feat: Initial design for status panel, b=(no-bug), c=common

* Updated id to be unique.

Signed-off-by: CosmoCreeper <179134799+CosmoCreeper@users.noreply.github.com>

* Replaced unique id with one that doesn't contain enabled.

Signed-off-by: CosmoCreeper <179134799+CosmoCreeper@users.noreply.github.com>

---------

Signed-off-by: CosmoCreeper <179134799+CosmoCreeper@users.noreply.github.com>

.gitattributes

@@ -1,2 +1,4 @@
 *.patch linguist-language=C++
 *.d.ts linguist-language=TypeScript
+
+src/zen/tests/*.js linguist-language=Test

.github/workflows/build.yml

@@ -475,7 +475,18 @@ jobs:
     if: ${{ inputs.create_release || inputs.update_branch == 'twilight' }}
     permissions: write-all
     name: Release
-    needs: [build-data, linux, windows-step-3, check-release, mac-uni, appimage, source, lint, stop-self-hosted]
+    needs:
+      [
+        build-data,
+        linux,
+        windows-step-3,
+        check-release,
+        mac-uni,
+        appimage,
+        source,
+        lint,
+        stop-self-hosted,
+      ]
     runs-on: ubuntu-latest
     environment:
       name: ${{ inputs.update_branch == 'release' && 'Deploy-Release' || 'Deploy-Twilight' }}
@@ -490,9 +501,6 @@ jobs:
       - name: Download artifact
         uses: actions/download-artifact@v4
 
-      - name: List
-        run: find .
-
       - name: Checkout updates repository
         uses: actions/checkout@v4
         with:

.github/workflows/check-candidate-release.yml

@@ -5,6 +5,9 @@ on:
     - cron: '59 4 * * 2'
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   check_candidates:
     runs-on: ubuntu-latest

.github/workflows/code-linter.yml

@@ -10,6 +10,9 @@ on:
     branches:
       - dev
 
+permissions:
+  contents: read
+
 jobs:
   lint:
     runs-on: ubuntu-latest

.github/workflows/issue-metrics.yml

@@ -1,4 +1,7 @@
 name: Monthly issue metrics
+permissions:
+  contents: write
+  issues: read
 on:
   workflow_dispatch:
   schedule:
@@ -59,6 +62,6 @@ jobs:
       - name: Commit changes
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
-          commit_message: 'Update monthly issue metrics'
+          commit_message: 'docs: Update monthly issue metrics, b=(no bug), c={docs}'
           commit_user_name: Zen Browser Robot
           commit_user_email: zen-browser-auto@users.noreply.github.com

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

@@ -1,4 +1,6 @@
 name: macOS Release Build
+permissions:
+  contents: read
 
 on:
   workflow_call:

.github/workflows/pr-test.yml

@@ -1,4 +1,6 @@
 name: Pull request test
+permissions:
+  contents: read
 
 on:
   pull_request:

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

@@ -1,5 +1,8 @@
 name: Windows PGO Builds
 
+permissions:
+  contents: read
+
 on:
   workflow_call:
     inputs:

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

@@ -1,5 +1,8 @@
 name: Windows Release Build
 
+permissions:
+  contents: read
+
 on:
   workflow_call:
     inputs:

.prettierignore

@@ -9,6 +9,8 @@ engine/
 
 **/*.svg
 
+**/*.inc.css
+
 surfer.json
 
 src/browser/app/profile/*.js
@@ -26,4 +28,6 @@ src/zen/tabs/zen-tabs.css
 src/zen/compact-mode/zen-compact-mode.css
 src/zen/common/ZenEmojies.mjs
 
+src/zen/workspaces/zen-workspaces.css
+
 *.inc

.prettierrc.json

@@ -7,6 +7,6 @@
   "useTabs": false,
   "jsxSingleQuote": false,
   "semi": true,
-  "printWidth": 128,
+  "printWidth": 100,
   "plugins": ["prettier-plugin-sh"]
 }

.vscode/settings.json

@@ -1,31 +0,0 @@
-{
-  "files.associations": {
-    "*.inc": "cpp",
-    "typeindex": "cpp",
-    "typeinfo": "cpp",
-    "functional": "cpp",
-    "array": "cpp",
-    "*.tcc": "cpp",
-    "memory": "cpp",
-    "future": "cpp",
-    "istream": "cpp",
-    "tuple": "cpp",
-    "utility": "cpp",
-    "variant": "cpp",
-    "compare": "cpp",
-    "thread": "cpp",
-    "string": "cpp",
-    "string_view": "cpp",
-    "span": "cpp",
-    "vector": "cpp",
-    "charconv": "cpp",
-    "chrono": "cpp",
-    "optional": "cpp",
-    "format": "cpp",
-    "ratio": "cpp",
-    "system_error": "cpp",
-    "regex": "cpp",
-    "type_traits": "cpp"
-  },
-  "git.ignoreLimitWarning": true
-}

.well-known/funding-manifest-urls

@@ -0,0 +1 @@
+https://zen-browser.app/funding.json

README.md

@@ -1,3 +1,4 @@
+<!-- TODO: Get a job -->
 <img src="./docs/assets/zen-dark.svg" width="100px" align="left">
 
 ### `Zen Browser`
@@ -28,9 +29,9 @@
 
 ## 🖥️ Compatibility
 
-Zen is currently built using Firefox version `138.0.1`! 🚀
+Zen is currently built using Firefox version `139.0`! 🚀
 
-- [`Zen Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 138.0.1`!
+- [`Zen Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 139.0`!
 - Check out the latest [release notes](https://zen-browser.app/release-notes)!
 - Part of our mission is to keep Zen up-to-date with the latest version of Firefox, so you can enjoy the latest features and security updates!
 

SECURITY.md

@@ -0,0 +1,5 @@
+# Security Policy
+
+## Reporting a Vulnerability
+
+Please report security vulnerabilities [here](https://github.com/zen-browser/desktop/security/advisories/new)

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

@@ -1 +1 @@
-8113a66aeeec42dca9739c7b742a3408cb5b7cf7
+da30619f3ea895b356ded705b8dff9e4f271198f

build/winsign/sign.ps1

@@ -30,8 +30,8 @@ Start-Job -Name "DownloadGitl10n" -ScriptBlock {
 Start-Job -Name "SurferInit" -ScriptBlock {
     param($PWD)
     cd $PWD
-    surfer -- ci --brand release
     npm run import -- --verbose
+    npm run surfer -- ci --brand release
 } -Verbose -ArgumentList $PWD -Debug
 
 echo "Downloading artifacts info"

package-lock.json

@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "MPL-2.0",
       "dependencies": {
-        "@zen-browser/surfer": "^1.11.11"
+        "@zen-browser/surfer": "^1.11.13"
       },
       "devDependencies": {
         "@babel/preset-typescript": "^7.27.0",
@@ -817,14 +817,14 @@
       "license": "MIT"
     },
     "node_modules/@zen-browser/surfer": {
-      "version": "1.11.11",
+      "version": "1.11.13",
-      "resolved": "https://registry.npmjs.org/@zen-browser/surfer/-/surfer-1.11.11.tgz",
+      "resolved": "https://registry.npmjs.org/@zen-browser/surfer/-/surfer-1.11.13.tgz",
-      "integrity": "sha512-n5t25jjG77/rg1HETQBloriCc4GVlHaGWDTNdOxU35Y2qqokcSU+3mPP2cy8u/GBfF0AS6YQmCjE2636tbZkRA==",
+      "integrity": "sha512-D0TyunAWYtTdJkuUkYeOc6VBXzE9aoDs58kWu/Oi/aU3vd8IbqXPbZZfYwj5FWPWDReMrJUNkkKAEdbL44y9aw==",
       "license": "MPL-2.0",
       "dependencies": {
         "@resvg/resvg-js": "^1.4.0",
         "async-icns": "^1.0.2",
-        "axios": "^0.21.1",
+        "axios": "^0.30.0",
         "chalk": "^4.1.0",
         "cli-progress": "^3.9.1",
         "commander": "^6.2.1",
@@ -841,7 +841,7 @@
         "prompts": "^2.4.1",
         "rustic": "^1.2.1",
         "semver": "^7.3.7",
-        "sharp": "^0.30.7",
+        "sharp": "^0.32.6",
         "tiny-glob": "^0.2.9",
         "xmlbuilder2": "^3.0.2"
       },
@@ -942,13 +942,99 @@
         "node": "^12.20.0 || >=14"
       }
     },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
+      "license": "MIT"
+    },
     "node_modules/axios": {
-      "version": "0.21.4",
+      "version": "0.30.0",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.4.tgz",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.30.0.tgz",
-      "integrity": "sha512-ut5vewkiu8jjGBdqpM44XxjuCjq9LAKeHVmoVfHVzy8eHgxxq8SbAVQNovDA8mVi05kP0Ea/n/UzcSHcTJQfNg==",
+      "integrity": "sha512-Z4F3LjCgfjZz8BMYalWdMgAQUnEtKDmpwNHjh/C8pQZWde32TF64cqnSeyL3xD/aTIASRU30RHTNzRiV/NpGMg==",
       "license": "MIT",
       "dependencies": {
-        "follow-redirects": "^1.14.0"
+        "follow-redirects": "^1.15.4",
+        "form-data": "^4.0.0",
+        "proxy-from-env": "^1.1.0"
+      }
+    },
+    "node_modules/b4a": {
+      "version": "1.6.7",
+      "resolved": "https://registry.npmjs.org/b4a/-/b4a-1.6.7.tgz",
+      "integrity": "sha512-OnAYlL5b7LEkALw87fUVafQw5rVR9RjwGd4KUwNQ6DrrNmaVaUCgLipfVlzrPQ4tWOR9P0IXGNOx50jYCCdSJg==",
+      "license": "Apache-2.0"
+    },
+    "node_modules/bare-events": {
+      "version": "2.5.4",
+      "resolved": "https://registry.npmjs.org/bare-events/-/bare-events-2.5.4.tgz",
+      "integrity": "sha512-+gFfDkR8pj4/TrWCGUGWmJIkBwuxPS5F+a5yWjOHQt2hHvNZd5YLzadjmDUtFmMM4y429bnKLa8bYBMHcYdnQA==",
+      "license": "Apache-2.0",
+      "optional": true
+    },
+    "node_modules/bare-fs": {
+      "version": "4.1.4",
+      "resolved": "https://registry.npmjs.org/bare-fs/-/bare-fs-4.1.4.tgz",
+      "integrity": "sha512-r8+26Voz8dGX3AYpJdFb1ZPaUSM8XOLCZvy+YGpRTmwPHIxA7Z3Jov/oMPtV7hfRQbOnH8qGlLTzQAbgtdNN0Q==",
+      "license": "Apache-2.0",
+      "optional": true,
+      "dependencies": {
+        "bare-events": "^2.5.4",
+        "bare-path": "^3.0.0",
+        "bare-stream": "^2.6.4"
+      },
+      "engines": {
+        "bare": ">=1.16.0"
+      },
+      "peerDependencies": {
+        "bare-buffer": "*"
+      },
+      "peerDependenciesMeta": {
+        "bare-buffer": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/bare-os": {
+      "version": "3.6.1",
+      "resolved": "https://registry.npmjs.org/bare-os/-/bare-os-3.6.1.tgz",
+      "integrity": "sha512-uaIjxokhFidJP+bmmvKSgiMzj2sV5GPHaZVAIktcxcpCyBFFWO+YlikVAdhmUo2vYFvFhOXIAlldqV29L8126g==",
+      "license": "Apache-2.0",
+      "optional": true,
+      "engines": {
+        "bare": ">=1.14.0"
+      }
+    },
+    "node_modules/bare-path": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/bare-path/-/bare-path-3.0.0.tgz",
+      "integrity": "sha512-tyfW2cQcB5NN8Saijrhqn0Zh7AnFNsnczRcuWODH0eYAXBsJ5gVxAUuNr7tsHSC6IZ77cA0SitzT+s47kot8Mw==",
+      "license": "Apache-2.0",
+      "optional": true,
+      "dependencies": {
+        "bare-os": "^3.0.1"
+      }
+    },
+    "node_modules/bare-stream": {
+      "version": "2.6.5",
+      "resolved": "https://registry.npmjs.org/bare-stream/-/bare-stream-2.6.5.tgz",
+      "integrity": "sha512-jSmxKJNJmHySi6hC42zlZnq00rga4jjxcgNZjY9N5WlOe/iOoGRtdwGsHzQv2RlH2KOYMwGUXhf2zXd32BA9RA==",
+      "license": "Apache-2.0",
+      "optional": true,
+      "dependencies": {
+        "streamx": "^2.21.0"
+      },
+      "peerDependencies": {
+        "bare-buffer": "*",
+        "bare-events": "*"
+      },
+      "peerDependenciesMeta": {
+        "bare-buffer": {
+          "optional": true
+        },
+        "bare-events": {
+          "optional": true
+        }
       }
     },
     "node_modules/base64-js": {
@@ -1111,6 +1197,19 @@
       "integrity": "sha512-LdUw/JMZyKN+EBDbOHqynYtOLXDjgo+uf5vCUhfO5hVsU2chvbqyexizvxUMaU4ipYZy9MiQyIFwMeIgsb6nBA==",
       "license": "(MIT OR Apache-2.0)"
     },
+    "node_modules/call-bind-apply-helpers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
+      "integrity": "sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/call-once-fn": {
       "version": "1.0.15",
       "resolved": "https://registry.npmjs.org/call-once-fn/-/call-once-fn-1.0.15.tgz",
@@ -1282,6 +1381,18 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "license": "MIT",
+      "dependencies": {
+        "delayed-stream": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/commander": {
       "version": "6.2.1",
       "resolved": "https://registry.npmjs.org/commander/-/commander-6.2.1.tgz",
@@ -1384,15 +1495,38 @@
         "node": ">=4.0.0"
       }
     },
+    "node_modules/delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/detect-libc": {
-      "version": "2.0.3",
+      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.0.4.tgz",
-      "integrity": "sha512-bwy0MGW55bG41VqxxypOsdSdGqLwXPI/focwgTYCFMbdUiBAxLg9CFzG08sz2aqzknwiX7Hkl0bQENjg8iLByw==",
+      "integrity": "sha512-3UDv+G9CsCKO1WKMGw9fwq/SWJYbI0c5Y7LU1AXYoDdbhE2AHQ6N6Nb34sG8Fj7T5APy8qXDCKuuIHd1BR0tVA==",
       "license": "Apache-2.0",
       "engines": {
         "node": ">=8"
       }
     },
+    "node_modules/dunder-proto": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
+      "integrity": "sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.1",
+        "es-errors": "^1.3.0",
+        "gopd": "^1.2.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/duplexify": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-4.1.3.tgz",
@@ -1455,6 +1589,51 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/es-define-property": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.1.tgz",
+      "integrity": "sha512-e3nRfgfUZ4rNGL232gUgX06QNyyez04KdjFrF+LTRoOXmrOgFKDg4BCdsjW8EnT69eqdYGmRpJwiPVYNrCaW3g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/es-errors": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz",
+      "integrity": "sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/es-object-atoms": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.1.tgz",
+      "integrity": "sha512-FGgH2h8zKNim9ljj7dankFPcICIK9Cp5bm+c2gQSYePhpaG5+esrLODihIorn+Pe6FGJzWhXQotPv73jTaldXA==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/es-set-tostringtag": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/es-set-tostringtag/-/es-set-tostringtag-2.1.0.tgz",
+      "integrity": "sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.6",
+        "has-tostringtag": "^1.0.2",
+        "hasown": "^2.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/escalade": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.2.0.tgz",
@@ -1577,6 +1756,12 @@
         }
       }
     },
+    "node_modules/fast-fifo": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/fast-fifo/-/fast-fifo-1.3.2.tgz",
+      "integrity": "sha512-/d9sfos4yxzpwkDkuN7k2SqFKtYNmCTzgfEpz82x34IM9/zc8KGxQoXg1liNC/izpRM/MBdt44Nmx41ZWqk+FQ==",
+      "license": "MIT"
+    },
     "node_modules/fifo": {
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/fifo/-/fifo-2.4.1.tgz",
@@ -1640,6 +1825,21 @@
         }
       }
     },
+    "node_modules/form-data": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.2.tgz",
+      "integrity": "sha512-hGfm/slu0ZabnNt4oaRZ6uREyfCj6P4fT/n6A1rGV+Z0VdGXjfOhVUpkn6qVQONHGIFwmveGXyDs75+nr6FM8w==",
+      "license": "MIT",
+      "dependencies": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "es-set-tostringtag": "^2.1.0",
+        "mime-types": "^2.1.12"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/formal-git": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/formal-git/-/formal-git-1.1.5.tgz",
@@ -1671,6 +1871,15 @@
         "node": ">=12"
       }
     },
+    "node_modules/function-bind": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
+      "integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/gensync": {
       "version": "1.0.0-beta.2",
       "resolved": "https://registry.npmjs.org/gensync/-/gensync-1.0.0-beta.2.tgz",
@@ -1704,6 +1913,43 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
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+        "math-intrinsics": "^1.1.0"
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
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+      "license": "MIT",
+      "engines": {
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
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@@ -1759,12 +2017,51 @@
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+      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.1.0.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/has-tostringtag": {
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+      "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
+      "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
+      "license": "MIT",
+      "dependencies": {
+        "has-symbols": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
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     },
+    "node_modules/hasown": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
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+      },
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@@ -2339,6 +2636,15 @@
         "yallist": "^3.0.2"
       }
     },
+    "node_modules/math-intrinsics": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
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+      "license": "MIT",
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@@ -2359,6 +2665,27 @@
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+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
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+      "license": "MIT",
+      "engines": {
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+      }
+    },
+    "node_modules/mime-types": {
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "mime-db": "1.52.0"
+      },
+      "engines": {
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       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-2.1.0.tgz",
@@ -2477,9 +2804,9 @@
       "license": "ISC"
     },
     "node_modules/node-abi": {
-      "version": "3.74.0",
+      "version": "3.75.0",
-      "resolved": "https://registry.npmjs.org/node-abi/-/node-abi-3.74.0.tgz",
+      "resolved": "https://registry.npmjs.org/node-abi/-/node-abi-3.75.0.tgz",
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@@ -2489,9 +2816,9 @@
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-      "version": "5.1.0",
+      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-5.1.0.tgz",
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       "license": "MIT"
     },
     "node_modules/node-releases": {
@@ -2666,6 +2993,59 @@
         "node": ">=10"
       }
     },
+    "node_modules/prebuild-install/node_modules/bl": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
+      "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
+      "license": "MIT",
+      "dependencies": {
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.4.0"
+      }
+    },
+    "node_modules/prebuild-install/node_modules/readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "license": "MIT",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
+    "node_modules/prebuild-install/node_modules/tar-fs": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-2.1.2.tgz",
+      "integrity": "sha512-EsaAXwxmx8UB7FRKqeozqEPop69DXcmYwTQwXvyAPF352HJsPdkVhvTaDPYqfNgruveJIJy3TA2l+2zj8LJIJA==",
+      "license": "MIT",
+      "dependencies": {
+        "chownr": "^1.1.1",
+        "mkdirp-classic": "^0.5.2",
+        "pump": "^3.0.0",
+        "tar-stream": "^2.1.4"
+      }
+    },
+    "node_modules/prebuild-install/node_modules/tar-stream": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.2.0.tgz",
+      "integrity": "sha512-ujeqbceABgwMZxEJnk2HDY2DlnUZ+9oEcb1KzTVfYHio0UE6dG71n60d8D2I4qNvleWrrXpmjpt7vZeF1LnMZQ==",
+      "license": "MIT",
+      "dependencies": {
+        "bl": "^4.0.3",
+        "end-of-stream": "^1.4.1",
+        "fs-constants": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^3.1.1"
+      },
+      "engines": {
+        "node": ">=6"
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+    },
     "node_modules/prettier": {
       "version": "3.5.3",
       "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.5.3.tgz",
@@ -2740,6 +3120,12 @@
         "node": ">=6"
       }
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+    "node_modules/proxy-from-env": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
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+      "license": "MIT"
+    },
     "node_modules/pump": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.2.tgz",
@@ -2937,9 +3323,9 @@
       "license": "MIT"
     },
     "node_modules/semver": {
-      "version": "7.7.1",
+      "version": "7.7.2",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.1.tgz",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.2.tgz",
-      "integrity": "sha512-hlq8tAfn0m/61p4BVRcPzIGr6LKiMwo4VM6dGi6pt4qcRkmNzTcWq6eCEjEh+qXjkMDvPlOFFSGwQjoEa6gyMA==",
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       "license": "ISC",
       "bin": {
         "semver": "bin/semver.js"
@@ -2965,23 +3351,23 @@
       }
     },
     "node_modules/sharp": {
-      "version": "0.30.7",
+      "version": "0.32.6",
-      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.30.7.tgz",
+      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.32.6.tgz",
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       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
         "color": "^4.2.3",
-        "detect-libc": "^2.0.1",
+        "detect-libc": "^2.0.2",
-        "node-addon-api": "^5.0.0",
+        "node-addon-api": "^6.1.0",
         "prebuild-install": "^7.1.1",
-        "semver": "^7.3.7",
+        "semver": "^7.5.4",
         "simple-get": "^4.0.1",
-        "tar-fs": "^2.1.1",
+        "tar-fs": "^3.0.4",
         "tunnel-agent": "^0.6.0"
       },
       "engines": {
-        "node": ">=12.13.0"
+        "node": ">=14.15.0"
       },
       "funding": {
         "url": "https://opencollective.com/libvips"
@@ -3152,6 +3538,19 @@
       "integrity": "sha512-76ORR0DO1o1hlKwTbi/DM3EXWGf3ZJYO8cXX5RJwnul2DEg2oyoZyjLNoQM8WsvZiFKCRfC1O0J7iCvie3RZmQ==",
       "license": "MIT"
     },
+    "node_modules/streamx": {
+      "version": "2.22.0",
+      "resolved": "https://registry.npmjs.org/streamx/-/streamx-2.22.0.tgz",
+      "integrity": "sha512-sLh1evHOzBy/iWRiR6d1zRcLao4gGZr3C1kzNz4fopCOKJb6xD9ub8Mpi9Mr1R6id5o43S+d93fI48UC5uM9aw==",
+      "license": "MIT",
+      "dependencies": {
+        "fast-fifo": "^1.3.2",
+        "text-decoder": "^1.1.0"
+      },
+      "optionalDependencies": {
+        "bare-events": "^2.2.0"
+      }
+    },
     "node_modules/string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -3268,15 +3667,17 @@
       }
     },
     "node_modules/tar-fs": {
-      "version": "2.1.2",
+      "version": "3.0.8",
-      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-2.1.2.tgz",
+      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-3.0.8.tgz",
-      "integrity": "sha512-EsaAXwxmx8UB7FRKqeozqEPop69DXcmYwTQwXvyAPF352HJsPdkVhvTaDPYqfNgruveJIJy3TA2l+2zj8LJIJA==",
+      "integrity": "sha512-ZoROL70jptorGAlgAYiLoBLItEKw/fUxg9BSYK/dF/GAGYFJOJJJMvjPAKDJraCXFwadD456FCuvLWgfhMsPwg==",
       "license": "MIT",
       "dependencies": {
-        "chownr": "^1.1.1",
-        "mkdirp-classic": "^0.5.2",
         "pump": "^3.0.0",
-        "tar-stream": "^2.1.4"
+        "tar-stream": "^3.1.5"
+      },
+      "optionalDependencies": {
+        "bare-fs": "^4.0.1",
+        "bare-path": "^3.0.0"
       }
     },
     "node_modules/tar-iterator": {
@@ -3299,19 +3700,14 @@
       }
     },
     "node_modules/tar-stream": {
-      "version": "2.2.0",
+      "version": "3.1.7",
-      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-3.1.7.tgz",
-      "integrity": "sha512-ujeqbceABgwMZxEJnk2HDY2DlnUZ+9oEcb1KzTVfYHio0UE6dG71n60d8D2I4qNvleWrrXpmjpt7vZeF1LnMZQ==",
+      "integrity": "sha512-qJj60CXt7IU1Ffyc3NJMjh6EkuCFej46zUqJ4J7pqYlThyd9bO0XBTmcOIhSzZJVWfsLks0+nle/j538YAW9RQ==",
       "license": "MIT",
       "dependencies": {
-        "bl": "^4.0.3",
+        "b4a": "^1.6.4",
-        "end-of-stream": "^1.4.1",
+        "fast-fifo": "^1.2.0",
-        "fs-constants": "^1.0.0",
+        "streamx": "^2.15.0"
-        "inherits": "^2.0.3",
-        "readable-stream": "^3.1.1"
-      },
-      "engines": {
-        "node": ">=6"
       }
     },
     "node_modules/tar-stream-compat": {
@@ -3341,31 +3737,6 @@
         "safe-buffer": "^5.1.1"
       }
     },
-    "node_modules/tar-stream/node_modules/bl": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
-      "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
-      "license": "MIT",
-      "dependencies": {
-        "buffer": "^5.5.0",
-        "inherits": "^2.0.4",
-        "readable-stream": "^3.4.0"
-      }
-    },
-    "node_modules/tar-stream/node_modules/readable-stream": {
-      "version": "3.6.2",
-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
-      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
-      "license": "MIT",
-      "dependencies": {
-        "inherits": "^2.0.3",
-        "string_decoder": "^1.1.1",
-        "util-deprecate": "^1.0.1"
-      },
-      "engines": {
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     "node_modules/temp-suffix": {
       "version": "0.1.14",
       "resolved": "https://registry.npmjs.org/temp-suffix/-/temp-suffix-0.1.14.tgz",
@@ -3378,6 +3749,15 @@
         "node": ">=0.8"
       }
     },
+    "node_modules/text-decoder": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/text-decoder/-/text-decoder-1.2.3.tgz",
+      "integrity": "sha512-3/o9z3X0X0fTupwsYvR03pJ/DjWuqqrfwBgTQzdWDiQSm9KitAyz/9WqsT2JQW7KV2m+bC2ol/zqpW37NHxLaA==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "b4a": "^1.6.4"
+      }
+    },
     "node_modules/through": {
       "version": "2.3.8",
       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",

