Merge branch 'dev' of https://github.com/zen-browser/desktop into dev

Signed-off-by: mr. m <91018726+mr-cheffy@users.noreply.github.com>

.github/FUNDING.yml

@@ -1,2 +0,0 @@
-patreon: zen_browser
-ko_fi: zen_browser

.github/workflows/build.yml

@@ -50,10 +50,24 @@ on:
         default: false
 
 jobs:
-  debug-inputs:
-    name: Debug inputs
+  buildid:
+    name: Generate build ID
     runs-on: ubuntu-latest
+    outputs:
+      buildids: ${{ steps.get.outputs.bid }}
     steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          token: ${{ secrets.DEPLOY_KEY }}
+
+      - id: get
+        shell: bash -xe {0}
+        run: |
+          bdat=`date +"%Y%m%d%I%M%S"`
+          echo "bid=${bdat}" >> $GITHUB_OUTPUT
+
       - name: Debug
         run: |
           echo "create_release: ${{ inputs.create_release }}"
@@ -64,21 +78,28 @@ jobs:
           echo "GITHUB_REPOSITORY_OWNER: ${{ github.repository_owner }}"
           echo "GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}"
 
-  buildid:
-    name: Generate build ID
-    runs-on: ubuntu-latest
-    outputs:
-      buildids: ${{ steps.get.outputs.bid }}
-    steps:
-      - id: get
-        shell: bash -xe {0}
+      - name: Check if correct branch
+        if: ${{ inputs.create_release }}
         run: |
-          bdat=`date +"%Y%m%d%I%M%S"`
-          echo "bid=${bdat}" >> $GITHUB_OUTPUT
+          echo "Checking if we are on the correct branch"
+          git branch
+          git status
+          git branch --show-current
+          branch="${{ inputs.update_branch }}"
+          if [[ $branch == "twilight" ]]; then
+            branch="dev"
+          elif [[ $branch == "release" ]]; then
+            branch="stable"
+          fi
+          if [[ $(git branch --show-current) != $branch ]]; then
+            echo ">>> Branch mismatch"
+          # exit 1
+          else
+            echo ">>> Branch matches"
+          fi
 
   start-self-host:
     runs-on: ubuntu-latest
-    needs: debug-inputs
     steps:
       - name: Download aws-cli
         if: ${{ inputs.create_release && inputs.update_branch == 'release' }}
@@ -101,42 +122,12 @@ jobs:
           echo "Removing self-hosted runner script"
           rm start.sh || true
 
-  check-build-is-correct:
-    runs-on: ubuntu-latest
-    needs: [debug-inputs]
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          submodules: recursive
-          token: ${{ secrets.DEPLOY_KEY }}
-
-      - name: Check if correct branch
-        if: ${{ inputs.create_release }}
-        run: |
-          echo "Checking if we are on the correct branch"
-          git branch
-          git status
-          git branch --show-current
-          branch="${{ inputs.update_branch }}"
-          if [[ $branch == "twilight" ]]; then
-            branch="dev"
-          elif [[ $branch == "release" ]]; then
-            branch="stable"
-          fi
-          if [[ $(git branch --show-current) != $branch ]]; then
-            echo ">>> Branch mismatch"
-          # exit 1
-          else
-            echo ">>> Branch matches"
-          fi
-
   build-data:
     permissions:
       contents: write
     name: Generate build data
-    runs-on: ubuntu-latest
-    needs: check-build-is-correct
+    runs-on: blacksmith-2vcpu-ubuntu-2404
+    needs: buildid
     outputs:
       build_date: ${{ steps.data.outputs.builddate }}
       version: ${{ steps.data.outputs.version }}
@@ -149,7 +140,7 @@ jobs:
           token: ${{ secrets.DEPLOY_KEY }}
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: useblacksmith/setup-node@v5
         with:
           node-version-file: '.nvmrc'
 
@@ -199,7 +190,7 @@ jobs:
     name: Lint
 
   check-release:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-2vcpu-ubuntu-2404
     needs: [build-data, lint]
     steps:
       - name: Checkout repository
@@ -209,7 +200,7 @@ jobs:
           token: ${{ secrets.DEPLOY_KEY }}
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: useblacksmith/setup-node@v5
         with:
           node-version-file: '.nvmrc'
 
@@ -240,7 +231,7 @@ jobs:
   source:
     permissions:
       contents: write
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-2vcpu-ubuntu-2404
     needs: [build-data, check-release]
 
     steps:
@@ -251,7 +242,7 @@ jobs:
           token: ${{ secrets.DEPLOY_KEY }}
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: useblacksmith/setup-node@v5
         with:
           node-version-file: '.nvmrc'
 
@@ -368,7 +359,7 @@ jobs:
     name: AppImage build - Linux ${{ matrix.arch }}
     permissions:
       contents: write
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-2vcpu-ubuntu-2404
     strategy:
       matrix:
         arch: [x86_64, aarch64]
@@ -381,7 +372,7 @@ jobs:
           token: ${{ secrets.DEPLOY_KEY }}
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: useblacksmith/setup-node@v5
         with:
           node-version-file: '.nvmrc'
 
@@ -446,7 +437,7 @@ jobs:
           path: ./dist/zen-${{ matrix.arch }}.AppImage.zsync
 
   stop-self-hosted:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-2vcpu-ubuntu-2404
     needs: [windows-step-3, linux]
     if: always()
     steps:
@@ -487,7 +478,7 @@ jobs:
         lint,
         stop-self-hosted,
       ]
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-2vcpu-ubuntu-2404
     environment:
       name: ${{ inputs.update_branch == 'release' && 'Deploy-Release' || 'Deploy-Twilight' }}
 
@@ -614,7 +605,7 @@ jobs:
     permissions: write-all
     name: Prepare Flatpak
     needs: [release, linux, build-data]
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-2vcpu-ubuntu-2404
 
     steps:
       - name: Checkout Flatpak repository
@@ -673,7 +664,7 @@ jobs:
     permissions: write-all
     name: Release Flatpak
     needs: [prepare-flatpak, build-data]
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-2vcpu-ubuntu-2404
 
     steps:
       - name: Checkout Flatpak repository

.github/workflows/code-linter.yml

@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - dev
-  workflow_dispatch:
   workflow_call:
   pull_request:
     branches:
@@ -16,6 +15,7 @@ permissions:
 jobs:
   lint:
     runs-on: ubuntu-latest
+    if: ${{ !contains(github.event.head_commit.message, '[no-lint]') }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4

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

@@ -26,7 +26,7 @@ jobs:
     permissions:
       contents: write
     # aarch64 does not need full 16x
-    runs-on: ${{ (inputs.release-branch == 'release' && matrix.arch == 'x86_64') && 'self-hosted' || 'ubuntu-latest' }}
+    runs-on: ${{ (inputs.release-branch == 'release' && matrix.arch == 'x86_64') && 'self-hosted' || 'blacksmith-8vcpu-ubuntu-2404' }}
     strategy:
       fail-fast: false
       matrix:
@@ -44,10 +44,6 @@ jobs:
         with:
           tool-cache: false
 
-      # Bug: https://github.com/actions/checkout/issues/1153
-      - name: Remove zombie lock file
-        run: rm -f /home/ubuntu/actions-runner/_work/desktop/desktop/.git/modules/l10n/index.lock
-
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
@@ -55,7 +51,7 @@ jobs:
           token: ${{ secrets.DEPLOY_KEY }}
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: useblacksmith/setup-node@v5
         with:
           node-version-file: '.nvmrc'
 

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

@@ -35,7 +35,7 @@ jobs:
   windows-build:
     name: Build Windows - ${{ matrix.arch }}
     # aarch64 does not need full 16x, and we also dont use full LTO when generating GPO
-    runs-on: ${{ (inputs.release-branch == 'release' && !inputs.generate-gpo && matrix.arch == 'x86_64') && 'self-hosted' || 'ubuntu-latest' }}
+    runs-on: ${{ (inputs.release-branch == 'release' && !inputs.generate-gpo && matrix.arch == 'x86_64') && 'self-hosted' || 'blacksmith-8vcpu-ubuntu-2404' }}
     env:
       SCCACHE_GHA_ENABLED: ${{ inputs.use-sccache && 'true' || 'false' }}
       CARGO_TERM_COLOR: always
@@ -53,10 +53,6 @@ jobs:
         with:
           tool-cache: false
 
-      # Bug: https://github.com/actions/checkout/issues/1153
-      - name: Remove zombie lock file
-        run: rm -f /home/ubuntu/actions-runner/_work/desktop/desktop/.git/modules/l10n/index.lock
-
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
@@ -64,7 +60,7 @@ jobs:
           token: ${{ secrets.DEPLOY_KEY }}
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: useblacksmith/setup-node@v5
         with:
           node-version-file: '.nvmrc'
 
@@ -103,7 +99,7 @@ jobs:
         env:
           SEGMENT_DOWNLOAD_TIMEOUT_MINS: 5
         id: cache-win-cross
-        uses: actions/cache@v4
+        uses: useblacksmith/cache@v5
         with:
           path: ${HOME}/win-cross
           key: win-cross

README.md

@@ -29,11 +29,19 @@ 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 `139.0.4`! 🚀
-- [`Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 139.0.4`!
+- [`Release`](https://zen-browser.app/download) - Is currently built using Firefox version `140.0.2`! 🚀
+- [`Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 140.0.2`!
 
 ### Contributing
 
 If you'd like to report a bug, please do so on our [GitHub Issues page](https://github.com/zen-browser/desktop/issues/) and for feature requests, you can use [Github Discussions](https://github.com/zen-browser/desktop/discussions).
 
 Zen is an open-source project, and we welcome contributions from the community! Please take a look at the [contribution guidelines](./docs/contribute.md) before getting started!
+
+#### Partners
+
+Thanks to all the partners of Zen for their support and contributions:
+
+<a href="https://blacksmith.sh">
+  <img src="./docs/assets/blacksmith-yellow.png" width="350px"/>
+</a>

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

@@ -1 +1 @@
-29fd9c19879c6f9bfcf414f47426d8dc00dee1a5
+d5e5ed08dac5a263dbc7784dff272198b17bbc4f

docs/contribute.md

@@ -17,6 +17,10 @@ The `dev` branch is the main branch of the repository, and it is the default bra
 
 The `stable` branch may have hotfixes directly from the `stable` branch, and the `twilight` branch may have feature branches branched off from the `twilight` branch. This is done so that we can apply hotfixes like security patches directly to the `stable` branch without having to merge the changes from the `twilight` branch.
 
+# Local Development Setup
+
+Before you set up your local development environment, **read our [Building Guidelines](https://docs.zen-browser.app/guides/building)**. Skipping them can lead to avoidable build errors.
+
 # Code Of Conduct
 
 Please read our [Code of Conduct](../CODE_OF_CONDUCT.md) before contributing.

src/browser/app/profile/ai.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref("browser.ml.chat.enabled", false);
 pref("browser.ml.chat.shortcuts", false);

src/browser/app/profile/browser.inc

@@ -1,14 +1,13 @@
 
-// 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/.
+# 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/.
 
 // Restore session on startup
 pref("browser.startup.page", 3);
 pref("browser.sessionstore.restore_pinned_tabs_on_demand", true);
 
 // Toolbars
-pref("browser.tabs.closeWindowWithLastTab", false);
 pref("browser.tabs.loadBookmarksInTabs", false);
 pref("browser.tabs.hoverPreview.enabled", false);
 pref("browser.tabs.dragdrop.moveOverThresholdPercent", 50);
@@ -53,3 +52,4 @@ pref("app.update.checkInstallTime.days", 6);
 // TODO: Check this out!
 pref("browser.profiles.enabled", false);
 pref("browser.tabs.groups.enabled", false);
+pref("browser.urlbar.scotchBonnet.enableOverride", false);

src/browser/app/profile/disablemozilla.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 // Common UI changes
 pref("browser.privatebrowsing.vpnpromourl", "", locked);

src/browser/app/profile/extensions.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 // security: They must enable this themselves, to avoid people downloading malware
 pref('xpinstall.signatures.required', true);

src/browser/app/profile/features.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 #ifdef MOZILLA_OFFICIAL
   pref('zen.welcome-screen.seen', false, sticky);

src/browser/app/profile/features/compact-mode.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('zen.view.compact.hide-tabbar', true);
 pref('zen.view.compact.hide-toolbar', false);

src/browser/app/profile/features/downloads.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('zen.downloads.download-animation', true);
 pref('zen.downloads.download-animation-duration', 1000); // ms

src/browser/app/profile/features/glance.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('zen.glance.enabled', true);
 pref('zen.glance.enable-contextmenu-search', true);

src/browser/app/profile/features/kbs.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('zen.keyboard.shortcuts.enabled', true);
 pref('zen.keyboard.shortcuts.version', 0); // Empty string means default shortcuts

src/browser/app/profile/features/mods.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('zen.mods.updated-value-observer', false);
 

src/browser/app/profile/features/split-view.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('zen.splitView.enable-tab-drop', true);
 pref('zen.splitView.min-resize-width', 7);

src/browser/app/profile/features/theme.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('zen.theme.accent-color', "#ffb787");
 pref('zen.theme.content-element-separation', 8); // In pixels
@@ -20,3 +20,5 @@ pref('zen.theme.essentials-favicon-bg', true);
   pref('zen.theme.acrylic-elements', false);
 #endif
 
+# Light weight themes
+pref('zen.theme.disable-lightweight', true);

src/browser/app/profile/features/urlbar.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('zen.urlbar.replace-newtab', true);
 pref('zen.urlbar.show-protections-icon', false);

src/browser/app/profile/features/view.inc

@@ -1,8 +1,8 @@
-// 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/.
+# 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/.
 
-pref('zen.view.sidebar-height-throttle', 200); // in ms
+pref('zen.view.sidebar-height-throttle', 0); // in ms
 pref('zen.view.sidebar-expanded.max-width', 500);
 
 #ifdef XP_MACOSX
@@ -15,14 +15,15 @@ pref('zen.view.sidebar-expanded', true);
 pref('zen.view.sidebar-collapsed.hide-mute-button', true);
 pref('zen.view.experimental-force-window-controls-left', false);
 
-#ifdef XP_MACOSX
-  pref('zen.view.grey-out-inactive-windows', false);
-#else
-  pref('zen.view.grey-out-inactive-windows', true);
-#endif
-
 pref('zen.view.hide-window-controls', true);
 pref('zen.view.experimental-no-window-controls', false);
 
+pref('zen.view.grey-out-inactive-windows', true);
+
 pref('zen.view.show-newtab-button-border-top', false);
 pref('zen.view.show-newtab-button-top', true);
+
+# 0: Dark
+# 1: Light
+# 2: Auto (system color scheme unless overridden by browser theme)
+pref('zen.view.window.scheme', 2); // auto, light, dark

src/browser/app/profile/features/workspaces.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('zen.workspaces.continue-where-left-off', false);
 pref('zen.workspaces.hide-default-container-indicator', true);
@@ -11,7 +11,7 @@ pref('zen.workspaces.wrap-around-navigation', true);
 pref('zen.workspaces.natural-scroll', false);
 pref('zen.workspaces.scroll-modifier-key','ctrl'); // can be ctrl, alt, shift, or a meta key
 pref('services.sync.engine.workspaces', false);
-pref('zen.workspaces.container-specific-essentials-enabled', false);
+pref('zen.workspaces.separate-essentials', true);
 
 #ifdef MOZILLA_OFFICIAL
   pref('zen.workspaces.debug', false);
@@ -19,7 +19,7 @@ pref('zen.workspaces.container-specific-essentials-enabled', false);
   pref('zen.workspaces.debug', true);
 #endif
 
-// Section: Pinned tabs management
+# Section: Pinned tabs management
 pref('zen.pinned-tab-manager.debug', false);
 pref('zen.pinned-tab-manager.restore-pinned-tabs-to-pinned-url', false);
 pref('zen.pinned-tab-manager.close-shortcut-behavior', 'reset-unload-switch');

src/browser/app/profile/firefox-js.patch

@@ -1,10 +1,10 @@
 diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
-index beced8067e6c8b5c8cf8e3f6060ba259ec9a294d..33a264e7f9cf97944da3888bdb957fa6e7c4c346 100644
+index 412e0879bbb0c7e7d1eb842212b064e1c77cab8f..bd23e5f2cd3f9c382f704fd1fcfdbb3edd71a454 100644
 --- a/browser/app/profile/firefox.js
 +++ b/browser/app/profile/firefox.js
-@@ -3398,3 +3398,5 @@ pref("toolkit.contentRelevancy.enabled", false);
- pref("toolkit.contentRelevancy.ingestEnabled", false);
- // Pref to enable extra logging for the content relevancy feature
- pref("toolkit.contentRelevancy.log", false);
+@@ -3361,3 +3361,5 @@ pref("toolkit.contentRelevancy.log", false);
+ // rotation altogether.
+ pref("browser.contextual-services.contextId.rotation-in-days", 0);
+ pref("browser.contextual-services.contextId.rust-component.enabled", false);
 +
 +#include zen-browser.js

src/browser/app/profile/fullscreen.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref("full-screen-api.transition-duration.enter", "0 0");
 pref("full-screen-api.transition-duration.leave", "0 0");

src/browser/app/profile/linux.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref("widget.gtk.rounded-bottom-corners.enabled", true);
 

src/browser/app/profile/macos.inc

@@ -1,14 +1,14 @@
-// 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/.
+# 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/.
 
-// Enable transparent background for macos
-pref('widget.macos.titlebar-blend-mode.behind-window', true);
-// 1. hudWindow
-// 2. fullScreenUI
-// 3. popover
-// 4. menu
-// 5. toolTip
-// 6. headerView
-// 7. underlay
-pref('zen.widget.macos.window-material', 3);
+# Enable transparent background for macos
+pref('widget.macos.sidebar-blend-mode.behind-window', true);
+# 1. hudWindow
+# 2. fullScreenUI
+# 3. popover
+# 4. menu
+# 5. toolTip
+# 6. headerView
+# 7. underlay
+pref('zen.widget.macos.window-material', 1);

src/browser/app/profile/media.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('image.jxl.enabled', true, locked);
 pref("svg.context-properties.content.enabled", true);

src/browser/app/profile/newtab.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('browser.newtabpage.activity-stream.feeds.topsites', false);
 pref('browser.newtabpage.activity-stream.feeds.section.topstories', false);

src/browser/app/profile/pdf.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('pdfjs.enableHighlightEditor', true);
 pref('pdfjs.enableHighlightFloatingButton', true);

src/browser/app/profile/performance.inc

@@ -1,17 +1,17 @@
-// 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/.
+# 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/.
 
 #ifdef XP_MACOSX
-  // Pref to control the reponse taken on macOS when the OS is under memory
-  // pressure. Changes to the pref take effect immediately. Browser restart not
-  // required. The pref value is a bitmask:
-  // 0x0: No response (other than recording for telemetry, crash reporting)
-  // 0x1: Use the tab unloading feature to reduce memory use. Requires that
-  //      the above "browser.tabs.unloadOnLowMemory" pref be set to true for tab
-  //      unloading to occur.
-  // 0x2: Issue the internal "memory-pressure" notification to reduce memory use
-  // 0x3: Both 0x1 and 0x2.
+# Pref to control the reponse taken on macOS when the OS is under memory
+# pressure. Changes to the pref take effect immediately. Browser restart not
+# required. The pref value is a bitmask:
+# 0x0: No response (other than recording for telemetry, crash reporting)
+# 0x1: Use the tab unloading feature to reduce memory use. Requires that
+#      the above "browser.tabs.unloadOnLowMemory" pref be set to true for tab
+#      unloading to occur.
+# 0x2: Issue the internal "memory-pressure" notification to reduce memory use
+# 0x3: Both 0x1 and 0x2.
   pref("browser.lowMemoryResponseMask", 3);
 #endif
 

src/browser/app/profile/pip.inc

@@ -1,7 +1,7 @@
-// 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/.
+# 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/.
 
 pref("media.videocontrols.picture-in-picture.video-toggle.enabled", true);
-// TODO: Enable once we have a proper settings page
+# TODO: Enable once we have a proper settings page
 pref("media.videocontrols.picture-in-picture.enable-when-switching-tabs.enabled", false);

src/browser/app/profile/privacy.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref("datareporting.policy.dataSubmissionEnabled", false, locked);
 pref("datareporting.healthreport.uploadEnabled", false, locked);
@@ -25,23 +25,23 @@ pref("app.shield.optoutstudies.enabled", false, locked);
 pref("app.normandy.enabled", false);
 pref("app.normandy.api_url", "", locked);
 
-// Crash reports
+# Crash reports
 pref("breakpad.reportURL", "");
 pref("browser.tabs.crashReporting.sendReport", false);
 pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false);
 
-// Other privacy
+# Other privacy
 pref("extensions.getAddons.cache.enabled", false);
 
-// Disable cache for private browsing
+# Disable cache for private browsing
 pref("browser.privatebrowsing.forceMediaMemoryCache", true);
 
-// Tracking protection
+# Tracking protection
 pref("browser.helperApps.deleteTempFileOnExit", true);
 pref("browser.uitour.enabled", false);
 
 pref("privacy.globalprivacycontrol.enabled", true);
 
-// Contextual identity
+# Contextual identity
 pref('privacy.userContext.enabled', true);
 pref('privacy.userContext.ui.enabled', true);

src/browser/app/profile/smoothscroll.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref("general.smoothScroll.msdPhysics.enabled", true);
 pref("general.smoothScroll.currentVelocityWeighting", "0.15");

src/browser/app/profile/urlbar.inc

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 pref('browser.urlbar.unitConversion.enabled', true);
 pref('browser.urlbar.trending.featureGate', false);
@@ -12,10 +12,10 @@ pref('browser.urlbar.suggest.calculator', true);
 pref("browser.urlbar.trimHttps", true);
 pref("browser.urlbar.untrimOnUserInteraction.featureGate", true);
 
-// Keep in sync with browser/components/topsites/constants.mjs
+# Keep in sync with browser/components/topsites/constants.mjs
 pref("browser.urlbar.maxRichResults", 7);
 
-// Enable private suggestions
+# Enable private suggestions
 pref('browser.search.suggest.enabled', false);
 pref('browser.search.suggest.enabled.private', false);
 

src/browser/app/profile/windows.inc

@@ -1,8 +1,8 @@
-// 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/.
+# 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/.
 
-// Mica
+# Mica
 pref("widget.windows.mica", true);
 pref("widget.windows.mica.popups", true);
 pref("widget.windows.mica.toplevel-backdrop", 2);

src/browser/app/profile/zen-browser.js

@@ -1,6 +1,6 @@
-// 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/.
+# 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/.
 
