Fix: Bookmark Menu padding

Fix: Tab - Rounding #1139
Chore: Release name change for legacy Firefox 117 #1131
2025-12-06 02:30:54 -08:00 · 2025-11-29 00:00:00 +09:00 · 2025-11-16 22:35:03 +09:00 · 2025-10-12 00:00:00 +09:00 · 2025-09-13 00:00:00 +09:00 · 2025-08-10 23:08:56 +09:00
115 changed files with 9764 additions and 4594 deletions
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@ -15,4 +15,4 @@
 # custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

 github: [black7375]
-ko_fi: [black7375]
+ko_fi: black7375
--- a/.github/actions/node-setup/action.yml
+++ b/.github/actions/node-setup/action.yml
@ -1,18 +1,23 @@
 name: "Setup"
+description: "Yarn cache action"

 runs:
  using: "composite"
  steps:
+    - name: Corepack enable
+      run: corepack enable
+      shell: bash
+
    # https://github.com/actions/cache/blob/main/examples.md#node---yarn
    # https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/
    - name: Get yarn cache directory path
      id: yarn-cache-dir-path
-      run: echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
+      run: echo "dir=$(yarn config get cacheFolder)" >> $GITHUB_OUTPUT
      shell: bash

    - name: Node cache
      id: node-cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
      with:
        path: |
          ${{ steps.yarn-cache-dir-path.outputs.dir }}
@ -22,5 +27,5 @@ runs:
          ${{ runner.os }}-node-

    - name: Package Install
-      run: yarn install
+      run: yarn install --immutable
      shell: bash
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@ -21,7 +21,7 @@ jobs:

    steps:
      - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: Setup
        uses: ./.github/actions/node-setup
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@ -7,7 +7,7 @@ jobs:
  sync-branches:
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

@ -42,17 +42,17 @@ jobs:
          - mode: "STANDARD"
            name: "Lepton-Proton-Style"
            branch: "proton-style"
-          - mode: "ESR"
-            name: "ESR-Lepton"
+          - mode: "LegacyV117"
+            name: "LegacyV117-Lepton"
            branch: "master"
-          - mode: "ESR"
-            name: "ESR-Lepton-Photon-Style"
+          - mode: "LegacyV117"
+            name: "LegacyV117-Lepton-Photon-Style"
            branch: "photon-style"
-          - mode: "ESR"
-            name: "ESR-Lepton-Proton-Style"
+          - mode: "LegacyV117"
+            name: "LegacyV117-Lepton-Proton-Style"
            branch: "proton-style"
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
        with:
          ref: ${{ matrix.branch }}

@ -75,8 +75,8 @@ jobs:
          rm css/leptonChromeESR.css
          rm css/leptonContentESR.css

-      - name: Processing for ESR
-        if: matrix.mode == 'ESR'
+      - name: Processing for LegacyV117
+        if: matrix.mode == 'LegacyV117'
        run: |
          sed -i "s/\.css/ESR\.css/g" userChrome.css
          sed -i "s/\.css/ESR\.css/g" userContent.css
--- a/.gitignore
+++ b/.gitignore
@ -115,7 +115,7 @@ dist
 # Zero install
 # .pnp.* # If not zero install
 .yarn/*
-!.yarn/cache
+.yarn/cache
 !.yarn/patches
 !.yarn/plugins
 !.yarn/releases
--- a/.yarnrc.yml
+++ b/.yarnrc.yml
@ -0,0 +1 @@
+nodeLinker: node-modules
--- a/28
+++ b/28
@ -28,7 +28,8 @@ W: https://github.com/zapSNH
 ----------
    Sponsors

-N: Private sponsors - 4
+N: Private sponsors - 5
+- https://ko-fi.com/home/coffeeshop?txid=be854d98-0856-48a6-8ec2-3f2a42f0b9d0

 N: Alessandro Rubino
 W: https://github.com/Babbiorsetto
@ -37,9 +38,18 @@ N: Alex Besogonov
 E: Alex.Besogonov@gmail.com
 W: https://github.com/Cyberax

+N: aslam karachiwala 
+W: https://github.com/akwala
+
 N: AuRiMaS666
 W: https://github.com/AuRiMaS666

+N: BrowserWorks
+W: https://github.com/BrowserWorks
+
+N: Christoph Mewes
+W: https://github.com/xrstf
+
 N: Duncanyoyo1
 W: https://ko-fi.com/duncanyoyo1

@ -64,6 +74,9 @@ W: https://github.com/kanlukasz
 N: Mike-Kennelly
 W: https://github.com/Mike-Kennelly

+N: Minithra
+W: https://Ko-fi.com/home/coffeeshop?txid=a84c4838-f0e8-45b4-8b61-46684697e9b2&mode=public&img=ogsomeoneboughtme
+
 N: nikkehtine
 E: nikkehtine@int.pl
 W: https://github.com/nikkehtine
@ -73,12 +86,18 @@ W: https://www.oss.kr/

 N: Safira

+N: Sunghyun Cho
+W: https://github.com/anaclumos
+
 N: Ygg01
 W: https://github.com/Ygg01

 N: ZachKnife1
 W: https://github.com/ZachKnife1

+N: Zachary Schuessler
+W: https://github.com/zschuessler
+
 ----------
    Contributors

@ -134,6 +153,10 @@ N: hellojaccc
 E: kim@taekyeong.me
 W: https://github.com/hellojaccc

+N: irhdevel
+E: irihi.design@gmail.com
+W: https://github.com/irhdevel
+
 N: James Upjohn
 E: jammehcow@jammehcow.co.nz
 W: https://github.com/jammehcow
@ -151,6 +174,9 @@ N: menndouyukkuri
 E: menndoukusagari@gmail.com
 W: https://github.com/menndouyukkuri

+N: mid-kid 
+W: https://github.com/mid-kid
+
 N: Mizuki
 W: https://github.com/MagicalDrizzle

--- a/README.org
+++ b/README.org
@ -200,23 +200,27 @@ Thanks to all sponsors & contributors to this project for providing help and dev
 *Sponsors*

 [[https://www.oss.kr/][https://user-images.githubusercontent.com/25581533/203210367-9f2eed69-666a-4218-acde-128892aa09d8.png]]
-[[https://github.com/ojaha065][@@html:<img src="https://avatars.githubusercontent.com/u/37581768?s=60&v=4"/>@@]]
-[[https://github.com/DPS0340][@@html:<img src="https://avatars.githubusercontent.com/u/32592965?s=60&v=4"/>@@]]
+[[https://github.com/BrowserWorks][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/78850935?s=60&v=4"/>@@]]
+[[https://github.com/ojaha065][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/37581768?s=60&v=4"/>@@]]
+[[https://github.com/DPS0340][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/32592965?s=60&v=4"/>@@]]
 [[https://github.com/ZachKnife1][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/114311925?s=60&v=4"/>@@]]
-[[https://github.com/kanlukasz][@@html:<img src="https://avatars.githubusercontent.com/u/30685349?s=60&v=4"/>@@]]
-[[https://github.com/nikkehtine][@@html:<img src="https://avatars.githubusercontent.com/u/27138416?s=60&v=4"/>@@]]
-[[https://github.com/Babbiorsetto][@@html:<img src="https://avatars.githubusercontent.com/u/36596647?s=60&v=4"/>@@]]
-[[https://github.com/Mike-Kennelly][@@html:<img src="https://avatars.githubusercontent.com/u/151653777?s=60&v=4"/>@@]]
+[[https://github.com/kanlukasz][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/30685349?s=60&v=4"/>@@]]
+[[https://github.com/nikkehtine][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/27138416?s=60&v=4"/>@@]]
+[[https://github.com/Babbiorsetto][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/36596647?s=60&v=4"/>@@]]
+[[https://github.com/Mike-Kennelly][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/151653777?s=60&v=4"/>@@]]
 [[https://github.com/Cyberax][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/1136550?s=60&v=4"/>@@]]
 [[https://github.com/AuRiMaS666][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/59185222?s=60&v=4"/>@@]]
 [[https://github.com/firefox9067][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/80527364?s=60&v=4"/>@@]]
 [[https://github.com/Ygg01][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/1146204?s=60&v=4"/>@@]]
 [[https://github.com/engelju][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/2188152?s=60&v=4"/>@@]]
+[[https://github.com/xrstf][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/127499?s=60&v=4"/>@@]]
+[[https://github.com/akwala][@@html:<img width="60" height="60" src="https://avatars.githubusercontent.com/u/1786?s=60&v=4"/>@@]]

 - A donation was received on [[https://ko-fi.com/black7375][Ko-Fi]]
  - [[https://ko-fi.com/home/coffeeshop?txid=97e5fa0d-c73e-4308-a2fd-6b44b08cd828][Safira]]
-  - [[https://ko-fi.com/duncanyoyo1][https://ko-fi.com/duncanyoyo1]]
- Private sponsors: 4
+  - [[https://ko-fi.com/duncanyoyo1][duncanyoyo1]]
+  - [[https://ko-fi.com/home/coffeeshop?txid=a84c4838-f0e8-45b4-8b61-46684697e9b2][Minithra]]
+- Private sponsors: 5

 *Contributors*

--- a/tests/mode.test.scss
+++ b/tests/mode.test.scss
@ -29,11 +29,11 @@
  }

  @include test("support pref") {
-    @include mode.SUPPORT_PREF;
+    @include mode.SUPPORT_BOOL_PREF;

    @include assert {
      @include output {
-        @if mode.isMediaPref() {
+        @if mode.isMediaBoolPref() {
          @include example;
        }
      }
@ -44,11 +44,11 @@
  }

  @include test("media pref") {
-    @include mode.MEDIA_PREF;
+    @include mode.MEDIA_BOOL_PREF;

    @include assert {
      @include output {
-        @if mode.isMediaPref() {
+        @if mode.isMediaBoolPref() {
          @include example;
        }
      }
@ -86,11 +86,11 @@
  }

  @include test("support pref") {
-    @include mode.SUPPORT_PREF;
+    @include mode.SUPPORT_BOOL_PREF;

    @include assert {
      @include output {
-        @if mode.isMediaPref() {
+        @if mode.isMediaBoolPref() {
          @include example;
        }
      }
@ -101,11 +101,11 @@
  }

  @include test("media pref") {
-    @include mode.MEDIA_PREF;
+    @include mode.MEDIA_BOOL_PREF;

    @include assert {
      @include output {
-        @if mode.isMediaPref() {
+        @if mode.isMediaBoolPref() {
          @include example;
        }
      }
--- a/tests/native_menu.test.scss
+++ b/tests/native_menu.test.scss
@ -137,7 +137,7 @@

@include test-module("Native Menu Option - Standard [mix]") {
  @include mode.STANDARD;
-  @include mode.SUPPORT_PREF;
+  @include mode.SUPPORT_BOOL_PREF;

  @include test("simple") {
    @include assert {
@ -256,7 +256,7 @@

@include test-module("Native Menu Option - MediaPref [mix]") {
  @include mode.STANDARD;
-  @include mode.MEDIA_PREF;
+  @include mode.MEDIA_BOOL_PREF;

  @include test("simple") {
    @include assert {
--- a/tests/one_liner.test.scss
+++ b/tests/one_liner.test.scss
@ -51,7 +51,7 @@

@include test-module("One Liner - MediaPref [mix]") {
  @include mode.STANDARD;
-  @include mode.MEDIA_PREF;
+  @include mode.MEDIA_BOOL_PREF;

  @include test("content") {
    @include assert {
@ -167,9 +167,9 @@
  }
 }

-@include test-module("One Liner for Responsive - MEDIA_PREF [mix]") {
+@include test-module("One Liner for Responsive - MEDIA_BOOL_PREF [mix]") {
  @include mode.STANDARD;
-  @include mode.MEDIA_PREF;
+  @include mode.MEDIA_BOOL_PREF;

  @include test("Tabs on bottom") {
    @include assert {
--- a/tests/option.test.scss
+++ b/tests/option.test.scss
@ -81,7 +81,7 @@

@include test-module("If exist pref - Standard [mix]") {
  @include mode.STANDARD;
-  @include mode.SUPPORT_PREF;
+  @include mode.SUPPORT_BOOL_PREF;

  @include test("simple") {
    @include assert {
@ -156,9 +156,9 @@
  }
 }

-@include test-module("If exist pref - MediaPref [mix]") {
+@include test-module("If exist pref - MediaBoolPref [mix]") {
  @include mode.STANDARD;
-  @include mode.MEDIA_PREF;
+  @include mode.MEDIA_BOOL_PREF;

  @include test("simple") {
    @include assert {
@ -233,6 +233,83 @@
  }
 }

+@include test-module("If exist pref - Media [mix]") {
+  @include mode.STANDARD;
+  @include mode.MEDIA_PREF;
+
+  @include test("simple") {
+    @include assert {
+      @include output {
+        @include option.Option("userChrome.tab.photon") {
+          @include example;
+        }
+      }
+      @include expect {
+        @#{media} #{'-moz-pref("userChrome.tab.photon")'} {
+          @include example;
+        }
+      }
+    }
+  }
+
+  @include test("multiple") {
+    @include assert {
+      @include output {
+        @include option.Option("userChrome.tab.photon", "userChrome.padding.photon") {
+          @include example;
+        }
+      }
+      @include expect {
+        @#{media} #{'-moz-pref("userChrome.tab.photon") or -moz-pref("userChrome.padding.photon")'} {
+          @include example;
+        }
+      }
+    }
+  }
+
+  @include test("simple `and`") {
+    @include assert {
+      @include output {
+        @include option.Option("userChrome.tab.photon" "userChrome.padding.photon") {
+          @include example;
+        }
+      }
+      @include expect {
+        @#{media} #{'(-moz-pref("userChrome.tab.photon") and -moz-pref("userChrome.padding.photon"))'} {
+          @include example;
+        }
+      }
+    }
+  }
+
+  @include test("multiple `and`") {
+    @include assert {
+      @include output {
+        @include option.Option("userChrome.tab.photon" "userChrome.padding.photon", "userChrome.tab.box_shadow") {
+          @include example;
+        }
+        @include option.Option("userChrome.tab.photon" "userChrome.padding.photon", "userChrome.tab.box_shadow", "userChrome.icon.panel_full") {
+          @include example;
+        }
+        @include option.Option("userChrome.tab.photon" "userChrome.padding.photon", "userChrome.tab.box_shadow" "userChrome.icon.panel_full") {
+          @include example;
+        }
+      }
+      @include expect {
+        @#{media} #{'(-moz-pref("userChrome.tab.photon") and -moz-pref("userChrome.padding.photon")) or -moz-pref("userChrome.tab.box_shadow")'} {
+          @include example;
+        }
+        @#{media} #{'(-moz-pref("userChrome.tab.photon") and -moz-pref("userChrome.padding.photon")) or -moz-pref("userChrome.tab.box_shadow") or -moz-pref("userChrome.icon.panel_full")'} {
+          @include example;
+        }
+        @#{media} #{'(-moz-pref("userChrome.tab.photon") and -moz-pref("userChrome.padding.photon")) or (-moz-pref("userChrome.tab.box_shadow") and -moz-pref("userChrome.icon.panel_full"))'} {
+          @include example;
+        }
+      }
+    }
+  }
+}
+
@include test-module("If not exist pref - ESR [mx]") {
  @include mode.ESR;

@ -312,7 +389,7 @@

@include test-module("If not exist pref - Standard [mx]") {
  @include mode.STANDARD;
-  @include mode.SUPPORT_PREF;
+  @include mode.SUPPORT_BOOL_PREF;

  @include test("simple") {
    @include assert {
@ -372,9 +449,9 @@
  }
 }

-@include test-module("If not exist pref - MediaPref [mx]") {
+@include test-module("If not exist pref - MediaBoolPref [mx]") {
  @include mode.STANDARD;
-  @include mode.MEDIA_PREF;
+  @include mode.MEDIA_BOOL_PREF;