package.json

@@ -23,7 +23,9 @@
     "lint": "npx prettier . --check && autopep8 --diff scripts/ src/",
     "prepare": "husky",
     "reset-ff": "surfer reset",
-    "surfer": "surfer"
+    "surfer": "surfer",
+    "test": "python3 scripts/run_tests.py",
+    "test:dbg": "python3 scripts/run_tests.py --jsdebugger --debug-on-failure"
   },
   "repository": {
     "type": "git",
@@ -40,7 +42,7 @@
   },
   "homepage": "https://github.com/zen-browser/desktop#readme",
   "dependencies": {
-    "@zen-browser/surfer": "^1.11.11"
+    "@zen-browser/surfer": "^1.11.13"
   },
   "devDependencies": {
     "@babel/preset-typescript": "^7.27.0",

scripts/check_rc_response.py

@@ -38,7 +38,7 @@ def get_rc_response() -> Optional[str]:
     for tag_dict in data["tags"]:
       tag = tag_dict["tag"]
       if (tag.startswith("FIREFOX") and tag.endswith("_BUILD1")
-              and "ESR" not in tag and "b" not in tag):
+              and "ESR" not in tag and "b" not in tag and "ANDROID" not in tag):
         return (tag.replace("FIREFOX_", "").replace("_BUILD1",
                                                     "").replace("_", "."))
   except (FileNotFoundError, json.JSONDecodeError) as e:

scripts/run_tests.py

@@ -0,0 +1,45 @@
+import os
+import sys
+import subprocess
+from pathlib import Path
+
+
+def main():
+  project_root = Path(__file__).resolve().parent.parent
+  package_json = project_root / 'package.json'
+
+  # Ensure script is run from project root
+  if not package_json.exists():
+    print("Please run this script from the root of the project", file=sys.stderr)
+    sys.exit(1)
+
+  args = sys.argv[1:]
+  path = ""
+  for arg in args:
+    if not arg.startswith("--"):
+      path = arg
+      break
+
+  # Collect any additional arguments
+  other_args = [arg for arg in args if arg != path]
+
+  engine_dir = project_root / 'engine'
+  os.chdir(engine_dir)
+
+  def run_mach_with_paths(test_paths):
+    command = ['./mach', 'mochitest'] + other_args + test_paths
+    subprocess.run(command, check=True)
+
+  if path in ("", "all"):
+    test_dirs = [p for p in Path("zen/tests").iterdir() if p.is_dir()]
+    test_paths = [str(p) for p in test_dirs]
+    run_mach_with_paths(test_paths)
+  else:
+    run_mach_with_paths([f"zen/tests/{path}"])
+
+  # Return to original directory
+  os.chdir(project_root)
+
+
+if __name__ == "__main__":
+  main()

src/Cargo-lock.patch

@@ -1,8 +1,8 @@
 diff --git a/Cargo.lock b/Cargo.lock
-index 38508fffccbce801a02d4a4211f368674307c4d3..5ce56c36da2e242ad81621c2032eb68dcd26e960 100644
+index f7ebed9b2a71da90c5751cfd5d5f018cc8b73612..96e881c7782198f1e58be2578f167c7079a8191e 100644
 --- a/Cargo.lock
 +++ b/Cargo.lock
-@@ -3931,8 +3931,6 @@ dependencies = [
+@@ -4014,8 +4014,6 @@ dependencies = [
  [[package]]
  name = "mime_guess"
  version = "2.0.4"

src/Cargo-toml.patch

@@ -1,8 +1,8 @@
 diff --git a/Cargo.toml b/Cargo.toml
-index d3d529b487f80d4b4f3bfa13cdd3f62946352db8..b35a9e0e3339d48d1cd0cab7b22d030f330e40d1 100644
+index 8c6b99bc629ec26e01ab3746f2ae46174bfaa0b1..5791c7470923c7c15986089b40357ce80365e942 100644
 --- a/Cargo.toml
 +++ b/Cargo.toml
-@@ -217,6 +217,9 @@ rure = { path = "third_party/rust/rure" }
+@@ -233,6 +233,9 @@ rure = { path = "third_party/rust/rure" }
  # Patch `plist` to work with `indexmap` 2.*
  plist = { path = "third_party/rust/plist" }
  

src/browser/actors/WebRTCParent-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/actors/WebRTCParent.sys.mjs b/browser/actors/WebRTCParent.sys.mjs
-index 40e3a057a1d4b2f9bcfb73fa5ff96b2555865434..a92bed06766dd930bd336d56cd9ddcf3c6c0eeca 100644
+index 4ed2dd19207fc38b9e5cc22ea2947aba94b2f5ad..ffc88d62dc46683399c68cdfd35f1b1efde70902 100644
 --- a/browser/actors/WebRTCParent.sys.mjs
 +++ b/browser/actors/WebRTCParent.sys.mjs
 @@ -152,6 +152,7 @@ export class WebRTCParent extends JSWindowActorParent {

src/browser/app/profile/browser.inc

@@ -9,10 +9,14 @@ pref("browser.tabs.closeWindowWithLastTab", false);
 pref("browser.tabs.loadBookmarksInTabs", false);
 pref("browser.tabs.hoverPreview.enabled", false);
 pref("browser.tabs.dragdrop.moveOverThresholdPercent", 50);
+pref("browser.tabs.unloadTabInContextMenu", true);
+pref("browser.tabs.fadeOutExplicitlyUnloadedTabs", true);
+
 pref('browser.toolbars.bookmarks.visibility', 'never');
 pref("browser.bookmarks.openInTabClosesMenu", false);
 pref("browser.menu.showViewImageInfo", true);
 pref("findbar.highlightAll", true);
+
 pref("layout.word_select.eat_space_to_next_word", false);
 
 // Better Windows theming
@@ -35,7 +39,9 @@ pref('browser.download.open_pdf_attachments_inline', true);
 pref('browser.download.alwaysOpenPanel', false);
 
 // Updates
+#ifdef MOZILLA_OFFICIAL
 pref("app.update.checkInstallTime.days", 6);
+#endif
 
 #include fullscreen.inc
 #include ai.inc

src/browser/app/profile/disablemozilla.inc

@@ -8,3 +8,4 @@ pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false);
 pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false);
 pref("browser.preferences.moreFromMozilla", false, locked);
 pref("browser.aboutwelcome.enabled", false);
+pref("browser.contentblocking.report.show_mobile_app", false, locked);

src/browser/app/profile/features.inc

@@ -19,13 +19,20 @@ pref('zen.view.show-newtab-button-top', true);
 
 pref('zen.mediacontrols.enabled', true);
 
+// Exposure:
+pref('zen.haptic-feedback.enabled', true);
+
+pref('zen.mods.auto-update-days', 20); // In days
 #ifdef MOZILLA_OFFICIAL
+pref('zen.mods.auto-update', true);
 pref('zen.rice.api.url', 'https://share.zen-browser.app', locked);
 pref('zen.injections.match-urls', 'https://zen-browser.app/*,https://share.zen-browser.app/*', locked);
 #else
+pref('zen.mods.auto-update', false);
 pref('zen.rice.api.url', "http://localhost", locked);
 pref('zen.injections.match-urls', 'http://localhost/*', locked);
 #endif
+
 pref('zen.rice.share.notice.accepted', false);
 
 #ifdef XP_MACOSX
@@ -34,6 +41,12 @@ pref('zen.theme.border-radius', 10); // In pixels
 pref('zen.theme.border-radius', 8); // In pixels
 #endif
 
+#ifdef XP_MACOSX
+pref('zen.theme.acrylic-elements', false);
+#else
+pref('zen.theme.acrylic-elements', false);
+#endif
+
 pref('zen.theme.color-prefs.use-workspace-colors', true);
 
 pref('zen.view.compact.hide-tabbar', true);
@@ -45,6 +58,7 @@ pref('zen.view.compact.color-toolbar', true);
 pref('zen.view.compact.color-sidebar', true);
 pref('zen.view.compact.animate-sidebar', true);
 pref('zen.view.compact.show-sidebar-and-toolbar-on-hover', true);
+pref('zen.view.compact.show-background-tab-toast', true);
 
 pref('zen.urlbar.replace-newtab', true);
 pref('zen.urlbar.show-protections-icon', false);
@@ -54,13 +68,6 @@ pref('zen.urlbar.show-domain-only-in-sidebar', true);
 pref('zen.urlbar.hide-one-offs', true);
 pref('zen.urlbar.enable-overrides', false);
 
-#ifdef XP_MACOSX
-// Disable for macos in the meantime until @HarryHeres finds a solution for hight DPI screens
-pref('zen.view.experimental-rounded-view', false);
-#else
-pref('zen.view.experimental-rounded-view', true);
-#endif
-
 // Glance
 pref('zen.glance.enabled', true);
 pref('zen.glance.hold-duration', 300); // in ms
@@ -88,18 +95,12 @@ pref('zen.view.grey-out-inactive-windows', true);
 pref('zen.view.hide-window-controls', true);
 pref('zen.view.experimental-no-window-controls', false);
 