 #ifdef XP_UNIX
   #ifndef XP_MACOSX
@@ -8,12 +8,9 @@
   #endif
 #endif
 
-// Dont download the multilingual dictionary
+# Dont download the multilingual dictionary
 pref("intl.multilingual.downloadEnabled", false);
 
-// Theme
-pref('toolkit.legacyUserProfileCustomizations.stylesheets', true);
-
 #ifdef XP_WIN
   #include windows.inc
 #endif

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

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/aboutDialog.xhtml b/browser/base/content/aboutDialog.xhtml
-index c64980810570fcea84e33fdc2d66ac42a79f4e46..11fe00e84dbac781b3da90abb1251c70bd3b094a 100644
+index c64980810570fcea84e33fdc2d66ac42a79f4e46..aa629ebb38a9aa74048fe3fc759f716fad57d6f3 100644
 --- a/browser/base/content/aboutDialog.xhtml
 +++ b/browser/base/content/aboutDialog.xhtml
 @@ -102,10 +102,6 @@
@@ -13,7 +13,13 @@ index c64980810570fcea84e33fdc2d66ac42a79f4e46..11fe00e84dbac781b3da90abb1251c70
              </vbox>
  #endif
            </hbox>
-@@ -125,21 +121,17 @@
+@@ -120,26 +116,22 @@
+           <vbox id="experimental" hidden="true">
+             <description class="text-blurb" id="warningDesc" data-l10n-id="warningDesc-version"></description>
+             <description class="text-blurb" id="communityExperimentalDesc" data-l10n-id="community-exp">
+-              <label is="text-link" href="https://www.mozilla.org/?utm_source=firefox-browser&#38;utm_medium=firefox-desktop&#38;utm_campaign=about-dialog" data-l10n-name="community-exp-mozillaLink"/>
++              <label is="text-link" href="https://zen-browser.app/about" data-l10n-name="community-exp-mozillaLink"/>
+               <label is="text-link" useoriginprincipal="true" href="about:credits" data-l10n-name="community-exp-creditsLink"/>
              </description>
            </vbox>
            <description class="text-blurb" id="communityDesc" data-l10n-id="community-2">

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

@@ -1,8 +1,8 @@
 diff --git a/browser/base/content/browser-addons.js b/browser/base/content/browser-addons.js
-index 73593191936cc345ee8e2c28cb251dc13f4c2fd4..e6c459c1ebc60a1f3930a55e212570f696bf07a0 100644
+index f4d5125d9a1c8f0aef24536ca7d2ef3f133d8a99..cacd7f465e67226de4a366354779c6cb0cbd0b4c 100644
 --- a/browser/base/content/browser-addons.js
 +++ b/browser/base/content/browser-addons.js
-@@ -735,7 +735,7 @@ var gXPInstallObserver = {
+@@ -1057,7 +1057,7 @@ var gXPInstallObserver = {
        persistent: true,
        hideClose: true,
        popupOptions: {
@@ -11,7 +11,7 @@ index 73593191936cc345ee8e2c28cb251dc13f4c2fd4..e6c459c1ebc60a1f3930a55e212570f6
        },
      };
  
-@@ -942,7 +942,7 @@ var gXPInstallObserver = {
+@@ -1266,7 +1266,7 @@ var gXPInstallObserver = {
        hideClose: true,
        timeout: Date.now() + 30000,
        popupOptions: {
@@ -20,16 +20,16 @@ index 73593191936cc345ee8e2c28cb251dc13f4c2fd4..e6c459c1ebc60a1f3930a55e212570f6
        },
      };
  
-@@ -2125,7 +2125,7 @@ var gUnifiedExtensions = {
- 
-         panel.hidden = false;
+@@ -2571,7 +2571,7 @@ var gUnifiedExtensions = {
+         this.recordButtonTelemetry(reason || "extensions_panel_showing");
+         this.ensureButtonShownBeforeAttachingPanel(panel);
          PanelMultiView.openPopup(panel, this._button, {
 -          position: "bottomright topright",
 +          position: gZenUIManager.panelUIPosition,
            triggerEvent: aEvent,
          });
        }
-@@ -2294,18 +2294,20 @@ var gUnifiedExtensions = {
+@@ -2758,18 +2758,20 @@ var gUnifiedExtensions = {
        this._maybeMoveWidgetNodeBack(widgetId);
      }
  

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

@@ -1,9 +1,9 @@
 diff --git a/browser/base/content/browser-box.inc.xhtml b/browser/base/content/browser-box.inc.xhtml
-index 7d7e8697f02f90d4f336c9ab0a73a89848e0c21c..64e950106dd05b443ce72107613ac9cc405d56ea 100644
+index afa7f8e7dd74173bf2c696bd96f7e86e8b0126bc..4847c24923f673e91eb7fb65ea6b037f38062405 100644
 --- a/browser/base/content/browser-box.inc.xhtml
 +++ b/browser/base/content/browser-box.inc.xhtml
-@@ -23,7 +23,15 @@
-     <browser id="sidebar" autoscroll="false" disablehistory="true" disablefullscreen="true" tooltip="aHTMLTooltip"/>
+@@ -25,7 +25,15 @@
+     </stack>
    </vbox>
    <splitter id="sidebar-splitter" class="chromeclass-extrachrome sidebar-splitter" resizebefore="sibling" resizeafter="none" hidden="true"/>
 +<vbox flex="1" id="zen-appcontent-wrapper">

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

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/browser-commands.js b/browser/base/content/browser-commands.js
-index 352de44dda36e3f6672eb353f42978ede0cd2681..0fde717eaf755526ec65b676c43bd34c6a675934 100644
+index b0b2383453ef771af3eb9260618f1e2e3022eb4e..7c5844582d9adb55c55fb1627a9980cf0e5c110b 100644
 --- a/browser/base/content/browser-commands.js
 +++ b/browser/base/content/browser-commands.js
 @@ -318,6 +318,10 @@ var BrowserCommands = {
@@ -13,18 +13,21 @@ index 352de44dda36e3f6672eb353f42978ede0cd2681..0fde717eaf755526ec65b676c43bd34c
      // A notification intended to be useful for modular peformance tracking
      // starting as close as is reasonably possible to the time when the user
      // expressed the intent to open a new tab.  Since there are a lot of
-@@ -400,6 +404,10 @@ var BrowserCommands = {
+@@ -402,6 +406,13 @@ var BrowserCommands = {
        return;
      }
  
 +    if (gBrowser.selectedTab.hasAttribute("zen-empty-tab")) {
++      if (gZenWorkspaces.shouldCloseWindow()) {
++        closeWindow(true);
++      }
 +      return;
 +    }
 +
      // Keyboard shortcuts that would close a tab that is pinned select the first
      // unpinned tab instead.
      if (
-@@ -407,8 +415,8 @@ var BrowserCommands = {
+@@ -409,8 +420,8 @@ var BrowserCommands = {
        (event.ctrlKey || event.metaKey || event.altKey) &&
        gBrowser.selectedTab.pinned
      ) {

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 00c8976d3e258c0875d7da2f3ec823d8907a84c9..cc61d5a845b5ce22a61f5a1aab8b280b2bcdf101 100644
+index ad1515eb111bc2532b2f17ea28fc04463030d30d..899f4baf2cd3472abd5591f3c9987f0c02b9313f 100644
 --- a/browser/base/content/navigator-toolbox.inc.xhtml
 +++ b/browser/base/content/navigator-toolbox.inc.xhtml
 @@ -2,7 +2,7 @@
@@ -29,9 +29,9 @@ index 00c8976d3e258c0875d7da2f3ec823d8907a84c9..cc61d5a845b5ce22a61f5a1aab8b280b
 +<html:div id="zen-essentials" skipintoolbarset="true"></html:div>
 +<html:div id="zen-tabs-wrapper">
            <hbox class="tab-drop-indicator" hidden="true"/>
-           <html:span id="tab-drag-empty-feedback" role="presentation"/>
  # If the name (tabbrowser-arrowscrollbox) or structure of this changes
-@@ -76,6 +78,7 @@
+ # significantly, there is an optimization in
+@@ -75,6 +77,7 @@
                                tooltip="dynamic-shortcut-tooltip"
                                data-l10n-id="tabs-toolbar-new-tab"/>
            <html:span id="tabbrowser-tab-a11y-desc" hidden="true"/>
@@ -39,7 +39,7 @@ index 00c8976d3e258c0875d7da2f3ec823d8907a84c9..cc61d5a845b5ce22a61f5a1aab8b280b
          </tabs>
  
          <toolbarbutton id="new-tab-button"
-@@ -101,9 +104,10 @@
+@@ -100,9 +103,10 @@
  #include private-browsing-indicator.inc.xhtml
      <toolbarbutton class="content-analysis-indicator toolbarbutton-1 content-analysis-indicator-icon"/>
  

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

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/navigator-toolbox.js b/browser/base/content/navigator-toolbox.js
-index 64ded8fb2c08f1dbfec8fe08ab427a24b53f1169..9e1e888554279b6e1df3bc1cb907afd2ccb330ca 100644
+index 31d0ee325847834e7c58c1079225adf43d738bcd..4d2c69d4dd7e313bdb085530b3289dc9d93530a5 100644
 --- a/browser/base/content/navigator-toolbox.js
 +++ b/browser/base/content/navigator-toolbox.js
 @@ -8,7 +8,7 @@
@@ -17,8 +17,8 @@ index 64ded8fb2c08f1dbfec8fe08ab427a24b53f1169..9e1e888554279b6e1df3bc1cb907afd2
          #reader-mode-button,
 +        #zen-tabs-wrapper,
          #picture-in-picture-button,
-         #shopping-sidebar-button,
          #urlbar-zoom-button,
+         #star-button-box,
 @@ -208,6 +209,7 @@ document.addEventListener(
          case "vertical-tabs-newtab-button":
          case "tabs-newtab-button":

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

@@ -76,7 +76,6 @@
 
 
         # Images
-        content/browser/zen-images/gradient.png                                 (../../zen/images/gradient.png)
         content/browser/zen-images/brand-header.svg                             (../../zen/images/brand-header.svg)
         content/browser/zen-images/layouts/collapsed.png                        (../../zen/images/layouts/collapsed.png)
         content/browser/zen-images/layouts/multiple-toolbar.png                 (../../zen/images/layouts/multiple-toolbar.png)

src/browser/base/content/zen-panels/gradient-generator.inc

@@ -5,39 +5,102 @@
 <panel flip="side" type="arrow" popupalign="center" orient="vertical" id="PanelUI-zen-gradient-generator" position="bottomright topright" mainview="true" side="left">
   <panelmultiview id="PanelUI-zen-gradient-generator-multiview" mainViewId="PanelUI-zen-gradient-generator-view">
     <panelview id="PanelUI-zen-gradient-generator-view" class="PanelUI-subView zen-theme-picker" role="document" mainview-with-header="true" has-custom-header="true">
-      <hbox>
-        <hbox id="PanelUI-zen-gradient-generator-predefined">
-          <box data-algo="analogous" data-num-dots="3" data-position="219,99" style="background: linear-gradient(135deg, rgb(117, 255, 136), rgb(60, 66, 58));"></box>
-          <box data-algo="analogous" data-num-dots="3" data-position="167,201" style="background: linear-gradient(135deg, #a03fe0, #382b5c);"></box>
-          <box data-algo="analogous" data-num-dots="3" data-position="90,170" style="background: linear-gradient(135deg, #c57aa3, #af824f);"></box>
-          <box data-algo="splitComplementary" data-num-dots="3" data-position="83,103" style="background: linear-gradient(135deg, #1e90ff, #968a4a);"></box>
-          <box data-algo="analogous" data-num-dots="3" data-position="186,186" style="background: linear-gradient(135deg, #a07a48, #ab80e4);"></box>
-          <box data-algo="float" data-num-dots="1" data-position="196,176" style="background: #7bcbda;"></box>
-          <box data-algo="float" data-num-dots="1" data-position="116,167" style="background: #be9ac9;"></box>
-          <box data-algo="float" data-num-dots="1" data-position="122,110" style="background: #cdcea1;"></box>
-          <box data-algo="float" data-num-dots="1" data-position="181,83" style="background: #6ac593;"></box>
-          <box data-algo="complementary" data-num-dots="2" data-position="82,112" style="background: linear-gradient(135deg, #1e90ff, #cfb179);"></box>
-        </hbox>
-      </hbox>
       <hbox class="zen-theme-picker-gradient">
-        <box id="PanelUI-zen-gradient-generator-rotation-dot"></box>
-        <box id="PanelUI-zen-gradient-generator-rotation-line"></box>
-        <box id="PanelUI-zen-gradient-generator-color-actions">
+        <hbox id="PanelUI-zen-gradient-generator-scheme">
+          <button id="PanelUI-zen-gradient-generator-scheme-auto" class="subviewbutton"/>
+          <button id="PanelUI-zen-gradient-generator-scheme-light" class="subviewbutton"/>
+          <button id="PanelUI-zen-gradient-generator-scheme-dark" class="subviewbutton"/> 
+        </hbox>
+        <hbox id="PanelUI-zen-gradient-generator-color-actions">
           <button id="PanelUI-zen-gradient-generator-color-add" class="subviewbutton">
           </button>
           <button id="PanelUI-zen-gradient-generator-color-remove" class="subviewbutton">
           </button>
-          <html:div class="separator"></html:div>
-          <button id="PanelUI-zen-gradient-generator-color-toggle-algo" class="subviewbutton" data-l10n-id="zen-panel-ui-gradient-generator-algo-floating">
-          </button>
-        </box>
+        </hbox>
         <label data-l10n-id="zen-panel-ui-gradient-click-to-add" id="PanelUI-zen-gradient-generator-color-click-to-add"></label>
       </hbox>
+      <hbox>
+        <toolbarbutton id="PanelUI-zen-gradient-generator-color-page-left" class="toolbarbutton-1" disabled="true" />
+        <hbox id="PanelUI-zen-gradient-generator-color-pages">
+          <hbox>
+            <box data-lightness="90" data-algo="float" data-num-dots="1" data-position="240,240" style="background: #f4efdf;"></box>
+            <box data-lightness="80" data-algo="float" data-num-dots="1" data-position="233,157" style="background: #f0b8cd;"></box>
+            <box data-lightness="80" data-algo="float" data-num-dots="1" data-position="236,111" style="background: #e9c3e3;"></box>
+            <box data-lightness="70" data-algo="float" data-num-dots="1" data-position="234,173" style="background: #da7682;"></box>
+            <box data-lightness="70" data-algo="float" data-num-dots="1" data-position="220,187" style="background: #eb8570;"></box>
+            <box data-lightness="60" data-algo="float" data-num-dots="1" data-position="225,237" style="background: #dcce7f;"></box>
+            <box data-lightness="60" data-algo="float" data-num-dots="1" data-position="147,195" style="background: #5becad;"></box>
+            <box data-lightness="50" data-algo="float" data-num-dots="1" data-position="81,84" style="background: #919bb5;"></box>
+          </hbox>
+          <hbox>
+            <box data-lightness="90" data-algo="analogous" data-num-dots="3" data-position="240,240"
+                style="--c1: rgb(245, 237, 214); --c2: rgb(221, 243, 216); --c3: rgb(243, 216, 225);" />
+            <box data-lightness="85" data-algo="analogous" data-num-dots="3" data-position="233,157"
+                style="--c1: rgb(243, 190, 222); --c2: rgb(247, 222, 186); --c3: rgb(223, 195, 238);" />
+            <box data-lightness="80" data-algo="analogous" data-num-dots="3" data-position="236,111"
+                style="--c1: rgb(229, 179, 228); --c2: rgb(236, 172, 178); --c3: rgb(197, 185, 223);" />
+            <box data-lightness="70" data-algo="analogous" data-num-dots="3" data-position="234,173"
+                style="--c1: rgb(235, 122, 159); --c2: rgb(239, 239, 118); --c3: rgb(210, 133, 224);" />
+            <box data-lightness="70" data-algo="analogous" data-num-dots="3" data-position="220,187"
+                style="--c1: rgb(242, 115, 123); --c2: rgb(175, 242, 115); --c3: rgb(230, 125, 232);" />
+            <box data-lightness="60" data-algo="analogous" data-num-dots="3" data-position="225,237"
+                style="--c1: rgb(221, 205, 85); --c2: rgb(97, 212, 94); --c3: rgb(215, 91, 124);" />
+            <box data-lightness="60" data-algo="analogous" data-num-dots="3" data-position="147,195"
+                style="--c1: rgb(75, 231, 210); --c2: rgb(84, 175, 222); --c3: rgb(62, 244, 112);" />
+            <box data-lightness="55" data-algo="analogous" data-num-dots="3" data-position="81,84"
+                style="--c1: rgb(122, 132, 158); --c2: rgb(137, 117, 164); --c3: rgb(116, 162, 164);" />
+          </hbox>
+          <hbox>
+            <box data-lightness="10" data-algo="float" data-num-dots="1" data-position="171,72" style="background:rgb(93, 86, 106);"></box>
+            <box data-lightness="40" data-algo="float" data-num-dots="1" data-position="265,79" style="background: #997096;"></box>
+            <box data-lightness="35" data-algo="float" data-num-dots="1" data-position="301,176" style="background: #956066;"></box>
+            <box data-lightness="30" data-algo="float" data-num-dots="1" data-position="237,210" style="background: #9c6645;"></box>
+            <box data-lightness="30" data-algo="float" data-num-dots="1" data-position="91,228" style="background: #517b6c;"></box>
+            <box data-lightness="25" data-algo="float" data-num-dots="1" data-position="67,159" style="background: #576e75;"></box>
+            <box data-lightness="20" data-algo="float" data-num-dots="1" data-position="314,235" style="background:rgb(131, 109, 95);"></box>
+            <box data-lightness="20" data-algo="float" data-num-dots="1" data-position="118,215" style="background: #447464;"></box>
+          </hbox>
+          <hbox>
+            <box data-lightness="10" data-algo="analogous" data-num-dots="3" data-position="171,72"
+                style="--c1: rgb(23, 17, 34); --c2: rgb(37, 14, 35); --c3: rgb(18, 22, 33);" />
+            <box data-lightness="40" data-algo="analogous" data-num-dots="3" data-position="265,79"
+                style="--c1: rgb(128, 76, 124); --c2: rgb(141, 63, 66); --c3: rgb(97, 88, 116);" />
+            <box data-lightness="35" data-algo="analogous" data-num-dots="3" data-position="301,176"
+                style="--c1: rgb(122, 56, 64); --c2: rgb(126, 121, 52); --c3: rgb(111, 68, 110);" />
+            <box data-lightness="30" data-algo="analogous" data-num-dots="3" data-position="237,210"
+                style="--c1: rgb(131, 65, 22); --c2: rgb(64, 128, 25); --c3: rgb(122, 31, 91);" />
+            <box data-lightness="30" data-algo="analogous" data-num-dots="3" data-position="91,228"
+                style="--c1: rgb(45, 108, 85); --c2: rgb(52, 85, 101); --c3: rgb(52, 118, 35);" />
+            <box data-lightness="25" data-algo="analogous" data-num-dots="3" data-position="67,159"
+                style="--c1: rgb(45, 74, 83); --c2: rgb(46, 50, 81); --c3: rgb(38, 90, 65);" />
+            <box data-lightness="20" data-algo="analogous" data-num-dots="3" data-position="314,235"
+                style="--c1: rgb(64, 47, 38); --c2: rgb(55, 64, 38); --c3: rgb(59, 43, 52);" />
+            <box data-lightness="20" data-algo="analogous" data-num-dots="3" data-position="118,215"
+                style="--c1: rgb(22, 80, 61); --c2: rgb(26, 60, 76); --c3: rgb(27, 87, 15);" />
+          </hbox>
+        </hbox>
+        <toolbarbutton id="PanelUI-zen-gradient-generator-color-page-right" class="toolbarbutton-1" />
+      </hbox>
       <hbox id="PanelUI-zen-gradient-generator-controls">
         <hbox id="PanelUI-zen-gradient-colors-wrapper">
-          <vbox flex="1">
-            <label data-l10n-id="zen-panel-ui-gradient-generator-opacity-text"></label>
-            <html:input type="range" min="0" max="1" value="0.5" step="0.05" id="PanelUI-zen-gradient-generator-opacity" />
+          <vbox flex="1" id="PanelUI-zen-gradient-opacity-wrapper">
+            <box id="PanelUI-zen-gradient-slider-wave">
+              <svg viewBox="0 -7.605 455 70" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="xMinYMid meet">
+                <path d="M 51.373 27.395 L 419.634 27.395" 
+                      fill="none" 
+                      stroke-linecap="round" 
+                      stroke-linejoin="round" 
+                      style="stroke-width: 8px;"/>
+                <defs>
+                  <linearGradient id="PanelUI-zen-gradient-generator-slider-wave-gradient" x1="0%" y1="0%" x2="100%" y2="0%">
+                    <stop offset="0%" stop-color="light-dark(rgb(90, 90, 90), rgb(161, 161, 161))"/>
+                    <stop offset="0%" stop-color="light-dark(rgb(90, 90, 90), rgba(161, 161, 161))"/>
+                    <stop offset="100%" stop-color="light-dark(rgba(77, 77, 77, 0.5), rgba(161, 161, 161, 0.5))"/>
+                  </linearGradient>
+                </defs>
+              </svg>
+            </box>
+            <html:input type="range" min="0.3" max="0.8" value="0.4" step="0.001" id="PanelUI-zen-gradient-generator-opacity" />
           </vbox>
           <vbox id="PanelUI-zen-gradient-generator-texture-wrapper">
           </vbox>

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

@@ -12,6 +12,7 @@
   <menuitem id="context_zenEditWorkspace" data-l10n-id="zen-workspaces-panel-change-name" command="cmd_zenChangeWorkspaceName"/>
   <menuitem id="context_zenEditWorkspaceIcon" data-l10n-id="zen-workspaces-panel-change-icon" command="cmd_zenChangeWorkspaceIcon"/>
   <menuitem class="zenToolbarThemePicker"
+          id="context_zenChangeWorkspaceTheme"
           data-l10n-id="zen-workspaces-change-theme"
           command="cmd_zenOpenZenThemePicker"/>
   <menu id="context_zenWorkspacesOpenInContainerTab"
@@ -22,8 +23,10 @@
     hide-if-usercontext-disabled="true">
     <menupopup />
   </menu>
+  <menuseparator id="context_zenWorkspacesSeparator"/>
   <menuseparator/>
   <menuitem id="context_zenReorderWorkspaces" data-l10n-id="zen-workspaces-panel-context-reorder" command="cmd_zenReorderWorkspaces"/>
   <menuseparator/>
+  <menuitem data-l10n-id="zen-panel-ui-workspaces-create" command="cmd_zenOpenWorkspaceCreation"/>
   <menuitem id="context_zenDeleteWorkspace" data-l10n-id="zen-workspaces-panel-context-delete" command="cmd_zenCtxDeleteWorkspace"/>
 </menupopup>

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 cebca6d017a0c3fc8eff7a38f987726324789e69..73a24df91bec368f2f27c538b37d57595e18c599 100644
+index bde641f7112adde948707c172b9f18d3635d8ef1..3f430451586904e6be086114ec10f719745093be 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";
@@ -8,13 +8,14 @@ index cebca6d017a0c3fc8eff7a38f987726324789e69..73a24df91bec368f2f27c538b37d5759
  ChromeUtils.defineESModuleGetters(lazy, {
 +  gZenUIMigration: "chrome://browser/content/zen-components/ZenUIMigration.mjs",
    AboutHomeStartupCache: "resource:///modules/AboutHomeStartupCache.sys.mjs",
-   AboutNewTab: "resource:///modules/AboutNewTab.sys.mjs",
    AWToolbarButton: "resource:///modules/aboutwelcome/AWToolbarUtils.sys.mjs",
-@@ -881,6 +882,7 @@ BrowserGlue.prototype = {
+   ASRouter: "resource:///modules/asrouter/ASRouter.sys.mjs",
+@@ -1659,6 +1660,8 @@ BrowserGlue.prototype = {
+     } else if (profileDataVersion < APP_DATA_VERSION) {
+       lazy.ProfileDataUpgrader.upgrade(profileDataVersion, APP_DATA_VERSION);
+     }
++
++    lazy.gZenUIMigration.init(this._isNewProfile);
+   },
  
-     lazy.ProcessHangMonitor.init();
- 
-+    lazy.gZenUIMigration.init(this._isNewProfile, aWindow);
-     // A channel for "remote troubleshooting" code...
-     let channel = new lazy.WebChannel(
-       "remote-troubleshooting",
+   async _showUpgradeDialog() {

