@
+@@ -81,6 +84,7 @@
                                tooltip="dynamic-shortcut-tooltip"
                                data-l10n-id="tabs-toolbar-new-tab"/>
            <html:span id="tabbrowser-tab-a11y-desc" hidden="true"/>
@@ -39,8 +40,8 @@ index 68c24f730d56f548cf1e286198a04f8363529378..71418c93ce7216d71412f2fa67295322
          </tabs>
  
          <toolbarbutton id="new-tab-button"
-@@ -106,9 +108,10 @@
- #include private-browsing-indicator.inc.xhtml
+@@ -114,9 +118,10 @@
+ 
      <toolbarbutton class="content-analysis-indicator toolbarbutton-1 content-analysis-indicator-icon"/>
  
 -#include titlebar-items.inc.xhtml

src/browser/base/content/nsContextMenu-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/nsContextMenu.sys.mjs b/browser/base/content/nsContextMenu.sys.mjs
-index d9fbd3a9a78c993c89efa75be9e2ffc975158aba..e64382b32580c2d113774e76e3587002ce0aebad 100644
+index 90c8d48fa992ca5ac125fa2998741db79264de4a..a598431671e42b9ede23b0595790564202408a8e 100644
 --- a/browser/base/content/nsContextMenu.sys.mjs
 +++ b/browser/base/content/nsContextMenu.sys.mjs
 @@ -371,6 +371,9 @@ export class nsContextMenu {

src/browser/base/content/zen-assets.inc.xhtml

@@ -51,3 +51,4 @@
 <script type="module" src="chrome://browser/content/zen-components/ZenFolders.mjs"></script>
 <script type="module" src="chrome://browser/content/zen-components/ZenDownloadAnimation.mjs"></script>
 <script type="module" src="chrome://browser/content/zen-components/ZenEmojiPicker.mjs"></script>
+<script type="module" src="chrome://browser/content/zen-components/ZenLiveFoldersUI.mjs"></script>

src/browser/base/content/zen-assets.jar.inc.mn

@@ -18,3 +18,4 @@
 #include ../../../zen/images/jar.inc.mn
 #include ../../../zen/vendor/jar.inc.mn
 #include ../../../zen/fonts/jar.inc.mn
+#include ../../../zen/live-folders/jar.inc.mn

src/browser/base/content/zen-commands.inc.xhtml

@@ -63,4 +63,6 @@
   <command id="cmd_zenCloseUnpinnedTabs" />
 
   <command id="cmd_zenNewNavigatorUnsynced" />
+
+  <command id="cmd_zenNewLiveFolder" />
 </commandset>

src/browser/base/content/zen-locales.inc.xhtml

@@ -9,4 +9,5 @@
 <link rel="localization" href="browser/zen-menubar.ftl"/>
 <link rel="localization" href="browser/zen-vertical-tabs.ftl"/>
 <link rel="localization" href="browser/zen-folders.ftl"/>
+<link rel="localization" href="browser/zen-live-folders.ftl"/>
 </linkset>

src/browser/base/content/zen-panels/folders-search.inc

@@ -2,7 +2,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-<panel id="zen-folder-tabs-popup" type="arrow" orient="vertical">
+<panel id="zen-folder-tabs-popup" type="arrow" orient="vertical" side="left">
   <hbox class="tabs-list-header" flex="1">
     <image class="zen-folder-tabs-list-search-icon" src="chrome://global/skin/icons/search-glass.svg"/>
     <html:input id="zen-folder-tabs-list-search" 

src/browser/base/content/zen-panels/popups.inc

@@ -3,6 +3,23 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 <menupopup id="zenCreateNewPopup">
+  <menu data-l10n-id="zen-panel-ui-live-folder-create" id="zen-panel-ui-live-folder-create">
+    <menupopup>
+      <menuitem
+        data-l10n-id="zen-live-folder-github-pull-requests"
+        command="cmd_zenNewLiveFolder"
+        image="chrome://browser/content/zen-images/favicons/github.svg" />
+      <menuitem
+        data-l10n-id="zen-live-folder-github-issues"
+        command="cmd_zenNewLiveFolder"
+        image="chrome://browser/content/zen-images/favicons/github.svg" />
+      <menuitem
+        data-l10n-id="zen-live-folder-type-rss"
+        command="cmd_zenNewLiveFolder"
+        image="chrome://browser/skin/zen-icons/selectable/logo-rss.svg"/>
+    </menupopup>
+  </menu>
+  <menuseparator/>
   <menuitem data-l10n-id="zen-panel-ui-workspaces-create" command="cmd_zenOpenWorkspaceCreation" image="chrome://browser/skin/zen-icons/duplicate-tab.svg" />
   <menuitem data-l10n-id="zen-panel-ui-folder-create" command="cmd_zenOpenFolderCreation" image="chrome://browser/skin/zen-icons/folder.svg" />
   <menuseparator/>
@@ -35,6 +52,12 @@
 </menupopup>
 
 <menupopup id="zenFolderActions">
+  <menu id="context_zenLiveFolderOptions"
+    data-l10n-id="zen-live-folder-options"
+    hidden="true">
+    <menupopup />
+  </menu>
+  <menuseparator id="live-folder-separator" hidden="true"/>
   <menuitem id="context_zenFolderRename" data-l10n-id="zen-folders-panel-rename-folder"/>
   <menuitem id="context_zenFolderChangeIcon" data-l10n-id="tab-context-zen-edit-icon"/>
   <menuseparator />