-pref('zen.tabs.dim-pending', true);
-
 pref('zen.keyboard.shortcuts.enabled', true);
 pref('zen.keyboard.shortcuts.version', 0); // Empty string means default shortcuts
 pref('zen.keyboard.shortcuts.disable-mainkeyset-clear', false); // for debugging
 
 pref('zen.themes.updated-value-observer', false);
 
-pref('zen.tab-unloader.enabled', true);
-pref('zen.tab-unloader.timeout-minutes', 40);
-pref('zen.tab-unloader.excluded-urls', "example.com,example.org");
-
 pref('zen.pinned-tab-manager.debug', false);
 pref('zen.pinned-tab-manager.restore-pinned-tabs-to-pinned-url', false);
 pref('zen.pinned-tab-manager.close-shortcut-behavior', 'reset-unload-switch');
@@ -125,6 +126,12 @@ pref('zen.workspaces.scroll-modifier-key','ctrl'); // can be ctrl, alt, shift, o
 pref('services.sync.engine.workspaces', false);
 pref('zen.workspaces.container-specific-essentials-enabled', false);
 
+#ifdef MOZILLA_OFFICIAL
+pref('zen.workspaces.debug', false);
+#else
+pref('zen.workspaces.debug', true);
+#endif
+
 // Zen Split View
 pref('zen.splitView.enable-tab-drop', true);
 pref('zen.splitView.min-resize-width', 7);

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

@@ -1,8 +1,8 @@
 diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
-index 89b8b830e8f53582dd9910b0172098d31a8d8967..51bdc847823cb95f811b7e9d2d864b9aacf0e364 100644
+index beced8067e6c8b5c8cf8e3f6060ba259ec9a294d..33a264e7f9cf97944da3888bdb957fa6e7c4c346 100644
 --- a/browser/app/profile/firefox.js
 +++ b/browser/app/profile/firefox.js
-@@ -3375,3 +3375,5 @@ pref("toolkit.contentRelevancy.enabled", false);
+@@ -3398,3 +3398,5 @@ pref("toolkit.contentRelevancy.enabled", false);
  pref("toolkit.contentRelevancy.ingestEnabled", false);
  // Pref to enable extra logging for the content relevancy feature
  pref("toolkit.contentRelevancy.log", false);

src/browser/app/profile/performance.inc

@@ -12,6 +12,19 @@ pref("gfx.canvas.accelerated", true);
 pref("media.hardware-video-decoding.enabled", true);
 pref("layers.gpu-process.enabled", true);
 
+#ifdef XP_MACOSX
+// Pref to control the reponse taken on macOS when the OS is under memory
+// pressure. Changes to the pref take effect immediately. Browser restart not
+// required. The pref value is a bitmask:
+// 0x0: No response (other than recording for telemetry, crash reporting)
+// 0x1: Use the tab unloading feature to reduce memory use. Requires that
+//      the above "browser.tabs.unloadOnLowMemory" pref be set to true for tab
+//      unloading to occur.
+// 0x2: Issue the internal "memory-pressure" notification to reduce memory use
+// 0x3: Both 0x1 and 0x2.
+pref("browser.lowMemoryResponseMask", 3);
+#endif
+
 // Prefetching:
 pref("network.dns.disablePrefetch", false);
 pref("network.prefetch-next", true);

src/browser/app/profile/privacy.inc

@@ -19,7 +19,7 @@ pref("browser.ping-centre.telemetry", false);
 pref("browser.attribution.enabled", false);
 pref("toolkit.telemetry.pioneer-new-studies-available", false);
 pref("app.shield.optoutstudies.enabled", false, locked);
-pref("app.normandy.enabled", false, locked);
+pref("app.normandy.enabled", false);
 pref("app.normandy.api_url", "", locked);
 
 // Crash reports

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

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/aboutDialog.js b/browser/base/content/aboutDialog.js
-index f6e1391baf12abb91c85a95107bb3923118746c0..76c7b75a4e29056110f1631a50047c4ddd8b1f4a 100644
+index f6e1391baf12abb91c85a95107bb3923118746c0..cac04aa288e8a305d0c8b28e0c919abce87658e5 100644
 --- a/browser/base/content/aboutDialog.js
 +++ b/browser/base/content/aboutDialog.js
 @@ -52,7 +52,7 @@ function init() {
@@ -20,3 +20,18 @@ index f6e1391baf12abb91c85a95107bb3923118746c0..76c7b75a4e29056110f1631a50047c4d
      versionIdKey += "-nightly";
      let buildID = Services.appinfo.appBuildID;
      let year = buildID.slice(0, 4);
+@@ -125,14 +125,6 @@ function init() {
+       window.close();
+     });
+   if (AppConstants.MOZ_UPDATER) {
+-    document
+-      .getElementById("aboutDialogHelpLink")
+-      .addEventListener("click", () => {
+-        openHelpLink("firefox-help");
+-      });
+-    document
+-      .getElementById("submit-feedback")
+-      .addEventListener("click", openFeedbackPage);
+     document
+       .getElementById("checkForUpdatesButton")
+       .addEventListener("command", () => {

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

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/aboutDialog.xhtml b/browser/base/content/aboutDialog.xhtml
-index c64980810570fcea84e33fdc2d66ac42a79f4e46..b7198e810a7510fa82cc6801cfd01c88a08d42c1 100644
+index c64980810570fcea84e33fdc2d66ac42a79f4e46..6ef9bf4b88f0a0539d833f662c4dd890fd1fde93 100644
 --- a/browser/base/content/aboutDialog.xhtml
 +++ b/browser/base/content/aboutDialog.xhtml
 @@ -35,6 +35,7 @@
@@ -10,7 +10,18 @@ index c64980810570fcea84e33fdc2d66ac42a79f4e46..b7198e810a7510fa82cc6801cfd01c88
    </linkset>
  
    <html:div id="aboutDialogContainer">
-@@ -125,21 +126,23 @@
+@@ -102,10 +103,6 @@
+                 <label id="version" class="update"/>
+                 <label id="releasenotes" is="text-link" hidden="true" data-l10n-id="releaseNotes-link"/>
+               </hbox>
+-              <description class="text-blurb">
+-                <label id="aboutDialogHelpLink" is="text-link" data-l10n-id="aboutdialog-help-user"/>
+-                <label id="submit-feedback" is="text-link" data-l10n-id="aboutdialog-submit-feedback"/>
+-              </description>
+             </vbox>
+ #endif
+           </hbox>
+@@ -125,21 +122,17 @@
              </description>
            </vbox>
            <description class="text-blurb" id="communityDesc" data-l10n-id="community-2">
@@ -18,12 +29,10 @@ index c64980810570fcea84e33fdc2d66ac42a79f4e46..b7198e810a7510fa82cc6801cfd01c88
 +            <label is="text-link" href="https://github.com/zen-browser/desktop" data-l10n-name="community-mozillaLink"/>
              <label is="text-link" useoriginprincipal="true" href="about:credits" data-l10n-name="community-creditsLink"/>
            </description>
-+#if 0
+-          <description class="text-blurb" id="contributeDesc" data-l10n-id="helpus">
-           <description class="text-blurb" id="contributeDesc" data-l10n-id="helpus">
+-            <label is="text-link" href="https://foundation.mozilla.org/?form=firefox-about" data-l10n-name="helpus-donateLink"/>
-             <label is="text-link" href="https://foundation.mozilla.org/?form=firefox-about" data-l10n-name="helpus-donateLink"/>
+-            <label is="text-link" href="https://www.mozilla.org/contribute/?utm_source=firefox-browser&#38;utm_medium=firefox-desktop&#38;utm_campaign=about-dialog" data-l10n-name="helpus-getInvolvedLink"/>
-             <label is="text-link" href="https://www.mozilla.org/contribute/?utm_source=firefox-browser&#38;utm_medium=firefox-desktop&#38;utm_campaign=about-dialog" data-l10n-name="helpus-getInvolvedLink"/>
+-          </description>
-           </description>
-+#endif
          </vbox>
        </vbox>
      </hbox>

src/browser/base/content/appmenu-viewcache-inc-xhtml.patch

@@ -1,15 +0,0 @@
-diff --git a/browser/base/content/appmenu-viewcache.inc.xhtml b/browser/base/content/appmenu-viewcache.inc.xhtml
-index 3c5c4f29b1de25a4ce17089502f2251a27e5c7f5..dfa3260ed3c2bb6067745696fbf103c7e56c639a 100644
---- a/browser/base/content/appmenu-viewcache.inc.xhtml
-+++ b/browser/base/content/appmenu-viewcache.inc.xhtml
-@@ -421,6 +421,10 @@
-                      class="subviewbutton"
-                      data-l10n-id="appmenu-customizetoolbar"
-                      command="cmd_CustomizeToolbars"/>
-+      <toolbarbutton id="appmenu-zen-share-rice"
-+        class="subviewbutton"
-+        data-l10n-id="appmenu-zen-share-rice"
-+        oncommand="gZenThemePicker.shareTheme()" />
-       <toolbarseparator/>
-       <html:h2 id="appmenu-developer-tools"
-           data-l10n-id="appmenu-developer-tools-subheader"

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

@@ -1,8 +1,35 @@
 diff --git a/browser/base/content/browser-addons.js b/browser/base/content/browser-addons.js
-index 992d07daaef1abc4554a43aa654888f66963c575..73e620b70b7ed14e9d140e875c2cd5f5ac31456b 100644
+index 73593191936cc345ee8e2c28cb251dc13f4c2fd4..e6c459c1ebc60a1f3930a55e212570f696bf07a0 100644
 --- a/browser/base/content/browser-addons.js
 +++ b/browser/base/content/browser-addons.js
-@@ -2105,18 +2105,20 @@ var gUnifiedExtensions = {
+@@ -735,7 +735,7 @@ var gXPInstallObserver = {
+       persistent: true,
+       hideClose: true,
+       popupOptions: {
+-        position: "bottomright topright",
++        position: gZenUIManager.panelUIPosition,
+       },
+     };
+ 
+@@ -942,7 +942,7 @@ var gXPInstallObserver = {
+       hideClose: true,
+       timeout: Date.now() + 30000,
+       popupOptions: {
+-        position: "bottomright topright",
++        position: gZenUIManager.panelUIPosition,
+       },
+     };
+ 
+@@ -2125,7 +2125,7 @@ var gUnifiedExtensions = {
+ 
+         panel.hidden = false;
+         PanelMultiView.openPopup(panel, this._button, {
+-          position: "bottomright topright",
++          position: gZenUIManager.panelUIPosition,
+           triggerEvent: aEvent,
+         });
+       }
+@@ -2294,18 +2294,20 @@ var gUnifiedExtensions = {
        this._maybeMoveWidgetNodeBack(widgetId);
      }
  

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

@@ -1,13 +1,15 @@
 diff --git a/browser/base/content/browser-box.inc.xhtml b/browser/base/content/browser-box.inc.xhtml
-index 7d7e8697f02f90d4f336c9ab0a73a89848e0c21c..d113b439888d26629ce5f6b5d35f8fa12249774b 100644
+index 7d7e8697f02f90d4f336c9ab0a73a89848e0c21c..64e950106dd05b443ce72107613ac9cc405d56ea 100644
 --- a/browser/base/content/browser-box.inc.xhtml
 +++ b/browser/base/content/browser-box.inc.xhtml
-@@ -23,7 +23,13 @@
+@@ -23,7 +23,15 @@
      <browser id="sidebar" autoscroll="false" disablehistory="true" disablefullscreen="true" tooltip="aHTMLTooltip"/>
    </vbox>
    <splitter id="sidebar-splitter" class="chromeclass-extrachrome sidebar-splitter" resizebefore="sibling" resizeafter="none" hidden="true"/>
 +<vbox flex="1" id="zen-appcontent-wrapper">
-+  <html:div id="zen-appcontent-navbar-container"></html:div>
++  <html:div id="zen-appcontent-navbar-wrapper">
++    <html:div id="zen-appcontent-navbar-container"></html:div>
++  </html:div>
 +  <hbox id="zen-tabbox-wrapper" flex="1">
    <tabbox id="tabbrowser-tabbox" flex="1" tabcontainer="tabbrowser-tabs">
 +#include zen-tabbrowser-elements.inc.xhtml

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

@@ -15,7 +15,7 @@ index 3d5173315812589c0b79beec5f0419fc37cb8868..c4216db9e414fbbaead6ecd89b40366b
      TelemetryTimestamps.add("delayedStartupStarted");
  
      this._cancelDelayedStartup();
-+    ZenWorkspaces.afterLoadInit();
++    gZenWorkspaces.afterLoadInit();
  
      gBrowser.addEventListener(
        "PermissionStateChange",

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

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
-index ea79d296e7dd0f8fd812b0677a252af5cf7ad26e..bd95ef5d6b99399c859af1cf71d9d62477f4ac2b 100644
+index 6d664917a5a3bb1cea8a747e42e8bc0065ec999e..5059293ebfa29d646455b7a3505bd6eae408ba64 100644
 --- a/browser/base/content/browser.js
 +++ b/browser/base/content/browser.js
 @@ -33,6 +33,7 @@ ChromeUtils.defineESModuleGetters(this, {
@@ -10,33 +10,32 @@ index ea79d296e7dd0f8fd812b0677a252af5cf7ad26e..bd95ef5d6b99399c859af1cf71d9d624
    DevToolsSocketStatus:
      "resource://devtools/shared/security/DevToolsSocketStatus.sys.mjs",
    DownloadUtils: "resource://gre/modules/DownloadUtils.sys.mjs",
-@@ -2338,6 +2339,11 @@ var XULBrowserWindow = {
+@@ -2340,6 +2341,10 @@ var XULBrowserWindow = {
      AboutReaderParent.updateReaderButton(gBrowser.selectedBrowser);
      TranslationsParent.onLocationChange(gBrowser.selectedBrowser);
  
 +    gZenViewSplitter.onLocationChange(gBrowser.selectedBrowser);
-+    ZenWorkspaces.onLocationChange(gBrowser.selectedBrowser);
++    gZenWorkspaces.onLocationChange(gBrowser.selectedBrowser);
-+    gZenTabUnloader.onLocationChange(gBrowser.selectedBrowser);
 +    gZenPinnedTabManager.onLocationChange(gBrowser.selectedBrowser);
 +
      PictureInPicture.updateUrlbarToggle(gBrowser.selectedBrowser);
  
      if (!gMultiProcessBrowser) {
-@@ -4814,7 +4820,7 @@ function switchToTabHavingURI(
+@@ -4816,7 +4821,7 @@ function switchToTabHavingURI(
        ignoreQueryString || replaceQueryString,
        ignoreFragmentWhenComparing
      );
 -    let browsers = aWindow.gBrowser.browsers;
-+    let browsers = aWindow.ZenWorkspaces.allUsedBrowsers;
++    let browsers = aWindow.gZenWorkspaces.allUsedBrowsers;
      for (let i = 0; i < browsers.length; i++) {
        let browser = browsers[i];
        let browserCompare = cleanURL(
-@@ -4857,7 +4863,7 @@ function switchToTabHavingURI(
+@@ -4859,7 +4864,7 @@ function switchToTabHavingURI(
          }
  
          if (!doAdopt) {
 -          aWindow.gBrowser.tabContainer.selectedIndex = i;
-+          aWindow.ZenWorkspaces.switchIfNeeded(browser, i);
++          aWindow.gZenWorkspaces.switchIfNeeded(browser, i);
          }
  
          return true;

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

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/browser.xhtml b/browser/base/content/browser.xhtml
-index 51a25aaa5558e6e17246d54a7ed95d5ddf3ecdab..b49984c8711fc9f5f19f0cf6ecca07a8cca0d125 100644
+index 8f8c5536cb6e54300897180ca3f950974c60e930..79305485631f14712d8b2674f477b641ec53fcd6 100644
 --- a/browser/base/content/browser.xhtml
 +++ b/browser/base/content/browser.xhtml
 @@ -26,6 +26,7 @@
@@ -10,7 +10,7 @@ index 51a25aaa5558e6e17246d54a7ed95d5ddf3ecdab..b49984c8711fc9f5f19f0cf6ecca07a8
          persist="screenX screenY width height sizemode"
          data-l10n-sync="true">
  <head>
-@@ -104,8 +105,11 @@
+@@ -105,8 +106,11 @@
  
    <title data-l10n-id="browser-main-window-default-title"></title>
  
@@ -22,12 +22,11 @@ index 51a25aaa5558e6e17246d54a7ed95d5ddf3ecdab..b49984c8711fc9f5f19f0cf6ecca07a8
  </head>
  <html:body xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  # All sets except for popupsets (commands, keys, and stringbundles)
-@@ -127,9 +131,12 @@
+@@ -128,9 +132,11 @@
      </vbox>
    </html:template>
  
 +<hbox id="zen-main-app-wrapper" flex="1" persist="zen-compact-mode">
-+  <vbox id="zen-toast-container"></vbox>
  #include navigator-toolbox.inc.xhtml
  