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

@@ -1,5 +1,5 @@
 diff --git a/browser/components/customizableui/content/panelUI.js b/browser/components/customizableui/content/panelUI.js
-index 689205034d9df67ff1fe0ebbf4a3481a5f414391..2626b7286deb51f66b6ccbbc32d510139cacb109 100644
+index 689205034d9df67ff1fe0ebbf4a3481a5f414391..2fab7474f1038a7a3cd2f4b4798d59696900cc85 100644
 --- a/browser/components/customizableui/content/panelUI.js
 +++ b/browser/components/customizableui/content/panelUI.js
 @@ -516,8 +516,7 @@ const PanelUI = {
@@ -12,7 +12,20 @@ index 689205034d9df67ff1fe0ebbf4a3481a5f414391..2626b7286deb51f66b6ccbbc32d51013
          .appendChild(tempPanel);
  
        let multiView = document.createXULElement("panelmultiview");
-@@ -959,7 +958,7 @@ const PanelUI = {
+@@ -608,10 +607,12 @@ const PanelUI = {
+     if (hasKids && !this.navbar.hasAttribute("nonemptyoverflow")) {
+       this.navbar.setAttribute("nonemptyoverflow", "true");
+       this.overflowPanel.setAttribute("hasfixeditems", "true");
++      window.document.getElementById("zen-sidebar-top-buttons").setAttribute("nonemptyoverflow", "true");
+     } else if (!hasKids && this.navbar.hasAttribute("nonemptyoverflow")) {
+       PanelMultiView.hidePopup(this.overflowPanel);
+       this.overflowPanel.removeAttribute("hasfixeditems");
+       this.navbar.removeAttribute("nonemptyoverflow");
++      window.document.getElementById("zen-sidebar-top-buttons").removeAttribute("nonemptyoverflow");
+     }
+   },
+ 
+@@ -959,7 +960,7 @@ const PanelUI = {
          el.removeAttribute("data-lazy-l10n-id");
        });
  

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

@@ -1,16 +1,16 @@
 diff --git a/browser/components/extensions/parent/ext-tabs.js b/browser/components/extensions/parent/ext-tabs.js
-index 517ea0079c12941a844a4f9e4ba694c6411887ee..510ab14dfa2178c332c9862d6a01b75bd12dfe3b 100644
+index a53a12f91817a9e3d1773480928e858bc3182c77..10f6559ffb128906be31de220c93320e9a6d40e7 100644
 --- a/browser/components/extensions/parent/ext-tabs.js
 +++ b/browser/components/extensions/parent/ext-tabs.js
-@@ -482,6 +482,7 @@ this.tabs = class extends ExtensionAPIPersistent {
+@@ -494,6 +494,7 @@ this.tabs = class extends ExtensionAPIPersistent {
          }
  
-         let tab = tabManager.getWrapper(event.originalTarget);
+         let tab = tabManager.getWrapper(updatedTab);
 +        if (!tab) return;
  
          let changeInfo = {};
          for (let prop of needed) {
-@@ -836,6 +837,7 @@ this.tabs = class extends ExtensionAPIPersistent {
+@@ -848,6 +849,7 @@ this.tabs = class extends ExtensionAPIPersistent {
                });
              }
  

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

@@ -742,19 +742,13 @@ var gZenWorkspacesSettings = {
     };
     Services.prefs.addObserver('zen.tab-unloader.enabled', tabsUnloaderPrefListener);
     Services.prefs.addObserver('zen.glance.enabled', tabsUnloaderPrefListener); // We can use the same listener for both prefs
-    Services.prefs.addObserver(
-      'zen.workspaces.container-specific-essentials-enabled',
-      tabsUnloaderPrefListener
-    );
+    Services.prefs.addObserver('zen.workspaces.separate-essentials', tabsUnloaderPrefListener);
     Services.prefs.addObserver('zen.glance.activation-method', tabsUnloaderPrefListener);
     window.addEventListener('unload', () => {
       Services.prefs.removeObserver('zen.tab-unloader.enabled', tabsUnloaderPrefListener);
       Services.prefs.removeObserver('zen.glance.enabled', tabsUnloaderPrefListener);
       Services.prefs.removeObserver('zen.glance.activation-method', tabsUnloaderPrefListener);
-      Services.prefs.removeObserver(
-        'zen.workspaces.container-specific-essentials-enabled',
-        tabsUnloaderPrefListener
-      );
+      Services.prefs.removeObserver('zen.workspaces.separate-essentials', tabsUnloaderPrefListener);
     });
   },
 };
@@ -987,7 +981,7 @@ var gZenCKSSettings = {
     let input = document.querySelector(
       `.${ZEN_CKS_INPUT_FIELD_CLASS}[${KEYBIND_ATTRIBUTE_KEY}="${this._currentActionID}"]`
     );
-    const modifiers = new KeyShortcutModifiers(
+    const modifiers = new nsKeyShortcutModifiers(
       event.ctrlKey,
       event.altKey,
       event.shiftKey,
@@ -1153,7 +1147,7 @@ Preferences.addAll([
     default: true,
   },
   {
-    id: 'zen.workspaces.container-specific-essentials-enabled',
+    id: 'zen.workspaces.separate-essentials',
     type: 'bool',
     default: false,
   },

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

@@ -47,7 +47,7 @@
                 preference="zen.pinned-tab-manager.restore-pinned-tabs-to-pinned-url"/>
       <checkbox id="zenPinnedTabContainerSpecificEssentials"
                 data-l10n-id="zen-pinned-tab-manager-container-specific-essentials-enabled"
-                preference="zen.workspaces.container-specific-essentials-enabled"/>
+                preference="zen.workspaces.separate-essentials"/>
 
       <hbox align="center">
             <label id="zenPinnedTabCloseShortcutBehaviorLabel" data-l10n-id="zen-pinned-tab-manager-close-shortcut-behavior-label"/>

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

@@ -1,8 +1,8 @@
 diff --git a/browser/components/sessionstore/SessionStore.sys.mjs b/browser/components/sessionstore/SessionStore.sys.mjs
-index 8c6047e1ada5a22e57e1e665965237c9e22641d7..d3472a36fc99c488f0fd0fa8cb9c6927c24bdc6d 100644
+index be029379c101a0105d4837136e064e6007b67c3e..f998ad44015b05104e8a1dbeebd7b94e586e4fbd 100644
 --- a/browser/components/sessionstore/SessionStore.sys.mjs
 +++ b/browser/components/sessionstore/SessionStore.sys.mjs
-@@ -2088,7 +2088,6 @@ var SessionStoreInternal = {
+@@ -2120,7 +2120,6 @@ var SessionStoreInternal = {
        if (closedWindowState) {
          let newWindowState;
          if (
@@ -10,7 +10,7 @@ index 8c6047e1ada5a22e57e1e665965237c9e22641d7..d3472a36fc99c488f0fd0fa8cb9c6927
            !lazy.SessionStartup.willRestore()
          ) {
            // We want to split the window up into pinned tabs and unpinned tabs.
-@@ -2303,11 +2302,9 @@ var SessionStoreInternal = {
+@@ -2353,11 +2352,9 @@ var SessionStoreInternal = {
            tabbrowser.selectedTab.label;
        }
  
@@ -22,7 +22,7 @@ index 8c6047e1ada5a22e57e1e665965237c9e22641d7..d3472a36fc99c488f0fd0fa8cb9c6927
  
        // Store the window's close date to figure out when each individual tab
        // was closed. This timestamp should allow re-arranging data based on how
-@@ -3216,7 +3213,7 @@ var SessionStoreInternal = {
+@@ -3303,7 +3300,7 @@ var SessionStoreInternal = {
      if (!isPrivateWindow && tabState.isPrivate) {
        return;
      }
@@ -31,7 +31,7 @@ index 8c6047e1ada5a22e57e1e665965237c9e22641d7..d3472a36fc99c488f0fd0fa8cb9c6927
        return;
      }
  
-@@ -3925,6 +3922,11 @@ var SessionStoreInternal = {
+@@ -4012,6 +4009,11 @@ var SessionStoreInternal = {
          Math.min(tabState.index, tabState.entries.length)
        );
        tabState.pinned = false;
@@ -43,15 +43,15 @@ index 8c6047e1ada5a22e57e1e665965237c9e22641d7..d3472a36fc99c488f0fd0fa8cb9c6927
  
        if (inBackground === false) {
          aWindow.gBrowser.selectedTab = newTab;
-@@ -4361,6 +4363,7 @@ var SessionStoreInternal = {
+@@ -4448,6 +4450,7 @@ var SessionStoreInternal = {
        // Append the tab if we're opening into a different window,
-       index: aSource == aTargetWindow ? pos : Infinity,
+       tabIndex: aSource == aTargetWindow ? pos : Infinity,
        pinned: state.pinned,
 +      essential: state.zenEssential,
        userContextId: state.userContextId,
        skipLoad: true,
        preferredRemoteType,
-@@ -5179,7 +5182,7 @@ var SessionStoreInternal = {
+@@ -5303,7 +5306,7 @@ var SessionStoreInternal = {
  
      for (let i = tabbrowser.pinnedTabCount; i < tabbrowser.tabs.length; i++) {
        let tab = tabbrowser.tabs[i];
@@ -60,7 +60,7 @@ index 8c6047e1ada5a22e57e1e665965237c9e22641d7..d3472a36fc99c488f0fd0fa8cb9c6927
          removableTabs.push(tab);
        }
      }
-@@ -5239,7 +5242,7 @@ var SessionStoreInternal = {
+@@ -5363,7 +5366,7 @@ var SessionStoreInternal = {
      }
  
      let workspaceID = aWindow.getWorkspaceID();
@@ -69,7 +69,7 @@ index 8c6047e1ada5a22e57e1e665965237c9e22641d7..d3472a36fc99c488f0fd0fa8cb9c6927
        winData.workspaceID = workspaceID;
      }
    },
-@@ -5430,14 +5433,15 @@ var SessionStoreInternal = {
+@@ -5554,14 +5557,15 @@ var SessionStoreInternal = {
      }
  
      let tabbrowser = aWindow.gBrowser;
@@ -87,7 +87,7 @@ index 8c6047e1ada5a22e57e1e665965237c9e22641d7..d3472a36fc99c488f0fd0fa8cb9c6927
          continue;
        }
        let tabData = lazy.TabState.collect(tab, TAB_CUSTOM_VALUES.get(tab));
-@@ -5456,8 +5460,8 @@ var SessionStoreInternal = {
+@@ -5580,8 +5584,8 @@ var SessionStoreInternal = {
      // We don't store the Firefox View tab in Session Store, so if it was the last selected "tab" when
      // 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).
@@ -98,7 +98,7 @@ index 8c6047e1ada5a22e57e1e665965237c9e22641d7..d3472a36fc99c488f0fd0fa8cb9c6927
        winData.title = tabbrowser.tabs[0].label;
      }
      winData.selected = selectedIndex;
-@@ -5569,8 +5573,8 @@ var SessionStoreInternal = {
+@@ -5693,8 +5697,8 @@ var SessionStoreInternal = {
      // selectTab represents.
      let selectTab = 0;
      if (overwriteTabs) {
@@ -109,7 +109,7 @@ index 8c6047e1ada5a22e57e1e665965237c9e22641d7..d3472a36fc99c488f0fd0fa8cb9c6927
        selectTab = Math.min(selectTab, winData.tabs.length);
      }
  
-@@ -5613,6 +5617,7 @@ var SessionStoreInternal = {
+@@ -5737,6 +5741,7 @@ var SessionStoreInternal = {
          winData.tabs,
          winData.groups ?? []
        );
@@ -117,7 +117,7 @@ index 8c6047e1ada5a22e57e1e665965237c9e22641d7..d3472a36fc99c488f0fd0fa8cb9c6927
        this._log.debug(
          `restoreWindow, createTabsForSessionRestore returned ${tabs.length} tabs`
        );
-@@ -6162,6 +6167,22 @@ var SessionStoreInternal = {
+@@ -6286,6 +6291,22 @@ var SessionStoreInternal = {
  
      // Most of tabData has been restored, now continue with restoring
      // attributes that may trigger external events.

src/browser/components/tabbrowser/content/tab-js.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/tabbrowser/content/tab.js b/browser/components/tabbrowser/content/tab.js
-index f43ab1cf6257ff1a9c9aa522a0180fd9bbfe4036..d9714c46de860243b06af7e8343d36b107efb855 100644
+index 793ba822f087f4d198c9876ed208ff16d8a41e3b..e53ccd748de015997c355d5d37cb38cc73e90f3d 100644
 --- a/browser/components/tabbrowser/content/tab.js
 +++ b/browser/components/tabbrowser/content/tab.js
 @@ -21,6 +21,7 @@
@@ -68,15 +68,15 @@ index f43ab1cf6257ff1a9c9aa522a0180fd9bbfe4036..d9714c46de860243b06af7e8343d36b1
      on_click(event) {
        if (event.button != 0) {
          return;
-@@ -559,6 +568,7 @@
-             telemetrySource: lazy.TabMetrics.METRIC_SOURCE.TAB_STRIP,
-           });
+@@ -561,6 +570,7 @@
+             )
+           );
          } else {
 +          gZenPinnedTabManager._removePinnedAttributes(this, true);
            gBrowser.removeTab(this, {
              animate: true,
              triggeringEvent: event,
-@@ -569,6 +579,14 @@
+@@ -573,6 +583,14 @@
          // (see tabbrowser-tabs 'click' handler).
          gBrowser.tabContainer._blockDblClick = true;
        }
@@ -91,7 +91,7 @@ index f43ab1cf6257ff1a9c9aa522a0180fd9bbfe4036..d9714c46de860243b06af7e8343d36b1
      }
  
      on_dblclick(event) {
-@@ -592,6 +610,8 @@
+@@ -596,6 +614,8 @@
            animate: true,
            triggeringEvent: event,
          });

src/browser/components/tabbrowser/content/tabbrowser-js.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/tabbrowser/content/tabbrowser.js b/browser/components/tabbrowser/content/tabbrowser.js
-index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091a3a87e92 100644
+index 37570c54b06f9cebc46aa232e2d01ac5d330e17a..818b1df6778d9d299b86fefa46bbf1d689d29fdb 100644
 --- a/browser/components/tabbrowser/content/tabbrowser.js
 +++ b/browser/components/tabbrowser/content/tabbrowser.js
 @@ -413,11 +413,41 @@
@@ -9,7 +9,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
 +    get _numVisiblePinTabsWithoutCollapsed() {
 +      let i = 0;
 +      for (let item of this.tabContainer.ariaFocusableItems) {
-+        if (this.isTabGroupLabel(item) && item.closest("zen-folder")?.pinned) {
++        if (this.isTabGroupLabel(item) && item.closest("tab-group")?.pinned) {
 +          i += 1;
 +          continue;
 +        }
@@ -188,7 +188,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        } else {
          aTab.linkedBrowser.browsingContext.hasSiblings = this.tabs.length > 1;
        }
-@@ -2680,6 +2726,8 @@
+@@ -2679,6 +2725,8 @@
          schemelessInput,
          hasValidUserGestureActivation = false,
          textDirectiveUserActivation = false,
@@ -197,7 +197,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        } = {}
      ) {
        // all callers of addTab that pass a params object need to pass
-@@ -2690,6 +2738,12 @@
+@@ -2689,6 +2737,12 @@
          );
        }
  
@@ -210,7 +210,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        if (!UserInteraction.running("browser.tabs.opening", window)) {
          UserInteraction.start("browser.tabs.opening", "initting", window);
        }
-@@ -2753,6 +2807,19 @@
+@@ -2752,6 +2806,19 @@
            noInitialLabel,
            skipBackgroundNotify,
          });
@@ -229,8 +229,8 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
 +        }
          if (insertTab) {
            // Insert the tab into the tab container in the correct position.
-           // For now, we support `index` as an alias for `tabIndex`.
-@@ -2765,6 +2832,7 @@
+           this.#insertTabAtIndex(t, {
+@@ -2760,6 +2827,7 @@
              ownerTab,
              openerTab,
              pinned,
@@ -238,7 +238,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
              bulkOrderedOpen,
              tabGroup: tabGroup ?? openerTab?.group,
            });
-@@ -2783,6 +2851,7 @@
+@@ -2778,6 +2846,7 @@
            openWindowInfo,
            skipLoad,
            triggeringRemoteType,
@@ -246,7 +246,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
          }));
  
          if (focusUrlBar) {
-@@ -2902,6 +2971,12 @@
+@@ -2897,6 +2966,12 @@
          }
        }
  
@@ -259,7 +259,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        // Additionally send pinned tab events
        if (pinned) {
          this._notifyPinnedStatus(t);
-@@ -2990,10 +3065,10 @@
+@@ -2985,10 +3060,10 @@
          isAdoptingGroup = false,
          isUserTriggered = false,
          telemetryUserCreateSource = "unknown",
@@ -271,7 +271,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        }
  
        if (!color) {
-@@ -3014,7 +3089,12 @@
+@@ -3009,7 +3084,12 @@
          label,
          isAdoptingGroup
        );
@@ -285,7 +285,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
          group,
          insertBefore?.group ?? insertBefore
        );
-@@ -3303,6 +3383,7 @@
+@@ -3304,6 +3384,7 @@
          openWindowInfo,
          skipLoad,
          triggeringRemoteType,
@@ -293,7 +293,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        }
      ) {
        // If we don't have a preferred remote type (or it is `NOT_REMOTE`), and
-@@ -3372,6 +3453,7 @@
+@@ -3373,6 +3454,7 @@
            openWindowInfo,
            name,
            skipLoad,
@@ -301,7 +301,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
          });
        }
  
-@@ -3517,7 +3599,9 @@
+@@ -3518,7 +3600,9 @@
        let shouldUpdateForPinnedTabs = false;
        /** @type {Map<TabGroupStateData['id'], TabGroupWorkingData>} */
        let tabGroupWorkingData = new Map();
@@ -312,7 +312,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        for (const tabGroupData of tabGroupDataList) {
          tabGroupWorkingData.set(tabGroupData.id, {
            stateData: tabGroupData,
-@@ -3560,7 +3644,7 @@
+@@ -3561,7 +3645,7 @@
          // Add a new tab if needed.
          if (!tab) {
            let createLazyBrowser =
@@ -321,7 +321,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
  
            let url = "about:blank";
            if (tabData.entries?.length) {
-@@ -3598,7 +3682,8 @@
+@@ -3599,7 +3683,8 @@
              skipLoad: true,
              preferredRemoteType,
            });
@@ -331,7 +331,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
            if (select) {
              tabToSelect = tab;
            }
-@@ -3622,7 +3707,8 @@
+@@ -3623,7 +3708,8 @@
              // needs calling:
              shouldUpdateForPinnedTabs = true;
            }
@@ -341,7 +341,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
            let { groupId } = tabData;
            const tabGroup = tabGroupWorkingData.get(groupId);
            // if a tab refers to a tab group we don't know, skip any group
-@@ -3636,7 +3722,10 @@
+@@ -3637,7 +3723,10 @@
                  tabGroup.stateData.id,
                  tabGroup.stateData.color,
                  tabGroup.stateData.collapsed,
@@ -353,11 +353,11 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
                );
                tabsFragment.appendChild(tabGroup.node);
              }
-@@ -3684,9 +3773,23 @@
+@@ -3685,9 +3774,23 @@
        // to remove the old selected tab.
        if (tabToSelect) {
          let leftoverTab = this.selectedTab;
-+        if (this._hasAlreadyInitializedZenSessionStore) {
++        if (this._hasAlreadyInitializedZenSessionStore || !gZenWorkspaces.workspaceEnabled) {
          this.selectedTab = tabToSelect;
          this.removeTab(leftoverTab);
 +        } else {
@@ -377,7 +377,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
  
        if (tabs.length > 1 || !tabs[0].selected) {
          this._updateTabsAfterInsert();
-@@ -3881,7 +3984,7 @@
+@@ -3882,7 +3985,7 @@
        // Ensure we have an index if one was not provided.
        if (typeof elementIndex != "number" && typeof tabIndex != "number") {
          // Move the new tab after another tab if needed, to the end otherwise.
@@ -386,7 +386,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
          if (
            !bulkOrderedOpen &&
            ((openerTab &&
-@@ -3904,7 +4007,7 @@
+@@ -3905,7 +4008,7 @@
            ) {
              elementIndex = Infinity;
            } else if (previousTab.visible) {
@@ -395,7 +395,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
            } else if (previousTab == FirefoxViewHandler.tab) {
              elementIndex = 0;
            }
-@@ -3932,14 +4035,14 @@
+@@ -3933,14 +4036,14 @@
        }
        // Ensure index is within bounds.
        if (tab.pinned) {
@@ -414,7 +414,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
  
        // Prevent a flash of unstyled content by setting up the tab content
        // and inherited attributes before appending it (see Bug 1592054):
-@@ -3947,7 +4050,7 @@
+@@ -3948,7 +4051,7 @@
  
        this.tabContainer._invalidateCachedTabs();
  
@@ -423,7 +423,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
          if (this.isTab(itemAfter) && itemAfter.group == tabGroup) {
            // Place at the front of, or between tabs in, the same tab group
            this.tabContainer.insertBefore(tab, itemAfter);
-@@ -3980,6 +4083,7 @@
+@@ -3981,6 +4084,7 @@
        if (pinned) {
          this._updateTabBarForPinnedTabs();
        }
@@ -431,17 +431,17 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
  
        TabBarVisibility.update();
      }
-@@ -4268,6 +4372,9 @@
+@@ -4270,6 +4374,9 @@
          return;
        }
  
 +      for (let tab of selectedTabs) {
 +        gZenPinnedTabManager._removePinnedAttributes(tab, true);
 +      }
-       this.removeTabs(selectedTabs, { telemetrySource });
+       this.removeTabs(selectedTabs, { isUserTriggered, telemetrySource });
      }
  
-@@ -4520,6 +4627,7 @@
+@@ -4526,6 +4633,7 @@
          telemetrySource,
        } = {}
      ) {
@@ -449,7 +449,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        // When 'closeWindowWithLastTab' pref is enabled, closing all tabs
        // can be considered equivalent to closing the window.
        if (
-@@ -4604,6 +4712,7 @@
+@@ -4615,6 +4723,7 @@
          if (lastToClose) {
            this.removeTab(lastToClose, aParams);
          }
@@ -457,7 +457,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        } catch (e) {
          console.error(e);
        }
-@@ -4641,6 +4750,12 @@
+@@ -4653,6 +4762,12 @@
          aTab._closeTimeNoAnimTimerId = Glean.browserTabclose.timeNoAnim.start();
        }
  
@@ -470,7 +470,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        // Handle requests for synchronously removing an already
        // asynchronously closing tab.
        if (!animate && aTab.closing) {
-@@ -4655,7 +4770,9 @@
+@@ -4667,7 +4782,9 @@
        // frame created for it (for example, by updating the visually selected
        // state).
        let tabWidth = window.windowUtils.getBoundsWithoutFlushing(aTab).width;
@@ -481,7 +481,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        if (
          !this._beginRemoveTab(aTab, {
            closeWindowFastpath: true,
-@@ -4821,7 +4938,7 @@
+@@ -4835,7 +4952,7 @@
            closeWindowWithLastTab != null
              ? closeWindowWithLastTab
              : !window.toolbar.visible ||
@@ -490,7 +490,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
  
          if (closeWindow) {
            // We've already called beforeunload on all the relevant tabs if we get here,
-@@ -4845,6 +4962,7 @@
+@@ -4859,6 +4976,7 @@
  
          newTab = true;
        }
@@ -498,7 +498,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        aTab._endRemoveArgs = [closeWindow, newTab];
  