src/browser/components/BrowserContentHandler-sys-mjs.patch

@@ -0,0 +1,41 @@
+diff --git a/browser/components/BrowserContentHandler.sys.mjs b/browser/components/BrowserContentHandler.sys.mjs
+index 2152327b42c884456785ef065422e3ca6cc8c50b..932150495d23c0a63987abf14b3dc8a12eb42d6c 100644
+--- a/browser/components/BrowserContentHandler.sys.mjs
++++ b/browser/components/BrowserContentHandler.sys.mjs
+@@ -603,6 +603,28 @@ nsBrowserContentHandler.prototype = {
+       }
+     }
+ 
++    try {
++      let blankWindowParam = cmdLine.handleFlagWithParam("blank-window", false);
++      if (blankWindowParam !== null) {
++        let { uri, principal } = resolveURIInternal(cmdLine, blankWindowParam);
++        if (shouldLoadURI(uri)) {
++          let win = openBrowserWindow(cmdLine, principal, uri.spec);
++          win._zenStartupSyncFlag = 'unsynced';
++          cmdLine.preventDefault = true;
++        }
++      }
++    } catch (e) {
++      if (e.result != Cr.NS_ERROR_INVALID_ARG) {
++        throw e;
++      }
++      if (cmdLine.handleFlag("blank-window", false)) {
++        let win = openBrowserWindow(cmdLine, null, null);
++        win._zenStartupSyncFlag = 'unsynced';
++        cmdLine.preventDefault = true;
++      }
++    }
++
++
+     var searchParam = cmdLine.handleFlagWithParam("search", false);
+     if (searchParam) {
+       doSearch(searchParam, cmdLine);
+@@ -672,6 +694,7 @@ nsBrowserContentHandler.prototype = {
+       "  --new-window <url> Open <url> in a new window.\n" +
+       "  --new-tab <url>    Open <url> in a new tab.\n" +
+       "  --private-window [<url>] Open <url> in a new private window.\n";
++    info += "  --blank-window [<url>]  Open the new blank window.\n";
+     if (AppConstants.platform == "win") {
+       info += "  --preferences      Open Options dialog.\n";
+     } else {

src/browser/components/BrowserGlue-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/BrowserGlue.sys.mjs b/browser/components/BrowserGlue.sys.mjs
-index 8acc1e5a97f769dc76d30ca0534f28b0a4511ab5..bd54169f976d3abe7d122b0efc0fa0d0626179eb 100644
+index 33a0f6b7e5cfe087388483fefa55b927e3e3f4a3..65135c6904b5e9523f77689dfc572aefe11b0961 100644
 --- a/browser/components/BrowserGlue.sys.mjs
 +++ b/browser/components/BrowserGlue.sys.mjs
 @@ -8,6 +8,7 @@ import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
@@ -10,7 +10,7 @@ index 8acc1e5a97f769dc76d30ca0534f28b0a4511ab5..bd54169f976d3abe7d122b0efc0fa0d0
    AboutHomeStartupCache: "resource:///modules/AboutHomeStartupCache.sys.mjs",
    AWToolbarButton: "resource:///modules/aboutwelcome/AWToolbarUtils.sys.mjs",
    ASRouter: "resource:///modules/asrouter/ASRouter.sys.mjs",
-@@ -1452,7 +1453,7 @@ BrowserGlue.prototype = {
+@@ -1455,7 +1456,7 @@ BrowserGlue.prototype = {
        windowcount++;
        let tabbrowser = win.gBrowser;
        if (tabbrowser) {
@@ -19,7 +19,7 @@ index 8acc1e5a97f769dc76d30ca0534f28b0a4511ab5..bd54169f976d3abe7d122b0efc0fa0d0
        }
      }
  
-@@ -1617,6 +1618,8 @@ BrowserGlue.prototype = {
+@@ -1620,6 +1621,8 @@ BrowserGlue.prototype = {
      } else if (profileDataVersion < APP_DATA_VERSION) {
        lazy.ProfileDataUpgrader.upgrade(profileDataVersion, APP_DATA_VERSION);
      }

src/browser/components/controlcenter/content/identityPanel-inc-xhtml.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/controlcenter/content/identityPanel.inc.xhtml b/browser/components/controlcenter/content/identityPanel.inc.xhtml
-index 8e23aad8ca0bb686a669b11e1d78b7906f5f38d0..cf4873cc6165b5f77091c056d7e275e0f3d36769 100644
+index d7f214f471f70de3805e0f5b3b2d77f49a06c4f1..555b55089368e1782cf0266415fb3040b269d3a5 100644
 --- a/browser/components/controlcenter/content/identityPanel.inc.xhtml
 +++ b/browser/components/controlcenter/content/identityPanel.inc.xhtml
 @@ -28,7 +28,7 @@

src/browser/components/customizableui/CustomizableUI-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/customizableui/CustomizableUI.sys.mjs b/browser/components/customizableui/CustomizableUI.sys.mjs
-index 9a98f56d83ee38e0f1aa41467b4ddf215c3d90f7..39e947ce083ce3b293337f5dbb40cd0b46db12e2 100644
+index 9a98f56d83ee38e0f1aa41467b4ddf215c3d90f7..c50781a1e8fd1a71baf497ba64d85292fa1347f4 100644
 --- a/browser/components/customizableui/CustomizableUI.sys.mjs
 +++ b/browser/components/customizableui/CustomizableUI.sys.mjs
 @@ -14,6 +14,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
@@ -153,7 +153,17 @@ index 9a98f56d83ee38e0f1aa41467b4ddf215c3d90f7..39e947ce083ce3b293337f5dbb40cd0b
    /**
     * Add a widget to an area.
     * If the area to which you try to add is not known to CustomizableUI,
-@@ -7858,7 +7858,7 @@ class OverflowableToolbar {
+@@ -7798,7 +7798,9 @@ class OverflowableToolbar {
+         );
+ 
+         if (webExtList && CustomizableUI.isWebExtensionWidget(child.id)) {
++          if (webExtList.id !== "zen-overflow-extensions-list") {
+           child.setAttribute("cui-anchorid", webExtButtonID);
++          }
+           webExtList.insertBefore(child, webExtList.firstElementChild);
+         } else {
+           child.setAttribute("cui-anchorid", this.#defaultListButton.id);
+@@ -7858,7 +7860,7 @@ class OverflowableToolbar {
          ) {
            continue;
          }
@@ -162,7 +172,7 @@ index 9a98f56d83ee38e0f1aa41467b4ddf215c3d90f7..39e947ce083ce3b293337f5dbb40cd0b
          if (child != aExceptChild) {
            sum += getInlineSize(child);
          }
-@@ -7882,11 +7882,11 @@ class OverflowableToolbar {
+@@ -7882,11 +7884,11 @@ class OverflowableToolbar {
          parseFloat(style.paddingLeft) -
          parseFloat(style.paddingRight) -
          toolbarChildrenWidth;
@@ -176,7 +186,7 @@ index 9a98f56d83ee38e0f1aa41467b4ddf215c3d90f7..39e947ce083ce3b293337f5dbb40cd0b
      });
  
      lazy.log.debug(
-@@ -7901,7 +7901,14 @@ class OverflowableToolbar {
+@@ -7901,7 +7903,14 @@ class OverflowableToolbar {
        Math.max(targetWidth, targetChildrenWidth)
      );
      totalAvailWidth = Math.ceil(totalAvailWidth);
@@ -192,7 +202,7 @@ index 9a98f56d83ee38e0f1aa41467b4ddf215c3d90f7..39e947ce083ce3b293337f5dbb40cd0b
      return { isOverflowing, targetContentWidth, totalAvailWidth };
    }
  