  #include browser-box.inc.xhtml

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

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/navigator-toolbox.inc.xhtml b/browser/base/content/navigator-toolbox.inc.xhtml
-index 00c8976d3e258c0875d7da2f3ec823d8907a84c9..b5735712aaa7c2ae2baa4b858e735413b130ca94 100644
+index 00c8976d3e258c0875d7da2f3ec823d8907a84c9..cc61d5a845b5ce22a61f5a1aab8b280b2bcdf101 100644
 --- a/browser/base/content/navigator-toolbox.inc.xhtml
 +++ b/browser/base/content/navigator-toolbox.inc.xhtml
 @@ -2,7 +2,7 @@
@@ -22,27 +22,24 @@ index 00c8976d3e258c0875d7da2f3ec823d8907a84c9..b5735712aaa7c2ae2baa4b858e735413
    <toolbar id="TabsToolbar"
             class="browser-toolbar browser-titlebar"
             fullscreentoolbar="true"
-@@ -50,6 +50,10 @@
+@@ -50,6 +50,8 @@
                tooltip="tabbrowser-tab-tooltip"
                orient="horizontal"
                stopwatchid="tabClick">
-+<html:div id="zen-essentials-wrapper" skipintoolbarset="true"></html:div>
++<html:div id="zen-essentials" skipintoolbarset="true"></html:div>
-+<hbox id="zen-current-workspace-indicator-container"></hbox>
 +<html:div id="zen-tabs-wrapper">
-+<html:div id="zen-browser-tabs-container">
            <hbox class="tab-drop-indicator" hidden="true"/>
            <html:span id="tab-drag-empty-feedback" role="presentation"/>
  # If the name (tabbrowser-arrowscrollbox) or structure of this changes
-@@ -76,6 +80,8 @@
+@@ -76,6 +78,7 @@
                                tooltip="dynamic-shortcut-tooltip"
                                data-l10n-id="tabs-toolbar-new-tab"/>
            <html:span id="tabbrowser-tab-a11y-desc" hidden="true"/>
-+</html:div>
 +</html:div>
          </tabs>
  
          <toolbarbutton id="new-tab-button"
-@@ -101,9 +107,10 @@
+@@ -101,9 +104,10 @@
  #include private-browsing-indicator.inc.xhtml
      <toolbarbutton class="content-analysis-indicator toolbarbutton-1 content-analysis-indicator-icon"/>
  

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

@@ -29,19 +29,15 @@
 </linkset>
 
 # Scripts used all over the browser
-<script>
+<script src="chrome://browser/content/ZenUIManager.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/ZenUIManager.mjs", this);
+<script src="chrome://browser/content/zen-components/ZenFolders.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenFolders.mjs", this);
+<script src="chrome://browser/content/zen-components/ZenMods.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenThemesCommon.mjs", this);
+<script src="chrome://browser/content/zen-components/ZenCompactMode.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenThemesImporter.mjs", this);
+<script src="chrome://browser/content/zen-components/ZenPinnedTabsStorage.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenCompactMode.mjs", this);
+<script src="chrome://browser/content/zen-components/ZenWorkspacesStorage.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenTabUnloader.mjs", this);
+<script src="chrome://browser/content/zen-components/ZenPinnedTabManager.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenPinnedTabsStorage.mjs", this);
+<script src="chrome://browser/content/zen-components/ZenGradientGenerator.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenWorkspacesStorage.mjs", this);
+<script src="chrome://browser/content/zen-components/ZenViewSplitter.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenPinnedTabManager.mjs", this);
+<script src="chrome://browser/content/zen-components/ZenGlanceManager.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenGradientGenerator.mjs", this);
+<script src="chrome://browser/content/zen-components/ZenMediaController.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenViewSplitter.mjs", this);
+<script src="chrome://browser/content/zen-components/ZenDownloadAnimation.mjs"></script>
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenGlanceManager.mjs", this);
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenMediaController.mjs", this);
-Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenDownloadAnimation.mjs", this);
-</script>

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

@@ -9,6 +9,7 @@
         content/browser/ZenCustomizableUI.sys.mjs                               (../../zen/common/ZenCustomizableUI.sys.mjs)
         content/browser/zen-components/ZenUIMigration.mjs                       (../../zen/common/ZenUIMigration.mjs)
         content/browser/zen-components/ZenCommonUtils.mjs                       (../../zen/common/ZenCommonUtils.mjs)
+        content/browser/zen-components/ZenSessionStore.mjs                      (../../zen/common/ZenSessionStore.mjs)
 
         content/browser/zen-styles/zen-theme.css                                (../../zen/common/styles/zen-theme.css)
         content/browser/zen-styles/zen-buttons.css                              (../../zen/common/styles/zen-buttons.css)
@@ -34,21 +35,19 @@
         content/browser/zen-components/ZenViewSplitter.mjs                      (../../zen/split-view/ZenViewSplitter.mjs)
         content/browser/zen-styles/zen-decks.css                                (../../zen/split-view/zen-decks.css)
 
-        content/browser/zen-components/ZenThemesCommon.mjs                      (../../zen/mods/ZenThemesCommon.mjs)
+        content/browser/zen-components/ZenMods.mjs                      (../../zen/mods/ZenMods.mjs)
-        content/browser/zen-components/ZenThemesImporter.mjs                    (../../zen/mods/ZenThemesImporter.mjs)
-        content/browser/zen-components/actors/ZenThemeMarketplaceParent.sys.mjs (../../zen/mods/actors/ZenThemeMarketplaceParent.sys.mjs)
-        content/browser/zen-components/actors/ZenThemeMarketplaceChild.sys.mjs  (../../zen/mods/actors/ZenThemeMarketplaceChild.sys.mjs)
 
+        content/browser/zen-components/ZenWorkspaceIcons.mjs                    (../../zen/workspaces/ZenWorkspaceIcons.mjs)
+        content/browser/zen-components/ZenWorkspace.mjs                         (../../zen/workspaces/ZenWorkspace.mjs)
         content/browser/zen-components/ZenWorkspaces.mjs                        (../../zen/workspaces/ZenWorkspaces.mjs)
         content/browser/zen-components/ZenWorkspacesStorage.mjs                 (../../zen/workspaces/ZenWorkspacesStorage.mjs)
         content/browser/zen-components/ZenWorkspacesSync.mjs                    (../../zen/workspaces/ZenWorkspacesSync.mjs)
         content/browser/zen-components/ZenGradientGenerator.mjs                 (../../zen/workspaces/ZenGradientGenerator.mjs)
-        content/browser/zen-styles/zen-workspaces.css                           (../../zen/workspaces/zen-workspaces.css)
+*       content/browser/zen-styles/zen-workspaces.css                           (../../zen/workspaces/zen-workspaces.css)
         content/browser/zen-styles/zen-gradient-generator.css                   (../../zen/workspaces/zen-gradient-generator.css)
 
         content/browser/zen-components/ZenKeyboardShortcuts.mjs                 (../../zen/kbs/ZenKeyboardShortcuts.mjs)
 
-        content/browser/zen-components/ZenTabUnloader.mjs                       (../../zen/tabs/ZenTabUnloader.mjs)
         content/browser/zen-components/ZenPinnedTabsStorage.mjs                 (../../zen/tabs/ZenPinnedTabsStorage.mjs)
         content/browser/zen-components/ZenPinnedTabManager.mjs                  (../../zen/tabs/ZenPinnedTabManager.mjs)
 *       content/browser/zen-styles/zen-tabs.css                                 (../../zen/tabs/zen-tabs.css)
@@ -56,8 +55,6 @@
 
         content/browser/zen-components/ZenGlanceManager.mjs                     (../../zen/glance/ZenGlanceManager.mjs)
         content/browser/zen-styles/zen-glance.css                               (../../zen/glance/zen-glance.css)
-        content/browser/zen-components/actors/ZenGlanceChild.sys.mjs            (../../zen/glance/actors/ZenGlanceChild.sys.mjs)
-        content/browser/zen-components/actors/ZenGlanceParent.sys.mjs           (../../zen/glance/actors/ZenGlanceParent.sys.mjs)
 
         content/browser/zen-components/ZenFolders.mjs                           (../../zen/folders/ZenFolders.mjs)
         content/browser/zen-styles/zen-folders.css                              (../../zen/folders/zen-folders.css)

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

@@ -43,10 +43,6 @@
 
   <command id="cmd_zenCopyCurrentURL" />
   <command id="cmd_zenCopyCurrentURLMarkdown" />
-
-  <command id="cmd_zenUnloadTab" />
-  <command id="cmd_zenPreventUnloadTab" />
-  <command id="cmd_zenIgnoreUnloadTab" />
 </commandset>
 
 <keyset id="zenKeyset"></keyset>

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

@@ -1,11 +1,13 @@
 # This needs to be here, before all the other scripts, because it's used before
 # the window is fully loaded.
 # Make sure they are loaded before the global-scripts.inc file.
-<script type="text/javascript">
+<script type="text/javascript" src="chrome://browser/content/zen-sets.js"></script>                                  
-  Services.scriptloader.loadSubScript("chrome://browser/content/zen-sets.js", this);
+<script type="text/javascript" src="chrome://browser/content/zen-components/ZenCommonUtils.mjs"></script>
-  Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenCommonUtils.mjs", this);
+<script type="text/javascript" src="chrome://browser/content/zen-components/ZenKeyboardShortcuts.mjs"></script>
-  Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenKeyboardShortcuts.mjs", this);
+<script type="text/javascript" src="chrome://browser/content/zen-components/ZenWorkspaceIcons.mjs"></script>
-  Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenWorkspaces.mjs", this);
+<script type="text/javascript" src="chrome://browser/content/zen-components/ZenWorkspace.mjs"></script>
-  Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenWorkspacesSync.mjs", this);
+<script type="text/javascript" src="chrome://browser/content/zen-components/ZenWorkspaces.mjs"></script>
-  Services.scriptloader.loadSubScript("chrome://browser/content/zen-components/ZenActorsManager.mjs", this);
+<script type="text/javascript" src="chrome://browser/content/zen-components/ZenWorkspacesSync.mjs"></script>
-</script>
+<script type="text/javascript" src="chrome://browser/content/zen-components/ZenActorsManager.mjs"></script>
+<script type="text/javascript" src="chrome://browser/content/zen-components/ZenSessionStore.mjs"></script>
+

src/browser/base/content/zen-sidebar-icons.inc.xhtml

@@ -2,12 +2,12 @@
 <toolbar brighttext="true"
   id="zen-sidebar-bottom-buttons"
   fullscreentoolbar="true"
-  class="browser-toolbar customization-target zen-dont-hide-on-fullscreen"
+  class="browser-toolbar customization-target"
   data-l10n-id="tabs-toolbar"
   customizable="true"
   skipintoolbarset="true"
   context="toolbar-context-menu"
   mode="icons">
-  <toolbarbutton removable="true" class="chromeclass-toolbar-additional toolbarbutton-1 zen-sidebar-action-button" id="zen-expand-sidebar-button" command="cmd_zenToggleSidebar" data-l10n-id="sidebar-zen-expand" cui-areatype="toolbar"></toolbarbutton>
+  <toolbarbutton removable="true" class="chromeclass-toolbar-additional toolbarbutton-1 zen-sidebar-action-button" id="zen-expand-sidebar-button" command="cmd_zenToggleSidebar" data-l10n-id="sidebar-zen-expand"></toolbarbutton>
-  <toolbarbutton id="zen-workspaces-button" class="chromeclass-toolbar-additional" overflows="false" removable="false"></toolbarbutton>
+  <zen-workspace-icons id="zen-workspaces-button" overflows="false" removable="false"></zen-workspace-icons>
 </toolbar>

src/browser/base/content/zen-tabbrowser-elements.inc.xhtml

@@ -1,2 +1,4 @@
+<vbox id="zen-toast-container"></vbox>
+
 #include ../../../zen/split-view/zen-splitview-overlay.inc.xhtml
 #include ../../../zen/glance/zen-glance.inc.xhtml

src/browser/base/moz-build.patch

@@ -1,9 +1,9 @@
 diff --git a/browser/base/moz.build b/browser/base/moz.build
-index 636e0841786735a63ddea00e819c0b6f0b8a5d4d..62e4531bd19caf098fd76c69b213fa32d62546a6 100644
+index 9da444880c4dbf188443d43e8d0a71d98311a2b7..3a654be6f78931e92479b30de6f0a6e50da81908 100644
 --- a/browser/base/moz.build
 +++ b/browser/base/moz.build
-@@ -87,3 +87,5 @@ if CONFIG["MOZ_WIDGET_TOOLKIT"] in ("windows", "gtk"):
+@@ -81,3 +81,5 @@ DEFINES["MOZ_APP_VERSION_DISPLAY"] = CONFIG["MOZ_APP_VERSION_DISPLAY"]
-     DEFINES["MENUBAR_CAN_AUTOHIDE"] = 1
+ DEFINES["APP_LICENSE_BLOCK"] = "%s/content/overrides/app-license.html" % SRCDIR
  
  JAR_MANIFESTS += ["jar.mn"]
 +

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

@@ -1,8 +1,8 @@
 diff --git a/browser/components/BrowserContentHandler.sys.mjs b/browser/components/BrowserContentHandler.sys.mjs
-index 5911b276fdc9889d3cb61bac3d302ec5239e4a90..a405f8a0204e98fa9de08f1cd7b6761f0fc6198e 100644
+index e72feb538c0dc182211945a66e51bcea73d3d4a0..b4d9115873b7af414043c53fb817b611b78ec58f 100644
 --- a/browser/components/BrowserContentHandler.sys.mjs
 +++ b/browser/components/BrowserContentHandler.sys.mjs
-@@ -1270,6 +1270,7 @@ function maybeRecordToHandleTelemetry(uri, isLaunch) {
+@@ -1281,6 +1281,7 @@ function maybeRecordToHandleTelemetry(uri, isLaunch) {
        ".avif",
        ".htm",
        ".html",

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

@@ -1,5 +1,5 @@
 diff --git a/browser/components/BrowserGlue.sys.mjs b/browser/components/BrowserGlue.sys.mjs
-index a6a7f9165aece774c3f1c15f7e352b11a4bf90f4..a4b6124b85f099c6f12d297fc26f2040370c337c 100644
+index cebca6d017a0c3fc8eff7a38f987726324789e69..73a24df91bec368f2f27c538b37d57595e18c599 100644
 --- a/browser/components/BrowserGlue.sys.mjs
 +++ b/browser/components/BrowserGlue.sys.mjs
 @@ -8,6 +8,7 @@ import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
@@ -10,7 +10,7 @@ index a6a7f9165aece774c3f1c15f7e352b11a4bf90f4..a4b6124b85f099c6f12d297fc26f2040
    AboutHomeStartupCache: "resource:///modules/AboutHomeStartupCache.sys.mjs",
    AboutNewTab: "resource:///modules/AboutNewTab.sys.mjs",
    AWToolbarButton: "resource:///modules/aboutwelcome/AWToolbarUtils.sys.mjs",
-@@ -1886,6 +1887,7 @@ BrowserGlue.prototype = {
+@@ -881,6 +882,7 @@ BrowserGlue.prototype = {
  
      lazy.ProcessHangMonitor.init();
  

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

@@ -1,5 +1,5 @@
 diff --git a/browser/components/customizableui/CustomizableUI.sys.mjs b/browser/components/customizableui/CustomizableUI.sys.mjs
-index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee888a3f78 100644
+index 5bb6be19f7f855b129aac921af1ed5cfc63d732b..41230a61f3088a234903dcc10abd361efac34729 100644
 --- a/browser/components/customizableui/CustomizableUI.sys.mjs
 +++ b/browser/components/customizableui/CustomizableUI.sys.mjs
 @@ -13,6 +13,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
@@ -32,15 +32,16 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
      this.registerArea(
        CustomizableUI.AREA_NAVBAR,
        {
-@@ -352,7 +347,6 @@ var CustomizableUIInternal = {
+@@ -352,8 +347,6 @@ var CustomizableUIInternal = {
          overflowable: true,
          defaultPlacements: navbarPlacements,
          verticalTabsDefaultPlacements: [
 -          "firefox-view-button",
-           "alltabs-button",
+-          "alltabs-button",
          ],
          defaultCollapsed: false,
-@@ -377,10 +371,7 @@ var CustomizableUIInternal = {
+       },
+@@ -377,10 +370,7 @@ var CustomizableUIInternal = {
        {
          type: CustomizableUI.TYPE_TOOLBAR,
          defaultPlacements: [
@@ -51,7 +52,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
          ],
          verticalTabsDefaultPlacements: [],
          defaultCollapsed: null,
-@@ -462,6 +453,7 @@ var CustomizableUIInternal = {
+@@ -462,6 +452,7 @@ var CustomizableUIInternal = {
        CustomizableUI.AREA_NAVBAR,
        CustomizableUI.AREA_BOOKMARKS,
        CustomizableUI.AREA_TABSTRIP,
@@ -59,7 +60,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
      ]);
      if (AppConstants.platform != "macosx") {
        toolbars.add(CustomizableUI.AREA_MENUBAR);
-@@ -1262,6 +1254,9 @@ var CustomizableUIInternal = {
+@@ -1262,6 +1253,9 @@ var CustomizableUIInternal = {
          placements = gPlacements.get(area);
        }
  