        // swapBrowsersAndCloseOther will take care of closing the window without animation.
-@@ -4885,9 +5003,7 @@
+@@ -4899,9 +5017,7 @@
        aTab._mouseleave();
  
        if (newTab) {
@@ -509,7 +509,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        } else {
          TabBarVisibility.update();
        }
-@@ -5016,6 +5132,7 @@
+@@ -5035,6 +5151,7 @@
          this.tabs[i]._tPos = i;
        }
  
@@ -517,7 +517,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        if (!this._windowIsClosing) {
          if (wasPinned) {
            this.tabContainer._positionPinnedTabs();
-@@ -5230,6 +5347,7 @@
+@@ -5249,6 +5366,7 @@
        }
  
        let excludeTabs = new Set(aExcludeTabs);
@@ -525,7 +525,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
  
        // If this tab has a successor, it should be selectable, since
        // hiding or closing a tab removes that tab as a successor.
-@@ -5242,13 +5360,13 @@
+@@ -5261,13 +5379,13 @@
          !excludeTabs.has(aTab.owner) &&
          Services.prefs.getBoolPref("browser.tabs.selectOwnerOnClose")
        ) {
@@ -541,7 +541,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        );
  
        let tab = this.tabContainer.findNextTab(aTab, {
-@@ -5264,7 +5382,7 @@
+@@ -5283,7 +5401,7 @@
        }
  
        if (tab) {
@@ -550,7 +550,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        }
  
        // If no qualifying visible tab was found, see if there is a tab in
-@@ -5285,7 +5403,7 @@
+@@ -5304,7 +5422,7 @@
          });
        }
  
@@ -559,7 +559,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
      }
  
      _blurTab(aTab) {
-@@ -5686,10 +5804,10 @@
+@@ -5701,10 +5819,10 @@
        SessionStore.deleteCustomTabValue(aTab, "hiddenBy");
      }
  
@@ -572,7 +572,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
          aTab.selected ||
          aTab.closing ||
          // Tabs that are sharing the screen, microphone or camera cannot be hidden.
-@@ -5909,7 +6027,7 @@
+@@ -5924,7 +6042,7 @@
       *   `true` if element is a `<tab-group>`
       */
      isTabGroup(element) {
@@ -581,7 +581,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
      }
  
      /**
-@@ -5986,7 +6104,7 @@
+@@ -6001,7 +6119,7 @@
  
        // Don't allow mixing pinned and unpinned tabs.
        if (this.isTab(element) && element.pinned) {
@@ -590,7 +590,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        } else {
          tabIndex = Math.max(tabIndex, this.pinnedTabCount);
        }
-@@ -6012,10 +6130,16 @@
+@@ -6027,10 +6145,16 @@
        this.#handleTabMove(
          element,
          () => {
@@ -609,7 +609,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
            if (neighbor && this.isTab(element) && tabIndex > element._tPos) {
              neighbor.after(element);
            } else {
-@@ -6084,17 +6208,29 @@
+@@ -6099,17 +6223,29 @@
            targetElement = targetElement.group;
          }
        }
@@ -643,7 +643,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
          if (element.pinned && this.tabContainer.verticalMode) {
            return this.tabContainer.verticalPinnedTabsContainer;
          }
-@@ -6154,7 +6290,7 @@
+@@ -6169,7 +6305,7 @@
        if (!this.isTab(aTab)) {
          throw new Error("Can only move a tab into a tab group");
        }
@@ -652,7 +652,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
          return;
        }
        if (aTab.group && aTab.group.id === aGroup.id) {
-@@ -6248,6 +6384,10 @@
+@@ -6263,6 +6399,10 @@
  
        moveActionCallback();
  
@@ -663,7 +663,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
        // Clear tabs cache after moving nodes because the order of tabs may have
        // changed.
        this.tabContainer._invalidateCachedTabs();
-@@ -7145,7 +7285,7 @@
+@@ -7160,7 +7300,7 @@
              // preventDefault(). It will still raise the window if appropriate.
              break;
            }
@@ -672,7 +672,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
            window.focus();
            aEvent.preventDefault();
            break;
-@@ -8044,6 +8184,7 @@
+@@ -8059,6 +8199,7 @@
              aWebProgress.isTopLevel
            ) {
              this.mTab.setAttribute("busy", "true");
@@ -680,7 +680,7 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
              gBrowser._tabAttrModified(this.mTab, ["busy"]);
              this.mTab._notselectedsinceload = !this.mTab.selected;
            }
-@@ -9009,7 +9150,7 @@ var TabContextMenu = {
+@@ -9022,7 +9163,7 @@ var TabContextMenu = {
      );
      contextUnpinSelectedTabs.hidden =
        !this.contextTab.pinned || !this.multiselected;
@@ -689,11 +689,11 @@ index d5aa64842a35c6697263c63fd3a0571b64b01344..478050fd5202b70ee3191471a017e091
      // Move Tab items
      let contextMoveTabOptions = document.getElementById(
        "context_moveTabOptions"
-@@ -9278,6 +9419,7 @@ var TabContextMenu = {
-         telemetrySource: gBrowser.TabMetrics.METRIC_SOURCE.TAB_STRIP,
-       });
+@@ -9298,6 +9439,7 @@ var TabContextMenu = {
+         )
+       );
      } else {
 +      gZenPinnedTabManager._removePinnedAttributes(this.contextTab, true);
        gBrowser.removeTab(this.contextTab, {
          animate: true,
-         telemetrySource: gBrowser.TabMetrics.METRIC_SOURCE.TAB_STRIP,
+         ...gBrowser.TabMetrics.userTriggeredContext(

src/browser/components/tabbrowser/content/tabs-js.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/tabbrowser/content/tabs.js b/browser/components/tabbrowser/content/tabs.js
-index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b53c8dd285 100644
+index 67bba60cfc21b940f263e1eb26b8b5429355660f..9f73966429d8e82bb9ef0af73a996c8cff230eab 100644
 --- a/browser/components/tabbrowser/content/tabs.js
 +++ b/browser/components/tabbrowser/content/tabs.js
 @@ -83,7 +83,7 @@
@@ -46,7 +46,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
            expandGroupOnDrop = true;
          }
        }
-@@ -868,7 +869,7 @@
+@@ -871,7 +872,7 @@
            ? event.screenY - window.screenY - tabOffset
            : event.screenY - window.screenY,
          scrollPos:
@@ -55,7 +55,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
              ? this.verticalPinnedTabsContainer.scrollPosition
              : this.arrowScrollbox.scrollPosition,
          screenX: event.screenX,
-@@ -921,6 +922,10 @@
+@@ -925,6 +926,10 @@
        }
  
        let draggedTab = event.dataTransfer.mozGetDataAt(TAB_DROP_TYPE, 0);
@@ -66,7 +66,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
        if (
          (effects == "move" || effects == "copy") &&
          document == draggedTab.ownerDocument &&
-@@ -1077,6 +1082,18 @@
+@@ -1081,6 +1086,18 @@
  
        this._tabDropIndicator.hidden = true;
        event.stopPropagation();
@@ -85,7 +85,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
        if (draggedTab && dropEffect == "copy") {
          let duplicatedDraggedTab;
          let duplicatedTabs = [];
-@@ -1116,10 +1133,11 @@
+@@ -1120,10 +1137,11 @@
            }
          } else {
            let isPinned = draggedTab.pinned;
@@ -100,23 +100,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
            );
            let size = this.verticalMode ? "height" : "width";
            let screenAxis = this.verticalMode ? "screenY" : "screenX";
-@@ -1135,8 +1153,14 @@
-             (lastMovingTabScreen + tabSize);
- 
-           if (this.verticalMode) {
-+            if (oldTranslateY > 0 && translateOffsetY > tabHeight / 2) {
-+              newTranslateY += tabHeight;
-+            }
-+            if (oldTranslateY < 0 && -translateOffsetY > tabHeight / 2) {
-+              newTranslateY -= tabHeight;
-+            }
-             newTranslateY = Math.min(
--              Math.max(oldTranslateY, firstBound),
-+              Math.max(newTranslateY, firstBound),
-               lastBound
-             );
-           } else {
-@@ -1168,7 +1192,7 @@
+@@ -1172,7 +1190,7 @@
              (oldTranslateX && oldTranslateX != newTranslateX) ||
              (oldTranslateY && oldTranslateY != newTranslateY);
          } else if (this.verticalMode) {
@@ -125,7 +109,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
          } else {
            shouldTranslate &&= oldTranslateX && oldTranslateX != newTranslateX;
          }
-@@ -1337,6 +1361,7 @@
+@@ -1341,6 +1359,7 @@
  
            let nextItem = this.ariaFocusableItems[newIndex];
            let tabGroup = isTab(nextItem) && nextItem.group;
@@ -133,7 +117,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
            gBrowser.loadTabs(urls, {
              inBackground,
              replace,
-@@ -1369,6 +1394,17 @@
+@@ -1373,6 +1392,17 @@
  
        this.finishMoveTogetherSelectedTabs(draggedTab);
        this.finishAnimateTabMove();
@@ -151,7 +135,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
        this.#expandGroupOnDrop(draggedTab);
  
        if (
-@@ -1597,7 +1633,7 @@
+@@ -1601,7 +1631,7 @@
      }
  
      get newTabButton() {
@@ -160,7 +144,15 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
      }
  
      get verticalMode() {
-@@ -1621,29 +1657,54 @@
+@@ -1617,6 +1647,7 @@
+     }
+ 
+     get overflowing() {
++      gZenWorkspaces.updateOverflowingTabs();
+       return this.hasAttribute("overflow");
+     }
+ 
+@@ -1625,29 +1656,54 @@
        if (this.#allTabs) {
          return this.#allTabs;
        }
@@ -223,7 +215,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
      }
  
      /**
-@@ -1698,23 +1759,18 @@
+@@ -1702,23 +1758,18 @@
        }
  
        let elementIndex = 0;
@@ -251,7 +243,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
              let visibleTabsInGroup = child.tabs.filter(tab => tab.visible);
              visibleTabsInGroup.forEach(tab => {
                tab.elementIndex = elementIndex++;
-@@ -1724,10 +1780,7 @@
+@@ -1728,10 +1779,7 @@
          }
        }
  
@@ -263,7 +255,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
  
        return this.#focusableItems;
      }
-@@ -1735,6 +1788,7 @@
+@@ -1739,6 +1787,7 @@
      _invalidateCachedTabs() {
        this.#allTabs = null;
        this._invalidateCachedVisibleTabs();
@@ -271,7 +263,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
      }
  
      _invalidateCachedVisibleTabs() {
-@@ -1749,8 +1803,8 @@
+@@ -1753,8 +1802,8 @@
      #isContainerVerticalPinnedGrid(tab) {
        return (
          this.verticalMode &&
@@ -282,7 +274,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
          !this.expandOnHover
        );
      }
-@@ -1766,7 +1820,7 @@
+@@ -1770,7 +1819,7 @@
  
        if (node == null) {
          // We have a container for non-tab elements at the end of the scrollbox.
@@ -291,7 +283,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
        }
  
        node.before(tab);
-@@ -1861,7 +1915,7 @@
+@@ -1865,7 +1914,7 @@
            // There are separate "new tab" buttons for horizontal tabs toolbar, vertical tabs and
            // for when the tab strip is overflowed (which is shared by vertical and horizontal tabs);
            // Attach the long click popup to all of them.
@@ -300,7 +292,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
            const newTab2 = this.newTabButton;
            const newTabVertical = document.getElementById(
              "vertical-tabs-newtab-button"
-@@ -1956,10 +2010,12 @@
+@@ -1960,10 +2009,12 @@
  
      _handleTabSelect(aInstant) {
        let selectedTab = this.selectedItem;
@@ -313,7 +305,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
        selectedTab._notselectedsinceload = false;
      }
  
-@@ -2132,6 +2188,7 @@
+@@ -2136,6 +2187,7 @@
      }
  
      _positionPinnedTabs() {
@@ -321,7 +313,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
        let tabs = this.visibleTabs;
        let numPinned = gBrowser.pinnedTabCount;
        let absPositionHorizontalTabs =
-@@ -2206,7 +2263,7 @@
+@@ -2210,7 +2262,7 @@
          return;
        }
  
@@ -330,7 +322,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
  
        let directionX = screenX > dragData.animLastScreenX;
        let directionY = screenY > dragData.animLastScreenY;
-@@ -2215,6 +2272,8 @@
+@@ -2219,6 +2271,8 @@
  
        let { width: tabWidth, height: tabHeight } =
          draggedTab.getBoundingClientRect();
@@ -339,7 +331,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
        let shiftSizeX = tabWidth * movingTabs.length;
        let shiftSizeY = tabHeight;
        dragData.tabWidth = tabWidth;
-@@ -2244,7 +2303,7 @@
+@@ -2248,7 +2302,7 @@
        let translateX = screenX - dragData.screenX;
        let translateY = screenY - dragData.screenY;
        translateY +=
@@ -348,7 +340,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
        let firstBoundX = firstTabInRow.screenX - firstMovingTabScreenX;
        let firstBoundY = firstTabInRow.screenY - firstMovingTabScreenY;
        let lastBoundX =
-@@ -2389,12 +2448,16 @@
+@@ -2394,12 +2448,16 @@
  
        this.#clearDragOverCreateGroupTimer();
  
@@ -369,7 +361,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
  
        if (this.#rtlMode) {
          tabs.reverse();
-@@ -2408,7 +2471,7 @@
+@@ -2413,7 +2471,7 @@
        let size = this.verticalMode ? "height" : "width";
        let translateAxis = this.verticalMode ? "translateY" : "translateX";
        let scrollDirection = this.verticalMode ? "scrollTop" : "scrollLeft";
@@ -378,7 +370,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
        let translateX = event.screenX - dragData.screenX;
        let translateY = event.screenY - dragData.screenY;
  
-@@ -2422,12 +2485,21 @@
+@@ -2427,12 +2485,21 @@
        let lastTab = tabs.at(-1);
        let lastMovingTab = movingTabs.at(-1);
        let firstMovingTab = movingTabs[0];
@@ -401,7 +393,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
          translate +=
            this.arrowScrollbox.scrollbox[scrollDirection] - dragData.scrollPos;
        } else if (isPinned && this.verticalMode) {
-@@ -2446,6 +2518,9 @@
+@@ -2451,6 +2518,9 @@
            // Shift the `.tab-group-label-container` to shift the label element.
            item = item.parentElement;
          }
@@ -411,7 +403,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
          item.style.transform = `${translateAxis}(${translate}px)`;
        }
  
-@@ -2583,6 +2658,9 @@
+@@ -2588,6 +2658,9 @@
              break;
            }
            let element = tabs[mid];
@@ -421,18 +413,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
            let elementForSize = isTabGroupLabel(element)
              ? element.parentElement
              : element;
-@@ -2605,6 +2683,10 @@
-       if (!dropElement) {
-         dropElement = this.ariaFocusableItems[oldDropElementIndex];
-       }
-+      if (dropElement?.group?.hasAttribute("split-view-group")) {
-+        // We focus the group label element, not the group itself.
-+        dropElement = dropElement.group.labelElement;
-+      }
-       let newDropElementIndex = dropElement
-         ? dropElement.elementIndex
-         : oldDropElementIndex;
-@@ -2613,7 +2695,7 @@
+@@ -2664,7 +2737,7 @@
        let shouldCreateGroupOnDrop;
        let dropBefore;
        if (dropElement) {
@@ -441,7 +422,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
            ? dropElement.parentElement
            : dropElement;
  
-@@ -2675,12 +2757,12 @@
+@@ -2726,12 +2799,12 @@
          }
        }
  
@@ -453,10 +434,10 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
          // that dropping the tab(s) will create a new tab group.
 -        shouldCreateGroupOnDrop =
 +        shouldCreateGroupOnDrop = false &&
-           dropElement != draggedTab &&
            isTab(dropElement) &&
            !dropElement?.group &&
-@@ -2720,7 +2802,7 @@
+           overlapPercent > dragOverGroupingThreshold;
+@@ -2773,7 +2846,7 @@
                // Dropping right before the tab group.
                dropElement = dropElementGroup;
                colorCode = undefined;
@@ -465,7 +446,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
                // Dropping right after the collapsed tab group.
                dropElement = dropElementGroup;
                colorCode = undefined;
-@@ -2750,7 +2832,7 @@
+@@ -2803,7 +2876,7 @@
        // Shift background tabs to leave a gap where the dragged tab
        // would currently be dropped.
        for (let item of tabs) {
@@ -474,7 +455,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
            continue;
          }
  
-@@ -2759,6 +2841,9 @@
+@@ -2812,6 +2885,9 @@
          if (isTabGroupLabel(item)) {
            // Shift the `.tab-group-label-container` to shift the label element.
            item = item.parentElement;
@@ -484,7 +465,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
          }
          item.style.transform = transform;
        }
-@@ -2811,8 +2896,9 @@
+@@ -2864,8 +2940,9 @@
        );
      }
  
@@ -496,7 +477,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
          return;
        }
  
-@@ -2824,6 +2910,12 @@
+@@ -2877,6 +2954,12 @@
            item = item.parentElement;
          }
          item.style.transform = "";
@@ -509,7 +490,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
          item.removeAttribute("dragover-createGroup");
        }
        this.removeAttribute("movingtab-createGroup");
-@@ -2870,7 +2962,7 @@
+@@ -2923,7 +3006,7 @@
          let postTransitionCleanup = () => {
            movingTab._moveTogetherSelectedTabsData.animate = false;
          };
@@ -518,7 +499,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
            postTransitionCleanup();
          } else {
            let onTransitionEnd = transitionendEvent => {
-@@ -3043,7 +3135,7 @@
+@@ -3096,7 +3179,7 @@
      }
  
      _notifyBackgroundTab(aTab) {
@@ -527,7 +508,7 @@ index 84d633471c89230b981d8a07babef4e0c76c0338..a4101ad4e8aa9745ec807eb0373942b5
          return;
        }
  
-@@ -3169,6 +3261,9 @@
+@@ -3222,6 +3305,9 @@
            return null;
          }
        }

src/browser/extensions/newtab/lib/AboutPreferences-sys-mjs.patch

@@ -1,13 +0,0 @@
-diff --git a/browser/extensions/newtab/lib/AboutPreferences.sys.mjs b/browser/extensions/newtab/lib/AboutPreferences.sys.mjs
-index a325becabddda511204fc5bd2022edc332cdde7c..6bb29b21f1e6c1d6ea3d38d50f01148e0a51f0d7 100644
---- a/browser/extensions/newtab/lib/AboutPreferences.sys.mjs
-+++ b/browser/extensions/newtab/lib/AboutPreferences.sys.mjs
-@@ -52,7 +52,7 @@ const PREFS_BEFORE_SECTIONS = () => [
-       titleString: "home-prefs-shortcuts-header",
-       descString: "home-prefs-shortcuts-description",
-       get nestedPrefs() {
--        return Services.prefs.getBoolPref("browser.topsites.useRemoteSetting")
-+        return Services.prefs.getBoolPref("browser.topsites.useRemoteSetting") && false
-           ? [
-               {
-                 name: "showSponsoredTopSites",

src/browser/themes/shared/preferences/zen-preferences.css

@@ -249,37 +249,6 @@ groupbox h2 {
   }
 }
 
-.zenLooksAndFeelColorOption {
-  width: 60px;
-  height: 60px;
-  border-radius: 50%;
-  background: var(--zen-primary-color);
-  position: relative;
-  overflow: hidden;
-}
-
-.zenLooksAndFeelColorOption::before {
-  content: '';
-  display: block;
-  width: 50%;
-  height: 50%;
-  bottom: 0;
-  left: 0;
-  position: absolute;
-  background: var(--zen-colors-secondary);
-}
-
-.zenLooksAndFeelColorOption::after {
-  content: '';
-  display: block;
-  width: 50%;
-  height: 50%;
-  bottom: 0;
-  right: 0;
-  position: absolute;
-  background: var(--zen-colors-tertiary);
-}
-
 /* Workspace */
 
 #category-zen-tabs-management > .category-icon {
@@ -622,7 +591,9 @@ groupbox h2 {
 #dataCollectionCategory,
 #dataCollectionGroup,
 #websiteAdvertisingCategory,
-#websiteAdvertisingGroup {
+#websiteAdvertisingGroup,
+#webAppearanceGroup,
+#helpButton {
   display: none !important;
 }
 

src/browser/themes/shared/tabbrowser/tabs-css.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/themes/shared/tabbrowser/tabs.css b/browser/themes/shared/tabbrowser/tabs.css
-index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272ede59857 100644
+index d7d9a40e8c473fa3b06f5bbc743e851a392ea8fa..c5b3f015caf666dad800432828a8c615e8353936 100644
 --- a/browser/themes/shared/tabbrowser/tabs.css
 +++ b/browser/themes/shared/tabbrowser/tabs.css
 @@ -19,7 +19,7 @@
@@ -11,16 +11,19 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
    --tab-collapsed-width: calc(var(--tab-collapsed-background-width) + 2 * var(--tab-inner-inline-margin));
    --tab-inner-inline-margin: var(--space-medium);
    --tab-inline-padding: 8px;
-@@ -33,7 +33,7 @@
+@@ -33,9 +33,9 @@
    --tab-block-margin: 4px;
    --tab-icon-end-margin: 5.5px;
    --tab-label-line-height: 1.7;
 -  --tab-loading-fill: #0A84FF;
 +  --tab-loading-fill: var(--zen-primary-color);
    --tab-hover-background-color: color-mix(in srgb, currentColor 11%, transparent);
-   --tab-selected-textcolor: var(--toolbar-color);
+-  --tab-selected-textcolor: var(--toolbar-color);
++  --tab-selected-textcolor: currentColor;
    --tab-selected-bgcolor: var(--toolbar-bgcolor);
-@@ -211,8 +211,7 @@
+   --tab-selected-color-scheme: var(--toolbar-color-scheme);
+   &[lwt-tab-selected="light"] {
+@@ -216,8 +216,7 @@
    }
  
    #tabbrowser-tabs[positionpinnedtabs] > #tabbrowser-arrowscrollbox > &[pinned] {
@@ -30,7 +33,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
    }
  
    #tabbrowser-tabs[movingtab] &:is(:active, [multiselected]) {
-@@ -258,7 +257,6 @@
+@@ -263,7 +262,6 @@
    }
  
    :root:not([uidensity=compact], [sidebar-expand-on-hover]) &[pinned] {
@@ -38,7 +41,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
    }
  
    &:is([selected], [multiselected]) {
-@@ -272,6 +270,7 @@
+@@ -277,6 +275,7 @@
      border-radius: inherit;
      position: relative;
      overflow: hidden;
@@ -46,7 +49,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
  
      &::before {
        position: absolute;
-@@ -459,14 +458,11 @@
+@@ -464,14 +463,11 @@
  .tab-icon-image {
    -moz-context-properties: fill, stroke;
    fill: currentColor;
@@ -62,7 +65,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
        opacity: 0.5;
        /* Fade the favicon out */
        transition-property: filter, opacity;
-@@ -483,10 +479,6 @@
+@@ -488,10 +484,6 @@
    /* stylelint-disable-next-line media-query-no-invalid */
    @media -moz-pref("browser.tabs.fadeOutExplicitlyUnloadedTabs") {
      &[pending][discarded] {
@@ -73,7 +76,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
        opacity: 0.5;
        /* Fade the favicon out */
        transition-property: filter, opacity;
-@@ -559,7 +551,7 @@
+@@ -564,7 +556,7 @@
    z-index: 1; /* Overlay tab title */
  
    #tabbrowser-tabs[orient=vertical] & {
@@ -82,7 +85,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
    }
  