-@@ -7962,7 +7969,11 @@ class OverflowableToolbar {
+@@ -7962,7 +7971,11 @@ class OverflowableToolbar {
              return;
            }
          }
@@ -205,7 +215,7 @@ index 9a98f56d83ee38e0f1aa41467b4ddf215c3d90f7..39e947ce083ce3b293337f5dbb40cd0b
            lazy.log.debug(
              `Need ${minSize} but width is ${totalAvailWidth} so bailing`
            );
-@@ -7995,7 +8006,7 @@ class OverflowableToolbar {
+@@ -7995,7 +8008,7 @@ class OverflowableToolbar {
          }
        }
        if (!inserted) {
@@ -214,7 +224,27 @@ index 9a98f56d83ee38e0f1aa41467b4ddf215c3d90f7..39e947ce083ce3b293337f5dbb40cd0b
        }
        child.removeAttribute("cui-anchorid");
        child.removeAttribute("overflowedItem");
-@@ -8340,7 +8351,7 @@ class OverflowableToolbar {
+@@ -8121,6 +8134,9 @@ class OverflowableToolbar {
+    *   if no such list exists.
+    */
+   get #webExtList() {
++    if (this.#toolbar.getAttribute("addon-webext-overflowtarget") !== this.#webExtListRef?.id) {
++      this.#webExtListRef = null;
++    }
+     if (!this.#webExtListRef) {
+       let targetID = this.#toolbar.getAttribute("addon-webext-overflowtarget");
+       if (!targetID) {
+@@ -8132,6 +8148,9 @@ class OverflowableToolbar {
+       let win = this.#toolbar.ownerGlobal;
+       let { panel } = win.gUnifiedExtensions;
+       this.#webExtListRef = panel.querySelector(`#${targetID}`);
++      if (!this.#webExtListRef) {
++        this.#webExtListRef = win.document.getElementById(targetID);
++      }
+     }
+     return this.#webExtListRef;
+   }
+@@ -8340,7 +8359,7 @@ class OverflowableToolbar {
          break;
        }
        case "mousedown": {

src/browser/components/customizableui/content/panelUI-js.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/components/customizableui/content/panelUI.js b/browser/components/customizableui/content/panelUI.js
-index d016811caa6c1ecc947fd705f6e1b27e3b5a12a5..89f2a9ec9ebd80e744ed0118e1b3c164151cf2b8 100644
+index 1c696a11d831ea25b4b01689e9b23bda8a754900..fed5576c05aeffd87022565580ce085cb81fe70c 100644
 --- a/browser/components/customizableui/content/panelUI.js
 +++ b/browser/components/customizableui/content/panelUI.js
-@@ -619,10 +619,12 @@ const PanelUI = {
+@@ -627,10 +627,12 @@ const PanelUI = {
      if (hasKids && !this.navbar.hasAttribute("nonemptyoverflow")) {
        this.navbar.setAttribute("nonemptyoverflow", "true");
        this.overflowPanel.setAttribute("hasfixeditems", "true");
@@ -15,7 +15,7 @@ index d016811caa6c1ecc947fd705f6e1b27e3b5a12a5..89f2a9ec9ebd80e744ed0118e1b3c164
      }
    },
  
-@@ -970,7 +972,7 @@ const PanelUI = {
+@@ -978,7 +980,7 @@ const PanelUI = {
          el.removeAttribute("data-lazy-l10n-id");
        });
  

src/browser/components/extensions/parent/ext-tabs-js.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/extensions/parent/ext-tabs.js b/browser/components/extensions/parent/ext-tabs.js
-index bff93996b42aa1f88f1bfcbd813c3af4a5806f13..1252727b4811248e138cf7a38f8d1fd422576d28 100644
+index 7e32fc3f3c325b7317533acf5142bb912556fdbe..04bbe6bece881a05d2eadf81411bd4df2b745017 100644
 --- a/browser/components/extensions/parent/ext-tabs.js
 +++ b/browser/components/extensions/parent/ext-tabs.js
 @@ -501,6 +501,7 @@ this.tabs = class extends ExtensionAPIPersistent {

src/browser/components/preferences/jar-mn.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/components/preferences/jar.mn b/browser/components/preferences/jar.mn
-index 5e53352fdbd25d2aed40d0117c3ad7072b9acf8c..0f400864ba7cc850d212ddeeefb71a06376e845f 100644
+index f06aaedc681cac4dc26d8e168d47991098477424..db2e81338793f99d9f034555abb1f6ef28bb1ae9 100644
 --- a/browser/components/preferences/jar.mn
 +++ b/browser/components/preferences/jar.mn
-@@ -42,3 +42,5 @@ browser.jar:
+@@ -46,3 +46,5 @@ browser.jar:
     content/browser/preferences/widgets/sync-device-name.mjs          (widgets/sync-device-name/sync-device-name.mjs)
     content/browser/preferences/widgets/sync-engines-list.mjs          (widgets/sync-engine-list/sync-engines-list.mjs)
     content/browser/preferences/widgets/sync-engines-list.css          (widgets/sync-engine-list/sync-engines-list.css)

src/browser/components/preferences/main-inc-xhtml.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/components/preferences/main.inc.xhtml b/browser/components/preferences/main.inc.xhtml
-index d218a04e0ab44e6a55e368566c97df95e939565b..59f038e59fe1a8554a8b112c5ac33e700b71c79c 100644
+index 171021979f4783251db7f74d52a922d4bd244f08..cdc91ac91905956a82dfa3ed229146622d1d3d80 100644
 --- a/browser/components/preferences/main.inc.xhtml
 +++ b/browser/components/preferences/main.inc.xhtml
-@@ -48,7 +48,8 @@
+@@ -49,7 +49,8 @@
  <!-- Browser layout -->
  <groupbox data-category="paneGeneral"
            data-subcategory="layout"
@@ -12,7 +12,7 @@ index d218a04e0ab44e6a55e368566c97df95e939565b..59f038e59fe1a8554a8b112c5ac33e70
    <label><html:h2 data-l10n-id="browser-layout-header"/></label>
    <radiogroup id="browserLayoutRadioGroup" preference="sidebar.verticalTabs">
      <radio id="browserLayoutHorizontalTabs" data-l10n-id="browser-layout-horizontal-tabs" value="false"/>
-@@ -253,6 +254,7 @@
+@@ -210,6 +211,7 @@
                languages-customize-add.label,
              " />
    </hbox>