  @include test("simple") {
    @include assert {
@ -433,3 +510,65 @@
    }
  }
 }
+
+@include test-module("If not exist pref - MediaPref [mx]") {
+  @include mode.STANDARD;
+  @include mode.MEDIA_PREF;
+
+  @include test("simple") {
+    @include assert {
+      @include output {
+        @include option.NotOption("userChrome.tab.photon") {
+          @include example;
+        }
+      }
+      @include expect {
+        @#{media} #{'not -moz-pref("userChrome.tab.photon")'} {
+          @include example;
+        }
+      }
+    }
+  }
+
+  @include test("multiple") {
+    @include assert {
+      @include output {
+        @include option.NotOption("userChrome.tab.photon", "userChrome.padding.photon") {
+          @include example;
+        }
+      }
+      @include expect {
+        @#{media} #{'(not -moz-pref("userChrome.tab.photon")) or (not -moz-pref("userChrome.padding.photon"))'} {
+          @include example;
+        }
+      }
+    }
+  }
+
+  @include test("multiple `and`") {
+    @include assert {
+      @include output {
+        @include option.NotOption("userChrome.tab.photon" "userChrome.padding.photon", "userChrome.tab.box_shadow") {
+          @include example;
+        }
+        @include option.NotOption("userChrome.tab.photon" "userChrome.padding.photon", "userChrome.tab.box_shadow", "userChrome.icon.panel_full") {
+          @include example;
+        }
+        @include option.NotOption("userChrome.tab.photon" "userChrome.padding.photon", "userChrome.tab.box_shadow" "userChrome.icon.panel_full") {
+          @include example;
+        }
+      }
+      @include expect {
+        @#{media} #{'((not -moz-pref("userChrome.tab.photon")) and (not -moz-pref("userChrome.padding.photon"))) or (not -moz-pref("userChrome.tab.box_shadow"))'} {
+          @include example;
+        }
+        @#{media} #{'((not -moz-pref("userChrome.tab.photon")) and (not -moz-pref("userChrome.padding.photon"))) or (not -moz-pref("userChrome.tab.box_shadow")) or (not -moz-pref("userChrome.icon.panel_full"))'} {
+          @include example;
+        }
+        @#{media} #{'((not -moz-pref("userChrome.tab.photon")) and (not -moz-pref("userChrome.padding.photon"))) or ((not -moz-pref("userChrome.tab.box_shadow")) and (not -moz-pref("userChrome.icon.panel_full")))'} {
+          @include example;
+        }
+      }
+    }
+  }
+}
--- a/css/leptonChrome.css
+++ b/css/leptonChrome.css
--- a/css/leptonChromeESR.css
+++ b/css/leptonChromeESR.css
--- a/css/leptonContent.css
+++ b/css/leptonContent.css
@ -42,6 +42,9 @@
    box-sizing: content-box;
    padding: 0 !important;
  }
+  button[data-l10n-id="addon-updates-manual-updates-found"] {
+    height: 100%;
+  }
  #categories {
    padding-inline-end: 1px !important; /* Original: 4px */
  }
@ -53,7 +56,7 @@
 }
 /** Video player **************************************************************/
 /* Control Bar Size */
-@supports -moz-bool-pref("userContent.player.size") {
+@media -moz-pref("userContent.player.size") {
  #controlsContainer {
    --controlBar-height: 40px; /* Original: 40px, Replace to this value */
  }
@ -79,7 +82,7 @@
  }
 }
 /* Control Bar UI */
-@supports -moz-bool-pref("userContent.player.ui") {
+@media -moz-pref("userContent.player.ui") {
  audio {
    --duration-color: #929292; /* Like Original */
    --media-background: rgba(26, 26, 26, 0.8); /* Like Original */
@ -113,7 +116,7 @@
  #controlsContainer .duration {
    color: var(--duration-color) !important; /* Original: #929292 */
  }
-  @supports -moz-bool-pref("userContent.player.ui.twoline") {
+  @media -moz-pref("userContent.player.ui.twoline") {
    audio {
      /* #controlsContainer .controlBar */
      --controlBar-flex-wrap: unset;
@ -203,7 +206,7 @@
    }
  }
 }
-@supports -moz-bool-pref("userContent.player.icon") {
+@media -moz-pref("userContent.player.icon") {
  #controlsContainer .fullscreenButton {
    background-image: url("../icons/enter-fullscreen.svg") !important;
  }
@ -211,14 +214,14 @@
    background-image: url("../icons/exit-fullscreen.svg") !important;
  }
 }
-@supports -moz-bool-pref("userContent.player.noaudio") {
+@media -moz-pref("userContent.player.noaudio") {
  #controlsContainer .muteButton[noAudio] {
    /* Remove volume button at noAudio */
    display: none !important;
  }
 }
 /* Click to play UI */
-@supports -moz-bool-pref("userContent.player.click_to_play") {
+@media -moz-pref("userContent.player.click_to_play") {
  #controlsContainer .clickToPlay {
    cursor: pointer;
    opacity: 0.65 !important;
@ -232,7 +235,7 @@
  }
 }
 /* Animation */
-@supports -moz-bool-pref("userContent.player.animate") {
+@media -moz-pref("userContent.player.animate") {
  @media (prefers-reduced-motion: no-preference) {
    /* Control Bar */
    #controlsContainer .controlBar {
@ -264,7 +267,7 @@
 /** Activity Stream ***********************************************************/
@-moz-document url("about:home"), url("about:newtab") {
  /** Activity Stream - Search Focus Border: like URL *************************/
-  @supports -moz-bool-pref("userContent.page.field_border") {
+  @media -moz-pref("userContent.page.field_border") {
    /* At DarkMode, Color */
    body[style*="--newtab-background-color:rgba(28, 27, 34, 1);"],
    body[style*="--newtab-background-color:rgba(42, 42, 46, 1);"],
@ -282,8 +285,8 @@
      /* For Nightly */
      --newtab-primary-action-background: var(--newtab-focus-border) !important;
    }
-    @supports -moz-bool-pref("userContent.page.proton_color") {
-      @supports -moz-bool-pref("userContent.page.proton_color.dark_blue_accent") {
+    @media -moz-pref("userContent.page.proton_color") {
+      @media -moz-pref("userContent.page.proton_color.dark_blue_accent") {
        body[style*="--newtab-background-color:rgba(28, 27, 34, 1);"],
        body[style*="--newtab-background-color:rgba(42, 42, 46, 1);"],
        body[style*="--newtab-background-color: rgba(42, 42, 46, 1);"],
@ -295,7 +298,7 @@
    }
  }
  /** Activity Stream - Menu Icons ********************************************/
-  @supports -moz-bool-pref("userChrome.icon.context_menu") {
+  @media -moz-pref("userChrome.icon.context_menu") {
    .context-menu-list .context-menu-item button {
      padding-inline-start: 0 !important;
    }
@ -321,7 +324,7 @@
      --menuitem-image: url("../icons/unpin-tab.svg");
    }
    .context-menu-item span[data-l10n-id="newtab-menu-edit-topsites"] {
-      --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+      --menuitem-image: url("../icons/edit-active.svg");
    }
    .context-menu-item span[data-l10n-id="newtab-menu-bookmark"] {
      --menuitem-image: url("chrome://browser/skin/bookmark.svg");
@ -338,7 +341,7 @@
    .context-menu-item span[data-l10n-id="newtab-menu-show-file"] {
      --menuitem-image: url("chrome://global/skin/icons/folder.svg");
    }
-    @supports -moz-bool-pref("userChrome.icon.library") {
+    @media -moz-pref("userChrome.icon.library") {
      .context-menu-item span[data-l10n-id="newtab-menu-show-file"] {
        --menuitem-image: url("../icons/folder.svg");
      }
@ -357,8 +360,13 @@
    }
  }
  /** Activity Stream - Web Site Icon: full size ******************************/
-  @supports -moz-bool-pref("userContent.newTab.full_icon") {
+  @media -moz-pref("userContent.newTab.full_icon") {
+    .top-site-outer {
+      width: 120px !important; /* v135: calc(var(--size-item-large) * 3); */
+    }
    .top-site-outer .tile {
+      width: 80px !important; /* v135: calc(var(--size-item-large) * 2); */
+      height: 80px !important; /* v135: calc(var(--size-item-large) * 2); */
      overflow: hidden;
    }
    .top-site-outer .icon-wrapper {
@ -371,13 +379,16 @@
    }
    .top-site-outer .context-menu-button {
      top: 0px !important; /* Original: -20px */
+      right: 0px !important;
+      width: 22px !important;
+      height: 22px !important;
    }
    .top-site-outer .context-menu {
      top: 16.75px !important; /* Original: 6.75px */
    }
  }
  /** Activity Stream - Animate ***********************************************/
-  @supports -moz-bool-pref("userContent.newTab.animate") {
+  @media -moz-pref("userContent.newTab.animate") {
    @media (prefers-reduced-motion: no-preference) {
      :root {
        --animation-easing-function: cubic-bezier(0.07, 0.95, 0, 1);
@ -407,7 +418,7 @@
      .search-wrapper .search-inner-wrapper > .search-handoff-button:focus {
        transition: border-color 0.5s var(--animation-easing-function), box-shadow 1s var(--animation-easing-function);
      }
-      @supports -moz-bool-pref("userContent.page.field_border") {
+      @media -moz-pref("userContent.page.field_border") {
        .search-wrapper .search-inner-wrapper:hover > input,
        .search-wrapper .search-inner-wrapper:hover > .search-handoff-button {
          border-color: var(--newtab-primary-action-background) !important;
@ -417,10 +428,11 @@
    }
  }
  /** Activity Stream - Pocket order to last **********************************/
-  @supports -moz-bool-pref("userContent.newTab.pocket_to_last") {
+  @media -moz-pref("userContent.newTab.pocket_to_last") {
    .body-wrapper.on {
      display: flex;
-      flex-wrap: wrap;
+      flex-wrap: wrap !important;
+      flex-direction: row !important;
    }
    .body-wrapper.on > .discovery-stream.ds-layout {
      flex-basis: 100%;
@ -433,7 +445,7 @@
    }
  }
  /** Activity Stream - Home Search Bar looks like proton *********************/
-  @supports -moz-bool-pref("userContent.newTab.searchbar") {
+  @media -moz-pref("userContent.newTab.searchbar") {
    /* Dropdown Colors */
    #root {
      --newtab-search-background-color: rgba(255, 255, 255, 1); /* Same as light theme's --panel-background */
@ -511,7 +523,7 @@
    }
  }
  /** Activity Stream - Hide Firefox's logo ***********************************/
-  @supports -moz-bool-pref("userContent.newTab.hidden_logo") {
+  @media -moz-pref("userContent.newTab.hidden_logo") {
    .logo-and-wordmark {
      display: none !important;
    }
@ -520,7 +532,7 @@
    }
  }
  /** Activity Stream - Custom background image *******************************/
-  @supports -moz-bool-pref("userContent.newTab.background_image") {
+  @media -moz-pref("userContent.newTab.background_image") {
    body::before {
      content: "";
      position: fixed;
@ -541,7 +553,7 @@
  }
 }
 /** Error Page - Restore illustrations ****************************************/
-@supports -moz-bool-pref("userContent.page.illustration") {
+@media -moz-pref("userContent.page.illustration") {
  @-moz-document url-prefix("about:neterror"), url-prefix("about:restartrequired"), url("chrome://browser/content/aboutRestartRequired.xhtml"), url("about:sessionrestore"), url("chrome://browser/content/aboutSessionRestore.xhtml")
  {
    /* Illustrations Position */
@ -648,7 +660,7 @@
 }
 /** Fully Dark Mode ***********************************************************/
 /*= Fully Dark Mode - Dark Mode Colors =======================================*/
-@supports -moz-bool-pref("userContent.page.proton_color") {
+@media -moz-pref("userContent.page.proton_color") {
  @-moz-document url-prefix("about:"), url-prefix("chrome://"), url-prefix("https://addons.mozilla.org"), url-prefix("https://support.mozilla.org"), url-prefix("https://accounts.firefox.com"), url-prefix("view-source"), regexp("^((jar:)?file:///).*/$")
  {
    /*= Default Colors - Hard Coded ==============================================*/
@ -835,7 +847,7 @@
        --menu-icon-opacity: var(--dark-menu-icon-opacity);
      }
    }
-    @supports -moz-bool-pref("userChrome.theme.non_native_menu") {
+    @media -moz-pref("userChrome.theme.non_native_menu") {
      @media (-moz-gtk-csd-available) {
        :root {
          /* Override some menu color variables for light browser themes. */
@ -869,7 +881,15 @@
        }
      }
    }
-    @supports -moz-bool-pref("userContent.page.proton_color.dark_blue_accent") {
+    @media -moz-pref("userContent.page.proton_color.dark_blue_accent") or -moz-pref("userContent.page.proton_color.system_accent") {
+      :root,
+      :host(.anonymous-content-host) {
+        --color-accent-primary: var(--in-content-primary-button-background) !important;
+        --color-accent-primary-hover: var(--in-content-primary-button-background-hover) !important;
+        --color-accent-primary-active: light-dark(var(--color-blue-70), var(--color-cyan-20));
+      }
+    }
+    @media -moz-pref("userContent.page.proton_color.dark_blue_accent") {
      @media (prefers-color-scheme: dark) {
        :host,
        :root {
@ -925,7 +945,7 @@
        }
      }
    }
-    @supports -moz-bool-pref("userContent.page.proton_color.system_accent") {
+    @media -moz-pref("userContent.page.proton_color.system_accent") {
      :host,
      :root {
        --in-content-primary-button-text-color: AccentColorText !important;
@ -933,7 +953,7 @@
        --in-content-primary-button-background-hover: color-mix(in srgb, black 10%, AccentColor) !important;
        --in-content-primary-button-background-active: color-mix(in srgb, black 20%, AccentColor) !important;
      }
-      @supports -moz-bool-pref("userChrome.compatibility.accent_color") {
+      @media -moz-pref("userChrome.compatibility.accent_color") {
        :host,
        :root {
          --in-content-primary-button-text-color: HighlightText !important;
@ -945,7 +965,7 @@
    }
  }
 }
-@supports -moz-bool-pref("userContent.page.dark_mode") {
+@media -moz-pref("userContent.page.dark_mode") {
  @media (prefers-color-scheme: dark) {
    /*= Addons.org =============================================================*/
    @-moz-document url-prefix("https://addons.mozilla.org")
@ -1827,7 +1847,7 @@
        box-shadow: 0 0 0 3px color-mix(in srgb, var(--in-content-primary-button-background-hover) 80%, transparent) !important;
      }
    }
-    @supports -moz-bool-pref("userContent.page.dark_mode.pdf") {
+    @media -moz-pref("userContent.page.dark_mode.pdf") {
      @-moz-document unobservable-document() {
        @-moz-document regexp("^(?!.*\\.pdf\\?n).*") {
          #outerContainer {
@ -1847,7 +1867,7 @@
  }
 }
 /** Fully Proton Mode *********************************************************/
-@supports -moz-bool-pref("userContent.page.proton") {
+@media -moz-pref("userContent.page.proton") {
  /*= Common contents ==========================================================*/ /*= abouts' common ===========================================================*/
  @-moz-document url-prefix("about:"), url-prefix("chrome://pippki/content/"), url-prefix("chrome://browser/content/")
  {
@ -1918,7 +1938,7 @@
      /* Ensure font-size isn't overridden by widget styling (e.g. in forms.css) */
      font-size: 1em !important;
    }
-    @supports -moz-bool-pref("userChrome.rounding.square_button") {
+    @media -moz-pref("userChrome.rounding.square_button") {
      button,
      select,
      input[type="color"] {
@ -1998,7 +2018,7 @@
      margin-inline: 0 6px !important;
      flex-shrink: 0 !important; /* avoid shrinking inside flex container */
    }
-    @supports -moz-bool-pref("userChrome.rounding.square_checklabel") {
+    @media -moz-pref("userChrome.rounding.square_checklabel") {
      input[type="checkbox"] {
        border-radius: 0 !important;
      }
@ -2092,7 +2112,7 @@
    }
  }
  /*= Field Border =============================================================*/
-  @supports -moz-bool-pref("userContent.page.field_border") {
+  @media -moz-pref("userContent.page.field_border") {
    @media (prefers-reduced-motion: no-preference) {
      @-moz-document url-prefix("about:") {
        html|input:is(
@ -2251,14 +2271,31 @@
      background-color: var(--in-content-box-background-odd);
    }
  }
+  @-moz-document url-prefix("about:preferences") {
+    .privacy-extra-information > .custom-option:not(:first-child) {
+      margin-block: 2px !important; /* Original: 10px */
+    }
+    .extra-information-label:not(:first-child) {
+      margin-top: 4px !important; /* Original: 19px */
+    }
+  }
  /*= about:processes ==========================================================*/
-  @-moz-document url-prefix("about:processes") {
+  @-moz-document url-prefix("about:processes"), url-prefix("about:performance") {
    td.type.favicon[style*='background-image: url("chrome://global/skin/icons/link.svg");']
    {
      background-image: url("../icons/link.svg") !important;
    }
    .profiler-icon {
-      background: url("../icons/performance.svg") no-repeat center !important;
+      cursor: pointer;
+      background-image: url("../icons/performance.svg") !important;
+      background-repeat: no-repeat !important;
+      background-position: center !important;
+      color: inherit !important;
+    }
+    @media not -moz-pref("userChrome.rounding.square_button") {
+      .profiler-icon {
+        border-radius: 8px !important;
+      }
    }
  }
  @-moz-document url-prefix("about:profiling") {
@ -2266,11 +2303,30 @@
      background-image: url("../icons/performance.svg") !important;
    }
  }
+  /*= about:processes ==========================================================*/
+  @-moz-document url-prefix("about:support") {
+    #reset-box-button {
+      --in-content-focus-outline-color: var(--in-content-danger-button-background) !important;
+      background-color: var(--in-content-danger-button-background) !important;
+      color: var(--in-content-primary-button-text-color) !important;
+      border-color: var(--in-content-primary-button-border-color) !important;
+    }
+    #reset-box-button:enabled:hover {
+      background-color: var(--in-content-danger-button-background-hover) !important;
+      color: var(--in-content-primary-button-text-color-hover) !important;
+      border-color: var(--in-content-primary-button-border-hover) !important;
+    }
+    #reset-box-button:enabled:hover:active {
+      background-color: var(--in-content-danger-button-background-active) !important;
+      color: var(--in-content-primary-button-text-color-active) !important;
+      border-color: var(--in-content-primary-button-border-active) !important;
+    }
+  }
  /*= chrome://browser/content/places/places.xhtml =============================*/
  @-moz-document url("chrome://browser/content/places/places.xhtml")
  {
    /** Library - Icons Replace *************************************************/
-    @supports -moz-bool-pref("userChrome.icon.library") {
+    @media -moz-pref("userChrome.icon.library") {
      /*= Standard Folder - More Visible ===========================================*/
      /* on Toolbar and Menus */
      :-moz-any(#PlacesToolbar, #BMB_bookmarksPopup, #bookmarksMenu)
@ -2449,7 +2505,7 @@
        background-position: right center;
      }
      /*= Proton ===============================================================*/
-      @supports -moz-bool-pref("userContent.page.proton") {
+      @media -moz-pref("userContent.page.proton") {
        :root {
          --organizer-color: -moz-DialogText;
          --organizer-deemphasized-color: GrayText;
@ -2524,7 +2580,7 @@
          padding: 5px !important;
          border-radius: 4px !important;
        }
-        @supports -moz-bool-pref("userChrome.rounding.square_button") {
+        @media -moz-pref("userChrome.rounding.square_button") {
          #placesToolbar > toolbarbutton {
            border-radius: 0 !important;
          }
@ -2541,7 +2597,7 @@
        }
        #placesToolbar > toolbarbutton > .toolbarbutton-icon,
        #placesMenu > menu > image,
-        #placesMenu > menu > .menubar-text {
+        #placesMenu > menu > :is(.menubar-text, .menu-text) {
          -moz-context-properties: fill !important;
          fill: currentColor !important;
        }
@ -2556,7 +2612,7 @@
          border-radius: 4px !important;
          margin-inline-end: 2px !important;
        }
-        @supports -moz-bool-pref("userChrome.rounding.square_button") {
+        @media -moz-pref("userChrome.rounding.square_button") {
          #placesMenu > menu {
            border-radius: 0 !important;
          }
@ -2571,7 +2627,7 @@
          background-color: var(--organizer-selected-background) !important;
          color: var(--organizer-selected-color) !important;
        }
-        #placesMenu > menu > .menubar-text {
+        #placesMenu > menu > :is(.menubar-text, .menu-text) {
          margin-block: 0 !important; /* override menu.css */
          padding-inline-end: 4px !important;
        }
@ -2587,7 +2643,7 @@
          padding-block: 2px !important;
          min-height: 24px !important;
        }
-        @supports -moz-bool-pref("userChrome.rounding.square_field") {
+        @media -moz-pref("userChrome.rounding.square_field") {
          #searchFilter,
          #detailsPane html|input {
            border-radius: 0 !important;
@ -2734,7 +2790,7 @@
          -moz-context-properties: fill !important;
          fill: currentColor !important;
        }
-        @supports -moz-bool-pref("userChrome.rounding.square_button") {
+        @media -moz-pref("userChrome.rounding.square_button") {
          #editBookmarkPanelRows .expander-up,
          #editBookmarkPanelRows .expander-down {
            border-radius: 0 !important;
@ -2773,7 +2829,7 @@
          min-height: 20px !important;
          padding-inline: 4px !important;
        }
-        @supports -moz-bool-pref("userChrome.rounding.square_field") {
+        @media -moz-pref("userChrome.rounding.square_field") {
          #places input {
            border-radius: 0 !important;
          }
@ -2796,7 +2852,7 @@
          border: 1px solid var(--organizer-border-color) !important;
          border-radius: 4px !important;
        }
-        @supports -moz-bool-pref("userChrome.rounding.square_field") {
+        @media -moz-pref("userChrome.rounding.square_field") {
          #editBMPanel_tagsSelectorRow > richlistbox {
            border-radius: 0 !important;
          }
@ -2835,7 +2891,7 @@
          fill: currentColor !important;
          color: var(--in-content-primary-button-text-color) !important;
          background-color: var(--in-content-primary-button-background) !important;
-          background-image: url("chrome://global/skin/icons/radio.svg") !important;
+          background-image: url("../icons/radio.svg") !important;
          border-color: transparent !important;
          /* Style the button also when printing with "Print Backgrounds" unchecked */
          color-adjust: exact !important;
@ -2897,7 +2953,7 @@
          color: var(--checkbox-checked-color, AccentColorText) !important;
          background-color: var(--checkbox-checked-bgcolor, AccentColor) !important;
        }
-        @supports -moz-bool-pref("userChrome.compatibility.accent_color") {
+        @media -moz-pref("userChrome.compatibility.accent_color") {
          menuitem[type="checkbox"] > .menu-iconic-left[checked="true"] > .menu-iconic-icon {
            color: var(--checkbox-checked-color, -moz-accent-color-foreground) !important;
            background-color: var(--checkbox-checked-bgcolor, -moz-accent-color) !important;
@ -2909,7 +2965,7 @@
            color-mix(in srgb, AccentColor 4%, Field)
          ) !important;
        }
-        @supports -moz-bool-pref("userChrome.compatibility.accent_color") {
+        @media -moz-pref("userChrome.compatibility.accent_color") {
          menuitem[type="checkbox"]:not([disabled="true"]):hover > .menu-iconic-left > .menu-iconic-icon {
            background-color: var(
              --checkbox-unchecked-hover-bgcolor,
@ -2923,7 +2979,7 @@
            color-mix(in srgb, AccentColor 8%, Field)
          ) !important;
        }
-        @supports -moz-bool-pref("userChrome.compatibility.accent_color") {
+        @media -moz-pref("userChrome.compatibility.accent_color") {
          menuitem[type="checkbox"]:not([disabled="true"]):hover:active > .menu-iconic-left > .menu-iconic-icon {
            background-color: var(
              --checkbox-unchecked-active-bgcolor,
@ -2937,7 +2993,7 @@
            color-mix(in srgb, currentColor 12.5%, AccentColor)
          ) !important;
        }
-        @supports -moz-bool-pref("userChrome.compatibility.accent_color") {
+        @media -moz-pref("userChrome.compatibility.accent_color") {
          menuitem[type="checkbox"]:not([disabled="true"]):hover
            > .menu-iconic-left[checked="true"]
            > .menu-iconic-icon {
@ -2955,7 +3011,7 @@
            color-mix(in srgb, currentColor 25%, AccentColor)
          ) !important;
        }
-        @supports -moz-bool-pref("userChrome.compatibility.accent_color") {
+        @media -moz-pref("userChrome.compatibility.accent_color") {
          menuitem[type="checkbox"]:not([disabled="true"]):hover:active
            > .menu-iconic-left[checked="true"]
            > .menu-iconic-icon {
@ -2969,7 +3025,7 @@
          outline: 2px solid var(--focus-outline-color, AccentColor) !important;
          outline-offset: var(--focus-outline-offset, 2px) !important;
        }
-        @supports -moz-bool-pref("userChrome.compatibility.accent_color") {
+        @media -moz-pref("userChrome.compatibility.accent_color") {
          menuitem[type="checkbox"]:focus > .menu-iconic-left > .menu-iconic-icon {
            outline: 2px solid var(--focus-outline-color, -moz-accent-color) !important;
          }
@ -2979,7 +3035,7 @@
            /* color will set the border-color on the check due to how HCM works for in-content pages. */
            color: var(--checkbox-checked-border-color, color-mix(in srgb, AccentColor 4%, Field)) !important;
          }
-          @supports -moz-bool-pref("userChrome.compatibility.accent_color") {
+          @media -moz-pref("userChrome.compatibility.accent_color") {
            menuitem[type="checkbox"]:not([disabled="true"]) > .menu-iconic-left > .menu-iconic-icon {
              /* color will set the border-color on the check due to how HCM works for in-content pages. */
              color: var(--checkbox-checked-border-color, color-mix(in srgb, -moz-accent-color 4%, Field)) !important;
@ -2989,7 +3045,7 @@
            color: var(--checkbox-checked-border-color, currentColor) !important;
            fill: var(--checkbox-checked-color, AccentColorText) !important;
          }
-          @supports -moz-bool-pref("userChrome.compatibility.accent_color") {
+          @media -moz-pref("userChrome.compatibility.accent_color") {
            menuitem[type="checkbox"] > .menu-iconic-left[checked="true"] {
              fill: var(--checkbox-checked-color, -moz-accent-color-foreground) !important;
            }
@ -3003,7 +3059,7 @@
            color: var(--checkbox-checked-border-color-hover, AccentColorText) !important;
            fill: var(--checkbox-checked-border-color-hover, AccentColorText) !important;
          }
-          @supports -moz-bool-pref("userChrome.compatibility.accent_color") {
+          @media -moz-pref("userChrome.compatibility.accent_color") {
            menuitem[type="checkbox"]:not([disabled="true"]):hover:active
              > .menu-iconic-left[checked="true"]
              > .menu-iconic-icon,
@ -3036,7 +3092,7 @@
  }
 }
 /** Rounding ******************************************************************/
-@supports -moz-bool-pref("userChrome.rounding.square_button") {
+@media -moz-pref("userChrome.rounding.square_button") {
  .all-buttons-container,
  .highlight-buttons > button,
  .cancel-shot,
@ -3086,14 +3142,14 @@
    }
  }
 }
-@supports -moz-bool-pref("userChrome.rounding.square_dialog") {
+@media -moz-pref("userChrome.rounding.square_dialog") {
  @-moz-document url("about:home"), url("about:newtab") {
    .modal {
      border-radius: 0 !important;
    }
  }
 }
-@supports -moz-bool-pref("userChrome.rounding.square_checklabel") {
+@media -moz-pref("userChrome.rounding.square_checklabel") {
  @-moz-document url-prefix("about:"), regexp("^chrome://\\w+/content/.*.xhtml$")
  {
    input[type="checkbox"]:not(.toggle-button),
@ -3102,7 +3158,7 @@
    }
  }
 }
-@supports -moz-bool-pref("userChrome.rounding.square_field") {
+@media -moz-pref("userChrome.rounding.square_field") {
  @-moz-document url-prefix("about:"), regexp("^chrome://\\w+/content/.*.xhtml$")
  {
    input:is(
@ -3146,7 +3202,7 @@
    }
  }
 }
-@supports -moz-bool-pref("userChrome.rounding.square_menupopup") {
+@media -moz-pref("userChrome.rounding.square_menupopup") {
  @-moz-document url-prefix("about:"), url-prefix("chrome://")
  {
    panel,
@ -3176,7 +3232,7 @@
    }
  }
 }
-@supports -moz-bool-pref("userChrome.rounding.square_infobox") {
+@media -moz-pref("userChrome.rounding.square_infobox") {
  @-moz-document url-prefix("about:"), regexp("^chrome://\\w+/content/.*.xhtml$")
  {
    /*
@ -3208,7 +3264,7 @@
  }
 }
@-moz-document url-prefix("about:"), regexp(".*.pdf$") {
-  @supports -moz-bool-pref("userChrome.rounding.square_dialog") {
+  @media -moz-pref("userChrome.rounding.square_dialog") {
    dialog,
    .dialogBox {
      border-radius: 0 !important;
@ -3218,7 +3274,7 @@
@-moz-document url("chrome://browser/content/places/places.xhtml")
 {
  /*= Library ==============================================================*/
-  @supports -moz-bool-pref("userChrome.rounding.square_button") {
+  @media -moz-pref("userChrome.rounding.square_button") {
    #placesToolbar > toolbarbutton,
    #placesMenu > menu,
    #editBookmarkPanelRows .expander-up,
@ -3226,7 +3282,7 @@
      border-radius: 0 !important;
    }
  }
-  @supports -moz-bool-pref("userChrome.rounding.square_field") {
+  @media -moz-pref("userChrome.rounding.square_field") {
    #searchFilter,
    #detailsPane html|input,
    #places input #editBMPanel_tagsSelectorRow > richlistbox {
@ -3235,7 +3291,7 @@
  }
 }
 /** Monospace *****************************************************************/
-@supports -moz-bool-pref("userContent.page.monospace") {
+@media -moz-pref("userContent.page.monospace") {
  @-moz-document url-prefix("about:"), url-prefix("chrome://"), regexp("^((jar:)?file:///).*/$")
  {
    * {
@ -3244,22 +3300,27 @@
  }
 }
 /** Menu - Icons Layout *******************************************************/
-@supports not -moz-bool-pref("userChrome.icon.disabled") {
-  @supports -moz-bool-pref("userChrome.icon.menu") {
+@media not -moz-pref("userChrome.icon.disabled") {
+  @media -moz-pref("userChrome.icon.menu") {
+    @-moz-document url-prefix("about:"), url-prefix("chrome://"), regexp("^((jar:)?file:///).*/$")
+    {
      :root {
        --uc-folder-icon: url("chrome://global/skin/icons/folder.svg");
      }
-    @supports -moz-bool-pref("userChrome.icon.library") {
+      @media -moz-pref("userChrome.icon.library") {
        :root {
          --uc-folder-icon: url("../icons/folder.svg");
        }
      }
+    }
    @-moz-document url("chrome://browser/content/places/places.xhtml"), url("about:downloads")
    {
      menupopup menuitem:not([type="checkbox"][checked="true"], [type="radio"]),
      menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]),
      menupopup menuitem:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-iconic-left > .menu-iconic-icon,
-      menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-iconic-left > .menu-iconic-icon {
+      menupopup menuitem:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-icon,
+      menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-iconic-left > .menu-iconic-icon,
+      menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-icon {
        -moz-appearance: none !important; /* Linux: menulist */
      }
      menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
@ -3279,7 +3340,7 @@
        background-image: var(--menuitem-image);
      }
      /* For native context menus */
-      @supports -moz-bool-pref("widget.macos.native-context-menus") or -moz-bool-pref("widget.gtk.native-context-menus") {
+      @media -moz-pref("widget.macos.native-context-menus") or -moz-pref("widget.gtk.native-context-menus") {
        :not(menu, #ContentSelectDropdown)
          > menupopup:not(.in-menulist)
          > menuitem:not(.menuitem-iconic, .bookmark-item, .in-menulist, [checked="true"]),
@ -3332,7 +3393,7 @@
        }
      }
      @media (-moz-platform: windows), (-moz-gtk-csd-available) {
-        @supports -moz-bool-pref("userChrome.theme.non_native_menu") {
+        @media -moz-pref("userChrome.theme.non_native_menu") {
          @media (-moz-platform: windows) and (-moz-gtk-csd-available),
            (-moz-gtk-csd-available) and (-moz-gtk-csd-available) {
            :root {
@ -3375,6 +3436,12 @@
          --context-menu-background-padding-default: 6px;
          --context-menu-text-padding: 21px;
        }
+        .menu-icon {
+          display: unset !important;
+        }
+        #main-menubar > menu > .menu-icon {
+          display: none !important;
+        }
        /* Contextmenu Checkbox Unset */
        menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu) menuitem[type="checkbox"] {
          margin-inline: 0 !important;
@ -3382,19 +3449,25 @@
        menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
          menuitem[type="checkbox"]
          > .menu-iconic-left
-          > .menu-iconic-icon {
+          > .menu-iconic-icon,
+        menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
+          menuitem[type="checkbox"]
+          > .menu-icon {
          margin-inline-end: 0 !important;
        }
        menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
          menuitem[type="checkbox"]:not([checked="true"])
          > .menu-iconic-left
-          > .menu-iconic-icon {
+          > .menu-iconic-icon,
+        menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
+          menuitem[type="checkbox"]:not([checked="true"])
+          > .menu-icon {
          border: none !important;
          background-color: unset !important;
        }
      }
      /* Padding - Mac */
-      @supports -moz-bool-pref("layout.css.osx-font-smoothing.enabled") {
+      @media -moz-pref("layout.css.osx-font-smoothing.enabled") {
        :root {
          --context-menu-background-padding-default: 10px;
          --context-menu-mac-padding: 21px;
@ -3424,7 +3497,7 @@
        }
      }
      /*= Context Menu ===========================================================*/
-      @supports -moz-bool-pref("userChrome.icon.context_menu") {
+      @media -moz-pref("userChrome.icon.context_menu") {
        /* Icon lists */
        /*= downloadsContextMenu =====================================================*/
        .downloadPauseMenuItem {
@ -3493,7 +3566,7 @@
        #placesContext_show_bookmark\:info,
        #placesContext_show\:info,
        #placesContext_show_folder\:info {
-          --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+          --menuitem-image: url("../icons/edit-active.svg");
        }
        #placesContext_deleteBookmark,
        #placesContext_deleteFolder,
@ -3543,7 +3616,7 @@
          --menuitem-image: url("../icons/movetowindow-16.svg");
        }
      }
-      @supports -moz-bool-pref("userChrome.icon.global_menu") {
+      @media -moz-pref("userChrome.icon.global_menu") {
        /*= organizeButtonPopup ======================================================*/
        #newbookmark {
          --menuitem-image: url("chrome://browser/skin/bookmark.svg");
@ -3557,7 +3630,7 @@
        #orgUndo {
          --menuitem-image: url("../icons/undo.svg");
        }
-        @supports -moz-bool-pref("userChrome.icon.menu.full") {
+        @media -moz-pref("userChrome.icon.menu.full") {
          #orgRedo {
            --menuitem-image: url("../icons/redo.svg");
          }
@ -3591,7 +3664,7 @@
        #backupBookmarks {
          --menuitem-image: url("../icons/datastore.svg");
        }
-        @supports -moz-bool-pref("userChrome.icon.menu.full") {
+        @media -moz-pref("userChrome.icon.menu.full") {
          #fileRestoreMenu {
            --menuitem-image: url("../icons/datarestore.svg");
          }
@ -3608,8 +3681,8 @@
      }
    }
    @-moz-document url-prefix("about:addons") {
-      @supports -moz-bool-pref("userChrome.icon.context_menu") {
-        button[role="menuitem"] {
+      @media -moz-pref("userChrome.icon.context_menu") {
+        button:is([role="menuitem"], [role="menuitemcheckbox"]) {
          background-image: var(--icon, url("../icons/blank.svg")); /* Don't use !important. because of [checked] */
        }
        panel-item[action="check-for-updates"] {
@ -3638,7 +3711,7 @@
      }
    }
    @-moz-document url-prefix("about:logins") {
-      @supports -moz-bool-pref("userChrome.icon.context_menu") {
+      @media -moz-pref("userChrome.icon.context_menu") {
        .menuitem-export {
          background-image: url("../icons/toolbarButton-download.svg") !important;
        }
@ -3649,7 +3722,7 @@
 /** Download Panel ************************************************************/