    &[crashed] {
-@@ -567,7 +559,7 @@
+@@ -572,7 +564,7 @@
    }
  
    #tabbrowser-tabs[orient="vertical"]:not([expanded]) &:not([crashed]),
@@ -91,7 +94,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
      &[soundplaying] {
        list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-playing-small.svg");
      }
-@@ -597,7 +589,7 @@
+@@ -602,7 +594,7 @@
        background-image: linear-gradient(var(--audio-overlay-extra-background)),
                          linear-gradient(var(--toolbox-bgcolor));
        -moz-context-properties: fill;
@@ -100,7 +103,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
        color-scheme: var(--tab-selected-color-scheme);
        border-radius: var(--border-radius-circle);
  
-@@ -1365,7 +1357,7 @@ tab-group {
+@@ -1373,7 +1365,7 @@ tab-group {
    }
  }
  
@@ -109,7 +112,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
  #vertical-tabs-newtab-button {
    appearance: none;
    min-height: var(--tab-min-height);
-@@ -1376,7 +1368,7 @@ tab-group {
+@@ -1384,7 +1376,7 @@ tab-group {
    margin-inline: var(--tab-inner-inline-margin);
  
    #tabbrowser-tabs[orient="vertical"]:not([expanded]) & > .toolbarbutton-text {
@@ -118,7 +121,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
    }
  
    &:hover {
-@@ -1400,7 +1392,7 @@ tab-group {
+@@ -1408,7 +1400,7 @@ tab-group {
   * flex container. #tabs-newtab-button is a child of the arrowscrollbox where
   * we don't want a gap (between tabs), so we have to add some margin.
   */
@@ -127,7 +130,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
    margin-block: var(--tab-block-margin);
  }
  
-@@ -1474,8 +1466,6 @@ tab-group {
+@@ -1486,8 +1478,6 @@ tab-group {
    }
  
    :root:not([sidebar-expand-on-hover]) & {
@@ -136,7 +139,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
      /* stylelint-disable-next-line media-query-no-invalid */
      @media not -moz-pref("sidebar.visibility", "expand-on-hover") {
        /* We need these rules to apply at all times when the sidebar.visibility
-@@ -1585,7 +1575,6 @@ tab-group {
+@@ -1605,7 +1595,6 @@ tab-group {
  
    &:not([expanded]) {
      .tabbrowser-tab[pinned] {
@@ -144,7 +147,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
      }
  
      .tab-background {
-@@ -1716,7 +1705,7 @@ tab-group {
+@@ -1736,7 +1725,7 @@ tab-group {
    toolbarbutton:not(#firefox-view-button),
    toolbarpaletteitem:not(#wrapper-firefox-view-button)
  ) ~ #tabbrowser-tabs {
@@ -153,7 +156,7 @@ index 5b9ad123d819c6ef068acd427416957a1d0939fe..543d42dab2d84593f491a5652fcfe272
    padding-inline-start: calc(var(--tab-overflow-pinned-tabs-width) + 2px);
    margin-inline-start: 2px;
  }
-@@ -1750,7 +1739,6 @@ toolbar:not(#TabsToolbar) #firefox-view-button {
+@@ -1770,7 +1759,6 @@ toolbar:not(#TabsToolbar) #firefox-view-button {
    list-style-image: url(chrome://global/skin/icons/plus.svg);
  }
  

src/browser/themes/shared/zen-icons/icons.css

@@ -16,8 +16,7 @@
   border-radius: 100% !important;
 }
 
-#back-button,
-#zen-sidebar-web-panel-back {
+#back-button {
   list-style-image: url('back.svg') !important;
 }
 
@@ -25,19 +24,16 @@
   list-style-image: url('move-tab.svg') !important;
 }
 
-#forward-button,
-#zen-sidebar-web-panel-forward {
+#forward-button {
   list-style-image: url('forward.svg') !important;
 }
 
-#reload-button,
-#zen-sidebar-web-panel-reload {
+#reload-button {
   list-style-image: url('reload.svg') !important;
 }
 
 #stop-button,
 .close-icon,
-#zen-sidebar-web-panel-close,
 #zen-glance-sidebar-close,
 .zen-theme-picker-custom-list-item-remove {
   list-style-image: url('close.svg') !important;
@@ -51,10 +47,6 @@
   list-style-image: url('reload.svg') !important;
 }
 
-#PanelUI-zen-gradient-generator-color-toggle-algo {
-  list-style-image: url('palette.svg');
-}
-
 .tab-reset-button,
 #PanelUI-zen-gradient-generator-color-remove {
   list-style-image: url('unpin.svg') !important;
@@ -105,7 +97,8 @@
   list-style-image: url('chevron.svg') !important;
 }
 
-#zen-rice-share-options .options-header {
+#zen-rice-share-options .options-header,
+#PanelUI-zen-gradient-generator-color-page-right {
   list-style-image: url('arrow-right.svg');
 }
 
@@ -172,6 +165,7 @@
 
 #add-ons-button,
 #appMenu-extensions-themes-button,
+#appMenu-unified-extensions-button,
 #unified-extensions-button {
   list-style-image: url('extension.svg') !important;
 }
@@ -281,8 +275,7 @@
   list-style-image: url('bookmark-star-on-tray.svg') !important;
 }
 
-#home-button,
-#zen-sidebar-web-panel-home {
+#home-button {
   list-style-image: url('home.svg') !important;
 }
 
@@ -405,7 +398,8 @@
   list-style-image: url('expand-sidebar.svg') !important;
 }
 
-.panel-header > .subviewbutton-back {
+.panel-header > .subviewbutton-back,
+#PanelUI-zen-gradient-generator-color-page-left {
   list-style-image: url('arrow-left.svg') !important;
 }
 
@@ -600,11 +594,6 @@
   > #reload-button[displaystop]
   + #stop-button
   > .toolbarbutton-animatable-box
-  > .toolbarbutton-animatable-image,
-#zen-sidebar-web-panel-reload[animate]
-  > #zen-sidebar-web-panel-reload-button[displaystop]
-  + #zen-sidebar-web-panel-stop-button
-  > .toolbarbutton-animatable-box
   > .toolbarbutton-animatable-image {
   background-image: url('reload-to-stop.svg') !important;
 }
@@ -612,10 +601,6 @@
 #stop-reload-button[animate]
   > #reload-button
   > .toolbarbutton-animatable-box
-  > .toolbarbutton-animatable-image,
-#zen-sidebar-web-panel-reload[animate]
-  > #zen-sidebar-web-panel-reload-button
-  > .toolbarbutton-animatable-box
   > .toolbarbutton-animatable-image {
   background-image: url('stop-to-reload.svg') !important;
 }
@@ -775,10 +760,40 @@
   border-radius: var(--tab-border-radius);
 
   &:hover {
-    background: var(--toolbarbutton-active-background);
+    background: var(--toolbarbutton-hover-background);
   }
 
   & image {
     background: transparent !important;
   }
 }
+
+#PanelUI-zen-gradient-generator-scheme-auto {
+  list-style-image: url('sparkles.svg');
+}
+
+@media -moz-pref('zen.view.window.scheme', 2) {
+  #PanelUI-zen-gradient-generator-scheme-auto {
+    background: light-dark(rgba(0, 0, 0, 0.1), rgba(255, 255, 255, 0.1));
+  }
+}
+
+#PanelUI-zen-gradient-generator-scheme-dark {
+  list-style-image: url('moon-stars.svg');
+}
+
+@media -moz-pref('zen.view.window.scheme', 0) {
+  #PanelUI-zen-gradient-generator-scheme-dark {
+    background: light-dark(rgba(0, 0, 0, 0.1), rgba(255, 255, 255, 0.1));
+  }
+}
+
+#PanelUI-zen-gradient-generator-scheme-light {
+  list-style-image: url('face-sun.svg');
+}
+
+@media -moz-pref('zen.view.window.scheme', 1) {
+  #PanelUI-zen-gradient-generator-scheme-light {
+    background: light-dark(rgba(0, 0, 0, 0.1), rgba(255, 255, 255, 0.1));
+  }
+}

src/browser/themes/shared/zen-icons/jar.inc.mn

@@ -35,15 +35,16 @@
   skin/classic/browser/zen-icons/edit-paste.svg                      (../shared/zen-icons/lin/edit-paste.svg) 
   skin/classic/browser/zen-icons/edit-redo.svg                      (../shared/zen-icons/lin/edit-redo.svg) 
   skin/classic/browser/zen-icons/edit-select-all.svg                      (../shared/zen-icons/lin/edit-select-all.svg) 
-  skin/classic/browser/zen-icons/edit.svg                      (../shared/zen-icons/lin/edit.svg) 
   skin/classic/browser/zen-icons/edit-theme.svg                      (../shared/zen-icons/lin/edit-theme.svg) 
   skin/classic/browser/zen-icons/edit-undo.svg                      (../shared/zen-icons/lin/edit-undo.svg) 
+  skin/classic/browser/zen-icons/edit.svg                      (../shared/zen-icons/lin/edit.svg) 
   skin/classic/browser/zen-icons/essential-add.svg                      (../shared/zen-icons/lin/essential-add.svg) 
   skin/classic/browser/zen-icons/essential-remove.svg                      (../shared/zen-icons/lin/essential-remove.svg) 
   skin/classic/browser/zen-icons/expand-sidebar.svg                      (../shared/zen-icons/lin/expand-sidebar.svg) 
+  skin/classic/browser/zen-icons/ext-link.svg                      (../shared/zen-icons/lin/ext-link.svg) 
   skin/classic/browser/zen-icons/extension-blocked.svg                      (../shared/zen-icons/lin/extension-blocked.svg) 
   skin/classic/browser/zen-icons/extension.svg                      (../shared/zen-icons/lin/extension.svg) 
-  skin/classic/browser/zen-icons/ext-link.svg                      (../shared/zen-icons/lin/ext-link.svg) 
+  skin/classic/browser/zen-icons/face-sun.svg                      (../shared/zen-icons/lin/face-sun.svg) 
   skin/classic/browser/zen-icons/firefox.svg                      (../shared/zen-icons/lin/firefox.svg) 
   skin/classic/browser/zen-icons/folder.svg                      (../shared/zen-icons/lin/folder.svg) 
   skin/classic/browser/zen-icons/forget.svg                      (../shared/zen-icons/lin/forget.svg) 
@@ -80,6 +81,7 @@
   skin/classic/browser/zen-icons/microphone-fill.svg                      (../shared/zen-icons/lin/microphone-fill.svg) 
   skin/classic/browser/zen-icons/microphone.svg                      (../shared/zen-icons/lin/microphone.svg) 
   skin/classic/browser/zen-icons/midi.svg                      (../shared/zen-icons/lin/midi.svg) 
+  skin/classic/browser/zen-icons/moon-stars.svg                      (../shared/zen-icons/lin/moon-stars.svg) 
   skin/classic/browser/zen-icons/move-tab.svg                      (../shared/zen-icons/lin/move-tab.svg) 
   skin/classic/browser/zen-icons/new-tab-image.svg                      (../shared/zen-icons/lin/new-tab-image.svg) 
   skin/classic/browser/zen-icons/open.svg                      (../shared/zen-icons/lin/open.svg) 
@@ -95,27 +97,28 @@
   skin/classic/browser/zen-icons/pocket-outline.svg                      (../shared/zen-icons/lin/pocket-outline.svg) 
   skin/classic/browser/zen-icons/popup.svg                      (../shared/zen-icons/lin/popup.svg) 
   skin/classic/browser/zen-icons/print.svg                      (../shared/zen-icons/lin/print.svg) 
-  skin/classic/browser/zen-icons/privateBrowsing.svg                      (../shared/zen-icons/lin/privateBrowsing.svg) 
   skin/classic/browser/zen-icons/private-window.svg                      (../shared/zen-icons/lin/private-window.svg) 
+  skin/classic/browser/zen-icons/privateBrowsing.svg                      (../shared/zen-icons/lin/privateBrowsing.svg) 
   skin/classic/browser/zen-icons/reader-mode.svg                      (../shared/zen-icons/lin/reader-mode.svg) 
-  skin/classic/browser/zen-icons/reload.svg                      (../shared/zen-icons/lin/reload.svg) 
   skin/classic/browser/zen-icons/reload-to-stop.svg                      (../shared/zen-icons/lin/reload-to-stop.svg) 
+  skin/classic/browser/zen-icons/reload.svg                      (../shared/zen-icons/lin/reload.svg) 
   skin/classic/browser/zen-icons/report.svg                      (../shared/zen-icons/lin/report.svg) 
   skin/classic/browser/zen-icons/save.svg                      (../shared/zen-icons/lin/save.svg) 
   skin/classic/browser/zen-icons/screen-blocked.svg                      (../shared/zen-icons/lin/screen-blocked.svg) 
-  skin/classic/browser/zen-icons/screenshot.svg                      (../shared/zen-icons/lin/screenshot.svg) 
   skin/classic/browser/zen-icons/screen.svg                      (../shared/zen-icons/lin/screen.svg) 
+  skin/classic/browser/zen-icons/screenshot.svg                      (../shared/zen-icons/lin/screenshot.svg) 
   skin/classic/browser/zen-icons/search-glass.svg                      (../shared/zen-icons/lin/search-glass.svg) 
   skin/classic/browser/zen-icons/search-page.svg                      (../shared/zen-icons/lin/search-page.svg) 
   skin/classic/browser/zen-icons/security-broken.svg                      (../shared/zen-icons/lin/security-broken.svg) 
-  skin/classic/browser/zen-icons/security.svg                      (../shared/zen-icons/lin/security.svg) 
   skin/classic/browser/zen-icons/security-warning.svg                      (../shared/zen-icons/lin/security-warning.svg) 
+  skin/classic/browser/zen-icons/security.svg                      (../shared/zen-icons/lin/security.svg) 
   skin/classic/browser/zen-icons/send-to-device.svg                      (../shared/zen-icons/lin/send-to-device.svg) 
   skin/classic/browser/zen-icons/settings.svg                      (../shared/zen-icons/lin/settings.svg) 
   skin/classic/browser/zen-icons/share.svg                      (../shared/zen-icons/lin/share.svg) 
-  skin/classic/browser/zen-icons/sidebars-right.svg                      (../shared/zen-icons/lin/sidebars-right.svg) 
   skin/classic/browser/zen-icons/sidebar.svg                      (../shared/zen-icons/lin/sidebar.svg) 
+  skin/classic/browser/zen-icons/sidebars-right.svg                      (../shared/zen-icons/lin/sidebars-right.svg) 
   skin/classic/browser/zen-icons/source-code.svg                      (../shared/zen-icons/lin/source-code.svg) 
+  skin/classic/browser/zen-icons/sparkles.svg                      (../shared/zen-icons/lin/sparkles.svg) 
   skin/classic/browser/zen-icons/spell-check.svg                      (../shared/zen-icons/lin/spell-check.svg) 
   skin/classic/browser/zen-icons/split.svg                      (../shared/zen-icons/lin/split.svg) 
   skin/classic/browser/zen-icons/stop-to-reload.svg                      (../shared/zen-icons/lin/stop-to-reload.svg) 
@@ -174,15 +177,16 @@
   skin/classic/browser/zen-icons/edit-paste.svg                      (../shared/zen-icons/lin/edit-paste.svg) 
   skin/classic/browser/zen-icons/edit-redo.svg                      (../shared/zen-icons/lin/edit-redo.svg) 
   skin/classic/browser/zen-icons/edit-select-all.svg                      (../shared/zen-icons/lin/edit-select-all.svg) 
-  skin/classic/browser/zen-icons/edit.svg                      (../shared/zen-icons/lin/edit.svg) 
   skin/classic/browser/zen-icons/edit-theme.svg                      (../shared/zen-icons/lin/edit-theme.svg) 
   skin/classic/browser/zen-icons/edit-undo.svg                      (../shared/zen-icons/lin/edit-undo.svg) 
+  skin/classic/browser/zen-icons/edit.svg                      (../shared/zen-icons/lin/edit.svg) 
   skin/classic/browser/zen-icons/essential-add.svg                      (../shared/zen-icons/lin/essential-add.svg) 
   skin/classic/browser/zen-icons/essential-remove.svg                      (../shared/zen-icons/lin/essential-remove.svg) 
   skin/classic/browser/zen-icons/expand-sidebar.svg                      (../shared/zen-icons/lin/expand-sidebar.svg) 
+  skin/classic/browser/zen-icons/ext-link.svg                      (../shared/zen-icons/lin/ext-link.svg) 
   skin/classic/browser/zen-icons/extension-blocked.svg                      (../shared/zen-icons/lin/extension-blocked.svg) 
   skin/classic/browser/zen-icons/extension.svg                      (../shared/zen-icons/lin/extension.svg) 
-  skin/classic/browser/zen-icons/ext-link.svg                      (../shared/zen-icons/lin/ext-link.svg) 
+  skin/classic/browser/zen-icons/face-sun.svg                      (../shared/zen-icons/lin/face-sun.svg) 
   skin/classic/browser/zen-icons/firefox.svg                      (../shared/zen-icons/lin/firefox.svg) 
   skin/classic/browser/zen-icons/folder.svg                      (../shared/zen-icons/lin/folder.svg) 
   skin/classic/browser/zen-icons/forget.svg                      (../shared/zen-icons/lin/forget.svg) 
@@ -219,6 +223,7 @@
   skin/classic/browser/zen-icons/microphone-fill.svg                      (../shared/zen-icons/lin/microphone-fill.svg) 
   skin/classic/browser/zen-icons/microphone.svg                      (../shared/zen-icons/lin/microphone.svg) 
   skin/classic/browser/zen-icons/midi.svg                      (../shared/zen-icons/lin/midi.svg) 
+  skin/classic/browser/zen-icons/moon-stars.svg                      (../shared/zen-icons/lin/moon-stars.svg) 
   skin/classic/browser/zen-icons/move-tab.svg                      (../shared/zen-icons/lin/move-tab.svg) 
   skin/classic/browser/zen-icons/new-tab-image.svg                      (../shared/zen-icons/lin/new-tab-image.svg) 
   skin/classic/browser/zen-icons/open.svg                      (../shared/zen-icons/lin/open.svg) 
@@ -234,27 +239,28 @@
   skin/classic/browser/zen-icons/pocket-outline.svg                      (../shared/zen-icons/lin/pocket-outline.svg) 
   skin/classic/browser/zen-icons/popup.svg                      (../shared/zen-icons/lin/popup.svg) 
   skin/classic/browser/zen-icons/print.svg                      (../shared/zen-icons/lin/print.svg) 
-  skin/classic/browser/zen-icons/privateBrowsing.svg                      (../shared/zen-icons/lin/privateBrowsing.svg) 
   skin/classic/browser/zen-icons/private-window.svg                      (../shared/zen-icons/lin/private-window.svg) 
+  skin/classic/browser/zen-icons/privateBrowsing.svg                      (../shared/zen-icons/lin/privateBrowsing.svg) 
   skin/classic/browser/zen-icons/reader-mode.svg                      (../shared/zen-icons/lin/reader-mode.svg) 
-  skin/classic/browser/zen-icons/reload.svg                      (../shared/zen-icons/lin/reload.svg) 
   skin/classic/browser/zen-icons/reload-to-stop.svg                      (../shared/zen-icons/lin/reload-to-stop.svg) 
+  skin/classic/browser/zen-icons/reload.svg                      (../shared/zen-icons/lin/reload.svg) 
   skin/classic/browser/zen-icons/report.svg                      (../shared/zen-icons/lin/report.svg) 
   skin/classic/browser/zen-icons/save.svg                      (../shared/zen-icons/lin/save.svg) 
   skin/classic/browser/zen-icons/screen-blocked.svg                      (../shared/zen-icons/lin/screen-blocked.svg) 
-  skin/classic/browser/zen-icons/screenshot.svg                      (../shared/zen-icons/lin/screenshot.svg) 
   skin/classic/browser/zen-icons/screen.svg                      (../shared/zen-icons/lin/screen.svg) 
+  skin/classic/browser/zen-icons/screenshot.svg                      (../shared/zen-icons/lin/screenshot.svg) 
   skin/classic/browser/zen-icons/search-glass.svg                      (../shared/zen-icons/lin/search-glass.svg) 
   skin/classic/browser/zen-icons/search-page.svg                      (../shared/zen-icons/lin/search-page.svg) 
   skin/classic/browser/zen-icons/security-broken.svg                      (../shared/zen-icons/lin/security-broken.svg) 
-  skin/classic/browser/zen-icons/security.svg                      (../shared/zen-icons/lin/security.svg) 
   skin/classic/browser/zen-icons/security-warning.svg                      (../shared/zen-icons/lin/security-warning.svg) 
+  skin/classic/browser/zen-icons/security.svg                      (../shared/zen-icons/lin/security.svg) 
   skin/classic/browser/zen-icons/send-to-device.svg                      (../shared/zen-icons/lin/send-to-device.svg) 
   skin/classic/browser/zen-icons/settings.svg                      (../shared/zen-icons/lin/settings.svg) 
   skin/classic/browser/zen-icons/share.svg                      (../shared/zen-icons/lin/share.svg) 
-  skin/classic/browser/zen-icons/sidebars-right.svg                      (../shared/zen-icons/lin/sidebars-right.svg) 
   skin/classic/browser/zen-icons/sidebar.svg                      (../shared/zen-icons/lin/sidebar.svg) 
+  skin/classic/browser/zen-icons/sidebars-right.svg                      (../shared/zen-icons/lin/sidebars-right.svg) 
   skin/classic/browser/zen-icons/source-code.svg                      (../shared/zen-icons/lin/source-code.svg) 
+  skin/classic/browser/zen-icons/sparkles.svg                      (../shared/zen-icons/lin/sparkles.svg) 
   skin/classic/browser/zen-icons/spell-check.svg                      (../shared/zen-icons/lin/spell-check.svg) 
   skin/classic/browser/zen-icons/split.svg                      (../shared/zen-icons/lin/split.svg) 
   skin/classic/browser/zen-icons/stop-to-reload.svg                      (../shared/zen-icons/lin/stop-to-reload.svg) 
@@ -313,15 +319,16 @@
   skin/classic/browser/zen-icons/edit-paste.svg                      (../shared/zen-icons/lin/edit-paste.svg) 
   skin/classic/browser/zen-icons/edit-redo.svg                      (../shared/zen-icons/lin/edit-redo.svg) 
   skin/classic/browser/zen-icons/edit-select-all.svg                      (../shared/zen-icons/lin/edit-select-all.svg) 
-  skin/classic/browser/zen-icons/edit.svg                      (../shared/zen-icons/lin/edit.svg) 
   skin/classic/browser/zen-icons/edit-theme.svg                      (../shared/zen-icons/lin/edit-theme.svg) 
   skin/classic/browser/zen-icons/edit-undo.svg                      (../shared/zen-icons/lin/edit-undo.svg) 
+  skin/classic/browser/zen-icons/edit.svg                      (../shared/zen-icons/lin/edit.svg) 
   skin/classic/browser/zen-icons/essential-add.svg                      (../shared/zen-icons/lin/essential-add.svg) 
   skin/classic/browser/zen-icons/essential-remove.svg                      (../shared/zen-icons/lin/essential-remove.svg) 
   skin/classic/browser/zen-icons/expand-sidebar.svg                      (../shared/zen-icons/lin/expand-sidebar.svg) 
+  skin/classic/browser/zen-icons/ext-link.svg                      (../shared/zen-icons/lin/ext-link.svg) 
   skin/classic/browser/zen-icons/extension-blocked.svg                      (../shared/zen-icons/lin/extension-blocked.svg) 
   skin/classic/browser/zen-icons/extension.svg                      (../shared/zen-icons/lin/extension.svg) 
-  skin/classic/browser/zen-icons/ext-link.svg                      (../shared/zen-icons/lin/ext-link.svg) 
+  skin/classic/browser/zen-icons/face-sun.svg                      (../shared/zen-icons/lin/face-sun.svg) 
   skin/classic/browser/zen-icons/firefox.svg                      (../shared/zen-icons/lin/firefox.svg) 
   skin/classic/browser/zen-icons/folder.svg                      (../shared/zen-icons/lin/folder.svg) 
   skin/classic/browser/zen-icons/forget.svg                      (../shared/zen-icons/lin/forget.svg) 
@@ -358,6 +365,7 @@
   skin/classic/browser/zen-icons/microphone-fill.svg                      (../shared/zen-icons/lin/microphone-fill.svg) 
   skin/classic/browser/zen-icons/microphone.svg                      (../shared/zen-icons/lin/microphone.svg) 
   skin/classic/browser/zen-icons/midi.svg                      (../shared/zen-icons/lin/midi.svg) 
+  skin/classic/browser/zen-icons/moon-stars.svg                      (../shared/zen-icons/lin/moon-stars.svg) 
   skin/classic/browser/zen-icons/move-tab.svg                      (../shared/zen-icons/lin/move-tab.svg) 
   skin/classic/browser/zen-icons/new-tab-image.svg                      (../shared/zen-icons/lin/new-tab-image.svg) 
   skin/classic/browser/zen-icons/open.svg                      (../shared/zen-icons/lin/open.svg) 
@@ -373,27 +381,28 @@
   skin/classic/browser/zen-icons/pocket-outline.svg                      (../shared/zen-icons/lin/pocket-outline.svg) 
   skin/classic/browser/zen-icons/popup.svg                      (../shared/zen-icons/lin/popup.svg) 
   skin/classic/browser/zen-icons/print.svg                      (../shared/zen-icons/lin/print.svg) 
-  skin/classic/browser/zen-icons/privateBrowsing.svg                      (../shared/zen-icons/lin/privateBrowsing.svg) 
   skin/classic/browser/zen-icons/private-window.svg                      (../shared/zen-icons/lin/private-window.svg) 
+  skin/classic/browser/zen-icons/privateBrowsing.svg                      (../shared/zen-icons/lin/privateBrowsing.svg) 
   skin/classic/browser/zen-icons/reader-mode.svg                      (../shared/zen-icons/lin/reader-mode.svg) 
-  skin/classic/browser/zen-icons/reload.svg                      (../shared/zen-icons/lin/reload.svg) 
   skin/classic/browser/zen-icons/reload-to-stop.svg                      (../shared/zen-icons/lin/reload-to-stop.svg) 
+  skin/classic/browser/zen-icons/reload.svg                      (../shared/zen-icons/lin/reload.svg) 
   skin/classic/browser/zen-icons/report.svg                      (../shared/zen-icons/lin/report.svg) 
   skin/classic/browser/zen-icons/save.svg                      (../shared/zen-icons/lin/save.svg) 
   skin/classic/browser/zen-icons/screen-blocked.svg                      (../shared/zen-icons/lin/screen-blocked.svg) 
-  skin/classic/browser/zen-icons/screenshot.svg                      (../shared/zen-icons/lin/screenshot.svg) 
   skin/classic/browser/zen-icons/screen.svg                      (../shared/zen-icons/lin/screen.svg) 
+  skin/classic/browser/zen-icons/screenshot.svg                      (../shared/zen-icons/lin/screenshot.svg) 
   skin/classic/browser/zen-icons/search-glass.svg                      (../shared/zen-icons/lin/search-glass.svg) 
   skin/classic/browser/zen-icons/search-page.svg                      (../shared/zen-icons/lin/search-page.svg) 
   skin/classic/browser/zen-icons/security-broken.svg                      (../shared/zen-icons/lin/security-broken.svg) 
-  skin/classic/browser/zen-icons/security.svg                      (../shared/zen-icons/lin/security.svg) 
   skin/classic/browser/zen-icons/security-warning.svg                      (../shared/zen-icons/lin/security-warning.svg) 
+  skin/classic/browser/zen-icons/security.svg                      (../shared/zen-icons/lin/security.svg) 
   skin/classic/browser/zen-icons/send-to-device.svg                      (../shared/zen-icons/lin/send-to-device.svg) 
   skin/classic/browser/zen-icons/settings.svg                      (../shared/zen-icons/lin/settings.svg) 
   skin/classic/browser/zen-icons/share.svg                      (../shared/zen-icons/lin/share.svg) 
-  skin/classic/browser/zen-icons/sidebars-right.svg                      (../shared/zen-icons/lin/sidebars-right.svg) 
   skin/classic/browser/zen-icons/sidebar.svg                      (../shared/zen-icons/lin/sidebar.svg) 
+  skin/classic/browser/zen-icons/sidebars-right.svg                      (../shared/zen-icons/lin/sidebars-right.svg) 
   skin/classic/browser/zen-icons/source-code.svg                      (../shared/zen-icons/lin/source-code.svg) 
+  skin/classic/browser/zen-icons/sparkles.svg                      (../shared/zen-icons/lin/sparkles.svg) 
   skin/classic/browser/zen-icons/spell-check.svg                      (../shared/zen-icons/lin/spell-check.svg) 
   skin/classic/browser/zen-icons/split.svg                      (../shared/zen-icons/lin/split.svg) 
   skin/classic/browser/zen-icons/stop-to-reload.svg                      (../shared/zen-icons/lin/stop-to-reload.svg) 