src/browser/components/preferences/main-js.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/components/preferences/main.js b/browser/components/preferences/main.js
-index 6f99cbf973d414ffd4036d17740abe963629db37..520dcce0adb06c5ebfee8c76f72f7d7b40e106da 100644
+index 3720de145e6aa3fa2fb13f8480155d9472edaa8b..f04808d58b29611f4058d9fc52ab8bc20a34825a 100644
 --- a/browser/components/preferences/main.js
 +++ b/browser/components/preferences/main.js
-@@ -1729,6 +1729,11 @@ SettingGroupManager.registerGroups({
+@@ -2190,6 +2190,11 @@ SettingGroupManager.registerGroups({
          id: "browserRestoreSession",
          l10nId: "startup-restore-windows-and-tabs",
        },
@@ -14,7 +14,7 @@ index 6f99cbf973d414ffd4036d17740abe963629db37..520dcce0adb06c5ebfee8c76f72f7d7b
        {
          id: "windowsLaunchOnLogin",
          l10nId: "windows-launch-on-login",
-@@ -3133,7 +3138,7 @@ function getBundleForLocales(newLocales) {
+@@ -4606,7 +4611,7 @@ function getBundleForLocales(newLocales) {
      ])
    );
    return new Localization(

src/browser/components/preferences/preferences-js.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/components/preferences/preferences.js b/browser/components/preferences/preferences.js
-index 7d6835b8636f771943b8081b7d56f579812026c2..97227eec4baeffd39b23ed6194ce7fa108c3b862 100644
+index 7a279d4655523156ff259c9f6bcb2a0def9d1749..de71cec7693d1fe3bf34017ab76027b83631830a 100644
 --- a/browser/components/preferences/preferences.js
 +++ b/browser/components/preferences/preferences.js
-@@ -124,6 +124,7 @@ ChromeUtils.defineLazyGetter(this, "gSubDialog", function () {
+@@ -121,6 +121,7 @@ ChromeUtils.defineLazyGetter(this, "gSubDialog", function () {
        styleSheets: [
          "chrome://browser/skin/preferences/dialog.css",
          "chrome://browser/skin/preferences/preferences.css",
@@ -10,7 +10,7 @@ index 7d6835b8636f771943b8081b7d56f579812026c2..97227eec4baeffd39b23ed6194ce7fa1
        ],
        resizeCallback: async ({ title, frame }) => {
          // Search within main document and highlight matched keyword.
-@@ -344,6 +345,10 @@ function init_all() {
+@@ -350,6 +351,10 @@ function init_all() {
    register_module("paneSearch", gSearchPane);
    register_module("panePrivacy", gPrivacyPane);
    register_module("paneContainers", gContainersPane);

src/browser/components/preferences/preferences-xhtml.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/components/preferences/preferences.xhtml b/browser/components/preferences/preferences.xhtml
-index a1aec823d6266d69ff02aa8523d2da999a0871b9..559f2ea12e53dd19f24e7953db4388456b97f02c 100644
+index 0dd43c76f947e593a9be5edae936f1af17f9b627..df026b3e164da92536adef72ee0388386cb9708b 100644
 --- a/browser/components/preferences/preferences.xhtml
 +++ b/browser/components/preferences/preferences.xhtml
-@@ -46,6 +46,8 @@
+@@ -42,6 +42,8 @@
    <link rel="stylesheet" href="chrome://browser/content/preferences/widgets/setting-pane.css" />
    <link rel="stylesheet" href="chrome://browser/content/preferences/widgets/setting-control.css" />
  
@@ -11,7 +11,7 @@ index a1aec823d6266d69ff02aa8523d2da999a0871b9..559f2ea12e53dd19f24e7953db438845
    <link rel="localization" href="branding/brand.ftl"/>
    <link rel="localization" href="browser/browser.ftl"/>
      <!-- Used by fontbuilder.js -->
-@@ -115,6 +117,11 @@
+@@ -111,6 +113,11 @@
    <hbox flex="1">
  
      <vbox class="navigation">
@@ -23,7 +23,7 @@ index a1aec823d6266d69ff02aa8523d2da999a0871b9..559f2ea12e53dd19f24e7953db438845
        <!-- category list -->
        <richlistbox id="categories" data-l10n-id="category-list" data-l10n-attrs="aria-label">
          <richlistitem id="category-general"
-@@ -127,6 +134,50 @@
+@@ -123,6 +130,50 @@
            <label class="category-name" flex="1" data-l10n-id="pane-general-title"></label>
          </richlistitem>
  
@@ -74,7 +74,7 @@ index a1aec823d6266d69ff02aa8523d2da999a0871b9..559f2ea12e53dd19f24e7953db438845
          <richlistitem id="category-home"
                        class="category"
                        value="paneHome"
-@@ -242,11 +293,6 @@
+@@ -248,11 +299,6 @@
                  <html:a href="about:policies" target="_blank" data-l10n-id="managed-notice"/>
                </hbox>
              </hbox>
@@ -86,7 +86,7 @@ index a1aec823d6266d69ff02aa8523d2da999a0871b9..559f2ea12e53dd19f24e7953db438845
            </hbox>
          </hbox>
          <vbox id="mainPrefPane">
-@@ -260,6 +306,10 @@
+@@ -265,6 +311,10 @@
  #include sync.inc.xhtml
  #include experimental.inc.xhtml
  #include moreFromMozilla.inc.xhtml

src/browser/components/preferences/sync-inc-xhtml.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/preferences/sync.inc.xhtml b/browser/components/preferences/sync.inc.xhtml
-index 4ecdbdb129577165ed0df619577327f7610e138f..761a4d4f26a21ba555b7af180e8a6030615db500 100644
+index 86053cbf35ef1b004185ee54e9d7b9f2e2b8d550..a8fe2db034ffe99e01fd0f92d629151df7f708a8 100644
 --- a/browser/components/preferences/sync.inc.xhtml
 +++ b/browser/components/preferences/sync.inc.xhtml
 @@ -223,6 +223,10 @@