@-moz-document url-prefix("about:downloads") {
  @media (prefers-reduced-motion: no-preference) {
-    @supports -moz-bool-pref("userChrome.decoration.download_panel") {
+    @media -moz-pref("userChrome.decoration.download_panel") {
      /* Accent Color for downloaded item */
      #downloadsListBox .download-state[exists] .downloadDetails {
        color: var(--button-primary-bgcolor);
@ -3670,8 +3743,7 @@
      }
    }
  }
-}
-/*@ NIGHTLY @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
+} /*@ DEPRECATED @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
 /** Compatibility *************************************************************/
@-moz-document url-prefix("about:preferences") {
  .content-blocking-warning.info-box-container > hbox > .content-blocking-warning-image {
@ -3714,6 +3786,9 @@
    box-sizing: content-box;
    padding: 0 !important;
  }
+  button[data-l10n-id="addon-updates-manual-updates-found"] {
+    height: 100%;
+  }
  #categories {
    padding-inline-end: 1px !important; /* Original: 4px */
  }
@ -3993,7 +4068,7 @@
      --menuitem-image: url("../icons/unpin-tab.svg");
    }
    .context-menu-item span[data-l10n-id="newtab-menu-edit-topsites"] {
-      --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+      --menuitem-image: url("../icons/edit-active.svg");
    }
    .context-menu-item span[data-l10n-id="newtab-menu-bookmark"] {
      --menuitem-image: url("chrome://browser/skin/bookmark.svg");
@ -4038,7 +4113,12 @@
  }
  /** Activity Stream - Web Site Icon: full size ******************************/
  @media (-moz-bool-pref: "userContent.newTab.full_icon") {
+    .top-site-outer {
+      width: 120px !important; /* v135: calc(var(--size-item-large) * 3); */
+    }
    .top-site-outer .tile {
+      width: 80px !important; /* v135: calc(var(--size-item-large) * 2); */
+      height: 80px !important; /* v135: calc(var(--size-item-large) * 2); */
      overflow: hidden;
    }
    .top-site-outer .icon-wrapper {
@ -4051,6 +4131,9 @@
    }
    .top-site-outer .context-menu-button {
      top: 0px !important; /* Original: -20px */
+      right: 0px !important;
+      width: 22px !important;
+      height: 22px !important;
    }
    .top-site-outer .context-menu {
      top: 16.75px !important; /* Original: 6.75px */
@ -4093,12 +4176,12 @@
      border-color: var(--newtab-primary-action-background) !important;
      transition: border-color 0.5s var(--animation-easing-function);
    }
-  }
-  /** Activity Stream - Pocket order to last **********************************/
+  } /** Activity Stream - Pocket order to last **********************************/
  @media (-moz-bool-pref: "userContent.newTab.pocket_to_last") {
    .body-wrapper.on {
      display: flex;
-      flex-wrap: wrap;
+      flex-wrap: wrap !important;
+      flex-direction: row !important;
    }
    .body-wrapper.on > .discovery-stream.ds-layout {
      flex-basis: 100%;
@ -4559,6 +4642,15 @@
        --menu-icon-opacity: var(--dark-menu-icon-opacity);
      }
    }
+    @media (-moz-bool-pref: "userContent.page.proton_color") and (-moz-bool-pref: "userContent.page.proton_color.dark_blue_accent"),
+      (-moz-bool-pref: "userContent.page.proton_color") and (-moz-bool-pref: "userContent.page.proton_color.system_accent") {
+      :root,
+      :host(.anonymous-content-host) {
+        --color-accent-primary: var(--in-content-primary-button-background) !important;
+        --color-accent-primary-hover: var(--in-content-primary-button-background-hover) !important;
+        --color-accent-primary-active: light-dark(var(--color-blue-70), var(--color-cyan-20));
+      }
+    }
    @media (-moz-bool-pref: "userContent.page.proton_color") and (-moz-bool-pref: "userContent.page.proton_color.dark_blue_accent") and (prefers-color-scheme: dark) {
      :host,
      :root {
@ -5786,6 +5878,7 @@
  /*= about:memory =============================================================*/
  /*= about:preferences ========================================================*/
  /*= about:processes ==========================================================*/
+  /*= about:processes ==========================================================*/
  /*= chrome://browser/content/places/places.xhtml =============================*/
 }
@media (-moz-bool-pref: "userContent.page.proton") and (-moz-bool-pref: "userContent.page.field_border") and (prefers-reduced-motion: no-preference) {
@ -5950,13 +6043,32 @@
  }
 }
@media (-moz-bool-pref: "userContent.page.proton") {
-  @-moz-document url-prefix("about:processes") {
+  @-moz-document url-prefix("about:preferences") {
+    .privacy-extra-information > .custom-option:not(:first-child) {
+      margin-block: 2px !important; /* Original: 10px */
+    }
+    .extra-information-label:not(:first-child) {
+      margin-top: 4px !important; /* Original: 19px */
+    }
+  }
+}
+@media (-moz-bool-pref: "userContent.page.proton") {
+  @-moz-document url-prefix("about:processes"), url-prefix("about:performance") {
    td.type.favicon[style*='background-image: url("chrome://global/skin/icons/link.svg");']
    {
      background-image: url("../icons/link.svg") !important;
    }
    .profiler-icon {
-      background: url("../icons/performance.svg") no-repeat center !important;
+      cursor: pointer;
+      background-image: url("../icons/performance.svg") !important;
+      background-repeat: no-repeat !important;
+      background-position: center !important;
+      color: inherit !important;
+    }
+    @media (-moz-bool-pref: "userContent.page.proton") and (not (-moz-bool-pref: "userChrome.rounding.square_button")) {
+      .profiler-icon {
+        border-radius: 8px !important;
+      }
    }
  }
 }
@ -5967,6 +6079,26 @@
    }
  }
 }
+@media (-moz-bool-pref: "userContent.page.proton") {
+  @-moz-document url-prefix("about:support") {
+    #reset-box-button {
+      --in-content-focus-outline-color: var(--in-content-danger-button-background) !important;
+      background-color: var(--in-content-danger-button-background) !important;
+      color: var(--in-content-primary-button-text-color) !important;
+      border-color: var(--in-content-primary-button-border-color) !important;
+    }
+    #reset-box-button:enabled:hover {
+      background-color: var(--in-content-danger-button-background-hover) !important;
+      color: var(--in-content-primary-button-text-color-hover) !important;
+      border-color: var(--in-content-primary-button-border-hover) !important;
+    }
+    #reset-box-button:enabled:hover:active {
+      background-color: var(--in-content-danger-button-background-active) !important;
+      color: var(--in-content-primary-button-text-color-active) !important;
+      border-color: var(--in-content-primary-button-border-active) !important;
+    }
+  }
+}
@media (-moz-bool-pref: "userContent.page.proton") {
  @-moz-document url("chrome://browser/content/places/places.xhtml")
  {
@ -6259,7 +6391,7 @@
    @media (-moz-bool-pref: "userContent.page.proton") and (-moz-gtk-csd-available) and (-moz-bool-pref: "userContent.page.proton") {
      #placesToolbar > toolbarbutton > .toolbarbutton-icon,
      #placesMenu > menu > image,
-      #placesMenu > menu > .menubar-text {
+      #placesMenu > menu > :is(.menubar-text, .menu-text) {
        -moz-context-properties: fill !important;
        fill: currentColor !important;
      }
@ -6297,7 +6429,7 @@
      }
    }
    @media (-moz-bool-pref: "userContent.page.proton") and (-moz-gtk-csd-available) and (-moz-bool-pref: "userContent.page.proton") {
-      #placesMenu > menu > .menubar-text {
+      #placesMenu > menu > :is(.menubar-text, .menu-text) {
        margin-block: 0 !important; /* override menu.css */
        padding-inline-end: 4px !important;
      }
@ -6611,7 +6743,7 @@
        fill: currentColor !important;
        color: var(--in-content-primary-button-text-color) !important;
        background-color: var(--in-content-primary-button-background) !important;
-        background-image: url("chrome://global/skin/icons/radio.svg") !important;
+        background-image: url("../icons/radio.svg") !important;
        border-color: transparent !important;
        /* Style the button also when printing with "Print Backgrounds" unchecked */
        color-adjust: exact !important;
@ -7031,22 +7163,25 @@
 }
 /** Menu - Icons Layout *******************************************************/
@media (not (-moz-bool-pref: "userChrome.icon.disabled")) and (-moz-bool-pref: "userChrome.icon.menu") {
+  @-moz-document url-prefix("about:"), url-prefix("chrome://"), regexp("^((jar:)?file:///).*/$")
+  {
    :root {
      --uc-folder-icon: url("chrome://global/skin/icons/folder.svg");
    }
-}
    @media (not (-moz-bool-pref: "userChrome.icon.disabled")) and (-moz-bool-pref: "userChrome.icon.menu") and (-moz-bool-pref: "userChrome.icon.library") {
      :root {
        --uc-folder-icon: url("../icons/folder.svg");
      }
    }
-@media (not (-moz-bool-pref: "userChrome.icon.disabled")) and (-moz-bool-pref: "userChrome.icon.menu") {
+  }
  @-moz-document url("chrome://browser/content/places/places.xhtml"), url("about:downloads")
  {
    menupopup menuitem:not([type="checkbox"][checked="true"], [type="radio"]),
    menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]),
    menupopup menuitem:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-iconic-left > .menu-iconic-icon,
-    menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-iconic-left > .menu-iconic-icon {
+    menupopup menuitem:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-icon,
+    menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-iconic-left > .menu-iconic-icon,
+    menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-icon {
      -moz-appearance: none !important; /* Linux: menulist */
    }
    menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
@ -7158,6 +7293,12 @@
        --context-menu-background-padding-default: 6px;
        --context-menu-text-padding: 21px;
      }
+      .menu-icon {
+        display: unset !important;
+      }
+      #main-menubar > menu > .menu-icon {
+        display: none !important;
+      }
      /* Contextmenu Checkbox Unset */
      menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu) menuitem[type="checkbox"] {
        margin-inline: 0 !important;
@ -7165,13 +7306,19 @@
      menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
        menuitem[type="checkbox"]
        > .menu-iconic-left
-        > .menu-iconic-icon {
+        > .menu-iconic-icon,
+      menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
+        menuitem[type="checkbox"]
+        > .menu-icon {
        margin-inline-end: 0 !important;
      }
      menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
        menuitem[type="checkbox"]:not([checked="true"])
        > .menu-iconic-left
-        > .menu-iconic-icon {
+        > .menu-iconic-icon,
+      menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
+        menuitem[type="checkbox"]:not([checked="true"])
+        > .menu-icon {
        border: none !important;
        background-color: unset !important;
      }
@ -7274,7 +7421,7 @@
      #placesContext_show_bookmark\:info,
      #placesContext_show\:info,
      #placesContext_show_folder\:info {
-        --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+        --menuitem-image: url("../icons/edit-active.svg");
      }
      #placesContext_deleteBookmark,
      #placesContext_deleteFolder,
@ -7412,11 +7559,9 @@
      }
    }
  }
-}
-@media (not (-moz-bool-pref: "userChrome.icon.disabled")) and (-moz-bool-pref: "userChrome.icon.menu") {
  @-moz-document url-prefix("about:addons") {
    @media (not (-moz-bool-pref: "userChrome.icon.disabled")) and (-moz-bool-pref: "userChrome.icon.menu") and (-moz-bool-pref: "userChrome.icon.context_menu") {
-      button[role="menuitem"] {
+      button:is([role="menuitem"], [role="menuitemcheckbox"]) {
        background-image: var(--icon, url("../icons/blank.svg")); /* Don't use !important. because of [checked] */
      }
      panel-item[action="check-for-updates"] {
@ -7444,8 +7589,6 @@
      }
    }
  }
-}
-@media (not (-moz-bool-pref: "userChrome.icon.disabled")) and (-moz-bool-pref: "userChrome.icon.menu") {
  @-moz-document url-prefix("about:logins") {
    @media (not (-moz-bool-pref: "userChrome.icon.disabled")) and (-moz-bool-pref: "userChrome.icon.menu") and (-moz-bool-pref: "userChrome.icon.context_menu") {
      .menuitem-export {
--- a/css/leptonContentESR.css
+++ b/css/leptonContentESR.css
@ -42,6 +42,9 @@
    box-sizing: content-box;
    padding: 0 !important;
  }
+  button[data-l10n-id="addon-updates-manual-updates-found"] {
+    height: 100%;
+  }
  #categories {
    padding-inline-end: 1px !important; /* Original: 4px */
  }
@ -321,7 +324,7 @@
      --menuitem-image: url("../icons/unpin-tab.svg");
    }
    .context-menu-item span[data-l10n-id="newtab-menu-edit-topsites"] {
-      --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+      --menuitem-image: url("../icons/edit-active.svg");
    }
    .context-menu-item span[data-l10n-id="newtab-menu-bookmark"] {
      --menuitem-image: url("chrome://browser/skin/bookmark.svg");
@ -358,7 +361,12 @@
  }
  /** Activity Stream - Web Site Icon: full size ******************************/
  @supports -moz-bool-pref("userContent.newTab.full_icon") {
+    .top-site-outer {
+      width: 120px !important; /* v135: calc(var(--size-item-large) * 3); */
+    }
    .top-site-outer .tile {
+      width: 80px !important; /* v135: calc(var(--size-item-large) * 2); */
+      height: 80px !important; /* v135: calc(var(--size-item-large) * 2); */
      overflow: hidden;
    }
    .top-site-outer .icon-wrapper {
@ -371,6 +379,9 @@
    }
    .top-site-outer .context-menu-button {
      top: 0px !important; /* Original: -20px */
+      right: 0px !important;
+      width: 22px !important;
+      height: 22px !important;
    }
    .top-site-outer .context-menu {
      top: 16.75px !important; /* Original: 6.75px */
@ -420,7 +431,8 @@
  @supports -moz-bool-pref("userContent.newTab.pocket_to_last") {
    .body-wrapper.on {
      display: flex;
-      flex-wrap: wrap;
+      flex-wrap: wrap !important;
+      flex-direction: row !important;
    }
    .body-wrapper.on > .discovery-stream.ds-layout {
      flex-basis: 100%;
@ -871,6 +883,14 @@
        }
      }
    }
+    @supports -moz-bool-pref("userContent.page.proton_color.dark_blue_accent") or -moz-bool-pref("userContent.page.proton_color.system_accent") {
+      :root,
+      :host(.anonymous-content-host) {
+        --color-accent-primary: var(--in-content-primary-button-background) !important;
+        --color-accent-primary-hover: var(--in-content-primary-button-background-hover) !important;
+        --color-accent-primary-active: light-dark(var(--color-blue-70), var(--color-cyan-20));
+      }
+    }
    @supports -moz-bool-pref("userContent.page.proton_color.dark_blue_accent") {
      @media (-moz-toolbar-prefers-color-scheme: dark), (prefers-color-scheme: dark) {
        :host,
@ -2254,14 +2274,31 @@
      background-color: var(--in-content-box-background-odd);
    }
  }
+  @-moz-document url-prefix("about:preferences") {
+    .privacy-extra-information > .custom-option:not(:first-child) {
+      margin-block: 2px !important; /* Original: 10px */
+    }
+    .extra-information-label:not(:first-child) {
+      margin-top: 4px !important; /* Original: 19px */
+    }
+  }
  /*= about:processes ==========================================================*/
-  @-moz-document url-prefix("about:processes") {
+  @-moz-document url-prefix("about:processes"), url-prefix("about:performance") {
    td.type.favicon[style*='background-image: url("chrome://global/skin/icons/link.svg");']
    {
      background-image: url("../icons/link.svg") !important;
    }
    .profiler-icon {
-      background: url("../icons/performance.svg") no-repeat center !important;
+      cursor: pointer;
+      background-image: url("../icons/performance.svg") !important;
+      background-repeat: no-repeat !important;
+      background-position: center !important;
+      color: inherit !important;
+    }
+    @supports not -moz-bool-pref("userChrome.rounding.square_button") {
+      .profiler-icon {
+        border-radius: 8px !important;
+      }
    }
  }
  @-moz-document url-prefix("about:profiling") {
@ -2269,6 +2306,25 @@
      background-image: url("../icons/performance.svg") !important;
    }
  }
+  /*= about:processes ==========================================================*/
+  @-moz-document url-prefix("about:support") {
+    #reset-box-button {
+      --in-content-focus-outline-color: var(--in-content-danger-button-background) !important;
+      background-color: var(--in-content-danger-button-background) !important;
+      color: var(--in-content-primary-button-text-color) !important;
+      border-color: var(--in-content-primary-button-border-color) !important;
+    }
+    #reset-box-button:enabled:hover {
+      background-color: var(--in-content-danger-button-background-hover) !important;
+      color: var(--in-content-primary-button-text-color-hover) !important;
+      border-color: var(--in-content-primary-button-border-hover) !important;
+    }
+    #reset-box-button:enabled:hover:active {
+      background-color: var(--in-content-danger-button-background-active) !important;
+      color: var(--in-content-primary-button-text-color-active) !important;
+      border-color: var(--in-content-primary-button-border-active) !important;
+    }
+  }
  /*= chrome://browser/content/places/places.xhtml =============================*/
  @-moz-document url("chrome://browser/content/places/places.xhtml")
  {
@ -2544,7 +2600,7 @@
        }
        #placesToolbar > toolbarbutton > .toolbarbutton-icon,
        #placesMenu > menu > image,
-        #placesMenu > menu > .menubar-text {
+        #placesMenu > menu > :is(.menubar-text, .menu-text) {
          -moz-context-properties: fill !important;
          fill: currentColor !important;
        }
@ -2574,7 +2630,7 @@
          background-color: var(--organizer-selected-background) !important;
          color: var(--organizer-selected-color) !important;
        }
-        #placesMenu > menu > .menubar-text {
+        #placesMenu > menu > :is(.menubar-text, .menu-text) {
          margin-block: 0 !important; /* override menu.css */
          padding-inline-end: 4px !important;
        }
@ -2838,7 +2894,7 @@
          fill: currentColor !important;
          color: var(--in-content-primary-button-text-color) !important;
          background-color: var(--in-content-primary-button-background) !important;
-          background-image: url("chrome://global/skin/icons/radio.svg") !important;
+          background-image: url("../icons/radio.svg") !important;
          border-color: transparent !important;
          /* Style the button also when printing with "Print Backgrounds" unchecked */
          color-adjust: exact !important;
@ -3249,6 +3305,8 @@
 /** Menu - Icons Layout *******************************************************/
@supports not -moz-bool-pref("userChrome.icon.disabled") {
  @supports -moz-bool-pref("userChrome.icon.menu") {
+    @-moz-document url-prefix("about:"), url-prefix("chrome://"), regexp("^((jar:)?file:///).*/$")
+    {
      :root {
        --uc-folder-icon: url("chrome://global/skin/icons/folder.svg");
      }
@ -3257,12 +3315,15 @@
          --uc-folder-icon: url("../icons/folder.svg");
        }
      }
+    }
    @-moz-document url("chrome://browser/content/places/places.xhtml"), url("about:downloads")
    {
      menupopup menuitem:not([type="checkbox"][checked="true"], [type="radio"]),
      menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]),
      menupopup menuitem:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-iconic-left > .menu-iconic-icon,
-      menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-iconic-left > .menu-iconic-icon {
+      menupopup menuitem:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-icon,
+      menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-iconic-left > .menu-iconic-icon,
+      menupopup menu:not([type="checkbox"][checked="true"], [type="radio"]) > .menu-icon {
        -moz-appearance: none !important; /* Linux: menulist */
      }
      menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
@ -3514,6 +3575,12 @@
          --context-menu-background-padding-default: 6px;
          --context-menu-text-padding: 21px;
        }
+        .menu-icon {
+          display: unset !important;
+        }
+        #main-menubar > menu > .menu-icon {
+          display: none !important;
+        }
        /* Contextmenu Checkbox Unset */
        menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu) menuitem[type="checkbox"] {
          margin-inline: 0 !important;
@ -3521,13 +3588,19 @@
        menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
          menuitem[type="checkbox"]
          > .menu-iconic-left
-          > .menu-iconic-icon {
+          > .menu-iconic-icon,
+        menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
+          menuitem[type="checkbox"]
+          > .menu-icon {
          margin-inline-end: 0 !important;
        }
        menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
          menuitem[type="checkbox"]:not([checked="true"])
          > .menu-iconic-left
-          > .menu-iconic-icon {
+          > .menu-iconic-icon,
+        menupopup:is(#placesContext, #placesColumnsContext, #downloadsContextMenu)
+          menuitem[type="checkbox"]:not([checked="true"])
+          > .menu-icon {
          border: none !important;
          background-color: unset !important;
        }
@ -3632,7 +3705,7 @@
        #placesContext_show_bookmark\:info,
        #placesContext_show\:info,
        #placesContext_show_folder\:info {
-          --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+          --menuitem-image: url("../icons/edit-active.svg");
        }
        #placesContext_deleteBookmark,
        #placesContext_deleteFolder,
@ -3748,7 +3821,7 @@
    }
    @-moz-document url-prefix("about:addons") {
      @supports -moz-bool-pref("userChrome.icon.context_menu") {
-        button[role="menuitem"] {
+        button:is([role="menuitem"], [role="menuitemcheckbox"]) {
          background-image: var(--icon, url("../icons/blank.svg")); /* Don't use !important. because of [checked] */
        }
        panel-item[action="check-for-updates"] {
--- a/icons/align-distribute-top.svg
+++ b/icons/align-distribute-top.svg
@ -0,0 +1,3 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg">
+  <path d="M1.5 1a.5.5 0 0 0 0 1h13a.5.5 0 0 0 0-1h-13Zm0 7a.5.5 0 0 0 0 1h13a.5.5 0 0 0 0-1h-13Zm8 6a1.5 1.5 0 0 0 1.5-1.5v-1A1.5 1.5 0 0 0 9.5 10h-3A1.5 1.5 0 0 0 5 11.5v1A1.5 1.5 0 0 0 6.5 14h3Zm.5-1.5a.5.5 0 0 1-.5.5h-3a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h3a.5.5 0 0 1 .5.5v1ZM11.5 7A1.5 1.5 0 0 0 13 5.5v-1A1.5 1.5 0 0 0 11.5 3h-7A1.5 1.5 0 0 0 3 4.5v1A1.5 1.5 0 0 0 4.5 7h7Zm.5-1.5a.5.5 0 0 1-.5.5h-7a.5.5 0 0 1-.5-.5v-1a.5.5 0 0 1 .5-.5h7a.5.5 0 0 1 .5.5v1Z"/>
+</svg>
--- a/icons/align-space-evenly-vertical.svg
+++ b/icons/align-space-evenly-vertical.svg
@ -0,0 +1,3 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg">
+  <path d="M3.875 1.625a.75.75 0 0 0-.75.75v.75c0 .414.336.75.75.75h8.25a.75.75 0 0 0 .75-.75v-.75a.75.75 0 0 0-.75-.75zM2 2.375C2 1.339 2.84.5 3.875.5h8.25C13.161.5 14 1.34 14 2.375v.75C14 4.161 13.16 5 12.125 5h-8.25A1.875 1.875 0 0 1 2 3.125Zm1.875 4.5a.75.75 0 0 0-.75.75v.75c0 .414.336.75.75.75h8.25a.75.75 0 0 0 .75-.75v-.75a.75.75 0 0 0-.75-.75zM2 7.625c0-1.036.84-1.875 1.875-1.875h8.25c1.036 0 1.875.84 1.875 1.875v.75c0 1.036-.84 1.875-1.875 1.875h-8.25A1.875 1.875 0 0 1 2 8.375Zm1.125 5.25a.75.75 0 0 1 .75-.75h8.25a.75.75 0 0 1 .75.75v.75a.75.75 0 0 1-.75.75h-8.25a.75.75 0 0 1-.75-.75zM3.875 11C2.839 11 2 11.84 2 12.875v.75c0 1.036.84 1.875 1.875 1.875h8.25c1.036 0 1.875-.84 1.875-1.875v-.75C14 11.839 13.16 11 12.125 11Z" />
+</svg>
--- a/icons/apps-list-detail.svg
+++ b/icons/apps-list-detail.svg
@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16" fill="context-fill" fill-opacity="context-fill-opacity">
+  <path d="M1.5 2A1.5 1.5 0 0 0 0 3.5v2A1.5 1.5 0 0 0 1.5 7h2A1.5 1.5 0 0 0 5 5.5v-2A1.5 1.5 0 0 0 3.5 2ZM1 3.5a.5.5 0 0 1 .5-.5h2a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1-.5-.5ZM7.5 3a.5.5 0 0 0 0 1h8a.5.5 0 0 0 0-1Zm0 2a.5.5 0 0 0 0 1h6a.5.5 0 0 0 0-1Zm-6 4A1.5 1.5 0 0 0 0 10.5v2A1.5 1.5 0 0 0 1.5 14h2A1.5 1.5 0 0 0 5 12.5v-2A1.5 1.5 0 0 0 3.5 9ZM1 10.5a.5.5 0 0 1 .5-.5h2a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1-.5-.5Zm6.5-.5a.5.5 0 0 0 0 1h8a.5.5 0 0 0 0-1Zm0 2a.5.5 0 0 0 0 1h6a.5.5 0 0 0 0-1Z"/>
+</svg>
--- a/icons/arrow-between-up.svg
+++ b/icons/arrow-between-up.svg
@ -0,0 +1,3 @@
+<svg  width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg">
+  <path fill-rule="evenodd" d="M11.927 7.826a.625.625 0 0 0 .03-.883l-3.5-3.74a.625.625 0 0 0-.913 0l-3.5 3.74a.625.625 0 1 0 .912.854l2.419-2.585v7.158a.625.625 0 0 0 1.25 0V5.213l2.419 2.584a.625.625 0 0 0 .883.03zM3 15.995c.345 0 .625-.28.625-.625 0-.207.168-.375.375-.375h8a.375.375 0 0 1 .375.375.625.625 0 1 0 1.25 0c0-.897-.727-1.625-1.625-1.625H4a1.625 1.625 0 0 0-1.625 1.625c0 .345.28.625.625.625zM13 .005a.625.625 0 0 0-.625.625.375.375 0 0 1-.375.375H4A.375.375 0 0 1 3.625.63a.625.625 0 1 0-1.25 0c0 .897.728 1.625 1.625 1.625h8c.898 0 1.625-.728 1.625-1.625A.625.625 0 0 0 13 .005z" clip-rule="evenodd"/>
+</svg>
--- a/icons/arrow-up-exclamation.svg
+++ b/icons/arrow-up-exclamation.svg
@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16" fill="context-fill" fill-opacity="context-fill-opacity">
+  <path d="M1.5 3a2 2 0 1 1 4 0c0 2.089-.745 4.925-1.183 6.405a.84.84 0 0 1-.816.595.842.842 0 0 1-.817-.597C2.246 7.915 1.5 5.065 1.5 3Zm2-3a3 3 0 0 0-3 3c0 2.227.789 5.204 1.225 6.685A1.842 1.842 0 0 0 3.5 11c.81 0 1.54-.518 1.775-1.31C5.712 8.213 6.5 5.25 6.5 3a3 3 0 0 0-3-3Zm-1 14a1 1 0 1 1 2 0 1 1 0 0 1-2 0zm1-2a2 2 0 1 0 0 4 2 2 0 0 0 0-4zm9-10.293V15.5a.5.5 0 0 1-1 0V1.707L9.354 3.854a.5.5 0 0 1-.708-.708l3-3a.5.5 0 0 1 .708 0l3 3a.5.5 0 0 1-.708.708z"/>
+</svg>
--- a/icons/chat-sparkle.svg
+++ b/icons/chat-sparkle.svg
@ -0,0 +1,3 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg">
+  <path d="M10.246 4.663a2.068 2.068 0 0 0-.98-.694l-1.002-.326a.396.396 0 0 1 0-.746l1.002-.325a2.064 2.064 0 0 0 1.28-1.282l.008-.025.325-1.001a.396.396 0 0 1 .747 0l.326 1.001a2.062 2.062 0 0 0 1.307 1.307l1.002.325.02.005a.396.396 0 0 1 0 .746l-1.002.326a2.065 2.065 0 0 0-1.307 1.306l-.326 1.002a.396.396 0 0 1-.746 0l-.326-1.002a2.064 2.064 0 0 0-.328-.617Zm5.596 2.765-.557-.181a1.147 1.147 0 0 1-.726-.726l-.181-.556a.22.22 0 0 0-.415 0l-.18.556a1.146 1.146 0 0 1-.716.726l-.557.18a.22.22 0 0 0 0 .415l.557.181a1.147 1.147 0 0 1 .727.729l.18.556a.22.22 0 0 0 .415 0l.181-.556a1.147 1.147 0 0 1 .727-.726l.556-.181a.22.22 0 0 0 0-.414Zm-8.57-5.973c.697 0 1.37.097 2.007.28a1.28 1.28 0 0 1-.268.126l-.975.32a1.2 1.2 0 0 0-.524.369 6.182 6.182 0 0 0-5.64 9.186l.109.197-.81 2.897 2.9-.809.196.11a6.184 6.184 0 0 0 9.096-4.338.982.982 0 0 0 .244.25.938.938 0 0 0 .792.142A7.275 7.275 0 0 1 3.937 15.19l-2.783.776a.91.91 0 0 1-1.12-1.12l.777-2.78A7.273 7.273 0 0 1 7.273 1.454Z"/>
+</svg>
--- a/icons/code-text.svg
+++ b/icons/code-text.svg
@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16" fill="context-fill" fill-opacity="context-fill-opacity">
+  <path d="M.5 3a.5.5 0 0 0 0 1H6a.5.5 0 0 0 0-1Zm3 3a.5.5 0 0 0 0 1h5a.5.5 0 0 0 0-1ZM2 9.5a.5.5 0 0 1 .5-.5h10a.5.5 0 0 1 0 1h-10a.5.5 0 0 1-.5-.5ZM.5 12a.5.5 0 0 0 0 1H9a.5.5 0 0 0 0-1Zm10-5.5A.5.5 0 0 1 11 6h3.5a.5.5 0 0 1 0 1H11a.5.5 0 0 1-.5-.5ZM8.5 3a.5.5 0 0 0 0 1h7a.5.5 0 0 0 0-1Z"/>
+</svg>
--- a/icons/edit-active.svg
+++ b/icons/edit-active.svg
@ -0,0 +1,3 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M10.5102 0.589672C11.2931 -0.193221 12.5579 -0.193221 13.3408 0.589672L15.4108 2.65967C16.1937 3.44257 16.1937 4.70744 15.4108 5.49033L5.12083 15.7803C4.98018 15.921 4.78941 16 4.5905 16H0.750501C0.336287 16 0.000500679 15.6642 0.000500679 15.25V11.41C0.000500679 11.2111 0.0795183 11.0203 0.220171 10.8797L10.5102 0.589672ZM12.2802 1.65033C12.0831 1.45323 11.7679 1.45323 11.5708 1.65033L10.2162 3.005L12.9955 5.78434L14.3502 4.42967C14.5473 4.23257 14.5473 3.91744 14.3502 3.72033L12.2802 1.65033ZM11.9348 6.845L4.27984 14.5H1.5005V11.7207L9.1555 4.06566L11.9348 6.845Z"/>
+</svg>
--- a/icons/import.svg
+++ b/icons/import.svg
@ -0,0 +1 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" d="M4 2.25h10a.75.75 0 0 1 .75.75v10a.75.75 0 0 1-.75.75H4a.75.75 0 0 1-.75-.75v-2H2v2a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V3a2 2 0 0 0-2-2H4a2 2 0 0 0-2 2v4.89h1.25V3A.75.75 0 0 1 4 2.25" clip-rule="evenodd"/><path fill-rule="evenodd" d="M.63 5.375c.345 0 .625.28.625.625v2.875h6.736L6.558 7.442a.625.625 0 1 1 .884-.884l2.5 2.5a.625.625 0 0 1 0 .884l-2.5 2.5a.625.625 0 1 1-.884-.884l1.433-1.433H.63A.625.625 0 0 1 .005 9.5V6c0-.345.28-.625.625-.625" clip-rule="evenodd"/></svg>
--- a/icons/organization-horizontal.svg
+++ b/icons/organization-horizontal.svg
@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16" fill="context-fill" fill-opacity="context-fill-opacity">
+  <path d="M0 8a3 3 0 0 0 5.96.5H7.5v3A1.5 1.5 0 0 0 9 13h1.04a3.001 3.001 0 1 0 0-1H9a.5.5 0 0 1-.5-.5v-7A.5.5 0 0 1 9 4h1.04a3.001 3.001 0 1 0 0-1H9a1.5 1.5 0 0 0-1.5 1.5v3H5.96A3.001 3.001 0 0 0 0 8zm3 2.001a2 2 0 1 1 0-4 2 2 0 0 1 0 4zm10 4.5a2 2 0 1 1 0-4.002 2 2 0 0 1 0 4.002zM11 3.5a2 2 0 1 1 4 0 2 2 0 0 1-4 0z"/>
+</svg>
--- a/icons/play-fill.svg
+++ b/icons/play-fill.svg
@ -0,0 +1,3 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg">
+  <path d="M2.992 13.303V2.698A1.447 1.447 0 0 1 5.157 1.44l9.28 5.303a1.447 1.447 0 0 1 0 2.512l-9.28 5.303a1.447 1.447 0 0 1-2.165-1.256Z"/>
+</svg>
--- a/icons/profiler-stopwatch.svg
+++ b/icons/profiler-stopwatch.svg
@ -0,0 +1 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" d="M8 14.75a5.75 5.75 0 1 0 0-11.5 5.75 5.75 0 0 0 0 11.5M8 16A7 7 0 1 0 8 2a7 7 0 0 0 0 14" clip-rule="evenodd"/><path d="M9 9a1 1 0 1 1-2 0 1 1 0 0 1 2 0"/><path fill-rule="evenodd" d="M11.442 5.558a.625.625 0 0 1 0 .884l-3 3a.625.625 0 1 1-.884-.884l3-3a.625.625 0 0 1 .884 0" clip-rule="evenodd"/><path d="M5 .625C5 .28 5.28 0 5.625 0h4.75a.625.625 0 1 1 0 1.25h-4.75A.625.625 0 0 1 5 .625"/></svg>
--- a/icons/radio.svg
+++ b/icons/radio.svg
@ -0,0 +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/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity">
+  <circle cx="8" cy="8" r="4"/>
+</svg>
--- a/icons/refresh-cw.svg
+++ b/icons/refresh-cw.svg
@ -1,9 +1 @@
-<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="context-fill" fill-opacity="context-fill-opacity" style="stroke-linecap:round;stroke-linejoin:round">
-  <clipPath id="a">
-    <path d="M.5 0h15v16H.5z"/>
-  </clipPath>
-  <g clip-path="url(#a)">
-    <path d="M14.875 2.667v4h-3.75M1.125 13.333v-4h3.75" style="fill:none;fill-rule:nonzero;stroke:context-fill;stroke-width:1.62px"/>
-    <path d="M2.694 6c.793-2.391 2.925-3.998 5.303-3.998 1.491 0 2.923.633 3.978 1.758l2.9 2.907M1.125 9.333l2.9 2.907c1.055 1.125 2.487 1.758 3.978 1.758 2.378 0 4.51-1.607 5.303-3.998" style="fill:none;fill-rule:nonzero;stroke:context-fill;stroke-width:1.62px"/>
-  </g>
-</svg>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" d="M14.37 2.042c.345 0 .625.28.625.625V6.37c0 .345-.28.625-.625.625h-3.245a.625.625 0 1 1 0-1.25h2.62V2.667c0-.345.28-.625.625-.625M1.005 9.63c0-.345.28-.625.625-.625h3.245a.625.625 0 1 1 0 1.25h-2.62v3.078a.625.625 0 1 1-1.25 0z" clip-rule="evenodd"/><path fill-rule="evenodd" d="M7.997 2.627c-2.088 0-3.995 1.414-4.71 3.57a.625.625 0 0 1-1.186-.394c.87-2.626 3.228-4.426 5.896-4.426 1.67 0 3.265.71 4.434 1.955l.005.005 2.395 2.61a.625.625 0 1 1-.921.846l-2.393-2.608c-.941-1.002-2.21-1.558-3.52-1.558m-6.79 6.542a.625.625 0 0 1 .884.038l2.392 2.608c.941 1.002 2.21 1.558 3.52 1.558 2.088 0 3.995-1.414 4.71-3.57a.625.625 0 1 1 1.186.394c-.87 2.626-3.228 4.426-5.896 4.426-1.67 0-3.265-.71-4.434-1.955l-.005-.005-2.395-2.61a.625.625 0 0 1 .038-.884" clip-rule="evenodd"/></svg>
--- a/icons/tab-audio-blocked-circle-12.svg
+++ b/icons/tab-audio-blocked-circle-12.svg
@ -0,0 +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/. -->
+<svg width="12" height="12" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg">
+  <g clip-path="url(#a)">
+    <path d="M4.998 3.567a.5.5 0 0 0-.748.434v3.998a.5.5 0 0 0 .748.434l3.5-1.999a.5.5 0 0 0 0-.868l-3.5-1.999z"/>
+    <path fill-rule="evenodd" clip-rule="evenodd" d="M0 6a6 6 0 1 1 12 0A6 6 0 0 1 0 6zm10.75 0A4.756 4.756 0 0 0 6 1.25 4.756 4.756 0 0 0 1.25 6 4.756 4.756 0 0 0 6 10.75 4.756 4.756 0 0 0 10.75 6z"/>
+  </g>
+  <defs>
+    <clipPath id="a">
+      <path d="M0 0h12v12H0z"/>
+    </clipPath>
+  </defs>
+</svg>
--- a/icons/tab-audio-muted-small.svg
+++ b/icons/tab-audio-muted-small.svg
@ -0,0 +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/. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12 12" width="12" height="12" fill-opacity="context-fill-opacity">
+  <path fill="context-fill" d="M6.8 5.5 4.5 3.3l.9-1.1c.4-.5 1.3-.2 1.3.5v2.8zm2 .5c0-1-.5-1.9-1.3-2.4v2.7l1 1c.2-.4.3-.9.3-1.3zM7.7 2.6c1.3.7 2 2 2 3.4 0 .7-.2 1.4-.5 2l.5.5c.5-.8.8-1.6.8-2.5 0-1.7-.9-3.3-2.4-4.1-.2-.1-.4 0-.5.2-.1.2-.1.4.1.5zm-5.1-.1c-.1-.1-.4-.1-.5 0-.1.1-.1.4 0 .5l1.1 1.1h-1c-.4 0-.8.3-.8.8v2.2c0 .4.3.8.8.8h1.5l1.7 2c.4.5 1.3.2 1.3-.5V7.7l1.4 1.4c-.1.1-.2.2-.4.3-.2.1-.2.3-.1.5.1.2.3.2.5.2.2-.1.4-.3.6-.5l.4.4c.1.1.4.1.5 0 .1-.1.1-.4 0-.5l-7-7z"/>
+</svg>
--- a/icons/tab-audio-playing-small.svg
+++ b/icons/tab-audio-playing-small.svg
@ -0,0 +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/. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12 12" width="12" height="12" fill="context-fill" fill-opacity="context-fill-opacity">
+  <path fill="context-fill" d="M6.7 2.6v6.8c0 .7-.9 1-1.3.5l-1.7-2H2.2c-.4 0-.7-.3-.7-.8V4.9c0-.4.3-.8.7-.8h1.5l1.7-2c.5-.5 1.3-.2 1.3.5zM8.8 6c0-1-.5-1.9-1.3-2.4v4.7C8.3 7.9 8.8 7 8.8 6zm-.7-4.1c-.2-.1-.4 0-.5.2-.1.2 0 .4.2.5 1.3.7 2 2 2 3.4 0 1.4-.8 2.8-2 3.4-.2.1-.3.2-.3.4 0 .2.2.4.4.4.1 0 .1 0 .2 0 1.5-.8 2.5-2.4 2.5-4.1-.1-1.8-1-3.4-2.5-4.2z"/>
+</svg>
--- a/icons/tetris-app.svg
+++ b/icons/tetris-app.svg
@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16" fill="context-fill" fill-opacity="context-fill-opacity">
+  <path d="M5.25 0C4.56 0 4 .56 4 1.25v2.5a.25.25 0 0 1-.25.25h-2.5C.56 4 0 4.56 0 5.25v2.5C0 8.44.56 9 1.25 9h6.5C8.44 9 9 8.44 9 7.75v-2.5A.25.25 0 0 1 9.25 5h2.5C12.44 5 13 4.44 13 3.75v-2.5C13 .56 12.44 0 11.75 0Zm6.5 4H9V1h2.75a.25.25 0 0 1 .25.25v2.5a.25.25 0 0 1-.25.25ZM8.025 5c-.016.08-.025.164-.025.25v2.5a.25.25 0 0 1-.25.25H5V5ZM4 5v3H1.25A.25.25 0 0 1 1 7.75v-2.5A.25.25 0 0 1 1.25 5Zm.975-1c.016-.08.025-.164.025-.25v-2.5A.25.25 0 0 1 5.25 1H8v3Zm7.275 3C11.56 7 11 7.56 11 8.25v2.5a.25.25 0 0 1-.25.25h-6.5C3.56 11 3 11.56 3 12.25v2.5c0 .69.56 1.25 1.25 1.25h10.5c.69 0 1.25-.56 1.25-1.25v-6.5C16 7.56 15.44 7 14.75 7Zm-.275 4c.016-.08.025-.164.025-.25v-2.5a.25.25 0 0 1 .25-.25h2.5a.25.25 0 0 1 .25.25V11ZM12 12h3v2.75a.25.25 0 0 1-.25.25H12Zm-1 0v3H8v-3zm-4 0v3H4.25a.25.25 0 0 1-.25-.25v-2.5a.25.25 0 0 1 .25-.25Z"/>
+</svg>
--- a/icons/update-circle.svg
+++ b/icons/update-circle.svg
@ -0,0 +1 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" d="M7.562 4.39a.625.625 0 0 1 .876 0l2.887 2.84a.625.625 0 0 1-.877.891L8 5.711l-2.448 2.41a.625.625 0 1 1-.877-.891z" clip-rule="evenodd"/><path fill-rule="evenodd" d="M8 4.21c.345 0 .625.28.625.625v6.535a.625.625 0 1 1-1.25 0V4.835c0-.345.28-.625.625-.625" clip-rule="evenodd"/><path fill-rule="evenodd" d="M8 13.75a5.75 5.75 0 1 0 0-11.5 5.75 5.75 0 0 0 0 11.5M15 8A7 7 0 1 1 1 8a7 7 0 0 1 14 0" clip-rule="evenodd"/></svg>
--- a/install.sh
+++ b/install.sh
@ -344,6 +344,7 @@ firefoxProfileDirPaths=(
  "${HOME}/.cachy"
  "${HOME}/.local/opt/tor-browser/app/Browser/TorBrowser/Data/Browser"
  "${HOME}/.var/app/org.mozilla.firefox/.mozilla/firefox"
+  "${HOME}/.var/app/io.gitlab.librewolf-community/.librewolf"
  "${HOME}/snap/firefox/common/.mozilla/firefox"
  "${HOME}/Library/Application Support/Firefox"
  "${HOME}/Library/Application Support/Waterfox"
--- a/package.json
+++ b/package.json
@ -32,5 +32,6 @@
  },
  "jest": {
    "testEnvironment": "jest-environment-node-single-context"
-  }
+  },
+  "packageManager": "yarn@4.5.3"
 }
--- a/src/autohide/_common.scss
+++ b/src/autohide/_common.scss
@ -48,11 +48,11 @@
  }
  @include Has {
    :root {
-      &:not([tabsintitlebar]):has(#toolbar-menubar) {
+      &:not([tabsintitlebar]):not([customtitlebar]):has(#toolbar-menubar) {
        --uc-menubar-height: var(--uc-menubar-height-default); // text 1rem, menu padding 0.3em
      }