src/browser/themes/shared/zen-icons/lin/face-sun.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="18px" height="18px" viewBox="0 0 18 18"><path d="M17.25,8.25h-1.292c-.146-1.369-.69-2.619-1.512-3.637l1.583-1.583c.293-.293,.293-.768,0-1.061s-.767-.294-1.061,0l-1.583,1.583c-1.018-.821-2.268-1.365-3.636-1.511V.75c0-.414-.336-.75-.75-.75s-.75,.336-.75,.75v1.292c-1.368,.146-2.618,.69-3.636,1.511l-1.583-1.583c-.293-.293-.768-.293-1.061,0s-.293,.768,0,1.061l1.583,1.583c-.821,1.018-1.365,2.268-1.511,3.637H.75c-.414,0-.75,.336-.75,.75s.336,.75,.75,.75h1.292c.146,1.369,.69,2.619,1.511,3.637l-1.583,1.583c-.293,.293-.293,.768,0,1.061,.146,.146,.338,.22,.53,.22,.191,0,.384-.073,.53-.22l1.583-1.583c1.018,.821,2.268,1.365,3.636,1.511v1.292c0,.414,.336,.75,.75,.75s.75-.336,.75-.75v-1.292c1.368-.146,2.618-.69,3.636-1.511l1.583,1.583c.146,.146,.338,.22,.53,.22s.384-.073,.53-.22c.293-.293,.293-.768,0-1.061l-1.583-1.583c.821-1.018,1.365-2.268,1.512-3.637h1.292c.414,0,.75-.336,.75-.75s-.336-.75-.75-.75Zm-11.25,1.75c-.552,0-1-.448-1-1s.448-1,1-1,1,.448,1,1-.448,1-1,1Zm3,2c-.828,0-1.5-.672-1.5-1.5,0-.276,.224-.5,.5-.5h2c.276,0,.5,.224,.5,.5,0,.828-.672,1.5-1.5,1.5Zm2-3c0-.552,.448-1,1-1s1,.448,1,1-.448,1-1,1-1-.448-1-1Z" fill="currentColor"></path></svg>

src/browser/themes/shared/zen-icons/lin/moon-stars.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="18px" height="18px" viewBox="0 0 18 18"><path d="M16.705,10.223c-.246-.183-.578-.197-.838-.037-.868,.532-1.859,.813-2.867,.813-3.033,0-5.5-2.467-5.5-5.5,0-1.146,.354-2.247,1.023-3.186,.177-.249,.186-.581,.021-.839-.164-.258-.467-.386-.77-.334C3.994,1.847,1.25,5.152,1.25,9c0,4.411,3.589,8,8,8,3.638,0,6.819-2.461,7.735-5.986,.077-.296-.034-.609-.28-.791Z" fill="currentColor"></path><path d="M12.743,4.492l-.946-.315-.316-.947c-.102-.306-.609-.306-.711,0l-.316,.947-.946,.315c-.153,.051-.257,.194-.257,.356s.104,.305,.257,.356l.946,.315,.316,.947c.051,.153,.194,.256,.355,.256s.305-.104,.355-.256l.316-.947,.946-.315c.153-.051,.257-.194,.257-.356s-.104-.305-.257-.356Z" fill="currentColor" data-color="color-2"></path><circle cx="14.25" cy="7.75" r=".75" fill="currentColor" data-color="color-2"></circle></svg>

src/browser/themes/shared/zen-icons/lin/sparkles.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="18px" height="18px" viewBox="0 0 18 18"><path d="M3.025,5.623c.068,.204,.26,.342,.475,.342s.406-.138,.475-.342l.421-1.263,1.263-.421c.204-.068,.342-.259,.342-.474s-.138-.406-.342-.474l-1.263-.421-.421-1.263c-.137-.408-.812-.408-.949,0l-.421,1.263-1.263,.421c-.204,.068-.342,.259-.342,.474s.138,.406,.342,.474l1.263,.421,.421,1.263Z" fill="currentColor" data-color="color-2"></path><path d="M16.525,8.803l-4.535-1.793-1.793-4.535c-.227-.572-1.168-.572-1.395,0l-1.793,4.535-4.535,1.793c-.286,.113-.475,.39-.475,.697s.188,.584,.475,.697l4.535,1.793,1.793,4.535c.113,.286,.39,.474,.697,.474s.584-.188,.697-.474l1.793-4.535,4.535-1.793c.286-.113,.475-.39,.475-.697s-.188-.584-.475-.697Z" fill="currentColor"></path></svg>

src/dom/base/Document-cpp.patch

@@ -0,0 +1,20 @@
+diff --git a/dom/base/Document.cpp b/dom/base/Document.cpp
+index a16bef739fcde0f14ba7e53e0acfa3aa2ee1dd3a..f928c0f1df4e86bd344ab7e57dab112234fb92e8 100644
+--- a/dom/base/Document.cpp
++++ b/dom/base/Document.cpp
+@@ -3332,6 +3332,15 @@ void Document::FillStyleSetUserAndUASheets() {
+ 
+   ServoStyleSet& styleSet = EnsureStyleSet();
+   for (StyleSheet* sheet : *sheetService->UserStyleSheets()) {
++    // If the url starts with "file://" and ends with 'zen-themes.css', then
++    // skip it if the document is not in a chrome docshell.
++    // This is to avoid loading the user chrome stylesheet in the content
++    // process, which is not allowed.
++    auto spec = sheet->GetSheetURI()->GetSpecOrDefault();
++    if (!IsInChromeDocShell() && StringBeginsWith(spec, "file://"_ns) &&
++        StringEndsWith(spec, "zen-themes.css"_ns)) {
++      continue;
++    }
+     styleSet.AppendStyleSheet(*sheet);
+   }
+ 

src/firefox-patches/ff139-sandbox-missing-header.patch

@@ -1,32 +0,0 @@
-
-# HG changeset patch
-# User Julian Descottes <jdescottes@mozilla.com>
-# Date 1744201993 0
-# Node ID 2e2d932d75c44447af89224be5e4324dc080c447
-# Parent  9f134a1b1a884a857c59517ba0e8f3603e4009dd
-Bug 1959377 - Include vector in mac/Sandbox.h to fix build on macos 15.4 r=emilio
-
-Differential Revision: https://phabricator.services.mozilla.com/D244870
-
-diff --git a/security/sandbox/mac/Sandbox.h b/security/sandbox/mac/Sandbox.h
---- a/security/sandbox/mac/Sandbox.h
-+++ b/security/sandbox/mac/Sandbox.h
-@@ -2,16 +2,17 @@
- /* 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/. */
- 
- #ifndef mozilla_Sandbox_h
- #define mozilla_Sandbox_h
- 
- #include <string>
-+#include <vector>
- #include "mozilla/ipc/UtilityProcessSandboxing.h"
- 
- enum MacSandboxType {
-   MacSandboxType_Default = 0,
-   MacSandboxType_Content,
-   MacSandboxType_GMP,
-   MacSandboxType_RDD,
-   MacSandboxType_Socket,
-

src/firefox-patches/ff141-gradienth-dithering.patch

@@ -0,0 +1,97 @@
+diff --git a/gfx/wr/swgl/build.rs b/gfx/wr/swgl/build.rs
+--- a/gfx/wr/swgl/build.rs
++++ b/gfx/wr/swgl/build.rs
+@@ -147,10 +147,11 @@
+     let shader_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap() + "/../webrender/res";
+ 
+     let shader_flags = ShaderFeatureFlags::GL
+         | ShaderFeatureFlags::DUAL_SOURCE_BLENDING
+         | ShaderFeatureFlags::ADVANCED_BLEND_EQUATION
++        | ShaderFeatureFlags::DITHERING
+         | ShaderFeatureFlags::DEBUG;
+     let mut shaders: Vec<String> = Vec::new();
+     for (name, features) in get_shader_features(shader_flags) {
+         shaders.extend(features.iter().map(|f| {
+             if f.is_empty() {
+diff --git a/gfx/wr/webrender/res/brush_linear_gradient.glsl b/gfx/wr/webrender/res/brush_linear_gradient.glsl
+--- a/gfx/wr/webrender/res/brush_linear_gradient.glsl
++++ b/gfx/wr/webrender/res/brush_linear_gradient.glsl
+@@ -79,17 +79,23 @@
+ 
+     return Fragment(color);
+ }
+ 
+ #ifdef SWGL_DRAW_SPAN
++#ifdef WR_FEATURE_DITHERING
++void swgl_drawSpanRGBA8() {
++    return;
++}
++#else
+ void swgl_drawSpanRGBA8() {
+     int address = swgl_validateGradient(sGpuBufferF, get_gpu_buffer_uv(v_gradient_address.x), int(GRADIENT_ENTRIES + 2.0));
+     if (address < 0) {
+         return;
+     }
+ 
+     swgl_commitLinearGradientRGBA8(sGpuBufferF, address, GRADIENT_ENTRIES, true, v_gradient_repeat.x != 0.0,
+                                    v_pos, v_scale_dir, v_start_offset.x);
+ }
+ #endif
++#endif
+ 
+ #endif
+diff --git a/gfx/wr/webrender/src/renderer/init.rs b/gfx/wr/webrender/src/renderer/init.rs
+--- a/gfx/wr/webrender/src/renderer/init.rs
++++ b/gfx/wr/webrender/src/renderer/init.rs
+@@ -222,11 +222,11 @@
+     fn default() -> Self {
+         WebRenderOptions {
+             resource_override_path: None,
+             use_optimized_shaders: false,
+             enable_aa: true,
+-            enable_dithering: false,
++            enable_dithering: true,
+             debug_flags: DebugFlags::empty(),
+             max_recorded_profiles: 0,
+             precache_flags: ShaderPrecacheFlags::empty(),
+             enable_subpixel_aa: false,
+             clear_color: ColorF::new(1.0, 1.0, 1.0, 1.0),
+--- a/gfx/wr/webrender/build.rs
++++ b/gfx/wr/webrender/build.rs
+@@ -150,11 +150,10 @@
+         ) {
+             flags.remove(ShaderFeatureFlags::TEXTURE_EXTERNAL_ESSL1);
+         }
+         // The optimizer cannot handle the required EXT_YUV_target extension
+         flags.remove(ShaderFeatureFlags::TEXTURE_EXTERNAL_BT709);
+-        flags.remove(ShaderFeatureFlags::DITHERING);
+ 
+         for (shader_name, configs) in get_shader_features(flags) {
+             for config in configs {
+                 shaders.push(ShaderOptimizationInput {
+                     shader_name,
+diff --git a/gfx/wr/webrender/res/shared.glsl b/gfx/wr/webrender/res/shared.glsl
+index f9c093f8486dbd481f2520762f80ace257c294f6..904f9991e917423e11563d862bbd185725523573 100644
+--- a/gfx/wr/webrender/res/shared.glsl
++++ b/gfx/wr/webrender/res/shared.glsl
+@@ -226,6 +226,7 @@ uniform __samplerExternal2DY2YEXT sColor1;
+ uniform __samplerExternal2DY2YEXT sColor2;
+ #endif
+ 
++#define WR_FEATURE_DITHERING
+ #ifdef WR_FEATURE_DITHERING
+ uniform sampler2D sDither;
+ #endif
+diff --git a/gfx/wr/webrender/res/gradient.glsl b/gfx/wr/webrender/res/gradient.glsl
+index 6ed2e6987135e04a70fcc908c089bf225ffdb255..09a4acdf3f53a53e123510fdc5aea8b9b8c4d91e 100644
+--- a/gfx/wr/webrender/res/gradient.glsl
++++ b/gfx/wr/webrender/res/gradient.glsl
+@@ -11,6 +11,7 @@ flat varying mediump vec2 v_gradient_repeat;
+ 
+ #ifdef WR_FRAGMENT_SHADER
+ 
++#define WR_FEATURE_DITHERING
+ #ifdef WR_FEATURE_DITHERING
+ vec4 dither(vec4 color) {
+     const int matrix_mask = 7;
+

src/layout/base/nsStyleSheetService-h.patch

@@ -0,0 +1,13 @@
+diff --git a/layout/base/nsStyleSheetService.h b/layout/base/nsStyleSheetService.h
+index 8c49b338bf8e6830874ace9a08e8c0713167ee58..53a48129b2b6b2adf15e0fe17da14c3b16577966 100644
+--- a/layout/base/nsStyleSheetService.h
++++ b/layout/base/nsStyleSheetService.h
+@@ -50,6 +50,8 @@ class nsStyleSheetService final : public nsIStyleSheetService,
+ 
+   size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+ 
++  void UpdateZenModStyles(mozilla::StyleSheet* aSheet, nsIURI* aURI, bool aInsert);
++
+   static nsStyleSheetService* GetInstance();
+   static nsStyleSheetService* gInstance;
+ 

src/modules/libpref/init/zen-static-prefs.inc

@@ -16,3 +16,8 @@
   type: bool
   value: true
   mirror: always
+
+- name: zen.swipe.is-fast-swipe
+  type: bool
+  value: true
+  mirror: always

src/security/mac/hardenedruntime/production/firefox-browser-xml.patch

@@ -1,7 +1,7 @@
-diff --git a/security/mac/hardenedruntime/v2/production/firefox.browser.xml b/security/mac/hardenedruntime/v2/production/firefox.browser.xml
+diff --git a/security/mac/hardenedruntime/production/firefox.browser.xml b/security/mac/hardenedruntime/production/firefox.browser.xml
 index abbf33e9d2b3c9d1e0a34bd46e7cd289c435533b..d580b156fed13f4de8eb73e5c29c646a7a22a1d2 100644
---- a/security/mac/hardenedruntime/v2/production/firefox.browser.xml
-+++ b/security/mac/hardenedruntime/v2/production/firefox.browser.xml
+--- a/security/mac/hardenedruntime/production/firefox.browser.xml
++++ b/security/mac/hardenedruntime/production/firefox.browser.xml
 @@ -26,7 +26,7 @@
  
      <!-- Required for com.apple.developer.web-browser.public-key-credential -->

src/servo/components/style/gecko/media_features-rs.patch

@@ -1,5 +1,5 @@
 diff --git a/servo/components/style/gecko/media_features.rs b/servo/components/style/gecko/media_features.rs
-index cc24406e22f536733b07a9398580a8719b61e134..214f238b38377a8480711ea2d0ec30e99800bb5c 100644
+index c66f1e26b22a6eeb2192d531e365ba34a61e220d..097ffce888ee0e180cc06448ea34860e6a467a2a 100644
 --- a/servo/components/style/gecko/media_features.rs
 +++ b/servo/components/style/gecko/media_features.rs
 @@ -13,6 +13,9 @@ use crate::values::computed::{CSSPixelLength, Context, Ratio, Resolution};
@@ -12,7 +12,7 @@ index cc24406e22f536733b07a9398580a8719b61e134..214f238b38377a8480711ea2d0ec30e9
  
  fn device_size(device: &Device) -> Size2D<Au> {
      let mut width = 0;
-@@ -606,6 +609,13 @@ fn eval_moz_overlay_scrollbars(context: &Context) -> bool {
+@@ -610,6 +613,13 @@ fn eval_moz_overlay_scrollbars(context: &Context) -> bool {
      unsafe { bindings::Gecko_MediaFeatures_UseOverlayScrollbars(context.device().document()) }
  }
  