@@ -69,7 +70,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
        // For toolbars that need it, mark as dirty.
        let defaultPlacements = areaProperties.get("defaultPlacements");
        if (
-@@ -1769,7 +1764,7 @@ var CustomizableUIInternal = {
+@@ -1769,7 +1763,7 @@ var CustomizableUIInternal = {
          lazy.log.info(
            "Widget " + aWidgetId + " not found, unable to remove from " + aArea
          );
@@ -78,7 +79,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
        }
  
        this.notifyDOMChange(widgetNode, null, container, true, () => {
-@@ -1779,7 +1774,7 @@ var CustomizableUIInternal = {
+@@ -1779,7 +1773,7 @@ var CustomizableUIInternal = {
          // We also need to remove the panel context menu if it's there:
          this.ensureButtonContextMenu(widgetNode);
          if (gPalette.has(aWidgetId) || this.isSpecialWidget(aWidgetId)) {
@@ -87,7 +88,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
          } else {
            window.gNavToolbox.palette.appendChild(widgetNode);
          }
-@@ -1947,16 +1942,16 @@ var CustomizableUIInternal = {
+@@ -1947,16 +1941,16 @@ var CustomizableUIInternal = {
          elem.setAttribute("skipintoolbarset", "true");
        }
      }
@@ -107,7 +108,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
      // Handle initial state of vertical tabs.
      if (isVerticalTabs) {
        // Show the vertical tabs toolbar
-@@ -2198,6 +2193,10 @@ var CustomizableUIInternal = {
+@@ -2198,6 +2192,10 @@ var CustomizableUIInternal = {
     *   The identifier string of the area that aNode is being inserted into.
     */
    insertWidgetBefore(aNode, aNextNode, aContainer, aAreaId) {
@@ -118,7 +119,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
      this.notifyDOMChange(aNode, aNextNode, aContainer, false, () => {
        this.setLocationAttributes(aNode, aAreaId);
        aContainer.insertBefore(aNode, aNextNode);
-@@ -3321,7 +3320,6 @@ var CustomizableUIInternal = {
+@@ -3321,7 +3319,6 @@ var CustomizableUIInternal = {
      if (!this.isWidgetRemovable(aWidgetId)) {
        return;
      }
@@ -126,7 +127,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
      let placements = gPlacements.get(oldPlacement.area);
      let position = placements.indexOf(aWidgetId);
      if (position != -1) {
-@@ -4556,7 +4554,7 @@ var CustomizableUIInternal = {
+@@ -4556,7 +4553,7 @@ var CustomizableUIInternal = {
     * For all registered areas, builds those areas to reflect the current
     * placement state of all widgets.
     */
@@ -135,7 +136,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
      for (let [areaId, areaNodes] of gBuildAreas) {
        let placements = gPlacements.get(areaId);
        let isFirstChangedToolbar = true;
-@@ -4567,7 +4565,7 @@ var CustomizableUIInternal = {
+@@ -4567,7 +4564,7 @@ var CustomizableUIInternal = {
          if (area.get("type") == CustomizableUI.TYPE_TOOLBAR) {
            let defaultCollapsed = area.get("defaultCollapsed");
            let win = areaNode.ownerGlobal;
@@ -144,7 +145,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
              win.setToolbarVisibility(
                areaNode,
                typeof defaultCollapsed == "string"
-@@ -5858,6 +5856,7 @@ export var CustomizableUI = {
+@@ -5858,6 +5855,7 @@ export var CustomizableUI = {
    unregisterArea(aName, aDestroyPlacements) {
      CustomizableUIInternal.unregisterArea(aName, aDestroyPlacements);
    },
@@ -152,7 +153,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
    /**
     * Add a widget to an area.
     * If the area to which you try to add is not known to CustomizableUI,
-@@ -7905,11 +7904,11 @@ class OverflowableToolbar {
+@@ -7905,11 +7903,11 @@ class OverflowableToolbar {
          parseFloat(style.paddingLeft) -
          parseFloat(style.paddingRight) -
          toolbarChildrenWidth;
@@ -166,7 +167,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
      });
  
      lazy.log.debug(
-@@ -7919,7 +7918,8 @@ class OverflowableToolbar {
+@@ -7919,7 +7917,8 @@ class OverflowableToolbar {
      // If the target has min-width: 0, their children might actually overflow
      // it, so check for both cases explicitly.
      let targetContentWidth = Math.max(targetWidth, targetChildrenWidth);
@@ -176,7 +177,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
      return { isOverflowing, targetContentWidth, totalAvailWidth };
    }
  
-@@ -8013,7 +8013,7 @@ class OverflowableToolbar {
+@@ -8013,7 +8012,7 @@ class OverflowableToolbar {
          }
        }
        if (!inserted) {
@@ -185,7 +186,7 @@ index 91088fab1759b9af908912648d28daa5938a29c9..52d348342c110dfae47a0d83b30b75ee
        }
        child.removeAttribute("cui-anchorid");
        child.removeAttribute("overflowedItem");
-@@ -8358,7 +8358,7 @@ class OverflowableToolbar {
+@@ -8358,7 +8357,7 @@ class OverflowableToolbar {
          break;
        }
        case "mousedown": {

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

@@ -1,5 +1,5 @@
 diff --git a/browser/components/customizableui/CustomizeMode.sys.mjs b/browser/components/customizableui/CustomizeMode.sys.mjs
-index 619bb2af5a3a0995fc93fa040696dd2854848ab5..bbc6bad906e9ccaf668ca99f4a0411f564ef1e56 100644
+index 619bb2af5a3a0995fc93fa040696dd2854848ab5..14ad5f6122971a0a0dc20d22acdc073f84965dad 100644
 --- a/browser/components/customizableui/CustomizeMode.sys.mjs
 +++ b/browser/components/customizableui/CustomizeMode.sys.mjs
 @@ -500,7 +500,7 @@ export class CustomizeMode {
@@ -20,7 +20,15 @@ index 619bb2af5a3a0995fc93fa040696dd2854848ab5..bbc6bad906e9ccaf668ca99f4a0411f5
      customizer.hidden = true;
      browser.hidden = false;
  
-@@ -3125,6 +3125,20 @@ export class CustomizeMode {
+@@ -1173,6 +1173,7 @@ export class CustomizeMode {
+     return (
+       aNode.localName == "toolbarbutton" ||
+       aNode.localName == "toolbaritem" ||
++      aNode.localName == "zen-workspace-icons" ||
+       aNode.localName == "toolbarseparator" ||
+       aNode.localName == "toolbarspring" ||
+       aNode.localName == "toolbarspacer"
+@@ -3125,6 +3126,20 @@ export class CustomizeMode {
          if (makeSpaceImmediately) {
            aDraggedOverItem.setAttribute("notransition", "true");
          }

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

@@ -1,8 +1,8 @@
 diff --git a/browser/components/customizableui/content/panelUI.js b/browser/components/customizableui/content/panelUI.js
-index ec52437dba30633a374299a46c856e1df05dec0e..48617e32d56c3b3f525557ddeac6297555c48c04 100644
+index 689205034d9df67ff1fe0ebbf4a3481a5f414391..2626b7286deb51f66b6ccbbc32d510139cacb109 100644
 --- a/browser/components/customizableui/content/panelUI.js
 +++ b/browser/components/customizableui/content/panelUI.js
-@@ -515,8 +515,7 @@ const PanelUI = {
+@@ -516,8 +516,7 @@ const PanelUI = {
          tempPanel.setAttribute("animate", "false");
        }
        tempPanel.setAttribute("context", "");
@@ -12,7 +12,7 @@ index ec52437dba30633a374299a46c856e1df05dec0e..48617e32d56c3b3f525557ddeac62975
          .appendChild(tempPanel);
  
        let multiView = document.createXULElement("panelmultiview");
-@@ -957,7 +956,7 @@ const PanelUI = {
+@@ -959,7 +958,7 @@ const PanelUI = {
          el.removeAttribute("data-lazy-l10n-id");
        });
  

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

@@ -1,8 +1,8 @@
 diff --git a/browser/components/extensions/parent/ext-tabs.js b/browser/components/extensions/parent/ext-tabs.js
-index b47f0510e32d788dfe7c3109474c4512c9900d4a..49697125a2998bbd50d87c54e2c5974baaf9a7e2 100644
+index 517ea0079c12941a844a4f9e4ba694c6411887ee..510ab14dfa2178c332c9862d6a01b75bd12dfe3b 100644
 --- a/browser/components/extensions/parent/ext-tabs.js
 +++ b/browser/components/extensions/parent/ext-tabs.js
-@@ -468,6 +468,7 @@ this.tabs = class extends ExtensionAPIPersistent {
+@@ -482,6 +482,7 @@ this.tabs = class extends ExtensionAPIPersistent {
          }
  
          let tab = tabManager.getWrapper(event.originalTarget);
@@ -10,3 +10,11 @@ index b47f0510e32d788dfe7c3109474c4512c9900d4a..49697125a2998bbd50d87c54e2c5974b
  
          let changeInfo = {};
          for (let prop of needed) {
+@@ -836,6 +837,7 @@ this.tabs = class extends ExtensionAPIPersistent {
+               });
+             }
+ 
++            window.gZenCompactModeManager._nextTimeWillBeActive = active;
+             let nativeTab = window.gBrowser.addTab(url, options);
+ 
+             if (active) {

src/browser/components/places/PlacesUIUtils-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/places/PlacesUIUtils.sys.mjs b/browser/components/places/PlacesUIUtils.sys.mjs
-index 1f5e163bae58f3f1cac750ca32846cc8a80bd2ca..16034842b4ca5295aa3c9237db55035ecc4016d2 100644
+index c7c5c28e1ea6d05094ed9fe751c6b50ab9645370..72f1038aa37b0951a1e78331ee317f714e5b6e8b 100644
 --- a/browser/components/places/PlacesUIUtils.sys.mjs
 +++ b/browser/components/places/PlacesUIUtils.sys.mjs
 @@ -59,6 +59,7 @@ class BookmarkState {
@@ -157,20 +157,12 @@ index 1f5e163bae58f3f1cac750ca32846cc8a80bd2ca..16034842b4ca5295aa3c9237db55035e
    /**
     * Append transactions to update tags by given information.
     *
-@@ -903,8 +1012,15 @@ export var PlacesUIUtils = {
+@@ -903,7 +1012,7 @@ export var PlacesUIUtils = {
      aNode,
      aWhere,
      aWindow,
 -    { aPrivate = false, userContextId = 0 } = {}
 +    { aPrivate = false, userContextId = undefined } = {}
    ) {
-+    if (typeof userContextId == "undefined") {
-+      try {
-+        let browserWindow = getBrowserWindow(aWindow);
-+        userContextId = browserWindow.ZenWorkspaces.getDefaultContainer();
-+      } catch {}
-+    }
-+
      if (
        aNode &&
-       lazy.PlacesUtils.nodeIsURI(aNode) &&

src/browser/components/places/content/browserPlacesViews-js.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/places/content/browserPlacesViews.js b/browser/components/places/content/browserPlacesViews.js
-index ad138a38340e8e8510d395f46c30ec4121d731bb..9294f05633acbe560df003333b7ef7d9a12a2a11 100644
+index ad138a38340e8e8510d395f46c30ec4121d731bb..52beaa66395e2b240a7122936cd4d2452b386724 100644
 --- a/browser/components/places/content/browserPlacesViews.js
 +++ b/browser/components/places/content/browserPlacesViews.js
 @@ -330,12 +330,23 @@ class PlacesViewBase {
@@ -13,7 +13,7 @@ index ad138a38340e8e8510d395f46c30ec4121d731bb..9294f05633acbe560df003333b7ef7d9
 +      let child = resultNode.getChild(i);
 +      // Skip nodes that don't belong in current workspace
 +      if (PlacesUtils.nodeIsURI(child) || PlacesUtils.containerTypes.includes(child.type)) {
-+        if (typeof ZenWorkspaces !== 'undefined' && ZenWorkspaces.isBookmarkInAnotherWorkspace(child)) {
++        if (typeof gZenWorkspaces !== 'undefined' && gZenWorkspaces.isBookmarkInAnotherWorkspace(child)) {
 +          continue;
 +        }
 +      }
@@ -52,7 +52,7 @@ index ad138a38340e8e8510d395f46c30ec4121d731bb..9294f05633acbe560df003333b7ef7d9
 +    for (let i = 0; i < cc; i++) {
 +      let child = this._resultNode.getChild(i);
 +      if (PlacesUtils.nodeIsURI(child) || PlacesUtils.containerTypes.includes(child.type)) {
-+        if (!(typeof ZenWorkspaces !== 'undefined' && ZenWorkspaces.isBookmarkInAnotherWorkspace(child))) {
++        if (!(typeof gZenWorkspaces !== 'undefined' && gZenWorkspaces.isBookmarkInAnotherWorkspace(child))) {
 +          visibleNodes.push(child);
 +        }
 +      } else {

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

@@ -1,5 +1,5 @@
 diff --git a/browser/components/preferences/main.js b/browser/components/preferences/main.js
-index aa339be9ba94ed776fa25f2d72f9e6b25dc86cd3..4c6c725942b3d6f2a42938d444ac7645526623cc 100644
+index 2116a8a3b5746b79280f2d73b5e29b01c7a15993..448269adeab747fd2da419509e6923eefbb87d8a 100644
 --- a/browser/components/preferences/main.js
 +++ b/browser/components/preferences/main.js
 @@ -389,7 +389,7 @@ function getBundleForLocales(newLocales) {

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

@@ -1,8 +1,8 @@
 diff --git a/browser/components/preferences/preferences.js b/browser/components/preferences/preferences.js
-index e4746e3408e68273126e6d2baf5afcf80721674b..e478aaf6bfefa6acd9062aeb3e4709ca0d5d779c 100644
+index 6a575e3148de0c73f7ab7ff9afbd3ff179bce313..b7c2f2818358b7b6b6fc62b298dc67a66ebd9e3b 100644
 --- a/browser/components/preferences/preferences.js
 +++ b/browser/components/preferences/preferences.js
-@@ -118,6 +118,7 @@ ChromeUtils.defineLazyGetter(this, "gSubDialog", function () {
+@@ -117,6 +117,7 @@ ChromeUtils.defineLazyGetter(this, "gSubDialog", function () {
        styleSheets: [
          "chrome://browser/skin/preferences/dialog.css",
          "chrome://browser/skin/preferences/preferences.css",
@@ -10,7 +10,7 @@ index e4746e3408e68273126e6d2baf5afcf80721674b..e478aaf6bfefa6acd9062aeb3e4709ca
        ],
        resizeCallback: async ({ title, frame }) => {
          // Search within main document and highlight matched keyword.
-@@ -197,6 +198,10 @@ function init_all() {
+@@ -196,6 +197,10 @@ function init_all() {
    register_module("paneSearch", gSearchPane);
    register_module("panePrivacy", gPrivacyPane);
    register_module("paneContainers", gContainersPane);

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

@@ -1,5 +1,5 @@
 diff --git a/browser/components/preferences/preferences.xhtml b/browser/components/preferences/preferences.xhtml
-index 43be2b6ac84827bd13723e0211a3ade401934591..513584d7e720451efdb87350ac07d8b2590c1705 100644
+index b3b128cb5eb8c005c642965a8c8e5e68bf756e77..6e128d45c983b267e349b08097c56380dd04be3d 100644
 --- a/browser/components/preferences/preferences.xhtml
 +++ b/browser/components/preferences/preferences.xhtml
 @@ -44,6 +44,8 @@
@@ -11,7 +11,7 @@ index 43be2b6ac84827bd13723e0211a3ade401934591..513584d7e720451efdb87350ac07d8b2
    <link rel="localization" href="branding/brand.ftl"/>
    <link rel="localization" href="browser/browser.ftl"/>
      <!-- Used by fontbuilder.js -->
-@@ -105,6 +107,11 @@
+@@ -104,6 +106,11 @@
    <hbox flex="1">
  
      <vbox class="navigation">
@@ -23,7 +23,7 @@ index 43be2b6ac84827bd13723e0211a3ade401934591..513584d7e720451efdb87350ac07d8b2
        <!-- category list -->
        <richlistbox id="categories" data-l10n-id="category-list" data-l10n-attrs="aria-label">
          <richlistitem id="category-general"
-@@ -117,6 +124,50 @@
+@@ -116,6 +123,50 @@
            <label class="category-name" flex="1" data-l10n-id="pane-general-title"></label>
          </richlistitem>
  
@@ -74,7 +74,7 @@ index 43be2b6ac84827bd13723e0211a3ade401934591..513584d7e720451efdb87350ac07d8b2
          <richlistitem id="category-home"
                        class="category"
                        value="paneHome"
-@@ -228,11 +279,6 @@
+@@ -227,11 +278,6 @@
                  <html:a href="about:policies" target="_blank" data-l10n-id="managed-notice"/>
                </hbox>
              </hbox>
@@ -86,7 +86,7 @@ index 43be2b6ac84827bd13723e0211a3ade401934591..513584d7e720451efdb87350ac07d8b2
            </hbox>
          </hbox>
          <vbox id="mainPrefPane">
-@@ -246,6 +292,10 @@
+@@ -245,6 +291,10 @@
  #include sync.inc.xhtml
  #include experimental.inc.xhtml
  #include moreFromMozilla.inc.xhtml

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

@@ -14,30 +14,37 @@ var gZenMarketplaceManager = {
       return;
     }
 
+    if (!window.gZenMods) {
+      window.gZenMods = ZenMultiWindowFeature.currentBrowser.gZenMods;
+    }
+
     header.appendChild(this._initDisableAll());
 
     this._initImportExport();
 
     this.__hasInitializedEvents = true;
 
-    await this._buildThemesList();
+    await this._buildModsList();
 
-    Services.prefs.addObserver(this.updatePref, this);
+    Services.prefs.addObserver(gZenMods.updatePref, this);
 
     const checkForUpdateClick = (event) => {
       if (event.target === checkForUpdates) {
         event.preventDefault();
+
         this._checkForThemeUpdates(event);
       }
     };
 
     checkForUpdates.addEventListener('click', checkForUpdateClick);
 