-      &[tabsintitlebar]:has(#toolbar-menubar[autohide="true"]) {
+      &:is([tabsintitlebar], [customtitlebar]):has(#toolbar-menubar[autohide="true"]) {
        @include OS($linux) {
          --uc-menubar-height: calc(var(--tab-min-height) + 2 * var(--tab-block-margin));
        }
@ -63,12 +63,12 @@
          --uc-menubar-height: calc(var(--tab-min-height) + var(--tab-block-margin));
        }
      }
-      &[tabsintitlebar]:has(#toolbar-menubar[autohide="false"]) {
+      &:is([tabsintitlebar], [customtitlebar]):has(#toolbar-menubar[autohide="false"]) {
        --uc-menubar-height: var(--uc-titlebar-buttonbox-height);
      }

-      &:not([tabsintitlebar]),
-      &[tabsintitlebar] {
+      &:not([tabsintitlebar]):not([customtitlebar]),
+      &:is([tabsintitlebar], [customtitlebar]) {
        &:has(#toolbar-menubar[autohide="true"][inactive="true"]) {
          --uc-menubar-height: 0px;
        }
--- a/src/autohide/_navbar.scss
+++ b/src/autohide/_navbar.scss
@ -1,14 +1,30 @@
@include OneLinerNavbar {
  #nav-bar:not([customizing]) {
    margin-bottom: var(--uc-navbar-hide-height);
+
+    // Why use #urlbar? - Prevent URLbar overlay #1028
+    &, #urlbar {
      opacity: 0;
      will-change: margin-bottom, opacity;
    }
+  }
  #navigator-toolbox:is(:hover, :focus-within) #nav-bar:not([customizing]) {
    margin-bottom: 0;
+
+    &, #urlbar {
      opacity: 1;
    }
  }
+  // #1028
+  #navigator-toolbox:not(:hover, :focus-within) #nav-bar:not([customizing]) #urlbar {
+    pointer-events: none;
+  }
+}
+
+// Drag & Drop Event #820
+#mainPopupSet:not(:hover)~#navigator-toolbox:not(:hover, :focus-within) #nav-bar:not([customizing]) {
+  -moz-window-dragging: no-drag;
+}

@include Animate {
  #nav-bar:not([customizing]) {
@ -22,8 +38,14 @@
                  opacity var(--uc-autohide-toolbar-speed) var(--animation-easing-function) var(--uc-autohide-toolbar-delay),
                  var(--ext-theme-background-transition) !important;
    }
+
+    #urlbar {
+      transition: opacity var(--uc-autohide-toolbar-speed) var(--animation-easing-function) var(--uc-autohide-toolbar-delay) !important;
+    }
  }
  #navigator-toolbox:is(:hover, :focus-within) #nav-bar:not([customizing]) {
+    &, #urlbar {
      transition-delay: 0s !important;
    }
  }
+}
--- a/src/autohide/_tabbar.scss
+++ b/src/autohide/_tabbar.scss
@ -16,7 +16,8 @@
 //------------------------------------------------------------------------------

@include OneLinerTabbar {
-  :root:not([customizing]) #titlebar {
+  :root:not([customizing]) #titlebar,
+  :root:not([customizing]) #navigator-toolbox > #TabsToolbar {
    margin-bottom: var(--uc-tabbar-hide-height);
    will-change: margin-bottom;
  }
@ -28,7 +29,8 @@
  }

  #navigator-toolbox:is(:hover, :focus-within) {
-    > #titlebar {
+    > #titlebar,
+    > #TabsToolbar {
      margin-bottom: 0px;
    }
    #TabsToolbar {
--- a/src/autohide/sidebar/_static.scss
+++ b/src/autohide/sidebar/_static.scss
@ -11,7 +11,7 @@
 }

 :root[inFullscreen="true"] #sidebar-box {
-  &:not([positionend="true"]) {
+  &:not([positionend]) {
    margin-inline-start: var(--uc-sidebar-fullscreen-margin) !important;
    will-change: margin-inline-start;