@@ -26,16 +26,16 @@ index cc24406e22f536733b07a9398580a8719b61e134..214f238b38377a8480711ea2d0ec30e9
  fn get_lnf_int(int_id: i32) -> i32 {
      unsafe { bindings::Gecko_GetLookAndFeelInt(int_id) }
  }
-@@ -653,7 +663,7 @@ macro_rules! lnf_int_feature {
+@@ -657,7 +667,7 @@ macro_rules! lnf_int_feature {
  /// to support new types in these entries and (2) ensuring that either
  /// nsPresContext::MediaFeatureValuesChanged is called when the value that
  /// would be returned by the evaluator function could change.
--pub static MEDIA_FEATURES: [QueryFeatureDescription; 61] = [
-+pub static MEDIA_FEATURES: [QueryFeatureDescription; 62] = [
+-pub static MEDIA_FEATURES: [QueryFeatureDescription; 62] = [
++pub static MEDIA_FEATURES: [QueryFeatureDescription; 63] = [
      feature!(
          atom!("width"),
          AllowsRanges::Yes,
-@@ -918,6 +928,12 @@ pub static MEDIA_FEATURES: [QueryFeatureDescription; 61] = [
+@@ -928,6 +938,12 @@ pub static MEDIA_FEATURES: [QueryFeatureDescription; 62] = [
          Evaluator::BoolInteger(eval_moz_overlay_scrollbars),
          FeatureFlags::CHROME_AND_UA_ONLY,
      ),

src/testing/profiles/mochitest/user-js.patch

@@ -1,8 +1,8 @@
 diff --git a/testing/profiles/mochitest/user.js b/testing/profiles/mochitest/user.js
-index a4068ac3f61161d014c49d54ae7a3bf886868f1b..6af5907abb46b6d3b871c159c73eec8373ee8ef5 100644
+index a4068ac3f61161d014c49d54ae7a3bf886868f1b..b9861cfaae19a4a71b75ccc73095dc602df22b12 100644
 --- a/testing/profiles/mochitest/user.js
 +++ b/testing/profiles/mochitest/user.js
-@@ -41,3 +41,10 @@ user_pref("places.history.floodingPrevention.enabled", false);
+@@ -41,3 +41,9 @@ user_pref("places.history.floodingPrevention.enabled", false);
  // permission, and we can open it and wait for the user to give permission, then
  // don't do that.
  user_pref("geo.prompt.open_system_prefs", false);
@@ -12,4 +12,3 @@ index a4068ac3f61161d014c49d54ae7a3bf886868f1b..6af5907abb46b6d3b871c159c73eec83
 +user_pref("zen.watermark.enabled", false);
 +user_pref("zen.urlbar.replace-newtab", false);
 +user_pref("zen.testing.enabled", true);
-+user_pref("dom.security.https_only_mode", false); // Dont ask why

src/testing/profiles/profileserver/user-js.patch

@@ -1,8 +1,8 @@
 diff --git a/testing/profiles/profileserver/user.js b/testing/profiles/profileserver/user.js
-index 19ff7d474f6d22d2d386764e2e6942ce6a324470..531446847039fd683af52ac7fdfd601bea3cb624 100644
+index 19ff7d474f6d22d2d386764e2e6942ce6a324470..75ec03c0d6a2f12986eb434f4b9b5350e1af37fd 100644
 --- a/testing/profiles/profileserver/user.js
 +++ b/testing/profiles/profileserver/user.js
-@@ -8,3 +8,13 @@
+@@ -8,3 +8,12 @@
  user_pref("dom.timeout.enable_budget_timer_throttling", false);
  // Turn off update
  user_pref("app.update.disabledForTesting", true);
@@ -15,4 +15,3 @@ index 19ff7d474f6d22d2d386764e2e6942ce6a324470..531446847039fd683af52ac7fdfd601b
 +user_pref("zen.urlbar.replace-newtab", false);
 +user_pref("zen.testing.enabled", true);
 +user_pref("zen.testing.profiling.enabled", true);
-+user_pref("dom.security.https_only_mode", false); // Dont ask why

src/toolkit/content/widgets/browser-custom-element-js.patch

@@ -1,18 +0,0 @@
-diff --git a/toolkit/content/widgets/browser-custom-element.js b/toolkit/content/widgets/browser-custom-element.js
-index a531577a29212cdb9e745b88e17fe4177be76635..ae976ecef71d0d659fa6a1d6fea60f5270073544 100644
---- a/toolkit/content/widgets/browser-custom-element.js
-+++ b/toolkit/content/widgets/browser-custom-element.js
-@@ -556,11 +556,11 @@
-       if (!this.browsingContext) {
-         return;
-       }
--      this.browsingContext.isActive = val;
-+      this.browsingContext.isActive = val || this.zenModeActive;
-       if (this.isRemoteBrowser) {
-         let remoteTab = this.frameLoader?.remoteTab;
-         if (remoteTab) {
--          remoteTab.renderLayers = val;
-+          remoteTab.renderLayers = val || this.zenModeActive;
-         }
-       }
-     }

src/toolkit/content/widgets/browser-custom-element-mjs.patch

@@ -0,0 +1,18 @@
+diff --git a/toolkit/content/widgets/browser-custom-element.mjs b/toolkit/content/widgets/browser-custom-element.mjs
+index 8eeea2a403ba2007a1a1e6074bb982b24f40fef5..29bae869dfd8c9df6039b3c9b8b1603092e517ea 100644
+--- a/toolkit/content/widgets/browser-custom-element.mjs
++++ b/toolkit/content/widgets/browser-custom-element.mjs
+@@ -482,11 +482,11 @@ class MozBrowser extends MozElements.MozElementMixin(XULFrameElement) {
+     if (!this.browsingContext) {
+       return;
+     }
+-    this.browsingContext.isActive = val;
++    this.browsingContext.isActive = val || this.zenModeActive;
+     if (this.isRemoteBrowser) {
+       let remoteTab = this.frameLoader?.remoteTab;
+       if (remoteTab) {
+-        remoteTab.renderLayers = val;
++        remoteTab.renderLayers = val || this.zenModeActive;
+       }
+     }
+   }

src/toolkit/modules/LightweightThemeConsumer-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/toolkit/modules/LightweightThemeConsumer.sys.mjs b/toolkit/modules/LightweightThemeConsumer.sys.mjs
-index d8c79cbae4de3ebfc5dc62f3597c7be4965a5429..4398108bd6d74aa8b6689baaf5334d8ba9a26c4e 100644
+index fe01b25c520d1be71224b136b1ce46e9577e11a1..e5501590f3695ed4c2e19be5c104958b497c886e 100644
 --- a/toolkit/modules/LightweightThemeConsumer.sys.mjs
 +++ b/toolkit/modules/LightweightThemeConsumer.sys.mjs
 @@ -31,7 +31,7 @@ const toolkitVariableMap = [
@@ -11,3 +11,12 @@ index d8c79cbae4de3ebfc5dc62f3597c7be4965a5429..4398108bd6d74aa8b6689baaf5334d8b
          }
          // Remove the alpha channel
          const { r, g, b } = rgbaChannels;
+@@ -317,7 +317,7 @@ LightweightThemeConsumer.prototype = {
+     }
+ 
+     let theme = useDarkTheme ? themeData.darkTheme : themeData.theme;
+-    if (!theme) {
++    if (!theme || Services.prefs.getBoolPref("zen.theme.disable-lightweight")) {
+       theme = { id: DEFAULT_THEME_ID };
+     }
+     let hasTheme = theme.id != DEFAULT_THEME_ID || useDarkTheme;

src/toolkit/modules/ShortcutUtils-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/toolkit/modules/ShortcutUtils.sys.mjs b/toolkit/modules/ShortcutUtils.sys.mjs
-index 360a7dbeeae3899af01945e35d5fe3aa0cb3c562..354c0c9e65e443682a2b12113bc618af9e07910f 100644
+index 3e796cb6586ad39257a29c2a6da1d0415f4c2676..dd883f81612d9dc892e720b63e2793e43b9686b3 100644
 --- a/toolkit/modules/ShortcutUtils.sys.mjs
 +++ b/toolkit/modules/ShortcutUtils.sys.mjs
 @@ -140,6 +140,7 @@ export var ShortcutUtils = {
@@ -10,18 +10,3 @@ index 360a7dbeeae3899af01945e35d5fe3aa0cb3c562..354c0c9e65e443682a2b12113bc618af
        key = keyAttribute.toUpperCase();
      }
  
-@@ -382,12 +383,12 @@ export var ShortcutUtils = {
-           return ShortcutUtils.MOVE_TAB_FORWARD;
-         }
-         break;
--      case event.DOM_VK_LEFT:
-+      case event.DOM_VK_UP: // For macOS, make sure if this patch needs to be updated
-         if (accelMetaKey && event.altKey && !event.shiftKey && !event.ctrlKey) {
-           return ShortcutUtils.PREVIOUS_TAB;
-         }
-         break;
--      case event.DOM_VK_RIGHT:
-+      case event.DOM_VK_DOWN: // For macOS, make sure if this patch needs to be updated
-         if (accelMetaKey && event.altKey && !event.shiftKey && !event.ctrlKey) {
-           return ShortcutUtils.NEXT_TAB;
-         }

src/toolkit/themes/shared/menulist-css.patch

@@ -0,0 +1,13 @@
+diff --git a/toolkit/themes/shared/menulist.css b/toolkit/themes/shared/menulist.css
+index e5ac973b1ee2595e8547680465e25d537685a9e7..20f85152d783c81be5e29846353daca9ccd0c67d 100644
+--- a/toolkit/themes/shared/menulist.css
++++ b/toolkit/themes/shared/menulist.css
+@@ -53,7 +53,7 @@
+ 
+ :host(:not([native])) {
+   appearance: none;
+-  background-color: var(--button-background-color);
++  background-color: light-dark(rgba(0,0,0,.1), rgba(255,255,255,.1));
+   color: var(--button-text-color);
+   border-radius: 4px;
+   padding-block: 4px;

src/toolkit/themes/shared/menulist-shared-css.patch

@@ -1,13 +0,0 @@
-diff --git a/toolkit/themes/shared/menulist-shared.css b/toolkit/themes/shared/menulist-shared.css
-index 5dd5549674570170a694afbd9ea4526e52e3192a..a24ded413065ce1493e8622c5777c5b5bdac128e 100644
---- a/toolkit/themes/shared/menulist-shared.css
-+++ b/toolkit/themes/shared/menulist-shared.css
-@@ -14,7 +14,7 @@
- 
- :host(:not([native])) {
-   appearance: none;
--  background-color: var(--button-background-color);
-+  background-color: light-dark(rgba(0,0,0,.1), rgba(255,255,255,.1));
-   color: var(--button-text-color);
-   border-radius: 4px;
-   padding-block: 4px;

src/widget/SwipeTracker-cpp.patch

@@ -0,0 +1,21 @@
+diff --git a/widget/SwipeTracker.cpp b/widget/SwipeTracker.cpp
+index b09252fd60beb10d5865d226c39ee0c8a9c22d87..91f68161209c6ca3f3bac22997d4e2066f1fafec 100644
+--- a/widget/SwipeTracker.cpp
++++ b/widget/SwipeTracker.cpp
+@@ -5,6 +5,7 @@
+  * You can obtain one at http://mozilla.org/MPL/2.0/. */
+ 
+ #include "SwipeTracker.h"
++#include "mozilla/StaticPrefs_zen.h"
+ 
+ #include "InputData.h"
+ #include "mozilla/FlushType.h"
+@@ -90,7 +91,7 @@ bool SwipeTracker::ComputeSwipeSuccess() const {
+ 
+   return (mGestureAmount * targetValue +
+           mCurrentVelocity * targetValue *
+-              StaticPrefs::widget_swipe_success_velocity_contribution()) >=
++              (StaticPrefs::zen_swipe_is_fast_swipe() ? 0.5 : StaticPrefs::widget_swipe_success_velocity_contribution())) >=
+          kSwipeSuccessThreshold;
+ }
+ 

src/widget/cocoa/VibrancyManager-mm.patch

@@ -1,20 +1,20 @@
 diff --git a/widget/cocoa/VibrancyManager.mm b/widget/cocoa/VibrancyManager.mm
-index 849b62c9976a7bc5fee35e074e54c8f556ed9c38..a9742c7ff30d417a18f41f9c120259192f33a0fd 100644
+index b4c14233c64dd3515518d3167f8ee2877fe41a93..2b91fa3044794765b8e15c6b66b348de4111f29f 100644
 --- a/widget/cocoa/VibrancyManager.mm
 +++ b/widget/cocoa/VibrancyManager.mm
 @@ -13,6 +13,7 @@
  
- #include "nsChildView.h"
+ #include "nsCocoaWindow.h"
  #include "mozilla/StaticPrefs_widget.h"
 +#include "mozilla/StaticPrefs_zen.h"
  
  using namespace mozilla;
  
-@@ -40,7 +41,23 @@ static NSVisualEffectMaterial VisualEffectMaterialForVibrancyType(
+@@ -38,7 +39,23 @@ static NSVisualEffectMaterial VisualEffectMaterialForVibrancyType(
+     VibrancyType aType) {
+   switch (aType) {
      case VibrancyType::Sidebar:
-       return NSVisualEffectMaterialSidebar;
-     case VibrancyType::Titlebar:
--      return NSVisualEffectMaterialTitlebar;
+-      return NSVisualEffectMaterialSidebar;
 +      switch (StaticPrefs::zen_widget_macos_window_material()) {
 +        case 1:
 +          return NSVisualEffectMaterialHUDWindow;
@@ -32,10 +32,10 @@ index 849b62c9976a7bc5fee35e074e54c8f556ed9c38..a9742c7ff30d417a18f41f9c12025919
 +        default:
 +          return NSVisualEffectMaterialUnderWindowBackground;
 +      }
+     case VibrancyType::Titlebar:
+       return NSVisualEffectMaterialTitlebar;
    }
- }
- 
-@@ -78,6 +95,7 @@ static NSVisualEffectBlendingMode VisualEffectBlendingModeForVibrancyType(
+@@ -78,6 +95,7 @@ - (NSView*)hitTest:(NSPoint)aPoint {
  
  - (void)prefChanged {
    self.blendingMode = VisualEffectBlendingModeForVibrancyType(mType);
@@ -50,4 +50,4 @@ index 849b62c9976a7bc5fee35e074e54c8f556ed9c38..a9742c7ff30d417a18f41f9c12025919
 +    "zen.widget.macos.window-material"_ns,
  };
  
- VibrancyManager::VibrancyManager(const nsChildView& aCoordinateConverter,
+ VibrancyManager::VibrancyManager(const nsCocoaWindow& aCoordinateConverter,

src/widget/cocoa/nsCocoaWindow-mm.patch

@@ -0,0 +1,13 @@
+diff --git a/widget/cocoa/nsCocoaWindow.mm b/widget/cocoa/nsCocoaWindow.mm
+index c4627621344d35081f11a7b0e03d02eca2097609..c9e35156b484f1afdecdd7f93b6bf02e25fae09b 100644
+--- a/widget/cocoa/nsCocoaWindow.mm
++++ b/widget/cocoa/nsCocoaWindow.mm
+@@ -7376,7 +7376,7 @@ - (id)initWithContentRect:(NSRect)aContentRect
+ 
+ // Returns an autoreleased NSImage.
+ static NSImage* GetMenuMaskImage() {
+-  const CGFloat radius = 6.0f;
++  const CGFloat radius = 10.0f;
+   const NSSize maskSize = {radius * 3.0f, radius * 3.0f};
+   NSImage* maskImage = [NSImage imageWithSize:maskSize
+                                       flipped:FALSE

src/zen/common/ZenCommonUtils.mjs

@@ -72,7 +72,7 @@ var gZenCommonActions = {
       let transferable = Cc['@mozilla.org/widget/transferable;1'].createInstance(
         Ci.nsITransferable
       );
-      transferable.init(getLoadContext());
+      transferable.init(window.docShell.QueryInterface(Ci.nsILoadContext));
       transferable.addDataFlavor('text/plain');
       transferable.setTransferData('text/plain', str);
       Services.clipboard.setData(transferable, null, Ci.nsIClipboard.kGlobalClipboard);
@@ -110,7 +110,7 @@ var gZenCommonActions = {
       let transferable = Cc['@mozilla.org/widget/transferable;1'].createInstance(
         Ci.nsITransferable
       );
-      transferable.init(getLoadContext());
+      transferable.init(window.docShell.QueryInterface(Ci.nsILoadContext));
       transferable.addDataFlavor('text/plain');
       transferable.setTransferData('text/plain', str);
       Services.clipboard.setData(transferable, null, Ci.nsIClipboard.kGlobalClipboard);

src/zen/common/ZenCustomizableUI.sys.mjs

@@ -116,7 +116,7 @@ export var ZenCustomizableUI = new (class {
       const handlePopupHidden = () => {
         window.setTimeout(() => {
           button.removeAttribute('open');
-        }, 100);
+        }, 500);
         window.gZenUIManager.motion.animate(
           image,
           { transform: ['rotate(45deg)', 'rotate(0deg)'] },

src/zen/common/ZenStartup.mjs

@@ -41,8 +41,6 @@
           document.getElementById('zen-appcontent-wrapper').prepend(deckTemplate);
         }
 
-        this._hideUnusedElements();
-
         gZenWorkspaces.init();
         gZenUIManager.init();
 
@@ -148,16 +146,6 @@
       }
     },
 
-    _hideUnusedElements() {
-      const kElements = ['firefox-view-button'];
-      for (let id of kElements) {
-        const elem = document.getElementById(id);
-        if (elem) {
-          elem.setAttribute('hidden', 'true');
-        }
-      }
-    },
-
     _initSearchBar() {
       // Only focus the url bar
       gURLBar.focus();

src/zen/common/ZenUIManager.mjs

@@ -83,7 +83,7 @@ var gZenUIManager = {
       '--zen-urlbar-top',
       `${window.innerHeight / 2 - Math.max(kUrlbarHeight, gURLBar.textbox.getBoundingClientRect().height) / 2}px`
     );
-    gURLBar.textbox.style.setProperty('--zen-urlbar-width', `${window.innerWidth / 2}px`);
+    gURLBar.textbox.style.setProperty('--zen-urlbar-width', `${window.innerWidth / 3}px`);
     gZenVerticalTabsManager.actualWindowButtons.removeAttribute('zen-has-hover');
     gZenVerticalTabsManager.recalculateURLBarHeight();
     if (!this._preventToolbarRebuild) {

src/zen/common/ZenUIMigration.mjs

@@ -1,22 +1,15 @@
 // 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/.
-const lazy = {};
 
-var { AppConstants } = ChromeUtils.importESModule('resource://gre/modules/AppConstants.sys.mjs');
+class nsZenUIMigration {
+  PREF_NAME = 'zen.ui.migration.version';
+  MIGRATION_VERSION = 1;
 
-ChromeUtils.defineESModuleGetters(lazy, {
-  BrowserWindowTracker: 'resource:///modules/BrowserWindowTracker.sys.mjs',
-});
-
-class ZenUIMigration {
-  PREF_NAME = 'zen.migration.version';
-  MIGRATION_VERSION = 5;
-
-  init(isNewProfile, win) {
+  init(isNewProfile) {
     if (!isNewProfile) {
       try {
-        this._migrate(win);
+        this._migrate();
       } catch (e) {
         console.error('ZenUIMigration: Error during migration', e);
       }
@@ -32,18 +25,11 @@ class ZenUIMigration {
     Services.prefs.setIntPref(this.PREF_NAME, value);
   }
 
-  _migrate(win) {
-    if (this._migrationVersion < 1) {
-      this._migrateV1(win);
+  _migrate() {
+    for (let i = 0; i <= this.MIGRATION_VERSION; i++) {
+      if (this._migrationVersion < i) {
+        this[`_migrateV${i}`]?.();
       }
-    if (this._migrationVersion < 2) {
-      this._migrateV2(win);
-    }
-    if (this._migrationVersion < 3) {
-      this._migrateV3(win);
-    }
-    if (this._migrationVersion < 4) {
-      this._migrateV4(win);
     }
   }
 
@@ -51,59 +37,27 @@ class ZenUIMigration {
     this._migrationVersion = this.MIGRATION_VERSION;
   }
 
-  _migrateV1(win) {
-    // Introduction of the new URL bar, show a message to the user
-    const notification = win.gNotificationBox.appendNotification(
-      'zen-new-urlbar-notification',
-      {
-        label: { 'l10n-id': 'zen-new-urlbar-notification' },
-        image: 'chrome://browser/skin/notification-icons/persistent-storage-blocked.svg',
-        priority: win.gNotificationBox.PRIORITY_WARNING_HIGH,
-      },
-      [
-        {
-          'l10n-id': 'zen-disable',
-          accessKey: 'D',
-          callback: () => {
-            Services.prefs.setBoolPref('zen.urlbar.replace-newtab', false);
-          },
-        },
-        {
-          link: 'https://docs.zen-browser.app/user-manual/urlbar/',
-          'l10n-id': 'zen-learn-more-text',
-        },
-      ]
-    );
-  }
-
-  _migrateV2(win) {
-    if (Services.prefs.getBoolPref('zen.widget.windows.acrylic', false)) {
-      Services.prefs.setIntPref('widget.windows.mica.toplevel-backdrop', 2);
-      Services.prefs.clearUserPref('zen.widget.windows.acrylic');
-    }
-  }
-
-  _migrateV3(win) {
-    const kArea = win.CustomizableUI.AREA_TABSTRIP;
-    const widgets = win.CustomizableUI.getWidgetsInArea(kArea);
-    for (const widget of widgets) {
-      const widgetId = widget.id;
-      if (widgetId === 'tabbrowser-tabs') {
-        continue;
-      }
-      win.CustomizableUI.removeWidgetFromArea(widgetId);
-    }
-  }
-
-  _migrateV4(win) {
-    if (AppConstants.platform === 'linux') {
-      return;
+  _migrateV1() {
+    // If there's an userChrome.css or userContent.css existing, we set
+    // 'toolkit.legacyUserProfileCustomizations.stylesheets' back to true
+    // We do this to avoid existing user stylesheets to be ignored
+    const profileDir = Services.dirsvc.get('ProfD', Ci.nsIFile);
+    const userChromeFile = profileDir.clone();
+    userChromeFile.append('chrome');
+    userChromeFile.append('userChrome.css');
+    const userContentFile = profileDir.clone();
+    userContentFile.append('chrome');
+    userContentFile.append('userContent.css');
+    if (userChromeFile.exists() || userContentFile.exists()) {
+      Services.prefs.setBoolPref('toolkit.legacyUserProfileCustomizations.stylesheets', true);
     }
     Services.prefs.setBoolPref(
-      'browser.tabs.unloadOnLowMemory',
-      Services.prefs.getBoolPref('zen.tab-unloader.enabled', true)
+      'zen.workspaces.separate-essentials',
+      Services.prefs.getBoolPref('zen.workspaces.container-specific-essentials-enabled', false)
     );
+    const theme = Services.prefs.getIntPref('layout.css.prefers-color-scheme.content-override', 0);
+    Services.prefs.setIntPref('zen.view.window.scheme', theme);
   }
 }
 
-export var gZenUIMigration = new ZenUIMigration();
+export var gZenUIMigration = new nsZenUIMigration();

src/zen/common/styles/zen-browser-container.css

@@ -17,7 +17,7 @@
       }
 
       & browser[transparent='true'] {
-        background: rgba(255, 255, 255, 0.1);
+        background: light-dark(rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
       }
     }
   }

src/zen/common/styles/zen-browser-ui.css

@@ -11,7 +11,7 @@
 #navigator-toolbox {
   /* see issue #426 */
   background: var(--zen-navigator-toolbox-background, transparent) !important;
-  --inactive-titlebar-opacity: 1;
+  --inactive-titlebar-opacity: 0.8;
 }
 
 #nav-bar,
@@ -47,6 +47,8 @@
 
   isolation: isolate;
 
+  background: var(--zen-themed-toolbar-bg-transparent);
+
   &::after,
   &::before {
     content: '';
@@ -63,6 +65,12 @@
       transition: 0s;
     }
 
+    @media (-moz-pref('zen.view.grey-out-inactive-windows')) {
+      &:-moz-window-inactive {
+        background: InactiveCaption;
+      }
+    }
+
     &::before {
       background: var(--zen-main-browser-background-old);
       opacity: calc(1 - var(--zen-background-opacity));
@@ -91,8 +99,10 @@
     z-index: 1;
     opacity: var(--zen-grainy-background-opacity, 0);
     mix-blend-mode: overlay;
+    :root:not([swipe-gesture='true']) & {
       transition: opacity 0.3s ease-in-out;
     }
+  }
 }
 
 #sidebar-box {
@@ -100,11 +110,11 @@
   border: none;
 }
 
-@supports (-moz-osx-font-smoothing: auto) {
+@media (-moz-platform: macos) {
   #zen-main-app-wrapper,
   #zen-appcontent-wrapper,
   #zen-sidebar-splitter {
-    appearance: -moz-window-titlebar !important;
+    appearance: -moz-sidebar !important;
   }
 }
 
@@ -118,7 +128,7 @@
 }
 
 #zen-main-app-wrapper {
-  background: var(--zen-themed-toolbar-bg-transparent);
+  background: transparent;
   /* See bug #8814, don't an overflow here as it causes issues 
    * with firefox's rendering of the tab bar */
 
@@ -130,14 +140,6 @@
     background: ActiveCaption;
     color: CaptionText;
   }
-
-  @media -moz-pref('zen.view.grey-out-inactive-windows') {
-    transition: background-color var(--inactive-window-transition);
-    &:-moz-window-inactive {
-      background-color: InactiveCaption;
-      color: InactiveCaptionText;
-    }
-  }
 }
 
 #zen-appcontent-wrapper {
@@ -188,6 +190,7 @@
 
   @media -moz-pref('zen.widget.mac.mono-window-controls') {
     .titlebar-buttonbox-container {
+      color: var(--toolbox-textcolor);
       /* Draw 3 dots as background to represent the window controls,
         all with the same cololr as the titlebar */
       background-image: radial-gradient(

src/zen/common/styles/zen-panel-ui.css

@@ -4,7 +4,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 panel[type='arrow'][animate='open'] {
-  @media (-moz-platform: macos) {
+  @media (-moz-platform: macos) and (-moz-panel-animations) {
     animation: zen-jello-animation-macos 0.4s ease-out;
     &[side='bottom'] {
       /* Animate from the bottom */
@@ -20,7 +20,7 @@ panel[type='arrow'][animate='open'] {
       }
     }
   }
-  @media (-moz-platform: linux) or ((-moz-platform: windows) and (not (-moz-windows-mica-popups))) {
+  @media (-moz-platform: linux) or ((-moz-platform: windows) and (not (-moz-windows-mica-popups))) and (-moz-panel-animations) {
     /* Mica popups have a weird background while the animation is running */
     &::part(content) {
       animation: zen-jello-animation 0.35s ease;
@@ -64,7 +64,7 @@ panel[type='arrow'] {
     --panel-border-radius: 6px;
 