src/browser/components/preferences/zen-settings.js

@@ -736,6 +736,7 @@ var gZenWorkspacesSettings = {
     Services.prefs.addObserver("zen.glance.enabled", tabsUnloaderPrefListener); // We can use the same listener for both prefs
     Services.prefs.addObserver("zen.workspaces.separate-essentials", tabsUnloaderPrefListener);
     Services.prefs.addObserver("zen.glance.activation-method", tabsUnloaderPrefListener);
+    Services.prefs.addObserver("zen.window-sync.sync-only-pinned-tabs", tabsUnloaderPrefListener);
     Services.prefs.addObserver(
       "zen.tabs.ctrl-tab.ignore-essential-tabs",
       toggleZenCycleByAttrWarning
@@ -745,6 +746,10 @@ var gZenWorkspacesSettings = {
       Services.prefs.removeObserver("zen.glance.enabled", tabsUnloaderPrefListener);
       Services.prefs.removeObserver("zen.glance.activation-method", tabsUnloaderPrefListener);
       Services.prefs.removeObserver("zen.workspaces.separate-essentials", tabsUnloaderPrefListener);
+      Services.prefs.removeObserver(
+        "zen.window-sync.sync-only-pinned-tabs",
+        tabsUnloaderPrefListener
+      );
       Services.prefs.removeObserver(
         "zen.tabs.ctrl-tab.ignore-essential-tabs",
         toggleZenCycleByAttrWarning
@@ -813,6 +818,13 @@ const zenMissingKeyboardShortcutL10n = {
   key_accessibility: "zen-devtools-toggle-accessibility-shortcut",
 };
 
+var zenIgnoreKeyboardShortcutIDs = [
+  "key_enterFullScreen_old",
+  "key_enterFullScreen_compat",
+  "key_exitFullScreen_old",
+  "key_exitFullScreen_compat",
+];
+
 var zenIgnoreKeyboardShortcutL10n = [
   "zen-full-zoom-reduce-shortcut-alt-b",
   "zen-full-zoom-reduce-shortcut-alt-a",
@@ -883,7 +895,11 @@ var gZenCKSSettings = {
 
       const labelValue = zenMissingKeyboardShortcutL10n[keyID] ?? l10nID;
 
-      if (zenIgnoreKeyboardShortcutL10n.includes(labelValue) || shortcut.shouldBeEmpty) {
+      if (
+        zenIgnoreKeyboardShortcutIDs.includes(keyID) ||
+        zenIgnoreKeyboardShortcutL10n.includes(labelValue) ||
+        shortcut.shouldBeEmpty
+      ) {
         continue;
       }
 
@@ -1193,6 +1209,16 @@ Preferences.addAll([
     type: "bool",
     default: false,
   },
+  {
+    id: "zen.tabs.select-recently-used-on-close",
+    type: "bool",
+    default: true,
+  },
+  {
+    id: "zen.window-sync.sync-only-pinned-tabs",
+    type: "bool",
+    default: false,
+  },
 ]);
 
 Preferences.addSetting({

src/browser/components/preferences/zenTabsManagement.inc.xhtml

@@ -20,6 +20,9 @@
       <label><html:h2 data-l10n-id="zen-settings-workspaces-header"/></label>
       <description class="description-deemphasized" data-l10n-id="zen-settings-workspaces-description" />
 
+      <checkbox id="zenWorkspacesSyncUnpinnedTabs"
+            data-l10n-id="zen-settings-workspaces-sync-unpinned-tabs"
+            preference="zen.window-sync.sync-only-pinned-tabs"/>
       <checkbox id="zenWorkspacesHideDefaultContainer"
             data-l10n-id="zen-settings-workspaces-hide-default-container-indicator"
             preference="zen.workspaces.hide-default-container-indicator"/>
@@ -37,15 +40,10 @@
             class="description-deemphasized"
             data-l10n-id="zen-tabs-cycle-by-attribute-warning"
             hidden="true"/>
+      <checkbox data-l10n-id="zen-tabs-select-recently-used-on-close"
+            preference="zen.tabs.select-recently-used-on-close"/>
 </groupbox>
 
-<hbox id="zenTabsUnloadCategory"
-      class="subcategory"
-      hidden="true"
-      data-category="paneZenTabManagement">
-<html:h1 data-l10n-id="pane-zen-tabs-unloader-title"/>
-</hbox>
-
 <hbox id="zenPinnedTabsManagerCategory"
       class="subcategory"
       hidden="true"

src/browser/components/screenshots/overlay/overlay-css.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/components/screenshots/overlay/overlay.css b/browser/components/screenshots/overlay/overlay.css
-index 43a5d2109ad107ce1c79eef7cb8635bc1fa813f7..c1e5648d0e71826119bda1bc18c5d16886bab8fd 100644
+index 94d87522bfaaf59b9138ec5ca960be0a0ea31339..ab3fa41cefdfc1d93edeb8a2d626bd9b1e07344b 100644
 --- a/browser/components/screenshots/overlay/overlay.css
 +++ b/browser/components/screenshots/overlay/overlay.css
-@@ -196,6 +196,9 @@
+@@ -200,6 +200,9 @@
    pointer-events: none;
    position: absolute;
    z-index: var(--screenshots-high-layer);
@@ -12,11 +12,11 @@ index 43a5d2109ad107ce1c79eef7cb8635bc1fa813f7..c1e5648d0e71826119bda1bc18c5d168
  }
  
  #top-background {
-@@ -214,7 +217,7 @@
+@@ -218,7 +221,7 @@
  }
  
  .bghighlight {
--  background-color: rgba(0, 0, 0, 0.7);
+-  background-color: var(--background-color-overlay);
 +  background-color: rgba(0, 0, 0, 0.5);
    position: absolute;
    overflow: clip;

src/browser/components/search/SearchUIUtils-sys-mjs.patch

@@ -1,13 +1,12 @@
 diff --git a/browser/components/search/SearchUIUtils.sys.mjs b/browser/components/search/SearchUIUtils.sys.mjs
-index 65daa1402a52e252360386e60471f726c1387bb3..be8f588316a8a4d7f33a324bf11f9e1f19def32d 100644
+index 22680c91da251adc21bb46debc73b3dbf6cdf08c..80d465e698c9900a6495d3f17ca2e66a25ff4021 100644
 --- a/browser/components/search/SearchUIUtils.sys.mjs
 +++ b/browser/components/search/SearchUIUtils.sys.mjs
-@@ -444,7 +444,7 @@ export var SearchUIUtils = {
-         triggeringSearchEngine: engine.name,
+@@ -445,6 +445,7 @@ export var SearchUIUtils = {
        },
      });
--
-+    window.gZenGlanceManager?.onSearchSelectCommand(where);
-     return { engine, url: submission.uri };
-   },
  