@ -20,7 +20,7 @@
    }
  }

-  &[positionend="true"] {
+  &[positionend] {
    margin-inline-end: var(--uc-sidebar-fullscreen-margin) !important;
    will-change: margin-inline-end;

@ -45,7 +45,7 @@
  :root[inFullscreen="true"] #sidebar-box {
    transition: margin-inline-start var(--uc-autohide-fullscreen-sidebar-speed) var(--animation-easing-function) var(--uc-autohide-sidebar-delay) !important;

-    &[positionend="true"] {
+    &[positionend] {
      transition-property: margin-inline-end !important;
    }
    &:is(:hover, :focus-within),
--- a/src/combined/_back_forward_button.scss
+++ b/src/combined/_back_forward_button.scss
@ -3,6 +3,11 @@

@mixin _combined_forward_button() {
  @if mode.isMediaPref() {
+    @#{media} #{'-moz-pref("userChrome.combined.urlbar.nav_button") or ((not -moz-pref("userChrome.combined.sub_button.as_normal")) or (-moz-pref("userChrome.combined.nav_button") and -moz-pref("userChrome.combined.urlbar.home_button")))'} {
+      @content;
+    }
+  }
+  @else if mode.isMediaBoolPref() {
    @media (-moz-bool-pref: '"userChrome.combined.urlbar.nav_button"'),
    ((not (-moz-bool-pref: '"userChrome.combined.sub_button.as_normal"')) or
     (
--- a/src/compatibility/_os.scss
+++ b/src/compatibility/_os.scss
@ -1,6 +1,6 @@
 /*= Windows 10 - Top border of accent color at ESR #358 ======================*/
@include OS($win10) {
-  :root[sizemode=normal][tabsintitlebar] {
+  :root[sizemode=normal]:is([tabsintitlebar], [customtitlebar]) {
    #navigator-toolbox {
      border-top: .5px solid rgb(47, 47, 47) !important;
    }
@ -167,31 +167,6 @@
    color: inherit !important; /* Original: -moz-menubarhovertext */
    background-color: color-mix(in srgb, currentColor 20%, transparent) !important; /* Original: -moz-menuhover */
  }
-
-  /*= Linux - Titlebar button at lwtheme =====================================*/
-  @include NotOption("userChrome.compatibility.os.linux_non_native_titlebar_button") {
-    @include lwtheme {
-      .titlebar-button {
-        appearance: none !important;
-        > .toolbarbutton-icon {
-          appearance: auto !important;
-          width: unset !important;
-          height: unset !important;
-        }
-      }
-      .titlebar-min,
-      .titlebar-max,
-      .titlebar-restore,
-      .titlebar-close {
-        list-style-image: none !important;
-      }
-      .titlebar-button,
-      .titlebar-button:hover:active {
-        background-color: unset !important;
-        color: unset !important;
-      }
-    }
-  }
 }

 /*= Linux - Light System Default Theme's Selected Tab ========================*/
@ -231,7 +206,7 @@ $_os_linuxDefaultShadow: 0 0 4px rgba(128, 128, 142, 0.5);

 /*= Titlebar Container Size at maximized #384 ================================*/
@include OS($win) {
-  :root[tabsintitlebar] {
+  :root:is([tabsintitlebar], [customtitlebar]) {
    @include NotOption("userChrome.compatibility.os.windows_maximized") {
      #titlebar {
        // Prevent #476 FF v105 above
@ -263,21 +238,22 @@ $_os_linuxDefaultShadow: 0 0 4px rgba(128, 128, 142, 0.5);
 // https://github.com/mozilla/gecko-dev/blob/4334cb91a3762ac497c50a1c7b86b8004690229e/browser/themes/windows/browser-aero.css#L71-L81
@include OS($win) {
  @include WinClassic {
-    :root[tabsintitlebar][sizemode="normal"]:not(:-moz-lwtheme) #navigator-toolbox {
+    :root:is([tabsintitlebar], [customtitlebar])[sizemode="normal"]:not(:-moz-lwtheme) #navigator-toolbox {
      appearance: auto !important;
      -moz-default-appearance: -moz-window-titlebar !important;;
    }

-    :root[tabsintitlebar][sizemode="maximized"]:not(:-moz-lwtheme) #navigator-toolbox {
+    :root:is([tabsintitlebar], [customtitlebar])[sizemode="maximized"]:not(:-moz-lwtheme) #navigator-toolbox {
      appearance: auto !important;;
      -moz-default-appearance:-moz-window-titlebar !important;;
    }

-    :root[tabsintitlebar]:not(:-moz-lwtheme) #tabbrowser-arrowscrollbox {
+    :root:is([tabsintitlebar], [customtitlebar]):not(:-moz-lwtheme) #pinned-tabs-container,
+    :root:is([tabsintitlebar], [customtitlebar]):not(:-moz-lwtheme) #tabbrowser-arrowscrollbox {
      color: -moz-dialogtext !important;
    }

-    :root[tabsintitlebar][sizemode="normal"] #navigator-toolbox:-moz-lwtheme {
+    :root:is([tabsintitlebar], [customtitlebar])[sizemode="normal"] #navigator-toolbox:-moz-lwtheme {
      background-image: linear-gradient(
        to bottom,
        ThreeDLightShadow 0, ThreeDLightShadow 1px,
@ -287,3 +263,8 @@ $_os_linuxDefaultShadow: 0 0 4px rgba(128, 128, 142, 0.5);
    }
  }
 }
+
+/*= MacOS Fullscreen clipping #1045 ==========================================*/
+:root[sizemode="fullscreen"][macOSNativeFullscreen]:not([inDOMFullscreen="true"]) #TabsToolbar {
+  min-height: var(--tab-min-height, fit-content) !important;
+}
--- a/src/compatibility/_theme.scss
+++ b/src/compatibility/_theme.scss
@ -35,7 +35,7 @@ menu.subviewbutton {
 }

 /*= First visible tab margin at maximized #332 ===============================*/
-:root[tabsintitlebar="true"][sizemode="maximized"] #TabsToolbar {
+:root:is([tabsintitlebar="true"], [customtitlebar="true"])[sizemode="maximized"] #TabsToolbar {
  margin-left: -1px;
 }

@ -135,9 +135,18 @@ menu {
  }
 }

+#main-window {
+  background-color: WindowFrame !important;
+}
+:root[lwtheme][lwtheme-image] #customization-container {
+  background-image: none !important;
+}
 #customization-container {
  background-color: transparent !important; /* Original: color-mix(in srgb, -moz-dialog 85%, white) */
 }
+:root:not([lwtheme]) #customization-container {
+  background-color: var(--toolbar-non-lwt-bgcolor) !important;
+}

 /*= Findbar Border Color =====================================================*/
 html|input.findbar-textbox {
@ -184,7 +193,9 @@ vbox[part="drop-indicator-bar"] > image[part="drop-indicator"] {
 }

 /*= Inactive transparent #882 ================================================*/
-:root[tabsintitlebar] #titlebar:-moz-window-inactive {
+:root:is([tabsintitlebar], [customtitlebar]) #titlebar:-moz-window-inactive,
+:root:is([tabsintitlebar], [customtitlebar]) #toolbar-menubar:-moz-window-inactive,
+:root:is([tabsintitlebar], [customtitlebar]) #TabsToolbar:-moz-window-inactive {
  opacity: 1 !important;
  color: color-mix(in srgb, currentColor calc(var(--inactive-titlebar-opacity, 0.75) * 100%), transparent) !important;
  --inactive-toolbarbutton-icon-fill-opacity: calc(var(--toolbarbutton-icon-fill-opacity, 1) * var(--inactive-titlebar-opacity, 0.75));
@ -199,3 +210,16 @@ vbox[part="drop-indicator-bar"] > image[part="drop-indicator"] {
  --panel-background: var(--arrowpanel-background) !important; /* Original: var(--tab-selected-bgcolor, var(--toolbar-bgcolor)) */
  --panel-color: var(--arrowpanel-color) !important; /* Original: var(--tab-selected-textcolor, var(--toolbar-color)) */
 }
+
+/*= Design token =============================================================*/
+:root, :host {
+  --button-color: var(--button-text-color);
+  --button-bgcolor: var(--button-background-color);
+  --button-hover-bgcolor: var(--button-background-color-hover);
+  --button-active-bgcolor: var(--button-background-color-active);
+
+  --button-primary-color: var(--button-text-color-primary);
+  --button-primary-bgcolor: var(--button-background-color-primary);
+  --button-primary-hover-bgcolor: var(--button-background-color-primary-hover);
+  --button-primary-active-bgcolor: var(--button-background-color-primary-active);
+}
--- a/src/contents/_activity_stream.scss
+++ b/src/contents/_activity_stream.scss
@ -36,7 +36,11 @@
  /** Activity Stream - Web Site Icon: full size ******************************/
  @include Option("userContent.newTab.full_icon") {
    .top-site-outer {
+      width: 120px !important; /* v135: calc(var(--size-item-large) * 3); */
+
      .tile {
+        width: 80px !important; /* v135: calc(var(--size-item-large) * 2); */
+        height: 80px !important; /* v135: calc(var(--size-item-large) * 2); */
        overflow: hidden;
      }

@ -51,6 +55,9 @@

      .context-menu-button {
        top: 0px !important; /* Original: -20px */
+        right: 0px !important;
+        width: 22px !important;
+        height: 22px !important;
      }
      .context-menu {
        top: 16.75px !important; /* Original: 6.75px */
@ -112,7 +119,8 @@
  @include Option("userContent.newTab.pocket_to_last") {
    .body-wrapper.on {
      display: flex;
-      flex-wrap: wrap;
+      flex-wrap: wrap !important;
+      flex-direction: row !important;

      > .discovery-stream.ds-layout {
        flex-basis: 100%;
--- a/src/contents/_compatibility.scss
+++ b/src/contents/_compatibility.scss
@ -50,6 +50,9 @@
    box-sizing: content-box;
    padding: 0 !important;
  }
+  button[data-l10n-id="addon-updates-manual-updates-found"] {
+    height: 100%;
+  }

  // #911
  #categories {
--- a/src/contents/_context_menu.scss
+++ b/src/contents/_context_menu.scss
@ -1,7 +1,14 @@
@import "../icons/shared";
+
+@include moz-document(
+  url-prefix "about:",
+  url-prefix "chrome://",
+  regexp "^((jar:)?file:\/\/\/).*\/$"
+) {
  :root {
    @include initIcons;
  }
+}

@include moz-document(
  url "chrome://browser/content/places/places.xhtml",
--- a/src/contents/_proton_color.scss
+++ b/src/contents/_proton_color.scss
@ -9,6 +9,16 @@
 ) {
  @import "../theme/proton_color";

+  @include Option(
+    "userContent.page.proton_color.dark_blue_accent",
+    "userContent.page.proton_color.system_accent"
+    ) {
+    :root, :host(.anonymous-content-host) {
+      --color-accent-primary: var(--in-content-primary-button-background) !important;
+      --color-accent-primary-hover: var(--in-content-primary-button-background-hover) !important;
+      --color-accent-primary-active: light-dark(var(--color-blue-70), var(--color-cyan-20));
+    }
+  }
  @include Option("userContent.page.proton_color.dark_blue_accent") {
    @include Dark {
      @import "../theme/dark_blue_color";
--- a/src/contents/_proton_contents.scss
+++ b/src/contents/_proton_contents.scss
@ -32,5 +32,8 @@
 /*= about:processes ==========================================================*/
@import "proton_contents/about_processes";

+/*= about:processes ==========================================================*/
+@import "proton_contents/about_others";
+
 /*= chrome://browser/content/places/places.xhtml =============================*/
@import "../library/contents";
--- a/src/contents/proton_contents/_about_others.scss
+++ b/src/contents/proton_contents/_about_others.scss
@ -0,0 +1,19 @@
+@include moz-document(url-prefix "about:support") {
+  #reset-box-button {
+    --in-content-focus-outline-color: var(--in-content-danger-button-background) !important;
+    background-color: var(--in-content-danger-button-background) !important;
+    color: var(--in-content-primary-button-text-color) !important;
+    border-color: var(--in-content-primary-button-border-color) !important;
+
+    &:enabled:hover {
+      background-color: var(--in-content-danger-button-background-hover) !important;
+      color: var(--in-content-primary-button-text-color-hover) !important;
+      border-color: var(--in-content-primary-button-border-hover) !important;
+    }
+    &:enabled:hover:active {
+      background-color: var(--in-content-danger-button-background-active) !important;
+      color: var(--in-content-primary-button-text-color-active) !important;
+      border-color: var(--in-content-primary-button-border-active) !important;
+    }
+  }
+}
--- a/src/contents/proton_contents/_about_preferences.scss
+++ b/src/contents/proton_contents/_about_preferences.scss
@ -23,3 +23,12 @@
    }
  }
 }
+@include moz-document(url-prefix "about:preferences") {
+  // #952
+  .privacy-extra-information > .custom-option:not(:first-child) {
+    margin-block: 2px !important; /* Original: 10px */
+  }
+  .extra-information-label:not(:first-child) {
+    margin-top: 4px !important; /* Original: 19px */
+  }
+}
--- a/src/contents/proton_contents/_about_processes.scss
+++ b/src/contents/proton_contents/_about_processes.scss
@ -1,10 +1,22 @@
-@include moz-document(url-prefix "about:processes") {
+@include moz-document(
+  url-prefix "about:processes",
+  url-prefix "about:performance"
+) {
  td.type.favicon[style*='background-image: url("chrome://global/skin/icons/link.svg");'] {
    background-image: url("../icons/link.svg") !important;
  }

  .profiler-icon {
-    background: url("../icons/performance.svg") no-repeat center !important;
+    cursor: pointer;
+    background-image: url("../icons/performance.svg") !important;
+    background-repeat: no-repeat !important;
+    background-position: center !important;
+    @include NotOption("userChrome.rounding.square_button") {
+      border-radius: 8px !important;
+    }
+
+    // #960
+    color: inherit !important;
  }
 }

--- a/src/decoration/_animate.scss
+++ b/src/decoration/_animate.scss
@ -64,7 +64,12 @@
 }

 /*- URL / Search Bar -------------------------------------------------------*/
-#urlbar-background,
+#urlbar-background {
+  transition: border-color 1s var(--animation-easing-function), background-color 0.5s var(--animation-easing-function) !important;
+  &:hover {
+    transition: border-color 0.5s var(--animation-easing-function), background-color 0.5s var(--animation-easing-function) !important;
+  }
+}
 #searchbar {
  transition: border-color 1s var(--animation-easing-function), background-color 1.5s var(--animation-easing-function) !important;
  &:hover {
@ -114,16 +119,14 @@ xul|search-textbox.tabsFilter,
    max-width: 36em;

    /* Animation */
-    transition: margin-inline-start 0.25s var(--animation-easing-function), opacity 0.25s ease-in-out,
-      visibility 0s linear !important;
-    will-change: margin-inline-start, opacity, visibility;
+    transition: margin-inline-start 0.25s var(--animation-easing-function), visibility 0s linear !important;
+    will-change: margin-inline-start, visibility;

    &[hidden="true"] {
      @include Box(true);
      margin-inline-start: -18em;
-      opacity: 0;
      visibility: collapse;
-      transition-delay: 0s, 0s, 0.25s !important;
+      transition-delay: 0s, 0.25s !important;
    }
  }
 }
--- a/src/fullscreen/_overlap.scss
+++ b/src/fullscreen/_overlap.scss
@ -1,15 +1,24 @@
-:root[sizemode="fullscreen"] #navigator-toolbox {
+:root[sizemode="fullscreen"]:not([inDOMFullscreen="true"]) #navigator-toolbox {
  position: fixed !important; /* Needed for content to take up entire height */
  z-index: 1000 !important; /* Puts the UI above the content */
+
+  &:is(:hover, :focus-within) {
+    margin-top: 0 !important;
+  }
 }

-:root[sizemode="fullscreen"] :-moz-any(#navigator-toolbox, #titlebar, #nav-bar, #PersonalToolbar) {
+:root[sizemode="fullscreen"]:not([inDOMFullscreen="true"]) :-moz-any(#navigator-toolbox, #titlebar, #toolbar-menubar, #TabsToolbar, #nav-bar, #PersonalToolbar) {
  width: 100%; /* Makes the UI take up the entire width */
 }

+:root[sizemode="fullscreen"]:not([inDOMFullscreen="true"]) #urlbar:popover-open {
+  // Prevent URLbar overlay #1028
+  position: fixed !important;
+}
+
@include OS($linux) {
  /* Fix transparent background */
-  :root[tabsintitlebar][sizemode="fullscreen"]#{$not_lwtheme} #TabsToolbar {
+  :root:is([tabsintitlebar], [customtitlebar])[sizemode="fullscreen"]:not([inDOMFullscreen="true"])#{$not_lwtheme} #TabsToolbar {
    appearance: auto !important;
  }
 }
--- a/src/fullscreen/_show_bookmarkbar.scss
+++ b/src/fullscreen/_show_bookmarkbar.scss
@ -1,4 +1,4 @@
-:root:not([sizemode="fullscreen"]) #PersonalToolbar[initialized="true"]:not([collapsed="true"]),
-:root[sizemode="fullscreen"] #PersonalToolbar[initialized="true"] {
+:root:not([sizemode="fullscreen"]) #PersonalToolbar[initialized]:not([collapsed="true"]),
+:root[sizemode="fullscreen"] #PersonalToolbar[initialized] {
  visibility: unset !important; /* Makes the bookmarks toolbar visible if enabled */
 }
--- a/src/icons/_1.25px_stroke.scss
+++ b/src/icons/_1.25px_stroke.scss
@ -20,3 +20,9 @@
 ) .tab-icon-image {
  content: url("../icons/developer.svg") !important;
 }
+
+.tabbrowser-tab:is(
+  [image="chrome://browser/skin/controlcenter/dashboard.svg"]
+) .tab-icon-image {
+  content: url("../icons/dashboard.svg") !important;
+}
--- a/src/icons/_activity_stream.scss
+++ b/src/icons/_activity_stream.scss
@ -5,7 +5,7 @@
  --menuitem-image: url("../icons/unpin-tab.svg");
 }
 .context-menu-item span[data-l10n-id="newtab-menu-edit-topsites"] {
-  --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+  --menuitem-image: url("../icons/edit-active.svg");
 }
 .context-menu-item span[data-l10n-id="newtab-menu-bookmark"] {
  --menuitem-image: url("chrome://browser/skin/bookmark.svg");
--- a/src/icons/_addon_page.scss
+++ b/src/icons/_addon_page.scss
@ -1,5 +1,5 @@
 // https://github.com/mozilla/gecko-dev/commit/260e4270fca18f2f6f59a1ffe4deccb5080a15f7
-button[role="menuitem"] {
+button:is([role="menuitem"], [role="menuitemcheckbox"]) {
  background-image: var(--icon, url("../icons/blank.svg")); /* Don't use !important. because of [checked] */
 }

--- a/src/icons/_global_menu.scss
+++ b/src/icons/_global_menu.scss
@ -238,6 +238,11 @@ menu.share-tab-url-item {
 #menu_mobileBookmarks {
 }

+/*= menu_ProfilesPopup =======================================================*/
+#menu_manageProfiles {
+  --menuitem-image: url("chrome://global/skin/icons/settings.svg");
+}
+
 /*= menu_ToolsPopup ==========================================================*/
 #menu_openDownloads {
  --menuitem-image: url("chrome://browser/skin/downloads/downloads.svg");
--- a/src/icons/_global_menubar.scss
+++ b/src/icons/_global_menubar.scss
@ -3,7 +3,7 @@
  --menuitem-image: url("../icons/mail-inbox-all.svg");
 }
 #edit-menu {
-  --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+  --menuitem-image: url("../icons/edit-active.svg");
 }
 #view-menu {
  --menuitem-image: url("../icons/content-view.svg");
@ -14,6 +14,11 @@
 #bookmarksMenu {
  --menuitem-image: url("chrome://browser/skin/bookmark.svg");
 }
+#profiles-menu:is(menu) {
+  // Using stroke
+  fill: transparent !important;
+  --menuitem-image: url("chrome://browser/content/profiles/assets/16_heart.svg");
+}
 #tools-menu {
  --menuitem-image: url("../icons/toolbox.svg");
 }
@ -23,3 +28,16 @@
 #helpMenu {
  --menuitem-image: url("chrome://global/skin/icons/help.svg");
 }
+
+/*= Others ===================================================================*/
+#alltabs-button {
+  list-style-image: url("chrome://global/skin/icons/arrow-down.svg") !important;
+  > .toolbarbutton-badge-stack > .toolbarbutton-icon {
+    /* Original
+       width: 20px;
+       margin: -2px;
+     */
+    width: 16px !important;
+    margin: 0 !important;
+  }
+}
--- a/src/icons/_index.scss
+++ b/src/icons/_index.scss
@ -28,7 +28,7 @@
  --uc-sidebar-icon: url("chrome://browser/skin/sidebars.svg");
  --uc-sidebar-icon-reverse: url("chrome://browser/skin/sidebars-right.svg");
  @include Has {
-    &:has(#sidebar-box[positionend="true"]) {
+    &:has(#sidebar-box[positionend]) {
      --uc-sidebar-icon: url("chrome://browser/skin/sidebars-right.svg");
      --uc-sidebar-icon-reverse: url("chrome://browser/skin/sidebars.svg");
    }
--- a/src/icons/_panel.scss
+++ b/src/icons/_panel.scss
@ -29,6 +29,20 @@
  background-image: var(--avatar-image-url) !important;
 }

+#appMenu-profiles-button > image,
+#appMenu-empty-profiles-button > image {
+  // Using stroke
+  fill: transparent !important;
+}
+#appMenu-empty-profiles-button,
+#PanelUI-fxa-menu-empty-profiles-button {
+  list-style-image: url("chrome://browser/content/profiles/assets/16_heart.svg");
+}
+
+#profiles-manage-profiles-button {
+  list-style-image: url("chrome://global/skin/icons/settings.svg");
+}
+
 #new-tab-button {
  list-style-image: var(--uc-new-tab-icon) !important;
 }
@ -259,7 +273,8 @@
 #PanelUI-signedin-panel[hidden="true"] + #PanelUI-fxa-cta-menu #PanelUI-products-separator {
  display: none; // #916
 }
-#PanelUI-fxa-menu > :first-child {
+#PanelUI-fxa-menu > :first-child,
+#fxa-manage-account-button {
  @include BoxOrder(0);
 }
 #PanelUI-sign-out-separator {
@ -274,6 +289,28 @@
  list-style-image: url("chrome://global/skin/icons/settings.svg");
 }

+.sendToDevice-device {
+  &[clientType="phone"] {
+    list-style-image: url("../icons/device-phone.svg") !important;
+  }
+
+  &[clientType="tablet"] {
+    list-style-image: url("../icons/device-tablet.svg") !important;
+  }
+
+  &[clientType="desktop"] {
+    list-style-image: url("../icons/device-desktop.svg") !important;
+  }
+
+  &[clientType="tv"] {
+    list-style-image: url("../icons/device-tv.svg") !important;
+  }
+
+  &[clientType="vr"] {
+    list-style-image: url("../icons/device-vr.svg") !important;
+  }
+}
+
 /*= Panel - Bookmark =========================================================*/
 #panelMenuBookmarkThisPage {
  list-style-image: url("chrome://browser/skin/bookmark-hollow.svg");
@ -439,6 +476,9 @@ panelMenuBookmarkThisPage[starred] {
 #allTabsMenu-searchTabs {
  list-style-image: url("chrome://global/skin/icons/search-glass.svg");
 }
+#allTabsMenu-syncedTabs {
+  list-style-image: url("../icons/synced-tabs.svg");
+}
 #allTabsMenu-closeDuplicateTabs {
  list-style-image: var(--uc-tab-close-duplicate-icon);
 }
@ -500,6 +540,10 @@ panelMenuBookmarkThisPage[starred] {
  margin-inline-end: 1em;
 }

+#protections-popup-report-broken-site-button {
+  list-style-image: url("chrome://global/skin/icons/lightbulb.svg");
+}
+
 #protections-popup-settings-button > .protections-popup-settings-icon,
 #protections-popup-multiView .panel-subview-footer-button {
  list-style-image: url("chrome://global/skin/icons/settings.svg");
@ -550,6 +594,10 @@ panelMenuBookmarkThisPage[starred] {
  @include _subviewMenuitem(url("../icons/synced-tabs.svg"));
 }

+#sidebar-switcher-genai-chat {
+  @include _subviewMenuitem(url("chrome://mozapps/skin/extensions/category-discover.svg"));
+}
+
 #sidebar-reverse-position {
  @include _subviewMenuitem(var(--uc-sidebar-icon-reverse));
 }
@ -561,6 +609,51 @@ panelMenuBookmarkThisPage[starred] {
  );
 }