     &::part(content) {
-      background-color: light-dark(rgba(255, 255, 255, 0.2), rgba(0, 0, 0, 0.2)) !important;
+      background-color: transparent !important;
     }
   }
 }

src/zen/common/styles/zen-popup.css

@@ -369,7 +369,6 @@ menuseparator {
       var(--zen-primary-color) -40%,
       color-mix(in srgb, var(--zen-primary-color) 85%, #0f0f0f 15%)
     );
-    color: var(--button-primary-color);
     box-shadow: 0 0 14px 3px rgba(0, 0, 0, 0.05);
     border: 1px solid light-dark(rgba(255, 255, 255, 0.2), rgba(0, 0, 0, 0.2));
     display: flex;
@@ -394,7 +393,6 @@ menuseparator {
     }
 
     & button {
-      color-scheme: dark;
       width: min-content;
       padding: 0 10px !important;
       min-width: unset !important;

src/zen/common/styles/zen-single-components.css

@@ -36,6 +36,11 @@ body > #confetti {
   min-height: 30px;
 }
 
+/* Firefox View */
+#firefox-view-button {
+  display: none !important;
+}
+
 /* Emojis picker */
 
 #PanelUI-zen-emojis-picker {
@@ -93,3 +98,27 @@ body > #confetti {
     }
   }
 }
+
+.toolbarbutton-1 {
+  :root:is([zen-single-toolbar='true'], :not([zen-sidebar-expanded='true']))
+    #zen-sidebar-top-buttons-customization-target
+    &,
+  #zen-sidebar-foot-buttons & {
+    --tab-border-radius: 4px;
+    --toolbarbutton-border-radius: var(--tab-border-radius);
+    --toolbarbutton-inner-padding: 7px;
+
+    &,
+    & stack {
+      width: 30px;
+      height: 30px;
+    }
+  }
+
+  transition:
+    background-color 0.1s,
+    scale 0.2s;
+  &:active {
+    transform: scale(0.98);
+  }
+}

src/zen/common/styles/zen-theme.css

@@ -9,12 +9,7 @@
  */
 
 :host(:is(.anonymous-content-host, notification-message)),
-:root,
-.zenLooksAndFeelColorOption {
-  /** We also add `.zenLooksAndFeelColorOption` so that it recalculates the colors when the theme changes
-   * in the preferences page.
-   */
-
+:root {
   /* Default values */
   --zen-border-radius: 7px;
   --zen-primary-color: #ffb787;
@@ -49,7 +44,7 @@
     var(--zen-colors-tertiary) 99%
   );
 
-  --zen-dialog-background: var(--zen-colors-tertiary);
+  --zen-dialog-background: light-dark(var(--zen-colors-tertiary), var(--zen-branding-bg));
   --zen-urlbar-background: color-mix(in srgb, var(--zen-primary-color) 3%, #f4f4f4 97%);
 
   --zen-secondary-btn-color: var(--zen-colors-primary-foreground);
@@ -89,10 +84,10 @@
   --button-bgcolor: var(--in-content-button-background) !important;
   --button-hover-bgcolor: var(--in-content-button-background-hover) !important;
   --button-hover-color: var(--in-content-button-text-color-hover) !important;
-  --focus-outline-color: var(--button-bgcolor) !important;
+  --focus-outline-color: var(--color-accent-primary) !important;
 
   --toolbarbutton-icon-fill-attention: var(--zen-primary-color) !important;
-  --toolbarbutton-icon-fill: light-dark(rgba(57, 57, 58, 0.6), rgba(251, 251, 254, 0.6)) !important;
+  --toolbarbutton-icon-fill: currentColor !important;
 
   --button-primary-bgcolor: var(--in-content-primary-button-background) !important;
   --button-primary-hover-bgcolor: var(--in-content-primary-button-background-hover) !important;
@@ -121,18 +116,30 @@
   --zen-button-border-radius: 5px;
   --zen-button-padding: 0.6rem 1.2rem;
 
-  --zen-toolbar-element-bg: light-dark(rgba(89, 89, 89, 0.1), rgba(255, 255, 255, 0.1));
+  --zen-toolbar-element-bg: light-dark(
+    color-mix(in oklch, var(--toolbox-textcolor) 9%, transparent),
+    color-mix(in oklch, var(--toolbox-textcolor) 15%, transparent)
+  );
 
   /* Toolbar */
+  --tab-selected-color-scheme: inherit;
+
   --zen-toolbar-height: 38px;
   --zen-toolbar-button-inner-padding: 6px;
   --toolbarbutton-outer-padding: 4px;
 
-  --toolbarbutton-hover-background: color-mix(
+  --toolbarbutton-inner-padding: 5px !important;
+
+  --toolbarbutton-hover-background: var(--zen-toolbar-element-bg) !important;
+
+  --toolbarbutton-active-background: color-mix(
     in srgb,
-    var(--zen-branding-bg-reverse) 10%,
-    transparent 90%
-  );
+    var(--zen-branding-bg-reverse) 7%,
+    transparent 93%
+  ) !important;
+
+  --toolbar-color: light-dark(rgb(21, 20, 26, 0.7), rgb(251, 251, 254, 0.7)) !important;
+  --toolbox-textcolor-inactive: var(--toolbox-textcolor) !important;
 
   /* Other colors */
   --urlbar-box-bgcolor: var(--zen-urlbar-background) !important;
@@ -155,34 +162,15 @@
   --urlbar-margin-inline: 1px !important;
 
   --tab-icon-overlay-stroke: light-dark(white, black) !important;
-
   --tab-close-button-padding: 5px !important;
 
-  --toolbarbutton-active-background: var(--zen-toolbar-element-bg);
-
   --input-bgcolor: var(--zen-colors-tertiary) !important;
   --input-border-color: var(--zen-input-border-color) !important;
-  --zen-themed-toolbar-bg: light-dark(rgb(240, 240, 244), #171717);
   --zen-themed-toolbar-bg-transparent: light-dark(var(--zen-branding-bg), #171717);
 
   --zen-workspace-indicator-height: 48px;
 
-  @media (-moz-windows-mica) or (-moz-platform: macos) {
-    background: transparent;
-    --zen-themed-toolbar-bg-transparent: transparent;
-    @media -moz-pref('widget.windows.mica.toplevel-backdrop', 2) {
-      --zen-themed-toolbar-bg-transparent: color-mix(
-        in srgb,
-        var(--zen-themed-toolbar-bg) 35%,
-        transparent 65%
-      );
-    }
-  }
-
-  @media (-moz-platform: linux) and -moz-pref('zen.widget.linux.transparency') {
-    background: transparent;
-    --zen-themed-toolbar-bg-transparent: transparent;
-  }
+  --toolbar-field-color: var(--toolbox-textcolor) !important;
 
   &[zen-private-window='true'] {
     --zen-main-browser-background: linear-gradient(
@@ -192,6 +180,7 @@
     );
     --zen-main-browser-background-toolbar: var(--zen-main-browser-background);
     --zen-primary-color: light-dark(rgb(93, 42, 107), rgb(110, 48, 125)) !important;
+    --toolbox-textcolor: currentColor !important;
   }
 
   --toolbar-field-background-color: var(--zen-colors-input-bg) !important;
@@ -203,11 +192,7 @@
   --zen-active-tab-scale: 0.98;
 
   /* Define tab hover background color */
-  --tab-hover-background-color: color-mix(
-    in srgb,
-    var(--toolbarbutton-hover-background) 50%,
-    transparent 50%
-  );
+  --tab-hover-background-color: var(--toolbarbutton-hover-background);
 
   /* Nativity */
   --zen-native-content-radius: var(--zen-border-radius);
@@ -239,40 +224,77 @@
 
 #main-window:not([chromehidden~='toolbar']) {
   min-height: 495px !important;
+
+  @media (-moz-windows-mica) or (-moz-platform: macos) or ((-moz-platform: linux) and -moz-pref('zen.widget.linux.transparency')) {
+    background: transparent;
+    --zen-themed-toolbar-bg-transparent: transparent;
+    @media -moz-pref('widget.windows.mica.toplevel-backdrop', 2) {
+      --zen-themed-toolbar-bg-transparent: light-dark(rgba(255, 255, 255, 0.1), rgba(0, 0, 0, 0.3));
+    }
+  }
+
+  &[zen-should-be-dark-mode='true'] #browser {
+    color-scheme: dark;
+  }
+
+  &[zen-should-be-dark-mode='false'] #browser {
+    color-scheme: light;
+  }
+
+  &,
+  & panel,
+  & menupopup,
+  & #zen-browser-background,
+  & #urlbar[breakout-extend='true'],
+  & #tabbrowser-tabpanels browser[type='content'] {
+    @media -moz-pref('zen.view.window.scheme', 0) {
+      color-scheme: dark;
+    }
+
+    @media -moz-pref('zen.view.window.scheme', 1) {
+      color-scheme: light;
+    }
+
+    @media -moz-pref('zen.view.window.scheme', 2) {
+      color-scheme: light;
+      @media (-moz-system-dark-theme) {
+        color-scheme: dark;
+      }
+    }
+  }
 }
 
 @media (prefers-color-scheme: dark) {
   :host(:is(.anonymous-content-host, notification-message)),
   :root {
     --zen-in-content-dialog-background: var(--zen-branding-bg);
-    --zen-dark-color-mix-base: var(--zen-branding-bg);
     --zen-colors-primary: color-mix(
       in srgb,
       var(--zen-primary-color) 20%,
-      var(--zen-dark-color-mix-base) 80%
+      var(--zen-branding-bg) 80%
     );
     --zen-colors-secondary: color-mix(
       in srgb,
       var(--zen-primary-color) 30%,
-      var(--zen-dark-color-mix-base) 70%
+      var(--zen-branding-bg) 70%
     );
     --zen-colors-tertiary: color-mix(
       in srgb,
       var(--zen-primary-color) 1%,
-      var(--zen-dark-color-mix-base) 99%
+      var(--zen-branding-bg) 99%
     );
 
     --zen-colors-hover-bg: color-mix(
       in srgb,
       var(--zen-primary-color) 90%,
-      var(--zen-dark-color-mix-base) 10%
+      var(--zen-branding-bg) 10%
     );
     --zen-colors-primary-foreground: color-mix(in srgb, var(--zen-primary-color) 80%, white 20%);
 
     --zen-colors-input-bg: color-mix(
       in srgb,
       var(--zen-primary-color) 1%,
-      var(--zen-dark-color-mix-base) 99%
+      var(--zen-branding-bg) 99%
     );
     --zen-colors-border: color-mix(in srgb, var(--zen-colors-secondary) 20%, rgb(79, 79, 79) 80%);
     --zen-colors-border-contrast: color-mix(
@@ -281,13 +303,12 @@
       rgba(255, 255, 255, 0.11) 90%
     );
 
-    --zen-dialog-background: var(--zen-dark-color-mix-base);
     --zen-urlbar-background: color-mix(in srgb, var(--zen-primary-color) 4%, rgb(24, 24, 24) 96%);
 
     --zen-browser-gradient-base: color-mix(
       in srgb,
       var(--zen-primary-color) 30%,
-      var(--zen-dark-color-mix-base) 70%
+      var(--zen-branding-bg) 70%
     );
   }
 }

src/zen/common/styles/zen-urlbar.css

@@ -17,7 +17,7 @@
 }
 
 #urlbar {
-  --urlbarView-separator-color: light-dark(hsl(0, 0%, 90%), hsl(0, 0%, 20%));
+  --urlbarView-separator-color: light-dark(hsl(0, 0%, 74.9%), hsl(0, 0%, 20%));
   --urlbarView-hover-background: var(--toolbarbutton-hover-background);
   --urlbarView-highlight-background: var(--toolbarbutton-hover-background);
   border-radius: calc(var(--toolbarbutton-border-radius) - 2px);
@@ -66,7 +66,7 @@
   }
 
   &:hover #urlbar-background {
-    background-color: light-dark(rgba(89, 89, 89, 0.15), rgba(255, 255, 255, 0.2)) !important;
+    background-color: light-dark(rgba(0, 0, 0, 0.1), rgba(255, 255, 255, 0.2)) !important;
   }
 }
 
@@ -162,9 +162,10 @@
   }
 
   & #urlbar-background {
-    --zen-urlbar-background-base: light-dark(
-      hsl(0, 0%, 100%),
-      color-mix(in srgb, hsl(0, 0%, 5%) 80%, var(--zen-colors-primary) 20%)
+    --zen-urlbar-background-base: color-mix(
+      in srgb,
+      light-dark(hsl(0, 0%, 100%), hsl(0, 0%, 5%)) 80%,
+      var(--zen-colors-primary) 20%
     );
     @media -moz-pref('zen.theme.acrylic-elements') {
       --zen-urlbar-background-transparent: color-mix(
@@ -481,11 +482,14 @@ button.popup-notification-dropmarker {
   left: 50% !important;
 
   #urlbar-container:has(&) {
-    border-radius: 10px;
+    border-radius: var(--border-radius-medium);
     background: var(--toolbarbutton-hover-background);
+    height: var(--urlbar-height) !important;
+    margin-inline: 0.15rem !important;
     :root:not([zen-single-toolbar='true']) & {
       max-height: 32px !important;
-      min-height: unset;
+      min-height: unset !important;
+      margin-block: -1px !important;
     }
   }
 }

src/zen/compact-mode/ZenCompactMode.mjs

@@ -155,13 +155,13 @@ var gZenCompactModeManager = {
   },
 
   updateCompactModeContext(isSingleToolbar) {
-    const IDs = [
-      'zen-context-menu-compact-mode-hide-sidebar',
-      'zen-context-menu-compact-mode-hide-toolbar',
-      'zen-context-menu-compact-mode-hide-both',
-    ];
-    for (let id of IDs) {
-      document.getElementById(id).disabled = isSingleToolbar;
+    const menuitem = document.getElementById('zen-context-menu-compact-mode-toggle');
+    const menu = document.getElementById('zen-context-menu-compact-mode');
+    menu.setAttribute('hidden', isSingleToolbar);
+    if (isSingleToolbar) {
+      menu.before(menuitem);
+    } else {
+      menu.querySelector('menupopup').prepend(menuitem);
     }
   },
 
@@ -209,14 +209,15 @@ var gZenCompactModeManager = {
   // the caller is from the ResizeObserver
   getAndApplySidebarWidth(event = undefined) {
     if (this._ignoreNextResize) {
-      this._ignoreNextResize = false;
+      delete this._ignoreNextResize;
       return;
     }
     let sidebarWidth = this.sidebar.getBoundingClientRect().width;
     const shouldRecalculate =
       this.preference || document.documentElement.hasAttribute('zen-creating-workspace');
+    const sidebarExpanded = document.documentElement.hasAttribute('zen-sidebar-expanded');
     if (sidebarWidth > 1) {
-      if (shouldRecalculate && gZenVerticalTabsManager._prefsSidebarExpanded) {
+      if (shouldRecalculate && sidebarExpanded) {
         sidebarWidth = Math.max(sidebarWidth, 150);
       }
       // Second variable to get the genuine width of the sidebar
@@ -225,7 +226,7 @@ var gZenCompactModeManager = {
       if (
         event &&
         shouldRecalculate &&
-        gZenVerticalTabsManager._prefsSidebarExpanded &&
+        sidebarExpanded &&
         !gZenVerticalTabsManager._hadSidebarCollapse
       ) {
         return;
@@ -244,9 +245,9 @@ var gZenCompactModeManager = {
   },
 
   animateCompactMode() {
-    return new Promise((resolve) => {
     // Get the splitter width before hiding it (we need to hide it before animating on right)
     document.documentElement.setAttribute('zen-compact-animating', 'true');
+    return new Promise((resolve) => {
       // We need to set the splitter width before hiding it
       let splitterWidth = document
         .getElementById('zen-sidebar-splitter')
@@ -267,6 +268,7 @@ var gZenCompactModeManager = {
       this.sidebar.style.removeProperty('margin-left');
       this.sidebar.style.removeProperty('transform');
       window.requestAnimationFrame(() => {
+        delete this._ignoreNextResize;
         let sidebarWidth = this.getAndApplySidebarWidth();
         const elementSeparation = ZenThemeModifier.elementSeparation;
         if (!canAnimate) {
@@ -323,6 +325,8 @@ var gZenCompactModeManager = {
           } else {
             sidebarWidth -= elementSeparation;
           }
+          this.sidebar.style.marginRight = '0px';
+          this.sidebar.style.marginLeft = '0px';
           gZenUIManager.motion
             .animate(
               this.sidebar,
@@ -334,7 +338,7 @@ var gZenCompactModeManager = {
                 ease: 'easeIn',
                 type: 'spring',
                 bounce: 0,
-                duration: 0.2,
+                duration: 0.15,
               }
             )
             .then(() => {
@@ -385,7 +389,7 @@ var gZenCompactModeManager = {
                 ease: 'easeOut',
                 type: 'spring',
                 bounce: 0,
-                duration: 0.2,
+                duration: 0.15,
               }
             )
             .then(() => {

src/zen/compact-mode/zen-compact-mode.css

@@ -328,8 +328,7 @@
       }
 
       & #titlebar,
-      & #zen-appcontent-wrapper,
-      & #zen-sidebar-web-panel-wrapper:has(#zen-sidebar-web-panel:not([pinned='true'])) {
+      & #zen-appcontent-wrapper {
         margin-top: var(--zen-element-separation) !important;
       }
 
@@ -337,10 +336,6 @@
         z-index: 3 !important;
       }
 
-      & #zen-sidebar-web-panel-wrapper:has(#zen-sidebar-web-panel[pinned='true']) {
-        margin-top: calc(var(--zen-element-separation) * 2) !important;
-      }
-
       & #zen-appcontent-navbar-wrapper {
         --zen-compact-toolbar-offset: 5px;
         position: absolute;

src/zen/downloads/ZenDownloadAnimation.mjs

@@ -13,7 +13,7 @@
     },
   });
 
-  class ZenDownloadAnimation extends ZenDOMOperatedFeature {
+  class nsZenDownloadAnimation extends ZenDOMOperatedFeature {
     async init() {
       await this.#setupDownloadListeners();
     }
@@ -26,7 +26,7 @@
         });
       } catch (error) {
         console.error(
-          `[${ZenDownloadAnimation.name}] Failed to set up download animation listeners: ${error}`
+          `[${nsZenDownloadAnimation.name}] Failed to set up download animation listeners: ${error}`
         );
       }
     }
@@ -41,7 +41,7 @@
 
       if (!gZenUIManager._lastClickPosition) {
         console.warn(
-          `[${ZenDownloadAnimation.name}] No recent click position available for animation`
+          `[${nsZenDownloadAnimation.name}] No recent click position available for animation`
         );
         return;
       }
@@ -61,7 +61,7 @@
     }
   }
 
-  class ZenDownloadAnimationElement extends HTMLElement {
+  class nsZenDownloadAnimationElement extends HTMLElement {
     #boxAnimationElement = null;
     #boxAnimationTimeoutId = null;
     #isBoxAnimationRunning = false;
@@ -82,14 +82,14 @@
         );
         this.shadowRoot.appendChild(link);
       } catch (error) {
-        console.error(`[${ZenDownloadAnimationElement.name}] Error loading arc styles: ${error}`);
+        console.error(`[${nsZenDownloadAnimationElement.name}] Error loading arc styles: ${error}`);
       }
     }
 
     async initializeAnimation(startPosition) {
       if (!startPosition) {
         console.warn(
-          `[${ZenDownloadAnimationElement.name}] No start position provided, skipping animation`
+          `[${nsZenDownloadAnimationElement.name}] No start position provided, skipping animation`
         );
         return;
       }
@@ -229,7 +229,7 @@
 
         this.#cleanArcAnimation(arcAnimationElement);
       } catch (error) {
-        console.error('[ZenDownloadAnimationElement] Error in animation sequence:', error);
+        console.error('[nsZenDownloadAnimationElement] Error in animation sequence:', error);
         this.#cleanArcAnimation(arcAnimationElement);
       }
     }
@@ -309,7 +309,7 @@
       // If animation is already in progress, don't start a new one
       if (this.#isBoxAnimationRunning) {
         console.warn(
-          `[${ZenDownloadAnimationElement.name}] Box animation already running, skipping new request.`
+          `[${nsZenDownloadAnimationElement.name}] Box animation already running, skipping new request.`
         );
         return;
       }
@@ -326,7 +326,7 @@
       const wrapper = document.getElementById('zen-main-app-wrapper');
       if (!wrapper) {
         console.warn(
-          `[${ZenDownloadAnimationElement.name}] Cannot start box animation, Wrapper element not found`
+          `[${nsZenDownloadAnimationElement.name}] Cannot start box animation, Wrapper element not found`
         );
         return;
       }
@@ -385,7 +385,7 @@
         );
       } catch (error) {
         console.error(
-          `[${ZenDownloadAnimationElement.name}] Error during box entry animation: ${error}`
+          `[${nsZenDownloadAnimationElement.name}] Error during box entry animation: ${error}`
         );
         this.#cleanBoxAnimation();
       } finally {
@@ -436,7 +436,7 @@
         ).finished;
       } catch (error) {
         console.warn(
-          `[${ZenDownloadAnimationElement.name}] Error during box exit animation: ${error}`
+          `[${nsZenDownloadAnimationElement.name}] Error during box exit animation: ${error}`
         );
       } finally {
         this.#cleanBoxAnimation();
@@ -458,7 +458,7 @@
           this.#boxAnimationElement.remove();
         } catch (error) {
           console.error(
-            `[${ZenDownloadAnimationElement.name}] Error removing box animation element: ${error}`,
+            `[${nsZenDownloadAnimationElement.name}] Error removing box animation element: ${error}`,
             error
           );
         }
@@ -488,7 +488,7 @@
     }
   }
 
-  customElements.define('zen-download-animation', ZenDownloadAnimationElement);
+  customElements.define('zen-download-animation', nsZenDownloadAnimationElement);
 
-  new ZenDownloadAnimation();
+  new nsZenDownloadAnimation();
 }

src/zen/folders/ZenFolders.mjs

@@ -17,7 +17,7 @@
     }
 
     #onTabGrouped(event) {
-      const tab = event.target;
+      const tab = event.detail;
       const group = tab.group;
       group.pinned = tab.pinned;
 
@@ -30,8 +30,8 @@
     }
 
     #onTabUngrouped(event) {
-      const tab = event.target;
-      const group = event.detail;
+      const tab = event.detail;
+      const group = event.target;
       if (group.hasAttribute('split-view-group') && tab.hasAttribute('had-zen-pinned-changed')) {
         tab.setAttribute('zen-pinned-changed', true);
         tab.removeAttribute('had-zen-pinned-changed');

src/zen/glance/ZenGlanceManager.mjs

@@ -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/.
 {
-  class ZenGlanceManager extends ZenDOMOperatedFeature {
+  class nsZenGlanceManager extends ZenDOMOperatedFeature {
     _animating = false;
     _lazyPref = {};
 
@@ -783,7 +783,7 @@
     }
   }
 
-  window.gZenGlanceManager = new ZenGlanceManager();
+  window.gZenGlanceManager = new nsZenGlanceManager();
 
   function registerWindowActors() {
     gZenActorsManager.addJSWindowActor('ZenGlance', {