++    window.gZenGlanceManager?.onSearchSelectCommand(where);
+     lazy.BrowserSearchTelemetry.recordSearch(
+       window.gBrowser.selectedBrowser,
+       engine,

src/browser/components/sessionstore/SessionStartup-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/sessionstore/SessionStartup.sys.mjs b/browser/components/sessionstore/SessionStartup.sys.mjs
-index 86600ffb5178599ab23270a964064ca657a3283f..e7014e5bce547d37ec92377a95bad5be4d52152e 100644
+index 86600ffb5178599ab23270a964064ca657a3283f..70d7b5c7d69d3700475d663b595052264c67d351 100644
 --- a/browser/components/sessionstore/SessionStartup.sys.mjs
 +++ b/browser/components/sessionstore/SessionStartup.sys.mjs
 @@ -40,6 +40,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
@@ -28,7 +28,16 @@ index 86600ffb5178599ab23270a964064ca657a3283f..e7014e5bce547d37ec92377a95bad5be
      if (this._initialState == null) {
        // No valid session found.
        this._sessionType = this.NO_SESSION;
-@@ -336,12 +339,7 @@ export var SessionStartup = {
+@@ -276,6 +279,8 @@ export var SessionStartup = {
+         `Previous shutdown ok? ${this._previousSessionCrashed}, reason: ${previousSessionCrashedReason}`
+       );
+ 
++      lazy.ZenSessionStore.onCrashCheckpoints(this._initialState);
++
+       Services.obs.addObserver(this, "sessionstore-windows-restored", true);
+ 
+       if (this.sessionType == this.NO_SESSION) {
+@@ -336,12 +341,7 @@ export var SessionStartup = {
    isAutomaticRestoreEnabled() {
      if (this._resumeSessionEnabled === null) {
        this._resumeSessionEnabled =
@@ -42,3 +51,13 @@ index 86600ffb5178599ab23270a964064ca657a3283f..e7014e5bce547d37ec92377a95bad5be
      }
  
      return this._resumeSessionEnabled;
+@@ -354,8 +354,7 @@ export var SessionStartup = {
+    */
+   willRestore() {
+     return (
+-      this.sessionType == this.RECOVER_SESSION ||
+-      this.sessionType == this.RESUME_SESSION
++      true
+     );
+   },
+ 

src/browser/components/sessionstore/SessionStore-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/sessionstore/SessionStore.sys.mjs b/browser/components/sessionstore/SessionStore.sys.mjs
-index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96faedf6f0b 100644
+index f066bc7a9cca1788080d088141030c225a733931..accb078ebbc23f9a823ae6c277f1e1bf06644d92 100644
 --- a/browser/components/sessionstore/SessionStore.sys.mjs
 +++ b/browser/components/sessionstore/SessionStore.sys.mjs
 @@ -127,6 +127,9 @@ const TAB_EVENTS = [
@@ -12,7 +12,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
  ];
  
  const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
-@@ -196,6 +199,8 @@ ChromeUtils.defineESModuleGetters(lazy, {
+@@ -198,6 +201,8 @@ ChromeUtils.defineESModuleGetters(lazy, {
    TabStateCache: "resource:///modules/sessionstore/TabStateCache.sys.mjs",
    TabStateFlusher: "resource:///modules/sessionstore/TabStateFlusher.sys.mjs",
    setTimeout: "resource://gre/modules/Timer.sys.mjs",
@@ -21,7 +21,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
  });
  
  ChromeUtils.defineLazyGetter(lazy, "blankURI", () => {
-@@ -1261,10 +1266,7 @@ var SessionStoreInternal = {
+@@ -1263,10 +1268,7 @@ var SessionStoreInternal = {
     */
    get willAutoRestore() {
      return (
@@ -33,7 +33,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
      );
    },
  
-@@ -1934,6 +1936,9 @@ var SessionStoreInternal = {
+@@ -1940,6 +1942,9 @@ var SessionStoreInternal = {
        case "TabPinned":
        case "TabUnpinned":
        case "SwapDocShells":
@@ -43,7 +43,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
          this.saveStateDelayed(win);
          break;
        case "TabGroupCreate":
-@@ -2044,6 +2049,10 @@ var SessionStoreInternal = {
+@@ -2050,6 +2055,10 @@ var SessionStoreInternal = {
        this._windows[aWindow.__SSi].isTaskbarTab = true;
      }
  
@@ -51,10 +51,10 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
 +      this._windows[aWindow.__SSi].isZenUnsynced = true;
 +    }
 +
-     let tabbrowser = aWindow.gBrowser;
- 
-     // add tab change listeners to all already existing tabs
-@@ -2076,7 +2085,7 @@ var SessionStoreInternal = {
+     if (lazy.AIWindow.isAIWindowActiveAndEnabled(aWindow)) {
+       this._windows[aWindow.__SSi].isAIWindow = true;
+     }
+@@ -2086,7 +2095,7 @@ var SessionStoreInternal = {
      let isTaskbarTab = this._windows[aWindow.__SSi].isTaskbarTab;
      // A regular window is not a private window, taskbar tab window, or popup window
      let isRegularWindow =
@@ -63,7 +63,16 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
  
      // perform additional initialization when the first window is loading
      if (lazy.RunState.isStopped) {
-@@ -2131,6 +2140,7 @@ var SessionStoreInternal = {
+@@ -2098,7 +2107,7 @@ var SessionStoreInternal = {
+         // to disk to NOW() to enforce a full interval before the next write.
+         lazy.SessionSaver.updateLastSaveTime();
+ 
+-        if (isPrivateWindow || isTaskbarTab) {
++        if (isPrivateWindow || isTaskbarTab || aWindow.document.documentElement.hasAttribute("zen-unsynced-window")) {
+           this._log.debug(
+             "initializeWindow, the window is private or a web app. Saving SessionStartup.state for possibly restoring later"
+           );
+@@ -2141,6 +2150,7 @@ var SessionStoreInternal = {
            null,
            "sessionstore-one-or-no-tab-restored"
          );
@@ -71,7 +80,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
          this._deferredAllWindowsRestored.resolve();
        }
        // this window was opened by _openWindowWithState
-@@ -2175,7 +2185,6 @@ var SessionStoreInternal = {
+@@ -2190,7 +2200,6 @@ var SessionStoreInternal = {
        if (closedWindowState) {
          let newWindowState;
          if (
@@ -79,7 +88,15 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
            !lazy.SessionStartup.willRestore()
          ) {
            // We want to split the window up into pinned tabs and unpinned tabs.
-@@ -2239,6 +2248,15 @@ var SessionStoreInternal = {
+@@ -2226,6 +2235,7 @@ var SessionStoreInternal = {
+         }
+ 
+         if (newWindowState) {
++          lazy.ZenSessionStore.onRestoringClosedWindow(newWindowState);
+           // Ensure that the window state isn't hidden
+           this._restoreCount = 1;
+           let state = { windows: [newWindowState] };
+@@ -2254,6 +2264,15 @@ var SessionStoreInternal = {
        });
        this._shouldRestoreLastSession = false;
      }
@@ -95,7 +112,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
  
      if (this._restoreLastWindow && aWindow.toolbar.visible) {
        // always reset (if not a popup window)
-@@ -2383,7 +2401,7 @@ var SessionStoreInternal = {
+@@ -2404,7 +2423,7 @@ var SessionStoreInternal = {
  
      var tabbrowser = aWindow.gBrowser;
  