-    document.addEventListener('ZenThemeMarketplace:CheckForUpdatesFinished', (event) => {
+    document.addEventListener('ZenModsMarketplace:CheckForUpdatesFinished', (event) => {
       checkForUpdates.disabled = false;
+
       const updates = event.detail.updates;
       const success = document.getElementById('zenThemeMarketplaceUpdatesSuccess');
       const error = document.getElementById('zenThemeMarketplaceUpdatesFailure');
+
       if (updates) {
         success.hidden = false;
         error.hidden = true;
@@ -48,13 +55,16 @@ var gZenMarketplaceManager = {
     });
 
     window.addEventListener('unload', () => {
-      Services.prefs.removeObserver(this.updatePref, this);
+      Services.prefs.removeObserver(gZenMods.updatePref, this);
       this.__hasInitializedEvents = false;
-      document.removeEventListener('ZenThemeMarketplace:CheckForUpdatesFinished', this);
+
-      document.removeEventListener('ZenCheckForThemeUpdates', this);
+      document.removeEventListener('ZenModsMarketplace:CheckForUpdatesFinished', this);
+      document.removeEventListener('ZenCheckForModUpdates', this);
+
       checkForUpdates.removeEventListener('click', checkForUpdateClick);
-      this.themesList.innerHTML = '';
+
-      this._doNotRebuildThemesList = false;
+      this.modsList.innerHTML = '';
+      this._doNotRebuildModsList = false;
     });
   },
 
@@ -63,121 +73,98 @@ var gZenMarketplaceManager = {
     const exportButton = document.getElementById('zenThemeMarketplaceExport');
 
     if (importButton) {
-      importButton.addEventListener('click', async () => {
+      importButton.addEventListener('click', this._importThemes.bind(this));
-        await this._importThemes();
-      });
     }
 
     if (exportButton) {
-      exportButton.addEventListener('click', async () => {
+      exportButton.addEventListener('click', this._exportThemes.bind(this));
-        await this._exportThemes();
-      });
     }
   },
 
   _initDisableAll() {
-    const areThemesDisabled = Services.prefs.getBoolPref('zen.themes.disable-all', false);
+    const areModsDisabled = Services.prefs.getBoolPref('zen.themes.disable-all', false);
-    const browser = ZenThemesCommon.currentBrowser;
+    const browser = ZenMultiWindowFeature.currentBrowser;
     const mozToggle = document.createElement('moz-toggle');
 
-    mozToggle.className = 'zenThemeMarketplaceItemPreferenceToggle zenThemeMarketplaceDisableAllToggle';
+    mozToggle.className =
-    mozToggle.pressed = !areThemesDisabled;
+      'zenThemeMarketplaceItemPreferenceToggle zenThemeMarketplaceDisableAllToggle';
+    mozToggle.pressed = !areModsDisabled;
 
-    browser.document.l10n.setAttributes(mozToggle, `zen-theme-disable-all-${!areThemesDisabled ? 'enabled' : 'disabled'}`);
+    browser.document.l10n.setAttributes(
+      mozToggle,
+      `zen-theme-disable-all-${!areModsDisabled ? 'enabled' : 'disabled'}`
+    );
 
     mozToggle.addEventListener('toggle', async (event) => {
       const { pressed = false } = event.target || {};
 
-      this.themesList.style.display = pressed ? '' : 'none';
+      this.modsList.style.display = pressed ? '' : 'none';
       Services.prefs.setBoolPref('zen.themes.disable-all', !pressed);
-      browser.document.l10n.setAttributes(mozToggle, `zen-theme-disable-all-${pressed ? 'enabled' : 'disabled'}`);
+      browser.document.l10n.setAttributes(
+        mozToggle,
+        `zen-theme-disable-all-${pressed ? 'enabled' : 'disabled'}`
+      );
     });
 
-    if (areThemesDisabled) {
+    if (areModsDisabled) {
-      this.themesList.style.display = 'none';
+      this.modsList.style.display = 'none';
     }
 
     return mozToggle;
   },
 
   async observe() {
-    ZenThemesCommon.resetThemesCache();
+    await this._buildModsList();
-    await this._buildThemesList();
   },
 
   _checkForThemeUpdates(event) {
     // Send a message to the child to check for theme updates.
     event.target.disabled = true;
     // send an event that will be listened by the child process.
-    document.dispatchEvent(new CustomEvent('ZenCheckForThemeUpdates'));
+    document.dispatchEvent(new CustomEvent('ZenCheckForModUpdates'));
   },
 
-  get updatePref() {
+  get modsList() {
-    return 'zen.themes.updated-value-observer';
+    if (!this._modsList) {
-  },
+      this._modsList = document.getElementById('zenThemeMarketplaceList');
-
-  triggerThemeUpdate() {
-    Services.prefs.setBoolPref(this.updatePref, !Services.prefs.getBoolPref(this.updatePref));
-  },
-
-  get themesList() {
-    if (!this._themesList) {
-      this._themesList = document.getElementById('zenThemeMarketplaceList');
     }
-    return this._themesList;
+    return this._modsList;
   },
 
-  async removeTheme(themeId) {
+  async removeMod(modId) {
-    const themePath = ZenThemesCommon.getThemeFolder(themeId);
+    await gZenMods.removeMod(modId);
 
-    console.info(`[ZenThemeMarketplaceParent:settings]: Removing theme ${themePath}`);
+    gZenMods.triggerModsUpdate();
-
-    await IOUtils.remove(themePath, { recursive: true, ignoreAbsent: true });
-
-    const themes = await ZenThemesCommon.getThemes();
-    delete themes[themeId];
-    await IOUtils.writeJSON(ZenThemesCommon.themesDataFile, themes);
-
-    this.triggerThemeUpdate();
   },
 
-  async disableTheme(themeId) {
+  async disableMod(modId) {
-    const themes = await ZenThemesCommon.getThemes();
+    await gZenMods.disableMod(modId);
-    const theme = themes[themeId];
 
-    console.log(`[ZenThemeMarketplaceParent:settings]: Disabling theme ${theme.name}`);
+    this._doNotRebuildModsList = true;
-
+    gZenMods.triggerModsUpdate();
-    theme.enabled = false;
-
-    await IOUtils.writeJSON(ZenThemesCommon.themesDataFile, themes);
-    this._doNotRebuildThemesList = true;
-    this.triggerThemeUpdate();
   },
 
-  async enableTheme(themeId) {
+  async enableMod(modId) {
-    const themes = await ZenThemesCommon.getThemes();
+    await gZenMods.enableMod(modId);
-    const theme = themes[themeId];
 
-    console.log(`[ZenThemeMarketplaceParent:settings]: Enabling theme ${theme.name}`);
+    this._doNotRebuildModsList = true;
-
+    gZenMods.triggerModsUpdate();
-    theme.enabled = true;
-
-    await IOUtils.writeJSON(ZenThemesCommon.themesDataFile, themes);
-    this._doNotRebuildThemesList = true;
-    this.triggerThemeUpdate();
   },
 
   _triggerBuildUpdateWithoutRebuild() {
-    this._doNotRebuildThemesList = true;
+    this._doNotRebuildModsList = true;
-    this.triggerThemeUpdate();
+    gZenMods.triggerModsUpdate();
   },
 
   async _importThemes() {
     const errorBox = document.getElementById('zenThemeMarketplaceImportFailure');
     const successBox = document.getElementById('zenThemeMarketplaceImportSuccess');
+
     successBox.hidden = true;
     errorBox.hidden = true;
+
     const input = document.createElement('input');
+
     input.type = 'file';
     input.accept = '.json';
     input.style.display = 'none';
@@ -185,37 +172,52 @@ var gZenMarketplaceManager = {
     input.setAttribute('accept', '.json');
 
     let timeout;
+
     const filePromise = new Promise((resolve) => {
       input.addEventListener('change', (event) => {
-        if (timeout) clearTimeout(timeout);
+        if (timeout) {
+          clearTimeout(timeout);
+        }
+
         const file = event.target.files[0];
         resolve(file);
       });
+
       timeout = setTimeout(() => {
-        console.warn('[ZenThemeMarketplaceParent:settings]: Import timeout reached, aborting.');
+        console.warn('[ZenSettings:ZenMods]: Import timeout reached, aborting.');
         resolve(null);
       }, 60000);
     });
 
+    input.addEventListener('cancel', () => {
+      console.warn('[ZenSettings:ZenMods]: Import cancelled by user.');
+      clearTimeout(timeout);
+    });
+
     input.click();
 
     try {
       const file = await filePromise;
+
       if (!file) {
         return;
       }
+
       const content = await file.text();
 
-      const themes = JSON.parse(content);
+      const mods = JSON.parse(content);
-      for (const theme of Object.values(themes)) {
+
-        theme.themeId = theme.id;
+      for (const mod of Object.values(mods)) {
-        window.ZenInstallTheme(theme);
+        mod.modId = mod.id;
+        await window.ZenInstallMod(mod);
       }
     } catch (error) {
-      console.error('[ZenThemeMarketplaceParent:settings]: Error while importing themes:', error);
+      console.error('[ZenSettings:ZenMods]: Error while importing mods:', error);
       errorBox.hidden = false;
-    } finally {
+    }
-      if (input) input.remove();
+
+    if (input) {
+      input.remove();
     }
   },
 
@@ -226,51 +228,54 @@ var gZenMarketplaceManager = {
     successBox.hidden = true;
     errorBox.hidden = true;
 
-    let a, url;
+    let temporalAnchor, temporalUrl;
     try {
-      const themes = await ZenThemesCommon.getThemes();
+      const mods = await gZenMods.getMods();
-      const themesJson = JSON.stringify(themes, null, 2);
+      const modsJson = JSON.stringify(mods, null, 2);
-      const blob = new Blob([themesJson], { type: 'application/json' });
+      const blob = new Blob([modsJson], { type: 'application/json' });
-      url = URL.createObjectURL(blob);
+
-      // Creating a link to download the JSON file
+      temporalUrl = URL.createObjectURL(blob);
-      a = document.createElement('a');
+      // Creating a link to download the JSON file
-      a.href = url;
+      temporalAnchor = document.createElement('a');
-      a.download = 'zen-themes-export.json';
+      temporalAnchor.href = temporalUrl;
+      temporalAnchor.download = 'zen-mods-export.json';
+
+      document.body.appendChild(temporalAnchor);
+      temporalAnchor.click();
+      temporalAnchor.remove();
 
-      document.body.appendChild(a);
-      a.click();
-      a.remove();
       successBox.hidden = false;
     } catch (error) {
-      console.error('[ZenThemeMarketplaceParent:settings]: Error while exporting themes:', error);
+      console.error('[ZenSettings:ZenMods]: Error while exporting mods:', error);
       errorBox.hidden = false;
-    } finally {
+    }
-      if (a) {
+
-        a.remove();
+    if (temporalAnchor) {
-      }
+      temporalAnchor.remove();
-      if (url) {
+    }
-        URL.revokeObjectURL(url);
+
-      }
+    if (temporalUrl) {
+      URL.revokeObjectURL(temporalUrl);
     }
   },
 
-  async _buildThemesList() {
+  async _buildModsList() {
-    if (!this.themesList) {
+    if (!this.modsList) {
       return;
     }
 
-    if (this._doNotRebuildThemesList) {
+    if (this._doNotRebuildModsList) {
-      this._doNotRebuildThemesList = false;
+      this._doNotRebuildModsList = false;
       return;
     }
 
-    const themes = await ZenThemesCommon.getThemes();
+    const mods = await gZenMods.getMods();
     const browser = ZenMultiWindowFeature.currentBrowser;
-    const themeList = document.createElement('div');
+    const modList = document.createElement('div');
 
-    for (const theme of Object.values(themes).sort((a, b) => a.name.localeCompare(b.name))) {
+    for (const mod of Object.values(mods).sort((a, b) => a.name.localeCompare(b.name))) {
-      const sanitizedName = `theme-${theme.name?.replaceAll(/\s/g, '-')?.replaceAll(/[^A-z_-]+/g, '')}`;
+      const sanitizedName = gZenMods.sanitizeModName(mod.name);
-      const isThemeEnabled = theme.enabled === undefined || theme.enabled;
+      const isModEnabled = mod.enabled === undefined || mod.enabled;
       const fragment = window.MozXULElement.parseXULToFragment(`
         <vbox class="zenThemeMarketplaceItem">
           <vbox class="zenThemeMarketplaceItemContent">
@@ -280,14 +285,14 @@ var gZenMarketplaceManager = {
             <description class="description-deemphasized zenThemeMarketplaceItemDescription"></description>
           </vbox>
           <hbox class="zenThemeMarketplaceItemActions">
-            ${theme.preferences ? `<button id="zenThemeMarketplaceItemConfigureButton-${sanitizedName}" class="zenThemeMarketplaceItemConfigureButton" hidden="true"></button>` : ''}
+            ${mod.preferences ? `<button id="zenThemeMarketplaceItemConfigureButton-${sanitizedName}" class="zenThemeMarketplaceItemConfigureButton" hidden="true"></button>` : ''}
-            ${theme.homepage ? `<button id="zenThemeMarketplaceItemHomePageLink-${sanitizedName}" class="zenThemeMarketplaceItemHomepageButton" zen-theme-id="${theme.id}"></button>` : ''}
+            ${mod.homepage ? `<button id="zenThemeMarketplaceItemHomePageLink-${sanitizedName}" class="zenThemeMarketplaceItemHomepageButton" zen-mod-id="${mod.id}"></button>` : ''}
-            <button class="zenThemeMarketplaceItemUninstallButton" data-l10n-id="zen-theme-marketplace-remove-button" zen-theme-id="${theme.id}"></button>
+            <button class="zenThemeMarketplaceItemUninstallButton" data-l10n-id="zen-theme-marketplace-remove-button" zen-mod-id="${mod.id}"></button>
           </hbox>
         </vbox>
       `);
 
-      const themeName = `${theme.name} (v${theme.version || '1.0.0'})`;
+      const modName = `${mod.name} (v${mod.version ?? '1.0.0'})`;
 
       const base = fragment.querySelector('.zenThemeMarketplaceItem');
       const baseHeader = fragment.querySelector('#zenThemeMarketplaceItemContentHeader');
@@ -302,7 +307,7 @@ var gZenMarketplaceManager = {
 
       mainDialogDiv.className = 'zenThemeMarketplaceItemPreferenceDialog';
       headerDiv.className = 'zenThemeMarketplaceItemPreferenceDialogTopBar';
-      headerTitle.textContent = themeName;
+      headerTitle.textContent = modName;
       browser.document.l10n.setAttributes(headerTitle, 'zen-theme-marketplace-theme-header-title', {
         name: sanitizedName,
       });
@@ -313,10 +318,10 @@ var gZenMarketplaceManager = {
       contentDiv.className = 'zenThemeMarketplaceItemPreferenceDialogContent';
       mozToggle.className = 'zenThemeMarketplaceItemPreferenceToggle';
 
-      mozToggle.pressed = isThemeEnabled;
+      mozToggle.pressed = isModEnabled;
       browser.document.l10n.setAttributes(
         mozToggle,
-        `zen-theme-marketplace-toggle-${isThemeEnabled ? 'enabled' : 'disabled'}-button`
+        `zen-theme-marketplace-toggle-${isModEnabled ? 'enabled' : 'disabled'}-button`
       );
 
       baseHeader.appendChild(mozToggle);
@@ -334,27 +339,37 @@ var gZenMarketplaceManager = {
       });
 
       mozToggle.addEventListener('toggle', async (event) => {
-        const themeId = event.target
+        const modId = event.target
           .closest('.zenThemeMarketplaceItem')
           .querySelector('.zenThemeMarketplaceItemUninstallButton')
-          .getAttribute('zen-theme-id');
+          .getAttribute('zen-mod-id');
         event.target.setAttribute('disabled', true);
 
         if (!event.target.hasAttribute('pressed')) {
-          await this.disableTheme(themeId);
+          await this.disableMod(modId);
 
-          browser.document.l10n.setAttributes(mozToggle, 'zen-theme-marketplace-toggle-disabled-button');
+          browser.document.l10n.setAttributes(
+            mozToggle,
+            'zen-theme-marketplace-toggle-disabled-button'
+          );
 
-          if (theme.preferences) {
+          if (mod.preferences) {
-            document.getElementById(`zenThemeMarketplaceItemConfigureButton-${sanitizedName}`).setAttribute('hidden', true);
+            document
+              .getElementById(`zenThemeMarketplaceItemConfigureButton-${sanitizedName}`)
+              .setAttribute('hidden', true);
           }
         } else {
-          await this.enableTheme(themeId);
+          await this.enableMod(modId);
 
-          browser.document.l10n.setAttributes(mozToggle, 'zen-theme-marketplace-toggle-enabled-button');
+          browser.document.l10n.setAttributes(
+            mozToggle,
+            'zen-theme-marketplace-toggle-enabled-button'
+          );
 
-          if (theme.preferences) {
+          if (mod.preferences) {
-            document.getElementById(`zenThemeMarketplaceItemConfigureButton-${sanitizedName}`).removeAttribute('hidden');
+            document
+              .getElementById(`zenThemeMarketplaceItemConfigureButton-${sanitizedName}`)
+              .removeAttribute('hidden');
           }
         }
         setTimeout(() => {
@@ -363,39 +378,47 @@ var gZenMarketplaceManager = {
         }, 400);
       });
 
-      fragment.querySelector('.zenThemeMarketplaceItemTitle').textContent = themeName;
+      fragment.querySelector('.zenThemeMarketplaceItemTitle').textContent = modName;
-      fragment.querySelector('.zenThemeMarketplaceItemDescription').textContent = theme.description;
+      fragment.querySelector('.zenThemeMarketplaceItemDescription').textContent = mod.description;
-      fragment.querySelector('.zenThemeMarketplaceItemUninstallButton').addEventListener('click', async (event) => {
+      fragment
-        const [msg] = await document.l10n.formatValues([{ id: 'zen-theme-marketplace-remove-confirmation' }]);
+        .querySelector('.zenThemeMarketplaceItemUninstallButton')
+        .addEventListener('click', async (event) => {
+          const [msg] = await document.l10n.formatValues([
+            { id: 'zen-theme-marketplace-remove-confirmation' },
+          ]);
 