+/*= sidebar-context-menu =====================================================*/
+#sidebar-context-menu-manage-extension {  
+  --menuitem-image: url("chrome://global/skin/icons/settings.svg");
+}
+#sidebar-context-menu-remove-extension {
+  --menuitem-image: url("chrome://global/skin/icons/delete.svg");
+}
+#sidebar-context-menu-report-extension {
+  --menuitem-image: url("../icons/send.svg");
+}
+
+#sidebar-context-menu-unpin-extension {
+  --menuitem-image: url("../icons/unpin-tab.svg");
+}
+#sidebar-context-menu-hide-sidebar {
+  --menuitem-image: url("../icons/eye-hide.svg");
+}
+#sidebar-context-menu-customize-sidebar {
+  --menuitem-image: url("chrome://browser/skin/customize.svg");
+}
+#sidebar-context-menu-enable-vertical-tabs {
+  --menuitem-image: url("chrome://browser/skin/sidebar-collapsed.svg");
+}
+
+/*= chrome://browser/content/syncedtabs/sidebar.xhtml ========================*/
+.item.client[clientType=phone] > .item-title-container > .item-icon-container {
+  background-image: url("../icons/device-phone.svg") !important;
+}
+
+.item.client[clientType=tablet] > .item-title-container > .item-icon-container {
+  background-image: url("../icons/device-tablet.svg") !important;
+}
+
+.item.client[clientType=desktop] > .item-title-container > .item-icon-container {
+  background-image: url("../icons/device-desktop.svg") !important;
+}
+
+.item.client[clientType=tv] > .item-title-container > .item-icon-container {
+  background-image: url("../icons/device-tv.svg") !important;
+}
+
+.item.client[clientType=vr] > .item-title-container > .item-icon-container {
+  background-image: url("../icons/device-vr.svg") !important;
+}
+
 /*= unified-extensions-view ===================================================*/
 #unified-extensions-manage-extensions {
  list-style-image: url("chrome://mozapps/skin/extensions/extension.svg");
--- a/src/icons/context_menu/_content_area.scss
+++ b/src/icons/context_menu/_content_area.scss
@ -232,6 +232,9 @@
 #context-translate-selection {
  --menuitem-image: url("../icons/translations.svg");
 }
+#context-ask-chat {
+  --menuitem-image: url("../icons/chat-sparkle.svg");
+}

 #frame {
  --menuitem-image: url("../icons/command-frames.svg");
@ -289,6 +292,38 @@
  }
 }

+/*= context-ask-chat =========================================================*/
+#ask-chat-shortcuts .toolbarbutton-icon {
+  order: -1;
+  margin-inline-end: var(--arrowpanel-menuitem-margin-inline) !important;
+}
+#ask-chat-shortcuts .subviewbutton:nth-child(1) {
+  list-style-image: url("../icons/apps-list-detail.svg");
+}
+#ask-chat-shortcuts .subviewbutton:nth-child(2) {
+  list-style-image: url("../icons/code-text.svg");
+}
+#ask-chat-shortcuts .subviewbutton:nth-child(3) {
+  list-style-image: url("../icons/tetris-app.svg");
+}
+#ask-chat-shortcuts .subviewbutton:nth-child(4) {
+  list-style-image: url("../icons/arrow-up-exclamation.svg");
+}
+
+
+#context-ask-chat menuitem:nth-child(1) {
+  --menuitem-image: url("../icons/apps-list-detail.svg");
+}
+#context-ask-chat menuitem:nth-child(2) {
+  --menuitem-image: url("../icons/code-text.svg");
+}
+#context-ask-chat menuitem:nth-child(3) {
+  --menuitem-image: url("../icons/tetris-app.svg");
+}
+#context-ask-chat menuitem:nth-child(4) {
+  --menuitem-image: url("../icons/arrow-up-exclamation.svg");
+}
+
 /*= main-context-menu-frame ==================================================*/
 #context-showonlythisframe {
  --menuitem-image: url("../icons/eye-show.svg");
--- a/src/icons/context_menu/_others.scss
+++ b/src/icons/context_menu/_others.scss
@ -15,7 +15,7 @@
  --menuitem-image: url("chrome://global/skin/icons/check.svg");
 }
 #blockedPopupOptions > menuitem[oncommand="gPopupBlockerObserver.editPopupSettings();"] {
-  --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+  --menuitem-image: url("../icons/edit-active.svg");
 }
 #blockedPopupDontShowMessage {
  /* checkbox */
@ -260,6 +260,9 @@ menuitem.searchbar-clear-history {

 /*= urlbarView-result-menu ===================================================*/
 .urlbarView-result-menuitem {
+  &[data-command="trendingblock"] {
+    --menuitem-image: url("../icons/eye-hide.svg");
+  }
  &[data-command="dismiss"] {
    --menuitem-image: url("chrome://global/skin/icons/delete.svg");
  }
--- a/src/icons/context_menu/_place.scss
+++ b/src/icons/context_menu/_place.scss
@ -24,7 +24,7 @@
 #placesContext_show_bookmark\:info,
 #placesContext_show\:info,
 #placesContext_show_folder\:info {
-  --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+  --menuitem-image: url("../icons/edit-active.svg");
 }
 #placesContext_deleteBookmark,
 #placesContext_deleteFolder,
--- a/src/icons/context_menu/_tab_toolbar.scss
+++ b/src/icons/context_menu/_tab_toolbar.scss
@ -22,8 +22,13 @@
 #sidebartabs_asamuzak_jp-menuitem-_reloadAllTabs {
  --menuitem-image: url("../icons/reload.svg");
 }
+#context_playTab,
+#context_playSelectedTabs {
+  --menuitem-image: url("../icons/play-fill.svg");
+}
 #context_toggleMuteTab,
 #context_toggleMuteSelectedTabs,
+#treestyletab_piro_sakura_ne_jp-menuitem-_context_toggleMuteTab[label="Mute Tab"],
 #treestyletab_piro_sakura_ne_jp-menuitem-_context_toggleMuteTab-mute,
 #tabcenter-reborn_ariasuni-menuitem-_contextMenuMuteTab,
 #sidebartabs_asamuzak_jp-menuitem-_muteTab {
@ -32,6 +37,7 @@
 }
 #context_toggleMuteTab[muted],
 #context_toggleMuteSelectedTabs[muted],
+#treestyletab_piro_sakura_ne_jp-menuitem-_context_toggleMuteTab[label="Unmute Tab"],
 #treestyletab_piro_sakura_ne_jp-menuitem-_context_toggleMuteTab-unmute,
 #tabcenter-reborn_ariasuni-menuitem-_contextMenuMuteTab[label="Unmute Tab"],
 #sidebartabs_asamuzak_jp-menuitem-_muteTab[label="Unmute Tab"] {
@ -51,6 +57,12 @@
 #sidebartabs_asamuzak_jp-menuitem-_pinTab[label="Unpin Tab"] {
  --menuitem-image: url("../icons/unpin-tab.svg");
 }
+#treestyletab_piro_sakura_ne_jp-menuitem-_context_topLevel_toggleSticky[label="Stick Tab to Edges"] {
+  --menuitem-image: url("../icons/align-distribute-top.svg");
+}
+#treestyletab_piro_sakura_ne_jp-menuitem-_context_topLevel_toggleSticky[label="Unstick Tab to Edges"] {
+  --menuitem-image: url("../icons/align-space-evenly-vertical.svg");
+}
 #context_duplicateTab,
 #context_duplicateTabs,
 #treestyletab_piro_sakura_ne_jp-menuitem-_context_duplicateTab,
@ -121,6 +133,7 @@
 #sidebartabs_asamuzak_jp-menuitem-_closeTab {
  --menuitem-image: url("chrome://global/skin/icons/close.svg");
 }
+#treestyletab_piro_sakura_ne_jp-menuitem-_context_closeDuplicatedTabs,
 #context_closeDuplicateTabs {
  @include Option("userChrome.icon.menu.full") {
    --menuitem-image: var(--uc-tab-close-duplicate-icon);
@ -205,6 +218,13 @@
  --menuitem-image: url("../icons/undo.svg");
 }

+#toolbar-context-customize-sidebar {
+  --menuitem-image: url("chrome://browser/skin/customize.svg");
+}
+#toolbar-context-toggle-vertical-tabs {
+  --menuitem-image: url("chrome://browser/skin/sidebar-collapsed.svg");
+}
+
 #toggle_toolbar-menubar {
  /* checkbox */
  --menuitem-image: url("../icons/calendar-agenda.svg");
@ -243,7 +263,7 @@ menuitem.viewCustomizeToolbar {
  }
 }
 #tm-renameTab {
-  --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+  --menuitem-image: url("../icons/edit-active.svg");
 }
 #tm-copyTabUrl {
  --menuitem-image: url("../icons/link.svg");
--- a/src/icons/fork_browsers/_floorp.scss
+++ b/src/icons/fork_browsers/_floorp.scss
@ -47,7 +47,7 @@
    }

    &[data-l10n-id="make-browsercss-file"] {
-      --menuitem-image: url("chrome://global/skin/icons/edit.svg");
+      --menuitem-image: url("../icons/edit-active.svg");
    }
    &[data-l10n-id="open-css-folder"] {
      --menuitem-image: var(--uc-folder-icon);
--- a/src/icons/fork_browsers/_waterfox.scss
+++ b/src/icons/fork_browsers/_waterfox.scss
@ -15,4 +15,8 @@
  menuitem.privatetab-icon {
    --menuitem-image: url("../icons/private-favicon.svg");
  }
+
+  #sidebar_waterfox_net-menuitem-_openAllBookmarksWithStructure {
+    --menuitem-image: url("../icons/organization-horizontal.svg");
+  }
 }
--- a/src/icons/layout/_bookmark_menu.scss
+++ b/src/icons/layout/_bookmark_menu.scss
@ -17,8 +17,8 @@ menupopup menupopup[emptyplacesresult] .menu-text,

 //-- Mixin ---------------------------------------------------------------------
 // Items
-$_bookmarkMenuitem: "menuitem:not(.menuitem-iconic, [disabled=\"true\"])";
-$_bookmarkMenu: "menu:not(.menu-iconic)";
+$_bookmarkMenuitem: "menuitem:not(.menuitem-iconic, [disabled=\"true\"]):not(:has(.menu-icon[aria-hidden=\"true\"]))";
+$_bookmarkMenu: "menu:not(.menu-iconic):not(:has(.menu-icon[aria-hidden=\"true\"]))";

 // Components
 $_bookmarkPopup: "menupopup:is(#BMB_bookmarksPopup)[placespopup=\"true\"]";
--- a/src/icons/layout/_menu.scss
+++ b/src/icons/layout/_menu.scss
@ -81,6 +81,15 @@ $_layoutCommonMenus: (
    menupopup {
      --menuitem-image: none; /* Prevent Image Inheritance */
    }
+    & > :is(.menubar-text, .menu-text) {
+      @include OS($win) {
+        transform: translateY(-1px) !important; /* Fix menu top padding position */
+        padding-inline-start: 0.3em !important;
+      }
+      @include OS($linux) {
+        @include _layout_init_linux;
+      }
+    }
    @include NotOption("userChrome.padding.global_menubar") {
      padding-block: 2px !important;
    }
@ -99,6 +108,11 @@ $_layoutCommonMenus: (
    .menupopup-arrowscrollbox {
      padding-inline: 0 !important; /* Original: padding: var(--panel-padding); --panel-padding-block: 4px; */
    }
+
+    // FF v141 #1128
+    menupopup[needsgutter] > :is(menu, menuitem) > .menu-icon {
+      display: none !important;
+    }
  }
 }

@ -113,10 +127,6 @@ $_layoutCommonMenus: (
 /* Padding - Linux */
@include OS($linux) {
  @include _layout_root_linux;
-
-  #{$_globalMenus} > .menubar-text {
-    @include _layout_init_linux;
-  }
 }

 /* Padding - Mac */
--- a/src/icons/layout/_menu_common.scss
+++ b/src/icons/layout/_menu_common.scss
@ -12,7 +12,7 @@ $_checkMenu: ":not([type=\"checkbox\"][checked=\"true\"], [type=\"radio\"])";
 $_nestedPopup: "> menupopup:not(.in-menulist) >";
 $_nestedPopupIcon: ":not(menu, #ContentSelectDropdown) #{$_nestedPopup}";
 $_nestedPopupPadding: ":not(menu, #ContentSelectDropdown, #context-navigation) #{$_nestedPopup}";
-$_iconMenuPopup: "menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ToolsPopup, #windowPopup, #menu_HelpPopup, #usercssloader-menupopup)";
+$_iconMenuPopup: "menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ProfilesPopup, #menu_ToolsPopup, #windowPopup, #menu_HelpPopup, #usercssloader-menupopup, #sidebar-context-menu)";

 $_nestedPopupIconMenus: selector.nest(
  $_nestedPopupIcon,
@ -31,7 +31,7 @@ $_globalMenus: "#main-menubar > menu";
 $_libraryMenuitem: "menupopup:is(#organizeButtonPopup, #maintenanceButtonPopup) > #{$_iconMenuitem}";
 $_libraryMenu: "menupopup:is(#viewMenuPopup, #maintenanceButtonPopup) > #{$_iconMenu}";
 $_sendTabMenuPopup: "#context_sendTabToDevicePopupMenu, #context-sendpagetodevice-popup, #context-sendlinktodevice-popup";
-$_otherPopupMenuitem: "menupopup:is(#{$_sendTabMenuPopup}, #frame > menupopup, #spell-dictionaries-menu) > menuitem#{$_checkMenu}";
+$_otherPopupMenuitem: "menupopup:is(#{$_sendTabMenuPopup}, #frame > menupopup, #spell-dictionaries-menu, #context-ask-chat > menupopup) > menuitem#{$_checkMenu}";
 $_otherIconMenu: ".openintabs-menuitem, #blockedPopupDontShowMessage, #BMB_viewBookmarksToolbar, #sidebarMenu-popup:is(menupopup)";

 //-- Mixin ---------------------------------------------------------------------
@ -41,7 +41,7 @@ $_initialMenus: selector.append(
  $_checkMenu
 );
 $_initialMenus: $_initialMenus + "," +
-                selector.nest($_initialMenus, "> .menu-iconic-left > .menu-iconic-icon");
+                selector.nest($_initialMenus, "> .menu-iconic-left > .menu-iconic-icon, > .menu-icon");
@mixin _initial_menus() {
  -moz-appearance: none !important; /* Linux: menulist */
 }
@ -192,6 +192,12 @@ $_initialMenus: $_initialMenus + "," +
    // https://github.com/mozilla/gecko-dev/blob/e54707888510dec75db59a170b287d1db031505a/toolkit/themes/linux/global/menu.css#L103
    --context-menu-text-padding: 21px;
  }
+  .menu-icon {
+    display: unset !important;
+  }
+  #main-menubar > menu > .menu-icon {
+    display: none !important;
+  }
 }
@mixin _layout_init_linux() {
  padding-inline-start: 3px;
--- a/src/icons/layout/_menu_contents.scss
+++ b/src/icons/layout/_menu_contents.scss
@ -61,10 +61,12 @@ $_placesPopupSetMenus: selector.nest(
  /* Contextmenu Checkbox Unset */
  #{$_placesPopupSet} menuitem[type="checkbox"] {
    margin-inline: 0 !important;
-    > .menu-iconic-left > .menu-iconic-icon {
+    > .menu-iconic-left > .menu-iconic-icon,
+    > .menu-icon {
      margin-inline-end: 0 !important;
    }
-    &:not([checked="true"]) > .menu-iconic-left > .menu-iconic-icon {
+    &:not([checked="true"]) > .menu-iconic-left > .menu-iconic-icon,
+    &:not([checked="true"]) > .menu-icon {
      border: none !important;
      background-color: unset !important;
    }
--- a/src/leptonChromeNightly.scss
+++ b/src/leptonChromeNightly.scss
@ -3,8 +3,9 @@
@namespace xul url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
@namespace html url("http://www.w3.org/1999/xhtml");

-@import "leptonChrome";
-
-/*@ NIGHTLY @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
@include mode.MEDIA_PREF;
@import "leptonChrome";
+
+/*@ DEPRECATED @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
+@include mode.MEDIA_BOOL_PREF;
+@import "leptonChrome";
--- a/src/leptonContentNightly.scss
+++ b/src/leptonContentNightly.scss
@ -3,8 +3,9 @@
@namespace xul url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
@namespace html url("http://www.w3.org/1999/xhtml");

-@import "leptonContent";
-
-/*@ NIGHTLY @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
@include mode.MEDIA_PREF;
@import "leptonContent";
+
+/*@ DEPRECATED @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
+@include mode.MEDIA_BOOL_PREF;
+@import "leptonContent";
--- a/src/library/_proton.scss
+++ b/src/library/_proton.scss
@ -101,7 +101,7 @@

 #placesToolbar > toolbarbutton > .toolbarbutton-icon,
 #placesMenu > menu > image,
-#placesMenu > menu > .menubar-text {
+#placesMenu > menu > :is(.menubar-text, .menu-text) {
  -moz-context-properties: fill !important;
  fill: currentColor !important;
 }
@ -131,7 +131,7 @@
      background-color: var(--organizer-selected-background) !important;
      color: var(--organizer-selected-color) !important;
    }
-    > .menubar-text {
+    > :is(.menubar-text, .menu-text) {
      margin-block: 0 !important; /* override menu.css */
      padding-inline-end: 4px !important;
    }
--- a/src/navbar/_as_sidebar.scss
+++ b/src/navbar/_as_sidebar.scss
@ -41,7 +41,7 @@
    opacity: 0;
    visibility: hidden; // If use `collapse`, inline `--urlbar-toolbar-height` variable is calculated strangely small.
  }
-  :root:has(#sidebar-box[positionend="true"]) #nav-bar {
+  :root:has(#sidebar-box[positionend]) #nav-bar {
    right: 0;
  }
 }
@ -109,7 +109,7 @@
      position: absolute;
      height: 100%;

-      &[positionend="true"] {
+      &[positionend] {
        right: 0;
      }
    }
@ -125,10 +125,10 @@
    height: calc(100% - var(--uc-customization-conatiner-margin));
  }

-  &:has(#sidebar-box:not([positionend="true"])) #customization-container {
+  &:has(#sidebar-box:not([positionend])) #customization-container {
    margin-inline-start: var(--uc-sidebar-activate-width);
  }
-  &:has(#sidebar-box[positionend="true"]) #customization-container {
+  &:has(#sidebar-box[positionend]) #customization-container {
    margin-inline-end: var(--uc-sidebar-activate-width);
  }

--- a/src/padding/_drag_space.scss
+++ b/src/padding/_drag_space.scss
@ -6,11 +6,11 @@

 //-- Mixin ---------------------------------------------------------------------
@mixin _dragSpaceHeight {
-  :root[tabsintitlebar][sizemode="normal"] #toolbar-menubar[autohide="true"] {
+  :root:is([tabsintitlebar], [customtitlebar])[sizemode="normal"] #toolbar-menubar[autohide="true"] {
    @content;
  }
  @include Option("userChrome.padding.drag_space.maximized") {
-    :root[tabsintitlebar][sizemode="maximized"] #toolbar-menubar[autohide="true"] {
+    :root:is([tabsintitlebar], [customtitlebar])[sizemode="maximized"] #toolbar-menubar[autohide="true"] {
      @content;
    }
  }
--- a/src/padding/_first_tab.scss
+++ b/src/padding/_first_tab.scss
@ -4,14 +4,14 @@
 }

@include NotOption("userChrome.padding.first_tab.always") {
-  :root:not([tabsintitlebar]) #tabbrowser-tabs:not([positionpinnedtabs]),
+  :root:not([tabsintitlebar]):not([customtitlebar]) #tabbrowser-tabs:not([positionpinnedtabs]),
  :root:is([sizemode="maximized"], [sizemode="fullscreen"]) #tabbrowser-tabs:not([positionpinnedtabs]) {
    padding-inline-start: var(--uc-space-left-tabbar) !important;
  }
 }

@include Option("userChrome.padding.first_tab.always") {
-  :root:not([tabsintitlebar]) #tabbrowser-tabs,
+  :root:not([tabsintitlebar]):not([customtitlebar]) #tabbrowser-tabs,
  :root:is([sizemode="maximized"], [sizemode="fullscreen"]) #tabbrowser-tabs {
    padding-inline-start: calc(var(--tab-overflow-pinned-tabs-width, 0px) +  var(--uc-space-left-tabbar)) !important;
  }
--- a/src/padding/_index.scss
+++ b/src/padding/_index.scss
@ -51,12 +51,14 @@
 }
@include Option("userChrome.padding.urlView_expanding", "userChrome.urlView.as_commandbar") {
  #urlbar[breakout][breakout-extend] {
-    top: calc((var(--urlbar-toolbar-height, var(--urlbar-container-height)) - var(--urlbar-height)) / 2) !important;
-    left: 0 !important;
-    width: 100% !important;
+    top: calc(var(--urlbar-container-height) * 2 - var(--urlbar-height)) !important;
+    width: var(--urlbar-width) !important;
+    position: relative !important;
+    margin: 0 !important;
  }

-  #urlbar[breakout][breakout-extend] > #urlbar-input-container {
+  #urlbar[breakout][breakout-extend] > #urlbar-input-container,
+  #urlbar[breakout][breakout-extend] > .urlbar-input-container  {
    height: var(--urlbar-height) !important;
    padding-block: 0 !important;
    padding-inline: var(--urlbar-container-padding, 0px) !important;
--- a/src/padding/_tabbar_height.scss
+++ b/src/padding/_tabbar_height.scss
@ -62,12 +62,17 @@
  }

  @include NotOption("userChrome.tabbar.multi_row") {
+    :root:not([uidensity="compact"]) #TabsToolbar:not([multibar]) #pinned-tabs-container,
+    #TabsToolbar:not([multibar]) #pinned-tabs-container[overflowing="true"] > .tabbrowser-tab[pinned="true"],
+    #TabsToolbar:not([multibar]) #pinned-tabs-container[overflowing="true"] > .tabbrowser-tab[pinned="true"] .tab-stack,
+    #TabsToolbar:not([multibar]) #pinned-tabs-container[overflowing="true"] > .tabbrowser-tab[pinned="true"] .tab-content,
    :root:not([uidensity="compact"]) #TabsToolbar:not([multibar]) #tabbrowser-arrowscrollbox,
    #TabsToolbar:not([multibar]) #tabbrowser-arrowscrollbox[overflowing="true"] > .tabbrowser-tab[pinned="true"],
    #TabsToolbar:not([multibar]) #tabbrowser-arrowscrollbox[overflowing="true"] > .tabbrowser-tab[pinned="true"] .tab-stack,
    #TabsToolbar:not([multibar]) #tabbrowser-arrowscrollbox[overflowing="true"] > .tabbrowser-tab[pinned="true"] .tab-content {
      max-height: var(--tab-min-height) !important; /* Force apply height */
    }
+    :root[uidensity="compact"] #TabsToolbar:not([multibar]) #pinned-tabs-container,
    :root[uidensity="compact"] #TabsToolbar:not([multibar]) #tabbrowser-arrowscrollbox {
      height: var(--tab-min-height) !important;
    }
@ -75,6 +80,7 @@
 }

 /* Scroll Button - Size Fix */
+:root #pinned-tabs-container,
 :root #tabbrowser-arrowscrollbox {
  --scrollbtn-vertical-padding: 3px;
  --scrollbtn-vertical-border: 2px;
@ -94,7 +100,7 @@
  border-radius: var(--scrollbtn-border-radius, calc(var(--tab-border-radius) + 4px)) !important;
 }

-:root[tabsintitlebar]:not([uidensity="compact"]) #toolbar-menubar[autohide="true"] {
+:root:is([tabsintitlebar], [customtitlebar]):not([uidensity="compact"]) #toolbar-menubar[autohide="true"] {
  height: calc(
    var(--tab-min-height) - var(--tabs-navbar-shadow-size) - 2px
  ); /* Compact: 28px, Normal: 33px, Touch: 38px */
--- a/src/padding/_tabbar_width.scss
+++ b/src/padding/_tabbar_width.scss
@ -60,6 +60,7 @@
  }
 }

+:root:not([uidensity="touch"]) #pinned-tabs-container,
 :root:not([uidensity="touch"]) #tabbrowser-arrowscrollbox {
  --scrollbtn-inner-padding: 1px;
  --scrollbtn-outer-padding: 3px;
@ -92,14 +93,30 @@
 }
 .tabbrowser-tab[fadein]:not([pinned]):not([style*="max-width"]) {
  max-width: var(--tab-max-width) !important; /* Original: 225px */
+
+  #tabbrowser-tabs[orient="vertical"][expanded] & {
+    max-width: none !important;
+  }
+  #tabbrowser-tabs[orient="horizontal"] tab-group[collapsed] > & {
+    min-width: 0 !important;
+    max-width: 0 !important;
+    padding: 0 !important;;
+    margin: 0 !important;
+    overflow-clip-margin: 0;
+  }
 }