@@ -104,7 +121,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
  
      TAB_EVENTS.forEach(function (aEvent) {
        tabbrowser.tabContainer.removeEventListener(aEvent, this, true);
-@@ -2434,7 +2452,7 @@ var SessionStoreInternal = {
+@@ -2455,7 +2474,7 @@ var SessionStoreInternal = {
  
        let isLastRegularWindow =
          Object.values(this._windows).filter(
@@ -113,7 +130,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
          ).length == 1;
        this._log.debug(
          `onClose, closing window isLastRegularWindow? ${isLastRegularWindow}`
-@@ -2491,8 +2509,8 @@ var SessionStoreInternal = {
+@@ -2512,8 +2531,8 @@ var SessionStoreInternal = {
        // 2) Flush the window.
        // 3) When the flush is complete, revisit our decision to store the window
        //    in _closedWindows, and add/remove as necessary.
@@ -124,7 +141,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
        }
  
        completionPromise = lazy.TabStateFlusher.flushWindow(aWindow).then(() => {
-@@ -2512,8 +2530,9 @@ var SessionStoreInternal = {
+@@ -2533,8 +2552,9 @@ var SessionStoreInternal = {
  
          // Save non-private windows if they have at
          // least one saveable tab or are the last window.
@@ -136,7 +153,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
  
            if (!isLastWindow && winData.closedId > -1) {
              this._addClosedAction(
-@@ -2589,7 +2608,7 @@ var SessionStoreInternal = {
+@@ -2610,7 +2630,7 @@ var SessionStoreInternal = {
     *        to call this method again asynchronously (for example, after
     *        a window flush).
     */
@@ -145,7 +162,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
      // Make sure SessionStore is still running, and make sure that we
      // haven't chosen to forget this window.
      if (
-@@ -2606,6 +2625,7 @@ var SessionStoreInternal = {
+@@ -2627,6 +2647,7 @@ var SessionStoreInternal = {
        // _closedWindows from a previous call to this function.
        let winIndex = this._closedWindows.indexOf(winData);
        let alreadyStored = winIndex != -1;
@@ -153,7 +170,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
        // If sidebar command is truthy, i.e. sidebar is open, store sidebar settings
        let shouldStore = hasSaveableTabs || isLastWindow;
  
-@@ -3408,7 +3428,7 @@ var SessionStoreInternal = {
+@@ -3429,7 +3450,7 @@ var SessionStoreInternal = {
      if (!isPrivateWindow && tabState.isPrivate) {
        return;
      }
@@ -162,7 +179,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
        return;
      }
  
-@@ -4129,6 +4149,12 @@ var SessionStoreInternal = {
+@@ -4150,6 +4171,12 @@ var SessionStoreInternal = {
          Math.min(tabState.index, tabState.entries.length)
        );
        tabState.pinned = false;
@@ -175,7 +192,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
  
        if (inBackground === false) {
          aWindow.gBrowser.selectedTab = newTab;
-@@ -4565,6 +4591,8 @@ var SessionStoreInternal = {
+@@ -4586,6 +4613,8 @@ var SessionStoreInternal = {
        // Append the tab if we're opening into a different window,
        tabIndex: aSource == aTargetWindow ? pos : Infinity,
        pinned: state.pinned,
@@ -184,7 +201,19 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
        userContextId: state.userContextId,
        skipLoad: true,
        preferredRemoteType,
-@@ -5414,7 +5442,7 @@ var SessionStoreInternal = {
+@@ -5087,9 +5116,10 @@ var SessionStoreInternal = {
+       if (activePageData.title && activePageData.title != activePageData.url) {
+         win.gBrowser.setInitialTabTitle(tab, activePageData.title, {
+           isContentTitle: true,
++          _zenChangeLabelFlag: true,
+         });
+       } else {
+-        win.gBrowser.setInitialTabTitle(tab, activePageData.url);
++        win.gBrowser.setInitialTabTitle(tab, activePageData.url, { _zenChangeLabelFlag: true });
+       }
+     }
+ 
+@@ -5446,7 +5476,7 @@ var SessionStoreInternal = {
  
      for (let i = tabbrowser.pinnedTabCount; i < tabbrowser.tabs.length; i++) {
        let tab = tabbrowser.tabs[i];
@@ -193,7 +222,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
          removableTabs.push(tab);
        }
      }
-@@ -5525,7 +5553,7 @@ var SessionStoreInternal = {
+@@ -5559,7 +5589,7 @@ var SessionStoreInternal = {
  
      // collect the data for all windows
      for (ix in this._windows) {
@@ -202,7 +231,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
          // window data is still in _statesToRestore
          continue;
        }
-@@ -5668,11 +5696,12 @@ var SessionStoreInternal = {
+@@ -5702,11 +5732,12 @@ var SessionStoreInternal = {
      }
  
      let tabbrowser = aWindow.gBrowser;
@@ -216,7 +245,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
      // update the internal state data for this window
      for (let tab of tabs) {
        if (tab == aWindow.FirefoxViewHandler.tab) {
-@@ -5683,6 +5712,9 @@ var SessionStoreInternal = {
+@@ -5717,6 +5748,9 @@ var SessionStoreInternal = {
        tabsData.push(tabData);
      }
  