-        if (!confirm(msg)) {
+          if (!confirm(msg)) {
-          return;
+            return;
-        }
+          }
 
-        await this.removeTheme(event.target.getAttribute('zen-theme-id'));
+          await this.removeMod(event.target.getAttribute('zen-mod-id'));
-      });
+        });
 
-      if (theme.homepage) {
+      if (mod.homepage) {
         const homepageButton = fragment.querySelector('.zenThemeMarketplaceItemHomepageButton');
         homepageButton.addEventListener('click', () => {
           // open the homepage url in a new tab
-          const url = theme.homepage;
+          const url = mod.homepage;
 
           window.open(url, '_blank');
         });
       }
 
-      if (theme.preferences) {
+      if (mod.preferences) {
-        fragment.querySelector('.zenThemeMarketplaceItemConfigureButton').addEventListener('click', () => {
+        fragment
-          dialog.showModal();
+          .querySelector('.zenThemeMarketplaceItemConfigureButton')
-        });
+          .addEventListener('click', () => {
+            dialog.showModal();
+          });
 
-        if (isThemeEnabled) {
+        if (isModEnabled) {
-          fragment.querySelector('.zenThemeMarketplaceItemConfigureButton').removeAttribute('hidden');
+          fragment
+            .querySelector('.zenThemeMarketplaceItemConfigureButton')
+            .removeAttribute('hidden');
         }
       }
 
-      const preferences = await ZenThemesCommon.getThemePreferences(theme);
+      const preferences = await gZenMods.getModPreferences(mod);
 
       if (preferences.length > 0) {
         const preferencesWrapper = document.createXULElement('vbox');
@@ -432,7 +455,10 @@ var gZenMarketplaceManager = {
               if (placeholder) {
                 defaultItem.setAttribute('label', placeholder || '-');
               } else {
-                browser.document.l10n.setAttributes(defaultItem, 'zen-theme-marketplace-dropdown-default-label');
+                browser.document.l10n.setAttributes(
+                  defaultItem,
+                  'zen-theme-marketplace-dropdown-default-label'
+                );
               }
 
               menupopup.appendChild(defaultItem);
@@ -444,7 +470,7 @@ var gZenMarketplaceManager = {
 
                 if (!['string', 'number'].includes(valueType)) {
                   console.log(
-                    `[ZenThemeMarketplaceParent:settings]: Warning, invalid data type received (${valueType}), skipping.`
+                    `[ZenSettings:ZenMods]: Warning, invalid data type received (${valueType}), skipping.`
                   );
                   continue;
                 }
@@ -500,7 +526,9 @@ var gZenMarketplaceManager = {
                 </hbox>
               `);
 
-              const checkboxElement = checkbox.querySelector('.zenThemeMarketplaceItemPreferenceCheckbox');
+              const checkboxElement = checkbox.querySelector(
+                '.zenThemeMarketplaceItemPreferenceCheckbox'
+              );
               checkboxElement.setAttribute('label', label);
               checkboxElement.setAttribute('tooltiptext', property);
               checkboxElement.setAttribute('zen-pref', property);
@@ -546,21 +574,28 @@ var gZenMarketplaceManager = {
               if (placeholder) {
                 input.setAttribute('placeholder', placeholder || '-');
               } else {
-                browser.document.l10n.setAttributes(input, 'zen-theme-marketplace-input-default-placeholder');
+                browser.document.l10n.setAttributes(
+                  input,
+                  'zen-theme-marketplace-input-default-placeholder'
+                );
               }
 
               input.addEventListener(
                 'change',
-                ZenThemesCommon.debounce((event) => {
+                gZenMods.debounce((event) => {
                   const value = event.target.value;
 
                   Services.prefs.setStringPref(property, value);
                   this._triggerBuildUpdateWithoutRebuild();
 
                   if (value === '') {
-                    browser.document.querySelector(':root').style.removeProperty(`--${sanitizedProperty}`);
+                    browser.document
+                      .querySelector(':root')
+                      .style.removeProperty(`--${sanitizedProperty}`);
                   } else {
-                    browser.document.querySelector(':root').style.setProperty(`--${sanitizedProperty}`, value);
+                    browser.document
+                      .querySelector(':root')
+                      .style.setProperty(`--${sanitizedProperty}`, value);
                   }
                 }, 500)
               );
@@ -581,18 +616,18 @@ var gZenMarketplaceManager = {
 
             default:
               console.log(
-                `[ZenThemeMarketplaceParent:settings]: Warning, unknown preference type received (${type}), skipping.`
+                `[ZenSettings:ZenMods]: Warning, unknown preference type received (${type}), skipping.`
               );
               continue;
           }
         }
         contentDiv.appendChild(preferencesWrapper);
       }
-      themeList.appendChild(fragment);
+      modList.appendChild(fragment);
     }
 
-    this.themesList.replaceChildren(...themeList.children);
+    this.modsList.replaceChildren(...modList.children);
-    themeList.remove();
+    modList.remove();
   },
 };
 
@@ -600,6 +635,19 @@ const kZenExtendedSidebar = 'zen.view.sidebar-expanded';
 const kZenSingleToolbar = 'zen.view.use-single-toolbar';
 
 var gZenLooksAndFeel = {
+  kZenColors: [
+    '#aac7ff',
+    '#74d7cb',
+    '#a0d490',
+    '#dec663',
+    '#ffb787',
+    '#dec1b1',
+    '#ffb1c0',
+    '#ddbfc3',
+    '#f6b0ea',
+    '#d4bbff',
+  ],
+
   init() {
     if (this.__hasInitialized) return;
     this.__hasInitialized = true;
@@ -630,7 +678,11 @@ var gZenLooksAndFeel = {
       layout.classList.remove('selected');
       if (layout.getAttribute('layout') == 'single' && isSingleToolbar) {
         layout.classList.add('selected');
-      } else if (layout.getAttribute('layout') == 'multiple' && !isSingleToolbar && isExtendedSidebar) {
+      } else if (
+        layout.getAttribute('layout') == 'multiple' &&
+        !isSingleToolbar &&
+        isExtendedSidebar
+      ) {
         layout.classList.add('selected');
       } else if (layout.getAttribute('layout') == 'collapsed' && !isExtendedSidebar) {
         layout.classList.add('selected');
@@ -650,7 +702,10 @@ var gZenLooksAndFeel = {
 
         layout.classList.add('selected');
 
-        Services.prefs.setBoolPref(kZenExtendedSidebar, layout.getAttribute('layout') != 'collapsed');
+        Services.prefs.setBoolPref(
+          kZenExtendedSidebar,
+          layout.getAttribute('layout') != 'collapsed'
+        );
         Services.prefs.setBoolPref(kZenSingleToolbar, layout.getAttribute('layout') == 'single');
       });
     }
@@ -694,7 +749,8 @@ var gZenLooksAndFeel = {
   _initializeColorPicker(accentColor) {
     let elem = document.getElementById('zenLooksAndFeelColorOptions');
     elem.innerHTML = '';
-    for (let color of ZenThemesCommon.kZenColors) {
+
+    for (let color of this.kZenColors) {
       let colorElemParen = document.createElement('div');
       let colorElem = document.createElement('div');
       colorElemParen.classList.add('zenLooksAndFeelColorOptionParen');
@@ -718,7 +774,7 @@ var gZenLooksAndFeel = {
   },
 
   _getInitialAccentColor() {
-    return Services.prefs.getStringPref('zen.theme.accent-color', ZenThemesCommon.kZenColors[0]);
+    return Services.prefs.getStringPref('zen.theme.accent-color', this.kZenColors[0]);
   },
 };
 
@@ -734,13 +790,19 @@ var gZenWorkspacesSettings = {
     };
     Services.prefs.addObserver('zen.tab-unloader.enabled', tabsUnloaderPrefListener);
     Services.prefs.addObserver('zen.glance.enabled', tabsUnloaderPrefListener); // We can use the same listener for both prefs
-    Services.prefs.addObserver('zen.workspaces.container-specific-essentials-enabled', tabsUnloaderPrefListener);
+    Services.prefs.addObserver(
+      'zen.workspaces.container-specific-essentials-enabled',
+      tabsUnloaderPrefListener
+    );
     Services.prefs.addObserver('zen.glance.activation-method', tabsUnloaderPrefListener);
     window.addEventListener('unload', () => {
       Services.prefs.removeObserver('zen.tab-unloader.enabled', tabsUnloaderPrefListener);
       Services.prefs.removeObserver('zen.glance.enabled', tabsUnloaderPrefListener);
       Services.prefs.removeObserver('zen.glance.activation-method', tabsUnloaderPrefListener);
-      Services.prefs.removeObserver('zen.workspaces.container-specific-essentials-enabled', tabsUnloaderPrefListener);
+      Services.prefs.removeObserver(
+        'zen.workspaces.container-specific-essentials-enabled',
+        tabsUnloaderPrefListener
+      );
     });
   },
 };
@@ -800,7 +862,10 @@ var zenMissingKeyboardShortcutL10n = {
   key_accessibility: 'zen-devtools-toggle-accessibility-shortcut',
 };
 
-var zenIgnoreKeyboardShortcutL10n = ['zen-full-zoom-reduce-shortcut-alt-b', 'zen-full-zoom-reduce-shortcut-alt-a'];
+var zenIgnoreKeyboardShortcutL10n = [
+  'zen-full-zoom-reduce-shortcut-alt-b',
+  'zen-full-zoom-reduce-shortcut-alt-a',
+];
 
 var gZenCKSSettings = {
   async init() {
@@ -928,6 +993,9 @@ var gZenCKSSettings = {
             sibling.remove();
           }
         }
+        if (target.classList.contains(`${ZEN_CKS_INPUT_FIELD_CLASS}-not-set`)) {
+          target.label = 'Not set';
+        }
       });
 
       const groupElem = wrapper.querySelector(`[data-group="${ZEN_CKS_GROUP_PREFIX}-${group}"]`);
@@ -964,8 +1032,16 @@ var gZenCKSSettings = {
 
     event.preventDefault();
 
-    let input = document.querySelector(`.${ZEN_CKS_INPUT_FIELD_CLASS}[${KEYBIND_ATTRIBUTE_KEY}="${this._currentActionID}"]`);
+    let input = document.querySelector(
-    const modifiers = new KeyShortcutModifiers(event.ctrlKey, event.altKey, event.shiftKey, event.metaKey, false);
+      `.${ZEN_CKS_INPUT_FIELD_CLASS}[${KEYBIND_ATTRIBUTE_KEY}="${this._currentActionID}"]`
+    );
+    const modifiers = new KeyShortcutModifiers(
+      event.ctrlKey,
+      event.altKey,
+      event.shiftKey,
+      event.metaKey,
+      false
+    );
     const modifiersActive = modifiers.areAnyActive();
 
     input.classList.remove(`${ZEN_CKS_INPUT_FIELD_CLASS}-not-set`);
@@ -977,6 +1053,7 @@ var gZenCKSSettings = {
     shortcut = shortcut.replace(/Ctrl|Control|Shift|Alt|Option|Cmd|Meta/, ''); // Remove all modifiers
 
     if (shortcut == 'Tab' && !modifiersActive) {
+      input.classList.remove(`${ZEN_CKS_INPUT_FIELD_CLASS}-not-set`);
       input.classList.remove(`${ZEN_CKS_INPUT_FIELD_CLASS}-editing`);
       this._latestValidKey = null;
       return;
@@ -1004,6 +1081,9 @@ var gZenCKSSettings = {
         input.classList.remove(`${ZEN_CKS_INPUT_FIELD_CLASS}-editing`);
 
         this._editDone(this._latestValidKey, this._latestModifier);
+        if (this.name == 'Not set') {
+          input.classList.add(`${ZEN_CKS_INPUT_FIELD_CLASS}-not-set`);
+        }
         this._latestValidKey = null;
         this._latestModifier = null;
         input.classList.remove(`${ZEN_CKS_INPUT_FIELD_CLASS}-invalid`);
@@ -1025,6 +1105,10 @@ var gZenCKSSettings = {
       this._latestValidKey = null;
       this._latestModifier = null;
       this._hasSafed = true;
+      const sibling = input.nextElementSibling;
+      if (sibling && sibling.classList.contains(`${ZEN_CKS_CLASS_BASE}-conflict`)) {
+        sibling.remove();
+      }
       return;
     }
 
@@ -1148,4 +1232,9 @@ Preferences.addAll([
     type: 'bool',
     default: false,
   },
+  {
+    id: 'zen.mods.auto-update',
+    type: 'bool',
+    default: true,
+  },
 ]);

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

@@ -1,5 +1,4 @@
 <script src="chrome://browser/content/zen-components/ZenCommonUtils.mjs" defer=""/>
-<script src="chrome://browser/content/zen-components/ZenThemesCommon.mjs" defer=""/>
 <html:template id="template-paneZenMarketplace">
 <hbox id="ZenMarketplaceCategory"
       class="subcategory"
@@ -21,6 +20,10 @@
             <button id="zenThemeMarketplaceCheckForUpdates" data-l10n-id="zen-theme-marketplace-check-for-updates-button" />
       </hbox>
 
+      <checkbox id="zenThemeMarketplaceAutoUpdate"
+            data-l10n-id="zen-themes-auto-update"
+            preference="zen.mods.auto-update"/>
+
       <description class="description-deemphasized" data-l10n-id="zen-theme-marketplace-updates-success" hidden="true" id="zenThemeMarketplaceUpdatesSuccess" />
       <description class="description-deemphasized" data-l10n-id="zen-theme-marketplace-updates-failure" hidden="true" id="zenThemeMarketplaceUpdatesFailure" />
 

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

@@ -31,26 +31,6 @@
 <html:h1 data-l10n-id="pane-zen-tabs-unloader-title"/>
 </hbox>
 
-<groupbox id="zenTabsUnloadGroup" data-category="paneZenTabManagement" hidden="true" class="highlighting-group">
-      <label><html:h2 data-l10n-id="zen-tabs-unloader-header"/></label>
-      <description class="description-deemphasized" data-l10n-id="zen-tabs-unloader-description" />
-
-      <checkbox id="zenTabsUnloadActivate"
-            data-l10n-id="zen-tabs-unloader-enabled"
-            preference="zen.tab-unloader.enabled"/>
-
-
-      <label><html:h2 data-l10n-id="zen-tabs-unloader-unload-delay"/></label>
-      <hbox id="zenTabsUnloadDelayContainer">
-            <description class="description-deemphasized" data-l10n-id="zen-tabs-unloader-unload-delay-description" />
-            <html:input id="zenTabsUnloadDelay"
-                  type="number"
-                  min="1"
-                  max="1000"
-                  preference="zen.tab-unloader.timeout-minutes"/>
-      </hbox>
-</groupbox>
-
 <hbox id="zenPinnedTabsManagerCategory"
       class="subcategory"
       hidden="true"

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

@@ -0,0 +1,13 @@
+diff --git a/browser/components/search/SearchUIUtils.sys.mjs b/browser/components/search/SearchUIUtils.sys.mjs
+index ecebaad93acfc9eb7dfd9d9f56fec2e1a4abe392..8bb1348b3258dbc518d23ec39181a81f87fc8c1e 100644
+--- a/browser/components/search/SearchUIUtils.sys.mjs
++++ b/browser/components/search/SearchUIUtils.sys.mjs
+@@ -403,7 +403,7 @@ export var SearchUIUtils = {
+         triggeringSearchEngine: engine.name,
+       },
+     });
+-
++    window.gZenGlanceManager?.onSearchSelectCommand(where);
+     return { engine, url: submission.uri };
+   },
+ 

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

@@ -1,8 +1,8 @@
 diff --git a/browser/components/sessionstore/SessionStore.sys.mjs b/browser/components/sessionstore/SessionStore.sys.mjs
-index 5633e5032f5d50c70512187d27e045b579978927..6b9e56cb62a4812925ff812763ea9b0e6a478202 100644
+index 8c6047e1ada5a22e57e1e665965237c9e22641d7..8d0585e738a5a758ebbddfa0787c71d634dadd4d 100644
 --- a/browser/components/sessionstore/SessionStore.sys.mjs
 +++ b/browser/components/sessionstore/SessionStore.sys.mjs
-@@ -2081,7 +2081,6 @@ var SessionStoreInternal = {
+@@ -2088,7 +2088,6 @@ var SessionStoreInternal = {
        if (closedWindowState) {
          let newWindowState;
          if (
@@ -10,7 +10,7 @@ index 5633e5032f5d50c70512187d27e045b579978927..6b9e56cb62a4812925ff812763ea9b0e
            !lazy.SessionStartup.willRestore()
          ) {
            // We want to split the window up into pinned tabs and unpinned tabs.
-@@ -2296,11 +2295,9 @@ var SessionStoreInternal = {
+@@ -2303,11 +2302,9 @@ var SessionStoreInternal = {
            tabbrowser.selectedTab.label;
        }
  
@@ -22,7 +22,7 @@ index 5633e5032f5d50c70512187d27e045b579978927..6b9e56cb62a4812925ff812763ea9b0e
  
        // Store the window's close date to figure out when each individual tab
        // was closed. This timestamp should allow re-arranging data based on how
-@@ -3202,7 +3199,7 @@ var SessionStoreInternal = {
+@@ -3216,7 +3213,7 @@ var SessionStoreInternal = {
      if (!isPrivateWindow && tabState.isPrivate) {
        return;
      }
@@ -31,17 +31,19 @@ index 5633e5032f5d50c70512187d27e045b579978927..6b9e56cb62a4812925ff812763ea9b0e
        return;
      }
  