 /* neighbouring tabs should "pinch" together */
 :root[customizing="true"] #tabbrowser-arrowscrollbox-periphery,
+#tabbrowser-tabs:not([hasadjacentnewtabbutton]):not([overflow="true"])
+  > #pinned-tabs-container > #tabbrowser-arrowscrollbox-periphery,
 #tabbrowser-tabs:not([hasadjacentnewtabbutton]):not([overflow="true"])
  > #tabbrowser-arrowscrollbox > #tabbrowser-arrowscrollbox-periphery {
  min-width: 3px; // With Panorama Tab Groups #643 #846
 }
+#tabbrowser-tabs[orient="horizontal"] .tab-group-label-container {
+  margin-inline-start: 4px !important;
+}
@include NotOption("userChrome.tab.photon_like_padding") {
  @include Option("userChrome.tab.lepton_like_padding") {
    #TabsToolbar:not([multibar]) .tabbrowser-tab {
--- a/src/padding/_urlbar.scss
+++ b/src/padding/_urlbar.scss
@ -24,11 +24,6 @@
      height: auto !important;
    }
  }
-  :root[uidensity="touch"] & {
-    // Fallback #881
-    top: calc((var(--urlbar-toolbar-height, var(--urlbar-container-height))
-               - var(--urlbar-height)) / 2 + 1px) !important;
-  }
 }

 /* spread menu */
--- a/src/rounding/_square.scss
+++ b/src/rounding/_square.scss
@ -3,6 +3,11 @@
    --tab-border-radius: 0 !important; /* Original: 4px */
  }
 }
+@include NotOption("userChrome.rounding.square_tab") {
+  :root {
+    --tab-border-radius: 4px !important; /* Original: 4px */
+  }
+}
@include Option("userChrome.rounding.square_button") {
  :root {
    --urlbar-icon-border-radius: 0 !important; /* Original: calc(var(--toolbarbutton-border-radius) - 1px); */
--- a/src/sidebar/_overlap.scss
+++ b/src/sidebar/_overlap.scss
@ -33,11 +33,11 @@
  #sidebar-box {
    --uc-sidebar-shadow-color: #28282F;

-    z-index: 1 !important;
+    z-index: var(--browser-area-z-index-sidebar-splitter, 3) !important;
    position: relative !important;

    box-shadow: var(--uc-sidebar-shadow-position) 0px 15px -10px var(--uc-sidebar-shadow-color);
-    &[positionend="true"] {
+    &[positionend] {
      --uc-sidebar-shadow-position: calc(-1 * var(--uc-sidebar-shadow-position-default));
    }
  }
@ -53,7 +53,7 @@
 }

@include Option("userChrome.sidebar.overlap") {
-  #sidebar-box[positionend="true"] {
+  #sidebar-box[positionend] {
    direction: rtl;
  }

--- a/src/tab/_connect_to_window.scss
+++ b/src/tab/_connect_to_window.scss
@ -1,6 +1,20 @@
-#tabbrowser-tabs[orient="vertical"] {
-  --uc-tab-border-bottom-radius: var(--tab-border-radius);
+#TabsToolbar {
+  #tabbrowser-tabs:not([orient="vertical"]) {
+    max-height: var(--tab-min-height);
  }
+  #tabbrowser-tabs:not([orient="vertical"])[movingtab] {
+    padding-bottom: unset !important;
+    margin-bottom: unset !important;
+  }
+
+  &[multibar] #tabbrowser-tabs:not([orient="vertical"]) {
+    max-height: var(--tab-min-height_mlt);
+  }
+}
+
+#tabbrowser-tabs:not([orient="vertical"]) {
+  min-height: unset !important; /* Original: var(--tabstrip-min-height) */
+
  .tab-background {
    border-radius: var(--tab-border-radius) var(--tab-border-radius) var(--uc-tab-border-bottom-radius, 0px) var(--uc-tab-border-bottom-radius, 0px) !important;
    margin-bottom: 0px !important;
@ -15,6 +29,14 @@
    margin-bottom: 0px !important;
  }

+  tab-group .tabbrowser-tab:is([selected], [multiselected]) .tab-group-line {
+    transform: translateY(calc(var(--tab-group-line-thickness) * -1));
+  }
+}
+#tabbrowser-tabs[orient="vertical"] {
+  --uc-tab-border-bottom-radius: var(--tab-border-radius);
+}
+
 /* Remove line at Toolbar's top */
 #tabbrowser-tabs {
  z-index: 1 !important;
@ -26,6 +48,7 @@
 }

 /* Pinned Tab - tabbrowser-arrowscrollbox overflowing */
+#tabbrowser-tabs[positionpinnedtabs] > #pinned-tabs-container > .tabbrowser-tab[pinned],
 #tabbrowser-tabs[positionpinnedtabs] > #tabbrowser-arrowscrollbox > .tabbrowser-tab[pinned] {
  z-index: 0 !important;

--- a/src/tab/_selected_tab.scss
+++ b/src/tab/_selected_tab.scss
@ -67,3 +67,27 @@
@include Option("userChrome.tab.photon_like_contextline") {
  @import "selected_tab/photon_like_contextline";
 }
+
+/*= Selected Tab - Supernova like contextline ===================================*/
+@include NotOption("userChrome.tab.photon_like_contextline") {
+  @include Option("userChrome.tab.supernova_like_contextline") {
+    @import "selected_tab/supernova_like_contextline";
+
+    @include Option("userChrome.tab.contextline_blue_accent") {
+      #tabbrowser-tabs .tab-context-line {
+        --tab-line-color: #45a1ff !important;
+      }
+    }
+    @include NotOption("userChrome.tab.contextline_blue_accent") {
+      @include OS("linux") {
+        @include not_lwtheme {
+          #tabbrowser-tabs .tab-context-line {
+            @include AccentColor("Highlight") {
+              --tab-line-color: #{$accentColor} !important; /* -moz-accent-color */
+            }
+          }
+        }
+      }
+    }
+  }
+}
--- a/src/tab/clipped_tab/_letters_cleary.scss
+++ b/src/tab/clipped_tab/_letters_cleary.scss
@ -30,6 +30,7 @@
 }

 .tabbrowser-tab[visuallyselected]:not([labelendaligned]):hover .tab-label-container,
+#tabbrowser-tabs:not([closebuttons=activetab]) > #pinned-tabs-container > .tabbrowser-tab:not([visuallyselected],[labelendaligned]):hover .tab-label-container,
 #tabbrowser-tabs:not([closebuttons=activetab]) > #tabbrowser-arrowscrollbox > .tabbrowser-tab:not([visuallyselected],[labelendaligned]):hover .tab-label-container {
  --tab-label-mask-size: 0.9em; /* Original: 1em */
 }
--- a/src/tab/clipped_tab/_show_close_button_at_hover.scss
+++ b/src/tab/clipped_tab/_show_close_button_at_hover.scss
@ -19,6 +19,11 @@
 }

 #tabbrowser-tabs[closebuttons="activetab"] {
+  > #pinned-tabs-container
+  > .tabbrowser-tab:not([pinned])
+  > .tab-stack
+  > .tab-content
+  > .tab-close-button:not([selected]),
  > #tabbrowser-arrowscrollbox
  > .tabbrowser-tab:not([pinned])
  > .tab-stack
--- a/src/tab/newtab_button/_looks_like_tab.scss
+++ b/src/tab/newtab_button/_looks_like_tab.scss
@ -1,4 +1,4 @@
-#tabs-newtab-button {
+#tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button {
  @include Option("userChrome.tab.connect_to_window") {
    /* Size */
    @include BoxAlign("stretch", true);
@ -73,16 +73,16 @@
 }
@media (-moz-windows-accent-color-in-titlebar) {
  @include AccentColor {
-    :root[tabsintitlebar]:not(:-moz-window-inactive)#{$not_lwtheme} #tabs-newtab-button:hover,
-    :root[tabsintitlebar][lwt-default-theme-in-dark-mode]:not(:-moz-window-inactive) #tabs-newtab-button:hover {
+    :root:is([tabsintitlebar], [customtitlebar]):not(:-moz-window-inactive)#{$not_lwtheme} #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button:hover,
+    :root:is([tabsintitlebar], [customtitlebar])[lwt-default-theme-in-dark-mode]:not(:-moz-window-inactive) #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button:hover {
      fill: color-mix(
        in srgb,
        $accentTextColor 10%,
        transparent
      ) !important; /* Hardcoded for compatibility */
    }
-    :root[tabsintitlebar]:not(:-moz-window-inactive)#{$not_lwtheme} #tabs-newtab-button:hover:active,
-    :root[tabsintitlebar][lwt-default-theme-in-dark-mode]:not(:-moz-window-inactive) #tabs-newtab-button:hover:active {
+    :root:is([tabsintitlebar], [customtitlebar]):not(:-moz-window-inactive)#{$not_lwtheme} #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button:hover:active,
+    :root:is([tabsintitlebar], [customtitlebar])[lwt-default-theme-in-dark-mode]:not(:-moz-window-inactive) #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button:hover:active {
      fill: color-mix(
        in srgb,
        $accentTextColor 15%,
@ -98,14 +98,14 @@
        "userChrome.tab.bottom_rounded_corner.chrome",
        "userChrome.tab.bottom_rounded_corner.edge"
      ) {
-        :root[tabsintitlebar]:not(:-moz-window-inactive)#{$not_lwtheme} #tabs-newtab-button:hover,
-        :root[tabsintitlebar][lwt-default-theme-in-dark-mode]:not(:-moz-window-inactive) #tabs-newtab-button:hover {
+        :root:is([tabsintitlebar], [customtitlebar]):not(:-moz-window-inactive)#{$not_lwtheme} #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button:hover,
+        :root:is([tabsintitlebar], [customtitlebar])[lwt-default-theme-in-dark-mode]:not(:-moz-window-inactive) #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button:hover {
          background-image: var(--uc-tab-corner-left-side-svg),
                            linear-gradient(to left, color-mix(in srgb, $accentTextColor 10%, transparent), color-mix(in srgb, $accentTextColor 10%, transparent)),
                            var(--uc-tab-corner-right-side-svg);
        }
-        :root[tabsintitlebar]:not(:-moz-window-inactive)#{$not_lwtheme} #tabs-newtab-button:hover:active,
-        :root[tabsintitlebar][lwt-default-theme-in-dark-mode]:not(:-moz-window-inactive) #tabs-newtab-button:hover:active {
+        :root:is([tabsintitlebar], [customtitlebar]):not(:-moz-window-inactive)#{$not_lwtheme} #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button:hover:active,
+        :root:is([tabsintitlebar], [customtitlebar])[lwt-default-theme-in-dark-mode]:not(:-moz-window-inactive) #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button:hover:active {
          background-image: var(--uc-tab-corner-left-side-svg),
                            linear-gradient(to left, color-mix(in srgb, $accentTextColor 15%, transparent), color-mix(in srgb, $accentTextColor 15%, transparent)),
                            var(--uc-tab-corner-right-side-svg);
@ -116,7 +116,7 @@
 }

 /* '+'Icon */
-#tabs-newtab-button .toolbarbutton-icon {
+#tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button .toolbarbutton-icon {
  border-radius: var(--tab-border-radius) var(--tab-border-radius) 0 0 !important; /* Original: var(--tab-border-radius) */

  padding: calc(var(--toolbarbutton-inner-padding) - (var(--tab-block-margin) / 4)) var(--toolbarbutton-inner-padding)
--- a/src/tab/selected_tab/_bold.scss
+++ b/src/tab/selected_tab/_bold.scss
@ -1,7 +1,4 @@
 .tab-label:is([selected], [attention]) {
-  @include NotOption("userChrome.tab.selected_bold") {
-    font-weight: 400 !important;
-  }
  @include Option("userChrome.tab.selected_bold") {
    font-weight: 600;
  }
--- a/src/tab/selected_tab/_color_like_toolbar.scss
+++ b/src/tab/selected_tab/_color_like_toolbar.scss
@ -7,6 +7,26 @@
  background-color: var(--tab-selected-bgcolor, var(--toolbar-bgcolor)) !important;
 }

+#pinned-tabs-container
+  > .tabbrowser-tab
+  > .tab-stack
+  > .tab-background[selected],
+#tabbrowser-tabs:not([movingtab])
+  > #pinned-tabs-container
+  > .tabbrowser-tab
+  > .tab-stack
+  > .tab-background[selected],
+#pinned-tabs-container
+  > tab-group
+  > .tabbrowser-tab
+  > .tab-stack
+  > .tab-background[selected],
+#tabbrowser-tabs[orient="horizontal"]:not([movingtab])
+  > #pinned-tabs-container
+  > tab-group
+  > .tabbrowser-tab
+  > .tab-stack
+  > .tab-background[selected],
 #tabbrowser-arrowscrollbox
  > .tabbrowser-tab
  > .tab-stack
@ -15,6 +35,17 @@
  > #tabbrowser-arrowscrollbox
  > .tabbrowser-tab
  > .tab-stack
+  > .tab-background[selected],
+#tabbrowser-arrowscrollbox
+  > tab-group
+  > .tabbrowser-tab
+  > .tab-stack
+  > .tab-background[selected],
+#tabbrowser-tabs[orient="horizontal"]:not([movingtab])
+  > #tabbrowser-arrowscrollbox
+  > tab-group
+  > .tabbrowser-tab
+  > .tab-stack
  > .tab-background[selected] {
  @include lwtheme(false) {
    /* Original: linear-gradient(var(--lwt-selected-tab-background-color, transparent), var(--lwt-selected-tab-background-color, transparent)), linear-gradient(var(--toolbar-bgcolor), var(--toolbar-bgcolor)), var(--lwt-header-image, none)
--- a/src/tab/selected_tab/_multi_selected.scss
+++ b/src/tab/selected_tab/_multi_selected.scss
@ -1,4 +1,5 @@
-#TabsToolbar {
+#TabsToolbar,
+#vertical-tabs {
  --uc-multiselected-tab-bgcolor: color-mix(in srgb, currentColor 28%, var(--toolbar-bgcolor, transparent));

  &[brighttext] {
@ -6,10 +7,27 @@
  }
 }

+#tabbrowser-tabs:not([movingtab])
+  > #pinned-tabs-container
+  > .tabbrowser-tab
+  > .tab-stack
+  > .tab-background[multiselected]:not([selected]),
+#tabbrowser-tabs:not([movingtab])
+  > #pinned-tabs-container
+  > tab-group
+  > .tabbrowser-tab
+  > .tab-stack
+  > .tab-background[multiselected]:not([selected]),
 #tabbrowser-tabs:not([movingtab])
  > #tabbrowser-arrowscrollbox
  > .tabbrowser-tab
  > .tab-stack
+  > .tab-background[multiselected]:not([selected]),
+#tabbrowser-tabs:not([movingtab])
+  > #tabbrowser-arrowscrollbox
+  > tab-group
+  > .tabbrowser-tab
+  > .tab-stack
  > .tab-background[multiselected]:not([selected]) {
   /* Original:
   background-attachment: scroll, scroll, fixed;
--- a/src/tab/selected_tab/_supernova_like_contextline.scss
+++ b/src/tab/selected_tab/_supernova_like_contextline.scss
@ -0,0 +1,107 @@
+/* context line styles */
+tabs tab.tabbrowser-tab > .tab-stack > .tab-background > .tab-context-line {
+  @include InlineBox(true);
+  &::before {
+    content: "";
+    height: 1px !important;
+    border-radius: 9999px !important;
+    transform: translateY(5px);
+    margin-top: -1px !important;
+    margin-left: 5px;
+    margin-right: 5px;
+    width: 100%;
+  }
+}
+
+/* Override container-tab style */
+tabs tab.tabbrowser-tab[usercontextid] > .tab-stack > .tab-background > .tab-context-line {
+  margin: unset !important;
+}
+
+/* selected tab style */
+#{built-in-light-theme()} .tab-context-line,
+#{built-in-dark-theme()} .tab-context-line {
+  --tab-line-color: #45a1ff;
+}
+.tabbrowser-tab:is([selected], [multiselected]) .tab-context-line::before {
+  background-color: var(--tab-line-color, var(--lwt-tab-line-color, #45a1ff)) !important;
+}
+
+/* Set the active effect */
+.tabbrowser-tab:active > .tab-stack > .tab-background > .tab-context-line::before {
+  filter: brightness(70%);
+  margin-left: 6px;
+  margin-right: 6px;
+}
+
+/* Set the hover effect */
+.tabbrowser-tab:hover:not([selected="true"], [multiselected])
+  > .tab-stack
+  > .tab-background
+  > .tab-context-line::before {
+  background-color: rgba(0, 0, 0, 0.4) !important;
+  opacity: 1 !important;
+}
+
+#TabsToolbar[brighttext]
+  .tabbrowser-tab:hover:not([selected="true"], [multiselected])
+  > .tab-stack
+  > .tab-background
+  > .tab-context-line::before {
+  background-color: rgba(255, 255, 255, 0.4) !important;
+}
+
+
+/* Animation */
+@media (prefers-reduced-motion: no-preference) {
+  .tabbrowser-tab:hover:not([selected="true"], [multiselected])
+    > .tab-stack
+    > .tab-background
+    > .tab-context-line::before {
+    animation: toWide 0.2s cubic-bezier(0, 0.9, 0.15, 1);
+  }
+}
+
+/* Animation for hover effect */
+@keyframes toWide {
+  0% {
+    opacity: 0.8;
+    margin-left: 40%;
+    margin-right: 40%;
+  }
+  100% {
+    opacity: 1;
+    margin-left: 5px;
+    margin-right: 5px;
+  }
+}
+
+/* --- copied (not modified) from _photon_like_contextline.scss --- */
+
+/* Prevent identity color flashing */
+.tabbrowser-tab[usercontextid] .tab-context-line {
+  --identity-icon-color: none;
+}
+:root:not([customizing="true"]) #TabsToolbar[brighttext] tab[visuallyselected] > stack::before,
+:root:not([customizing="true"]) #TabsToolbar[brighttext] tab[visuallyselected] > stack::after {
+  /* As Selected Tab - Box Shadow */
+  stroke: var(--toolbar-color) !important;
+}
+
+/* Remove side's background color border */
+:root#{$lwtheme}
+  #TabsToolbar[brighttext]
+  #tabbrowser-tabs:not([noshadowfortests])
+  .tabbrowser-tab:is([visuallyselected], [multiselected])
+  > .tab-stack
+  > .tab-background {
+  --tabs-border-color: rgba(0, 0, 0, 0.3) !important;
+  box-shadow: 0 0 1px var(--tabs-border-color) !important; /* Original: 0 0 1px var(--tab-line-color, rgba(128,128,142,0.9)) */
+}
+#TabsToolbar:not([brighttext])
+  #tabbrowser-tabs:not([noshadowfortests])
+  .tabbrowser-tab:is([visuallyselected], [multiselected])
+  > .tab-stack
+  > .tab-background {
+  box-shadow: 0 0 1px var(--tabs-border-color), 0 0 4px rgba(128, 128, 142, 0.5) !important; /* Original: 0 0 1px var(--tab-line-color, rgba(128,128,142,0.9)), 0 0 4px rgba(128,128,142,0.5) */
+}
--- a/src/tab/sound_tab/_show_with_favicons.scss
+++ b/src/tab/sound_tab/_show_with_favicons.scss
@ -60,6 +60,29 @@
  width: 17px !important;
  height: 17px !important;
 }
+.tab-icon-overlay:not([crashed]) {
+  // https://github.com/black7375/Firefox-UI-Fix/issues/1011
+  &:is([soundplaying], [muted], [activemedia-blocked]) {
+    -moz-context-properties: fill, fill-opacity, stroke !important;
+    fill: currentColor !important;
+    border: none !important;
+  }
+  &:is([pinned], [sharing]) {
+    stroke: var(--tab-icon-overlay-stroke, light-dark(white, black));
+    color: var(--tab-icon-overlay-fill, light-dark(black, white));
+  }
+
+  // There is a difference in size between background-image and list-style-image due to margins, etc.
+  &[soundplaying] {
+    list-style-image: url("./icons/tab-audio-playing-small.svg");
+  }
+  &[muted] {
+      list-style-image: url("./icons/tab-audio-muted-small.svg");
+  }
+  &[activemedia-blocked] {
+      list-style-image: url("./icons/tab-audio-blocked-small.svg");
+  }
+}
 .tab-icon-overlay:not([sharing], [crashed]):is([soundplaying], [muted], [activemedia-blocked]) {
  /* Color */
  color: currentColor !important;
@ -69,6 +92,32 @@
  opacity: 1 !important;
 }

+.tab-audio-button:not([crashed]),
+.tab-audio-button[pinned][crashed][selected] {
+  /* Position */
+    margin-inline-start: -8px !important;
+    margin-inline-end: -4px !important;
+    z-index: 1 !important;
+    transform: translateX(var(--uc-sound-tab-icon-position-x)) translateY(var(--uc-sound-tab-icon-position-y));
+    
+    /* Shape */
+    --button-size-icon-small: 17px !important;
+    --button-min-height-small: 17px !important;
+    --button-border-radius: 100% !important;
+    width: 17px !important;
+    height: 17px !important;
+    border-radius: 100%;
+    overflow: clip;
+    
+    --button-text-color-ghost-hover: light-dark(white, black);
+    --button-background-color-ghost-hover: light-dark(black, white);
+}
+.tab-audio-button:not([sharing], [crashed]):is([soundplaying], [muted], [activemedia-blocked]) {
+  display: flex !important;
+  fill-opacity: 0.8 !important;
+  opacity: 1 !important;
+}
+
 /* Label */
@include _hidden_tabIcon_soundTabLabel {
  .tabbrowser-tab:not([pinned], [sharing], [crashed]):is([soundplaying], [muted], [activemedia-blocked]) {
--- a/src/tab/unselected_tab/_dynamic_separator.scss
+++ b/src/tab/unselected_tab/_dynamic_separator.scss
@ -23,6 +23,7 @@

 //------------------------------------------------------------------------------

+#pinned-tabs-container,
 #tabbrowser-arrowscrollbox {
  --start-tab-separator-position-x: -1.5px;
  --end-tab-separator-position-x: 1.5px;
@ -40,42 +41,43 @@
 }

@include Option("userChrome.tab.newtab_button_like_tab") {
-  .tab-stack::before,
-  #tabs-newtab-button::before {
+  #tabbrowser-tabs:not([orient="vertical"]) .tab-stack::before,
+  #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button::before {
    @include _dynamicSeparatorShape;

    /* More position */
    transform: translateX(var(--tab-separator-position-x)) translateY(var(--tab-separator-position-y));
  }
-  #tabs-newtab-button::before {
+  #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button::before {
    left: calc(50%  - (8px + var(--toolbarbutton-inner-padding)));
  }
 }

@include NotOption("userChrome.tab.newtab_button_like_tab") {
-  .tab-stack::before,
-  #tabbrowser-arrowscrollbox:not([overflowing])
+  #tabbrowser-tabs:not([orient="vertical"]) .tab-stack::before,
+  #tabbrowser-tabs:not([orient="vertical"]) #tabbrowser-arrowscrollbox:not([overflowing])
    .tabbrowser-tab:not([visuallyselected], [multiselected], :hover):last-of-type
    .tab-stack::after {
    @include _dynamicSeparatorShape;
  }

-  .tab-stack::before {
+  #tabbrowser-tabs:not([orient="vertical"]) .tab-stack::before {
    transform: translateX(var(--tab-separator-position-x)) translateY(var(--tab-separator-position-y)) !important;
  }
-  .tabbrowser-tab:last-of-type .tab-stack::after {
+  #tabbrowser-tabs:not([orient="vertical"]) .tabbrowser-tab:last-of-type .tab-stack::after {
    right: 0;
    transform: translateX(var(--end-tab-separator-position-x)) translateY(var(--tab-separator-position-y)) !important;
  }
 }

-.tabbrowser-tab:not([visuallyselected], [multiselected], :hover, :first-of-type) .tab-stack::before {
+#pinned-tabs-container:not([orient="vertical"]):not(:empty):not(:has(.tabbrowser-tab[pinned]:is([visuallyselected], [multiselected], :hover):last-of-type)) ~ #tabbrowser-arrowscrollbox:not([orient="vertical"]) .tabbrowser-tab:not([visuallyselected], [multiselected], :hover):first-of-type .tab-stack::before,
+#tabbrowser-tabs:not([orient="vertical"]) .tabbrowser-tab:not([visuallyselected], [multiselected], :hover, :first-of-type) .tab-stack::before {
  opacity: var(--tab-separator-opacity);
 }
@include Option("userChrome.tabbar.one_liner") {
  @include NotOption("userChrome.tabbar.one_liner.tabbar_first") {
    @include OneLinerContent {
-      .tabbrowser-tab:not([visuallyselected], [multiselected], :hover):first-of-type .tab-stack::before {
+      #tabbrowser-tabs:not([orient="vertical"]) .tabbrowser-tab:not([visuallyselected], [multiselected], :hover):first-of-type .tab-stack::before {
        opacity: var(--tab-separator-opacity);
        transform: translateX(var(--start-tab-separator-position-x)) translateY(var(--tab-separator-position-y));
      }
@ -83,68 +85,75 @@
  }
 }
@include Option("userChrome.tab.newtab_button_like_tab") {
-  #tabs-newtab-button:not(:hover, [open])::before {
+  #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button:not(:hover, [open])::before {
    opacity: var(--tab-separator-opacity);
  }
 }
@include NotOption("userChrome.tab.newtab_button_like_tab") {
-  #tabbrowser-arrowscrollbox:not([overflowing])
+  #tabbrowser-tabs:not([orient="vertical"]) #tabbrowser-arrowscrollbox:not([overflowing])
    .tabbrowser-tab:not([visuallyselected], [multiselected], :hover):last-of-type
    .tab-stack::after {
    opacity: var(--tab-separator-opacity);
  }
 }