@@ -226,7 +255,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
      // update tab group state for this window
      winData.groups = [];
      for (let tabGroup of aWindow.gBrowser.tabGroups) {
-@@ -5695,7 +5727,7 @@ var SessionStoreInternal = {
+@@ -5729,7 +5763,7 @@ var SessionStoreInternal = {
      // a window is closed, point to the first item in the tab strip instead (it will never be the Firefox View tab,
      // since it's only inserted into the tab strip after it's selected).
      if (aWindow.FirefoxViewHandler.tab?.selected) {
@@ -235,7 +264,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
        winData.title = tabbrowser.tabs[0].label;
      }
      winData.selected = selectedIndex;
-@@ -5810,8 +5842,8 @@ var SessionStoreInternal = {
+@@ -5844,8 +5878,8 @@ var SessionStoreInternal = {
      // selectTab represents.
      let selectTab = 0;
      if (overwriteTabs) {
@@ -246,7 +275,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
        selectTab = Math.min(selectTab, winData.tabs.length);
      }
  
-@@ -5833,6 +5865,7 @@ var SessionStoreInternal = {
+@@ -5867,6 +5901,7 @@ var SessionStoreInternal = {
      if (overwriteTabs) {
        for (let i = tabbrowser.browsers.length - 1; i >= 0; i--) {
          if (!tabbrowser.tabs[i].selected) {
@@ -254,7 +283,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
            tabbrowser.removeTab(tabbrowser.tabs[i]);
          }
        }
-@@ -5866,6 +5899,12 @@ var SessionStoreInternal = {
+@@ -5900,6 +5935,12 @@ var SessionStoreInternal = {
          savedTabGroup => !openTabGroupIdsInWindow.has(savedTabGroup.id)
        );
      }
@@ -267,7 +296,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
  
      // Move the originally open tabs to the end.
      if (initialTabs) {
-@@ -6419,6 +6458,25 @@ var SessionStoreInternal = {
+@@ -6453,6 +6494,25 @@ var SessionStoreInternal = {
  
      // Most of tabData has been restored, now continue with restoring
      // attributes that may trigger external events.
@@ -293,7 +322,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
  
      if (tabData.pinned) {
        tabbrowser.pinTab(tab);
-@@ -6567,6 +6625,9 @@ var SessionStoreInternal = {
+@@ -6601,6 +6661,9 @@ var SessionStoreInternal = {
          aWindow.gURLBar.readOnly = false;
        }
      }
@@ -303,7 +332,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
  
      let promiseParts = Promise.withResolvers();
      aWindow.setTimeout(() => {
-@@ -7343,7 +7404,7 @@ var SessionStoreInternal = {
+@@ -7389,7 +7452,7 @@ var SessionStoreInternal = {
  
        let groupsToSave = new Map();
        for (let tIndex = 0; tIndex < window.tabs.length; ) {
@@ -312,7 +341,7 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2f63071f78782dbc30bde25b3bcaa96f
            // Adjust window.selected
            if (tIndex + 1 < window.selected) {
              window.selected -= 1;
-@@ -7358,7 +7419,7 @@ var SessionStoreInternal = {
+@@ -7404,7 +7467,7 @@ var SessionStoreInternal = {
            );
            // We don't want to increment tIndex here.
            continue;

src/browser/components/sessionstore/TabState-sys-mjs.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/components/sessionstore/TabState.sys.mjs b/browser/components/sessionstore/TabState.sys.mjs
-index 82721356d191055bec0d4b0ca49e481221988801..68437e6f9fa54fc75ca9e24d738e8afcd0ea22f8 100644
+index 82721356d191055bec0d4b0ca49e481221988801..e01904a6ea73e068c236adecbac6a97adedb2bd3 100644
 --- a/browser/components/sessionstore/TabState.sys.mjs
 +++ b/browser/components/sessionstore/TabState.sys.mjs
-@@ -85,7 +85,24 @@ class _TabState {
+@@ -85,7 +85,25 @@ class _TabState {
        tabData.groupId = tab.group.id;
      }
  
@@ -19,6 +19,7 @@ index 82721356d191055bec0d4b0ca49e481221988801..68437e6f9fa54fc75ca9e24d738e8afc
 +    tabData.zenIsGlance = tab.hasAttribute("zen-glance-tab");
 +    tabData._zenPinnedInitialState = tab._zenPinnedInitialState;
 +    tabData._zenIsActiveTab = tab._zenContentsVisible;
++    tabData.zenLiveFolderItemId = tab.getAttribute("zen-live-folder-item-id");
 +
      tabData.searchMode = tab.ownerGlobal.gURLBar.getSearchMode(browser, true);
 +    if (tabData.searchMode?.source === tab.ownerGlobal.UrlbarUtils.RESULT_SOURCE.ZEN_ACTIONS) {

src/browser/components/sidebar/browser-sidebar-js.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/components/sidebar/browser-sidebar.js b/browser/components/sidebar/browser-sidebar.js
-index bd6db85732e6e99ca51ce9c4c1a7d469199cf8cb..6c7859c1014baf4e343714ef797cf558d065e189 100644
+index 86a74b2abfe9b49d71ce61fefc636b865bef83a9..7c18fcf15d127d79febb03ca15f0193dd6263604 100644
 --- a/browser/components/sidebar/browser-sidebar.js
 +++ b/browser/components/sidebar/browser-sidebar.js
-@@ -793,7 +793,7 @@ var SidebarController = {
+@@ -799,7 +799,7 @@ var SidebarController = {
    setPosition() {
      // First reset all ordinals to match DOM ordering.
      let contentArea = document.getElementById("tabbrowser-tabbox");

src/browser/components/tabbrowser/TabUnloader-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/tabbrowser/TabUnloader.sys.mjs b/browser/components/tabbrowser/TabUnloader.sys.mjs
-index aefccef39f0b81176a5710a794e8a5e2650d6507..e073c65790df6d55e827a4f4596199f4f1a99a57 100644
+index aefccef39f0b81176a5710a794e8a5e2650d6507..53c838b3bc322cadee4ef9b411d02fc0af8c35e5 100644
 --- a/browser/components/tabbrowser/TabUnloader.sys.mjs
 +++ b/browser/components/tabbrowser/TabUnloader.sys.mjs
 @@ -52,7 +52,7 @@ let CRITERIA_WEIGHT = 1;
@@ -11,3 +11,12 @@ index aefccef39f0b81176a5710a794e8a5e2650d6507..e073c65790df6d55e827a4f4596199f4
        return weight;
      }
  
+@@ -106,7 +106,7 @@ let DefaultTabUnloaderMethods = {
+ 
+   *iterateTabs() {
+     for (let win of Services.wm.getEnumerator("navigator:browser")) {
+-      for (let tab of win.gBrowser.tabs) {
++      for (let tab of win.gZenWorkspaces.allStoredTabs) {
+         yield { tab, gBrowser: win.gBrowser };
+       }
+     }