-#navigator-toolbox:not([movingtab])
+#tabbrowser-tabs:not([orient="vertical"]) tab-group {
+  &:has(.tabbrowser-tab:last-child:is(:hover, [selected])) + .tabbrowser-tab .tab-stack::before,
+  &[collapsed] + .tabbrowser-tab .tab-stack::before {
+    opacity: 0 !important;
+  }
+}
+
+#navigator-toolbox:not([movingtab]) #tabbrowser-tabs:not([orient="vertical"])
  .tabbrowser-tab:is([first-visible-unpinned-tab], :nth-child(1 of :not([pinned], [hidden]))):is([visuallyselected], [multiselected], :hover)
  .tab-stack::before,
-#navigator-toolbox:not([movingtab])
+#navigator-toolbox:not([movingtab]) #tabbrowser-tabs:not([orient="vertical"])
  #tabbrowser-arrowscrollbox[overflowing]
  tab.tabbrowser-tab:is([first-visible-unpinned-tab], :nth-child(1 of :not([pinned], [hidden])))
  .tab-stack::before {
  opacity: 0 !important;
 }
@include Option("userChrome.tab.newtab_button_like_tab") {
-  #navigator-toolbox:not([movingtab])
+  #navigator-toolbox:not([movingtab]) #tabbrowser-tabs:not([orient="vertical"])
    .tabbrowser-tab:is([visuallyselected], [multiselected], :hover)
    + .tabbrowser-tab
    .tab-stack::before,
-  #navigator-toolbox:not([movingtab])
+  #navigator-toolbox:not([movingtab]) #tabbrowser-tabs:not([orient="vertical"])
    .tabbrowser-tab:last-of-type:is([visuallyselected], [multiselected], :hover)
    ~ #tabs-newtab-button::before, /* Legacy - v103 */
-  #navigator-toolbox:not([movingtab])
+  #navigator-toolbox:not([movingtab]) #tabbrowser-tabs:not([orient="vertical"])
    .tabbrowser-tab:last-of-type:is([visuallyselected], [multiselected], :hover)
    ~ #tabbrowser-arrowscrollbox-periphery #tabs-newtab-button::before {
    opacity: 0 !important;
  }
 }
@include NotOption("userChrome.tab.newtab_button_like_tab") {
-  .tabbrowser-tab:is([visuallyselected], [multiselected], :hover)
+  #tabbrowser-tabs:not([orient="vertical"]) .tabbrowser-tab:is([visuallyselected], [multiselected], :hover)
    + .tabbrowser-tab:not([visuallyselected])
    .tab-stack::before {
    opacity: 0 !important;
  }

-  :root:not([uidensity="compact"]) #tabs-newtab-button > .toolbarbutton-icon {
+  :root:not([uidensity="compact"]) #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button > .toolbarbutton-icon {
    margin-left: 2px;
  }
-  :root[uidensity="compact"] #tabs-newtab-button > .toolbarbutton-icon {
+  :root[uidensity="compact"] #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button > .toolbarbutton-icon {
    margin-left: 1px;
  }
 }

 /* Animate */
@include Animate {
-  .tab-stack::before {
+  #tabbrowser-tabs:not([orient="vertical"]) .tab-stack::before {
    transition: opacity 0.2s var(--animation-easing-function); /* cubic-bezier(.07, .95, 0, 1) */
  }
  @include Option("userChrome.tab.newtab_button_like_tab") {
-    #tabs-newtab-button::before {
+    #tabbrowser-tabs:not([orient="vertical"]) #tabs-newtab-button::before {
      transition: opacity 0.2s var(--animation-easing-function); /* cubic-bezier(.07, .95, 0, 1) */
    }
  }
  @include NotOption("userChrome.tab.newtab_button_like_tab") {
-    #tabbrowser-arrowscrollbox:not([overflowing])
+    #tabbrowser-tabs:not([orient="vertical"]) #tabbrowser-arrowscrollbox:not([overflowing])
      .tabbrowser-tab:not([visuallyselected], [multiselected], :hover):last-of-type
      .tab-stack::after {
      transition: opacity 0.2s var(--animation-easing-function); /* cubic-bezier(.07, .95, 0, 1) */
@ -153,6 +162,6 @@
 }

 /* Latest Tab & New tab margin */
-#tabbrowser-arrowscrollbox:not([overflowing]) .tabbrowser-tab:last-of-type {
+#tabbrowser-tabs:not([orient="vertical"]) #tabbrowser-arrowscrollbox:not([overflowing]) .tabbrowser-tab:last-of-type {
  margin-inline-end: 1px !important;
 }
--- a/src/tabbar/_as_titlebar.scss
+++ b/src/tabbar/_as_titlebar.scss
@ -12,7 +12,7 @@

 //------------------------------------------------------------------------------

-:root:not([tabsintitlebar="true"]) #tabbrowser-tabs, /* Show only */
+:root:not([tabsintitlebar="true"]):not([customtitlebar="true"]) #tabbrowser-tabs, /* Show only */
 #scrollbutton-up, /* Defaults */
 #scrollbutton-down,
 .titlebar-spacer[type="pre-tabs"],
@ -48,6 +48,7 @@ spacer:is([part="overflow-start-indicator"], [part="overflow-end-indicator"]),
 }

 /* Pinned */
+#tabbrowser-tabs[positionpinnedtabs] > #pinned-tabs-container > .tabbrowser-tab[pinned][selected="true"],
 #tabbrowser-tabs[positionpinnedtabs] > #tabbrowser-arrowscrollbox > .tabbrowser-tab[pinned][selected="true"] {
  position: relative !important;
 }
@ -70,18 +71,19 @@ spacer:is([part="overflow-start-indicator"], [part="overflow-end-indicator"]),

 /* Padding */
@include _asTitlebar_preSpacer {
+  #pinned-tabs-container,
  #tabbrowser-arrowscrollbox {
    margin-inline: 2px !important;
-  }
-  :root[sizemode="normal"] #tabbrowser-arrowscrollbox {
+    :root[sizemode="normal"] & {
      margin-inline: 6px !important;
    }
  }
+}


@include Option("browser.tabs.tabmanager.enabled") {
-  :root:not([tabsintitlebar="true"]) #tabbrowser-tabs:not([overflow="true"], [hashiddentabs]) ~ #alltabs-button,
-  :root:not([tabsintitlebar="true"]) #tabbrowser-tabs[hasadjacentnewtabbutton]:not([overflow="true"]) ~ #new-tab-button {
+  :root:not([tabsintitlebar="true"]):not([customtitlebar="true"]) #tabbrowser-tabs:not([overflow="true"], [hashiddentabs]) ~ #alltabs-button,
+  :root:not([tabsintitlebar="true"]):not([customtitlebar="true"]) #tabbrowser-tabs[hasadjacentnewtabbutton]:not([overflow="true"]) ~ #new-tab-button {
    @include Box(true);
  }
 }
--- a/src/tabbar/_index.scss
+++ b/src/tabbar/_index.scss
@ -6,6 +6,8 @@
    // flex-wrap: wrap; // Disabled at #700
  }
  :root[sizemode="fullscreen"] #titlebar,
+  :root[sizemode="fullscreen"] #toolbar-menubar,
+  :root[sizemode="fullscreen"] #TabsToolbar,
  :root[sizemode="fullscreen"] #nav-bar,
  :root[sizemode="fullscreen"] #PersonalToolbar,
  :root[sizemode="fullscreen"] #tab-notification-deck,
--- a/src/tabbar/_multi_row.scss
+++ b/src/tabbar/_multi_row.scss
@ -40,6 +40,7 @@ See the above repository for updates as well as full license text. */
 }

 .scrollbox-clip[orient="horizontal"],
+#pinned-tabs-container,
 #tabbrowser-arrowscrollbox {
  overflow: -moz-hidden-unscrollable;
  display: block;
--- a/src/tabbar/_on_bottom.scss
+++ b/src/tabbar/_on_bottom.scss
@ -2,7 +2,8 @@
 See the above repository for updates as well as full license text. */

 /*= Tabbar - Move to bottom ==================================================*/
-#titlebar {
+#titlebar,
+#TabsToolbar {
  @include BoxOrder(2) /* When userChrome.fullscreen.overlap */;
  --tabs-navbar-shadow-size: 0px;
 }
@ -81,7 +82,7 @@ See the above repository for updates as well as full license text. */
    width: 100%;
    overflow: hidden;
  }
-  :root[tabsintitlebar] #toolbar-menubar[autohide="true"]:not([inactive="true"]) {
+  :root:is([tabsintitlebar], [customtitlebar]) #toolbar-menubar[autohide="true"]:not([inactive="true"]) {
    height: var(--uc-menubar-height) !important; /* calc(var(--tab-min-height) + 2 * var(--tab-block-margin)) */
  }

--- a/src/tabbar/_one_liner.scss
+++ b/src/tabbar/_one_liner.scss
@ -19,7 +19,9 @@
  // transform: translateY(calc(-1 * var(--uc-navbar-block, 0px)));
 }

-#titlebar {
+#titlebar,
+#toolbar-menubar,
+#TabsToolbar {
  transform: translateY(var(--uc-navbar-block, 0px));
 }
 #TabsToolbar > .titlebar-buttonbox-container {
--- a/Show more
+++ b/Show more
Author	SHA1	Message	Date
alstjr7375	aa9fc543b3	Fix: Bookmark Menu padding Some checks failed CI / build (push) Has been cancelled Details	2025-11-29 00:00:00 +09:00
alstjr7375	38507b733b	Fix: Tab - Rounding #1139 Some checks failed CI / build (push) Has been cancelled Details	2025-11-16 22:35:03 +09:00
alstjr7375	2bcd91f8b8	Chore: Release name change for legacy Firefox 117 #1131	2025-10-12 00:00:00 +09:00
alstjr7375	4645a41e7e	Fix: Context menu spacing in toggle-able menus #1128 Some checks failed CI / build (push) Has been cancelled Details	2025-09-13 00:00:00 +09:00
alstjr7375	b0b977e658	Docs: CREDIT	2025-08-10 23:08:56 +09:00
alstjr7375	44d4124a57	Fix: Tabbar - Clipping at movingtab #1126 Some checks failed CI / build (push) Has been cancelled Details	2025-08-10 00:36:36 +09:00
alstjr7375	3b2e609eab	Fix: Pinned Tab - Color & separator #1111	2025-08-09 23:41:33 +09:00
alstjr7375	7e21531269	Fix: Sidebar - Menu icons Some checks failed CI / build (push) Has been cancelled Details	2025-08-06 09:06:44 +09:00
alstjr7375	37ba412b4c	Fix: Icons - Tab toolbar Some checks are pending CI / build (push) Waiting to run Details	2025-08-05 09:10:56 +09:00
alstjr7375	83431e9e76	Fix: Tabbar - Vertical tab max-width adjustment #1107 Some checks failed CI / build (push) Has been cancelled Details	2025-08-03 21:29:20 +09:00
alstjr7375	2576f0b031	Fix: Tabar - max-height #1111	2025-08-02 00:00:00 +09:00
alstjr7375	5a5dedef16	Fix: URLBar - Remove Megabar CSS #1038 Some checks failed CI / build (push) Has been cancelled Details	2025-08-01 09:14:30 +09:00
Esteve Varela Colominas	2360479dc1	Fix Megabar CSS (#1038 )	2025-08-01 09:14:30 +09:00
alstjr7375	5e49ab0a9a	Fix: Global Menubar - padding #1099 Some checks failed CI / build (push) Has been cancelled Details	2025-07-12 00:00:00 +09:00
alstjr7375	911c3f524b	Fix: Icons - context menu overlap in linux #1099 Some checks failed CI / build (push) Has been cancelled Details	2025-06-30 00:39:30 +09:00
alstjr7375	42a6a09f32	Fix: Global Menubar - Padding at windows #1103 Some checks failed CI / build (push) Has been cancelled Details	2025-06-04 00:00:00 +09:00
alstjr7375	bfc9d9435d	Fix: TitleBar - Remove native titlebar button style at linux Some checks are pending CI / build (push) Waiting to run Details The title bar is not visible in v140 `5ce8bb770f`	2025-06-04 00:00:00 +09:00
alstjr7375	1d535c5ad3	Fix: Global Menu - menu text selector	2025-06-03 00:00:00 +09:00
alstjr7375	5c818fc1cb	Fix: Context menu - transparent background color at hover #1102	2025-06-02 00:00:00 +09:00
alstjr7375	392556235f	CREDIT - Update sponsors Some checks failed CI / build (push) Has been cancelled Details	2025-05-12 05:25:00 +09:00
alstjr7375	87603c3873	Fix: Icons - Profile icons	2025-05-12 05:10:03 +09:00
MS_Y	48455a76b5	Merge pull request #1094 from irhdevel/supernova_contextline_fix	2025-05-12 05:08:03 +09:00
irhdevel	b8b036c0dd	Fix: background of supernova contextline on hover is too light	2025-05-11 01:02:03 +09:00
irhdevel	303b758dd7	Fix: Tab - Supernova Contextline Position/Animation in container-tabs - fixed contextline's position is lower in container-tabs. - The background-color of contextline is now synced with Firefox theme or OS accent color. - Contextline is currently represented using pseudo-elements for animation and code integration in container-tabs. - Added new option `userChrome.tab.contextline_blue_accent` to avoid the contextline color becoming the same as the background in some themes.	2025-05-10 23:45:51 +09:00
alstjr7375	db615f1753	Fix: support vertical tabs Some checks failed CI / build (push) Has been cancelled Details	2025-04-28 09:36:57 +09:00
alstjr7375	9f52697dd2	Fix: missing tab audio icons Some checks failed CI / build (push) Has been cancelled Details	2025-04-07 00:00:00 +09:00
alstjr7375	f53624ab6e	Fix: Tab Group supports #1086	2025-04-06 00:00:00 +09:00
alstjr7375	f547441c6f	Fix: Tab - Audio icon position #1075 Some checks failed CI / build (push) Has been cancelled Details	2025-04-04 00:00:00 +09:00
MS_Y	a9c2d4ecb5	Merge pull request #1084 from coxde/master feat: add librewolf flatpak profile path	2025-03-22 01:39:28 +09:00
COxDE	30457b0457	feat: add librewolf flatpak profile path	2025-03-19 10:01:20 +00:00
alstjr7375	d46476ce72	Fix: `@media -moz-pref` supports #1072 ESR era syntax has been removed.	2025-03-11 03:01:12 +09:00
alstjr7375	209a1cfe13	Fix: Activity Stream - Align pages #1068	2025-02-14 05:16:55 +09:00
alstjr7375	7f6a63fb93	Fix: Autohide - Navbar erroneous pointer events #1028	2025-02-01 19:04:52 +09:00
alstjr7375	ad7babfaa9	Fix: Tabbar - Windows accent color with `!important` #1030	2025-01-31 02:12:34 +09:00
alstjr7375	71b3bac715	Doc: CREDITS - New github sponsor	2025-01-31 01:59:05 +09:00
alstjr7375	3aa68db041	Fix: Autohide - Navbar not hiding urlbar #1028	2025-01-26 01:43:12 +09:00
alstjr7375	6147b3188d	Fix: Autohide - Navbar drag & drop event #820	2025-01-25 01:20:42 +09:00
alstjr7375	750694b282	Fix: Tabbar - Hidden .titlebar-buttonbox-container #1029	2025-01-24 01:12:24 +09:00
alstjr7375	f112f47c9c	Fix: Panel - Extensions menu gear icon hover style #1056	2025-01-23 01:04:48 +09:00
alstjr7375	3742efb570	Fix: Sidebar - Remove animated flashes from Windows #1053	2025-01-22 01:59:18 +09:00
alstjr7375	87abdcd37a	Fix: FullScreen - MacOS Tab Min Height #1045	2025-01-13 02:04:28 +09:00
alstjr7375	36c05567b2	Fix: FullScreen - MacOS Tabbar crop #1045	2025-01-12 01:50:29 +09:00
alstjr7375	350b0524d0	Fix: Tabbar - Windows accent color #1030	2024-12-30 06:00:36 +09:00
alstjr7375	f5287014e2	Fix: Sidebar - Right side overlap #1052	2024-12-29 05:44:00 +09:00
alstjr7375	7d96af3abe	Fix: Tabbar - tabsintitlebar to customtitlebar compatibility - `c3795ef218` - `06b1c50bed`	2024-12-27 05:31:09 +09:00
alstjr7375	a42a815892	Fix: Tabbar - Hidden tabbar #1029 TODO: [tabsinitlebar] -> [customtitlebar] migration	2024-12-26 08:41:11 +09:00
alstjr7375	f4ed175838	Fix: Icons - Protection icon #1047 But not works at `.toolbarbutton-icon`	2024-12-25 06:46:15 +09:00
alstjr7375	0a1dd71991	Fix: UserContent - Addon page menu icon #1043	2024-12-24 05:04:02 +09:00
alstjr7375	2658e7328e	Fix: Panel - Misplaced separator of the Account menu #1041	2024-12-23 05:03:47 +09:00
alstjr7375	6b554042a0	Fix: Response to titlebar removal #1040 `052d458767 (diff-3bc9a8d30c5dac9f5e2374b4419a283306710a5a4ccfea7ba005eed30907233bR255)`	2024-12-22 05:03:29 +09:00
alstjr7375	54cec8c113	Fix: Tab - Selected bold effect #1046	2024-12-21 05:03:02 +09:00
alstjr7375	11c502742b	Fix: Compatibility - Design token	2024-12-20 05:02:43 +09:00
alstjr7375	7f51acc93d	Fix: UserContent - Page accent color #1048	2024-12-19 04:59:50 +09:00
alstjr7375	e5eff553fd	Fix: URLBar - Position at touch density #1035	2024-11-30 06:48:06 +09:00
alstjr7375	83f4603bc1	Fix: URLBar - Prevent overlay at navbar autohide #1028	2024-11-30 06:40:50 +09:00
alstjr7375	d66bd0f400	Fix: URLBar - Prevent overlay at full screen #1028	2024-11-30 06:07:56 +09:00
alstjr7375	40d8bed8cf	Fix: URLBar - Reduce fade animation #1033	2024-11-30 03:26:36 +09:00
alstjr7375	63b47ae816	Fix: Icons - Device icon at sidebar #1027	2024-11-30 00:46:57 +09:00
alstjr7375	9df0a7f71d	Fix: Icons - Tabs from other devices #1026	2024-11-29 00:34:20 +09:00
alstjr7375	1ba1f91a71	Chore: Fix yarn install error & bump actions	2024-11-29 00:08:38 +09:00
alstjr7375	8c845b7e97	Fix: Tab - Burst size at supernova-like context line #1006	2024-11-24 04:42:02 +09:00
alstjr7375	f64a629f45	Chore: Yarn version update to 4	2024-11-21 04:40:02 +09:00
alstjr7375	9363e9a4be	Fix: Sidebar - Adjust z-index for overlap #993	2024-11-20 03:52:27 +09:00
alstjr7375	a56a1044cf	Doc: CREDIT - New ko-fi, github sponsor	2024-11-19 03:16:18 +09:00
alstjr7375	190aa839e6	Fix: Tabbar - Min size at v134 #1023	2024-11-16 20:38:09 +09:00
alstjr7375	3441312512	Fix: Fullscreen - Bookmark overflow button when switching from DOM Fullscreen #685	2024-11-16 15:14:09 +09:00
alstjr7375	d60a753416	Fix: Content - Radio icon #1022 `09079239a4`	2024-11-15 01:40:14 +09:00
alstjr7375	530b283da0	Fix: Tab - Sound overlay icon typo #1011	2024-11-04 22:09:48 +09:00
alstjr7375	ed9866819a	Fix: Tab - Restore overlay icon shape #1011	2024-11-04 15:26:00 +09:00
alstjr7375	00afdf140b	Fix: Icons - List all tabs icon	2024-10-07 02:51:27 +09:00
alstjr7375	c327fb7fe0	Fix: Content - `about:process` thin icon #960	2024-09-23 20:36:53 +09:00
alstjr7375	df6bc8d430	Fix: Content - `about:process` profile icon hover #960	2024-09-23 20:15:43 +09:00
alstjr7375	0277495c0e	Fix: Contents - icon scope rule #938	2024-09-23 19:33:52 +09:00
alstjr7375	f7718ed326	Fix: about:process profile button hover again #989	2024-09-23 19:00:36 +09:00
alstjr7375	93db8584c0	Fix: Library - Colflict to bookmark panel selector #988	2024-09-23 18:09:42 +09:00
alstjr7375	e34cf5f086	Fix: Infobar - Primary button color	2024-09-22 17:27:49 +09:00
alstjr7375	ed8bbe969c	Fix: Activity Stream - 3 dot button size #913	2024-09-20 01:06:29 +09:00
alstjr7375	113aa41f7d	Fix: Icons - Waterfox open All as Tree menu #987	2024-09-19 00:20:09 +09:00
alstjr7375	591cade37a	Add: Icons - Chatbot menus #978	2024-09-17 22:22:38 +09:00
alstjr7375	50f76389ad	Fix: Icons - Send to devices at sync panel #986	2024-09-16 18:20:01 +09:00
Zap	4c78d5cd9d	Icons for https://github.com/black7375/Firefox-UI-Fix/issues/962 * 1.25px import icon (from Photon) * 1.25px stopwatch icon (from Photon) * 1.25px refresh icon (from Acorn) * 1.25px update circle icon (from Acorn)	2024-09-19 17:13:05 +09:00
alstjr7375	3b44e58ef4	Fix: Icons - URL view tranding bloacks #964	2024-09-15 17:09:00 +09:00
alstjr7375	b3e1b84451	Fix: Icons - Report broken site at Protection popup #971	2024-09-13 16:12:34 +09:00
alstjr7375	ed5e5198fc	Fix: Fullscreen bookmarkbar visibility #979	2024-09-08 15:36:24 +09:00
alstjr7375	227c6af7ac	Fix: Fullscreen hover behavior #979	2024-09-07 15:36:05 +09:00
alstjr7375	5390ef2858	Merge branch	2024-09-04 17:18:27 +09:00
alstjr7375	3db45fbfe9	Doc: CREDIT - New big sponsoring @BrowserWorks	2024-09-03 17:18:02 +09:00
alstjr7375	9e8498204f	Doc: CREDIT - New contributor #968	2024-08-31 17:08:25 +09:00
alstjr7375	9560003715	Doc: CREDIT - New sponsor on Ko-Fi	2024-08-30 17:03:15 +09:00
MS_Y	c346292707	Merge pull request #968 from irhdevel/supernova_contextline Add: Tab - Supernova like Selected Tab ContextLine	2024-08-27 00:30:50 +09:00
irhdevel	9584a7621d	Add: Tab - Supernova like Selected Tab ContextLine	2024-08-26 04:56:48 +09:00
alstjr7375	3a98df551f	Fix: Customization - Background color #963	2024-08-25 16:42:56 +09:00
alstjr7375	2795f54e65	Fix: UserContent - `about:process` profile icon hover #960	2024-08-25 16:32:07 +09:00
alstjr7375	2a2c20220e	Fix: UserContent - `View Available Updates` height #685	2024-08-24 15:30:13 +09:00
alstjr7375	fcab63308d	Fix: Icons - Duplicate Tabs Icon at treestyletab #958	2024-08-23 15:18:22 +09:00
alstjr7375	823d878916	Fix: Icons - AI Chatbot on sidebar #957	2024-08-19 14:44:26 +09:00
alstjr7375	c79922aa45	Fix: Icons - Play icon at tab context menu #955	2024-08-09 15:43:32 +09:00
alstjr7375	e1987d1ff7	Fix: UserContent - `about:preferences` Adjust item spacing #952	2024-08-09 14:23:32 +09:00
alstjr7375	10a8dc20aa	Fix: `about:process` profile button hover #948	2024-08-08 14:06:33 +09:00
alstjr7375	c01458d891	Fix: Icons - Tree style tab #949	2024-08-07 13:38:08 +09:00
alstjr7375	a495031319	Fix: Setting - Change option name from upstream(v128) #947	2024-07-22 14:15:44 +09:00
MS_Y	4b6a1d787b	Doc: Fix update by github convention	2024-07-19 18:52:47 +09:00
alstjr7375	ce22061aca	Fix: Content - folder icon rule as locally #938	2024-07-09 01:10:33 +09:00
alstjr7375	5fe1a8418f	Add: Content - `about:support` refresh button as danger color #941	2024-07-08 00:11:41 +09:00
alstjr7375	f07e9f4f33	Fix: Icons - Ask to AIChat After wrestling with the wand, we decided to make it more clear that it's a chat. https://techcrunch.com/2024/06/15/apple-joins-the-race-to-find-an-ai-icon-that-makes-sense/	2024-07-07 14:34:06 +09:00
alstjr7375	a1f1ff5c99	Fix: Icons - Replace `edit` as acorn design system #935	2024-07-06 20:52:55 +09:00
				`@ -0,0 +1 @@`
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