-@@ -3911,6 +3908,9 @@ var SessionStoreInternal = {
+@@ -3925,6 +3922,11 @@ var SessionStoreInternal = {
          Math.min(tabState.index, tabState.entries.length)
        );
        tabState.pinned = false;
 +      tabState.zenEssential = false;
 +      tabState.zenPinnedId = null;
++      tabState.zenIsGlance = false;
++      tabState.zenGlanceId = null;
 +      tabState.zenHasStaticLabel = false;
  
        if (inBackground === false) {
          aWindow.gBrowser.selectedTab = newTab;
-@@ -5225,7 +5225,7 @@ var SessionStoreInternal = {
+@@ -5239,7 +5241,7 @@ var SessionStoreInternal = {
      }
  
      let workspaceID = aWindow.getWorkspaceID();
@@ -50,12 +52,12 @@ index 5633e5032f5d50c70512187d27e045b579978927..6b9e56cb62a4812925ff812763ea9b0e
        winData.workspaceID = workspaceID;
      }
    },
-@@ -5416,14 +5416,15 @@ var SessionStoreInternal = {
+@@ -5430,14 +5432,15 @@ var SessionStoreInternal = {
      }
  
      let tabbrowser = aWindow.gBrowser;
 -    let tabs = tabbrowser.tabs;
-+    let tabs = aWindow.ZenWorkspaces.allStoredTabs;
++    let tabs = aWindow.gZenWorkspaces.allStoredTabs;
      /** @type {WindowStateData} */
      let winData = this._windows[aWindow.__SSi];
      let tabsData = (winData.tabs = []);
@@ -68,16 +70,29 @@ index 5633e5032f5d50c70512187d27e045b579978927..6b9e56cb62a4812925ff812763ea9b0e
          continue;
        }
        let tabData = lazy.TabState.collect(tab, TAB_CUSTOM_VALUES.get(tab));
-@@ -5442,7 +5443,7 @@ var SessionStoreInternal = {
+@@ -5456,8 +5459,8 @@ var SessionStoreInternal = {
      // We don't store the Firefox View tab in Session Store, so if it was the last selected "tab" when
      // a window is closed, point to the first item in the tab strip instead (it will never be the Firefox View tab,
      // since it's only inserted into the tab strip after it's selected).
 -    if (aWindow.FirefoxViewHandler.tab?.selected) {
+-      selectedIndex = 1;
 +    if (aWindow.FirefoxViewHandler.tab?.selected || tabbrowser.selectedTab.hasAttribute("zen-empty-tab")) {
-       selectedIndex = 1;
++      selectedIndex = 0;
        winData.title = tabbrowser.tabs[0].label;
      }
-@@ -5599,6 +5600,7 @@ var SessionStoreInternal = {
+     winData.selected = selectedIndex;
+@@ -5569,8 +5572,8 @@ var SessionStoreInternal = {
+     // selectTab represents.
+     let selectTab = 0;
+     if (overwriteTabs) {
+-      selectTab = parseInt(winData.selected || 1, 10);
+-      selectTab = Math.max(selectTab, 1);
++      selectTab = parseInt(winData.selected || 0, 10);
++      selectTab = Math.max(selectTab, 0);
+       selectTab = Math.min(selectTab, winData.tabs.length);
+     }
+ 
+@@ -5613,6 +5616,7 @@ var SessionStoreInternal = {
          winData.tabs,
          winData.groups ?? []
        );
@@ -85,12 +100,13 @@ index 5633e5032f5d50c70512187d27e045b579978927..6b9e56cb62a4812925ff812763ea9b0e
        this._log.debug(
          `restoreWindow, createTabsForSessionRestore returned ${tabs.length} tabs`
        );
-@@ -6148,8 +6150,23 @@ var SessionStoreInternal = {
+@@ -6162,6 +6166,22 @@ var SessionStoreInternal = {
  
      // Most of tabData has been restored, now continue with restoring
      // attributes that may trigger external events.
 +    if (tabData.zenEssential) {
 +      tab.setAttribute("zen-essential", "true");
++      tabData.pinned = true; // Essential tabs are always pinned.
 +    }
 +    if (tabData.zenIsEmpty) {
 +      tab.setAttribute("zen-empty-tab", "true");
@@ -105,8 +121,5 @@ index 5633e5032f5d50c70512187d27e045b579978927..6b9e56cb62a4812925ff812763ea9b0e
 +      tab.setAttribute("zenDefaultUserContextId", true);
 +    }
  
--    if (tabData.pinned) {
+     if (tabData.pinned) {
-+    if (tabData.pinned || tabData.zenEssential) {
        tabbrowser.pinTab(tab);
-     } else {
-       tabbrowser.unpinTab(tab);

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

@@ -1,8 +1,8 @@
 diff --git a/browser/components/sessionstore/TabState.sys.mjs b/browser/components/sessionstore/TabState.sys.mjs
-index 8f7ed557e6aa61e7e16ed4a8d785ad5fe651b3d8..254849e13f7566029dc780c45e376e0f0d427cb5 100644
+index 8f7ed557e6aa61e7e16ed4a8d785ad5fe651b3d8..76f4cf5aef30cb580ef0295fe6928b5a6a362f4b 100644
 --- a/browser/components/sessionstore/TabState.sys.mjs
 +++ b/browser/components/sessionstore/TabState.sys.mjs
-@@ -84,6 +84,16 @@ class _TabState {
+@@ -84,6 +84,18 @@ class _TabState {
        tabData.groupId = tab.group.id;
      }
  
@@ -15,6 +15,8 @@ index 8f7ed557e6aa61e7e16ed4a8d785ad5fe651b3d8..254849e13f7566029dc780c45e376e0f
 +    tabData.zenPinnedIcon = tab.getAttribute("zen-pinned-icon");
 +    tabData.zenIsEmpty = tab.hasAttribute("zen-empty-tab");
 +    tabData.zenHasStaticLabel = tab.hasAttribute("zen-has-static-label");
++    tabData.zenGlanceId = tab.getAttribute("glance-id");
++    tabData.zenIsGlance = tab.hasAttribute("zen-glance-tab");
 +
      tabData.searchMode = tab.ownerGlobal.gURLBar.getSearchMode(browser, true);
  

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

@@ -0,0 +1,13 @@
+diff --git a/browser/components/tabbrowser/TabUnloader.sys.mjs b/browser/components/tabbrowser/TabUnloader.sys.mjs
+index 44846cc902fd3fc17d12be38ac9abccb47a12f23..c715c7cf47486066b3fd6f92bf78bc8a720759bc 100644
+--- a/browser/components/tabbrowser/TabUnloader.sys.mjs
++++ b/browser/components/tabbrowser/TabUnloader.sys.mjs
+@@ -52,7 +52,7 @@ let CRITERIA_WEIGHT = 1;
+  */
+ let DefaultTabUnloaderMethods = {
+   isNonDiscardable(tab, weight) {
+-    if (tab.undiscardable || tab.selected) {
++    if (tab.undiscardable || tab.selected || tab.zenModeActive) {
+       return weight;
+     }
+ 

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

@@ -1,5 +1,5 @@
 diff --git a/browser/components/tabbrowser/content/tab.js b/browser/components/tabbrowser/content/tab.js
-index dc92771ebc65095dfebbddc238ee6d4fffd897bf..ae9120f7cc8989cf625ac101d053d82582e32009 100644
+index f43ab1cf6257ff1a9c9aa522a0180fd9bbfe4036..d9714c46de860243b06af7e8343d36b107efb855 100644
 --- a/browser/components/tabbrowser/content/tab.js
 +++ b/browser/components/tabbrowser/content/tab.js
 @@ -21,6 +21,7 @@
@@ -21,7 +21,7 @@ index dc92771ebc65095dfebbddc238ee6d4fffd897bf..ae9120f7cc8989cf625ac101d053d825
          </hbox>
        </stack>
        `;
-@@ -175,7 +178,7 @@
+@@ -180,7 +183,7 @@
      }
  
      set _visuallySelected(val) {
@@ -30,7 +30,7 @@ index dc92771ebc65095dfebbddc238ee6d4fffd897bf..ae9120f7cc8989cf625ac101d053d825
          return;
        }
  
-@@ -211,7 +214,7 @@
+@@ -216,7 +219,7 @@
      }
  
      get visible() {
@@ -39,7 +39,7 @@ index dc92771ebc65095dfebbddc238ee6d4fffd897bf..ae9120f7cc8989cf625ac101d053d825
      }
  
      get hidden() {
-@@ -282,7 +285,7 @@
+@@ -287,7 +290,7 @@
          return false;
        }
  
@@ -48,7 +48,7 @@ index dc92771ebc65095dfebbddc238ee6d4fffd897bf..ae9120f7cc8989cf625ac101d053d825
      }
  
      get lastAccessed() {
-@@ -454,6 +457,8 @@
+@@ -459,6 +462,8 @@
          this.style.MozUserFocus = "ignore";
        } else if (
          event.target.classList.contains("tab-close-button") ||
@@ -57,7 +57,18 @@ index dc92771ebc65095dfebbddc238ee6d4fffd897bf..ae9120f7cc8989cf625ac101d053d825
          event.target.classList.contains("tab-icon-overlay") ||
          event.target.classList.contains("tab-audio-button")
        ) {
-@@ -554,6 +559,7 @@
+@@ -513,6 +518,10 @@
+       this.style.MozUserFocus = "";
+     }
+ 
++    get glanceTab() {
++      return this.querySelector("tab[zen-glance-tab]");
++    }
++
+     on_click(event) {
+       if (event.button != 0) {
+         return;
+@@ -559,6 +568,7 @@
              telemetrySource: lazy.TabMetrics.METRIC_SOURCE.TAB_STRIP,
            });
          } else {
@@ -65,7 +76,7 @@ index dc92771ebc65095dfebbddc238ee6d4fffd897bf..ae9120f7cc8989cf625ac101d053d825
            gBrowser.removeTab(this, {
              animate: true,
              triggeringEvent: event,
-@@ -564,6 +570,14 @@
+@@ -569,6 +579,14 @@
          // (see tabbrowser-tabs 'click' handler).
          gBrowser.tabContainer._blockDblClick = true;
        }
@@ -80,7 +91,7 @@ index dc92771ebc65095dfebbddc238ee6d4fffd897bf..ae9120f7cc8989cf625ac101d053d825
      }
  
      on_dblclick(event) {
-@@ -587,6 +601,8 @@
+@@ -592,6 +610,8 @@
            animate: true,
            triggeringEvent: event,
          });

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

@@ -1,15 +1,11 @@
 diff --git a/browser/components/tabbrowser/content/tabbrowser.js b/browser/components/tabbrowser/content/tabbrowser.js
-index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06c17cde8a 100644
+index d5aa64842a35c6697263c63fd3a0571b64b01344..14f5bc046f2e54109bd3fd0402a8f8b598a513c2 100644
 --- a/browser/components/tabbrowser/content/tabbrowser.js
 +++ b/browser/components/tabbrowser/content/tabbrowser.js
-@@ -415,11 +415,45 @@
+@@ -413,11 +413,41 @@
        return this.tabContainer.visibleTabs;
      }
  
-+    zenInsertTabAtIndex(...args) {
-+      return this.#insertTabAtElementIndex(...args);
-+    }
-+
 +    get _numVisiblePinTabsWithoutCollapsed() {
 +      let i = 0;
 +      for (let item of this.tabContainer.ariaFocusableItems) {
@@ -50,15 +46,15 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        }
        return i;
      }
-@@ -571,6 +605,7 @@
+@@ -569,6 +599,7 @@
        this.tabpanels.appendChild(panel);
  
        let tab = this.tabs[0];
-+      ZenWorkspaces.handleInitialTab(tab, (!remoteType || remoteType === E10SUtils.PRIVILEGEDABOUT_REMOTE_TYPE) && !gZenUIManager.testingEnabled);
++      gZenWorkspaces.handleInitialTab(tab, (!remoteType || remoteType === E10SUtils.PRIVILEGEDABOUT_REMOTE_TYPE) && !gZenUIManager.testingEnabled);
        tab.linkedPanel = uniqueId;
        this._selectedTab = tab;
        this._selectedBrowser = browser;
-@@ -836,11 +871,13 @@
+@@ -834,11 +865,13 @@
        }
  
        this.showTab(aTab);
@@ -68,14 +64,14 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
 +      if (this.tabContainer.verticalMode && !handled) {
          this.#handleTabMove(aTab, () =>
 -          this.verticalPinnedTabsContainer.appendChild(aTab)
-+          aTab.hasAttribute("zen-essential") ? ZenWorkspaces.getEssentialsSection(aTab).appendChild(aTab) : this.verticalPinnedTabsContainer.insertBefore(aTab, this.verticalPinnedTabsContainer.lastChild)
++          aTab.hasAttribute("zen-essential") ? gZenWorkspaces.getEssentialsSection(aTab).appendChild(aTab) : this.verticalPinnedTabsContainer.insertBefore(aTab, this.verticalPinnedTabsContainer.lastChild)
          );
 -      } else {
 +      } else if (!handled) {
          this.moveTabTo(aTab, {
            tabIndex: this.pinnedTabCount,
            forceUngrouped: true,
-@@ -857,12 +894,15 @@
+@@ -855,12 +888,15 @@
        }
  
        if (this.tabContainer.verticalMode) {
@@ -87,12 +83,12 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
            aTab.removeAttribute("pinned");
 -          this.tabContainer.arrowScrollbox.prepend(aTab);
 +          if (!handled) {
-+            ZenWorkspaces.activeWorkspaceStrip.prepend(aTab);
++            gZenWorkspaces.activeWorkspaceStrip.prepend(aTab);
 +          }
          });
        } else {
          this.moveTabTo(aTab, {
-@@ -1046,6 +1086,8 @@
+@@ -1044,6 +1080,8 @@
  
        let LOCAL_PROTOCOLS = ["chrome:", "about:", "resource:", "data:"];
  
@@ -101,7 +97,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        if (
          aIconURL &&
          !aLoadingPrincipal &&
-@@ -1056,6 +1098,9 @@
+@@ -1054,6 +1092,9 @@
          );
          return;
        }
@@ -111,7 +107,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
  
        let browser = this.getBrowserForTab(aTab);
        browser.mIconURL = aIconURL;
-@@ -1305,6 +1350,7 @@
+@@ -1303,6 +1344,7 @@
        if (!this._previewMode) {
          newTab.recordTimeFromUnloadToReload();
          newTab.updateLastAccessed();
@@ -119,7 +115,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
          oldTab.updateLastAccessed();
          // if this is the foreground window, update the last-seen timestamps.
          if (this.ownerGlobal == BrowserWindowTracker.getTopWindow()) {
-@@ -1457,6 +1503,9 @@
+@@ -1455,6 +1497,9 @@
        }
  
        let activeEl = document.activeElement;
@@ -129,7 +125,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        // If focus is on the old tab, move it to the new tab.
        if (activeEl == oldTab) {
          newTab.focus();
-@@ -1780,7 +1829,8 @@
+@@ -1778,7 +1823,8 @@
      }
  
      _setTabLabel(aTab, aLabel, { beforeTabOpen, isContentTitle, isURL } = {}) {
@@ -139,7 +135,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
          return false;
        }
  
-@@ -1888,7 +1938,7 @@
+@@ -1886,7 +1932,7 @@
          newIndex = this.selectedTab._tPos + 1;
        }
  
@@ -148,7 +144,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
          if (this.isTabGroupLabel(targetTab)) {
            throw new Error(
              "Replacing a tab group label with a tab is not supported"
-@@ -2152,6 +2202,7 @@
+@@ -2150,6 +2196,7 @@
        uriIsAboutBlank,
        userContextId,
        skipLoad,
@@ -156,7 +152,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
      } = {}) {
        let b = document.createXULElement("browser");
        // Use the JSM global to create the permanentKey, so that if the
-@@ -2225,8 +2276,7 @@
+@@ -2223,8 +2270,7 @@
          // we use a different attribute name for this?
          b.setAttribute("name", name);
        }
@@ -166,7 +162,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
          b.setAttribute("transparent", "true");
        }
  
-@@ -2391,7 +2441,7 @@
+@@ -2389,7 +2435,7 @@
  
        let panel = this.getPanel(browser);
        let uniqueId = this._generateUniquePanelID();
@@ -175,7 +171,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        aTab.linkedPanel = uniqueId;
  
        // Inject the <browser> into the DOM if necessary.
-@@ -2450,8 +2500,8 @@
+@@ -2448,8 +2494,8 @@
        // If we transitioned from one browser to two browsers, we need to set
        // hasSiblings=false on both the existing browser and the new browser.
        if (this.tabs.length == 2) {
@@ -186,7 +182,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        } else {
          aTab.linkedBrowser.browsingContext.hasSiblings = this.tabs.length > 1;
        }
-@@ -2679,6 +2729,7 @@
+@@ -2680,6 +2726,7 @@
          schemelessInput,
          hasValidUserGestureActivation = false,
          textDirectiveUserActivation = false,
@@ -194,20 +190,20 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        } = {}
      ) {
        // all callers of addTab that pass a params object need to pass
-@@ -2689,6 +2740,12 @@
+@@ -2690,6 +2737,12 @@
          );
        }
  
 +      let hasZenDefaultUserContextId = false;
 +      let zenForcedWorkspaceId = undefined;
-+      if (typeof ZenWorkspaces !== "undefined" && !_forZenEmptyTab) {
++      if (typeof gZenWorkspaces !== "undefined" && !_forZenEmptyTab) {
-+        [userContextId, hasZenDefaultUserContextId, zenForcedWorkspaceId] = ZenWorkspaces.getContextIdIfNeeded(userContextId, fromExternal, allowInheritPrincipal);
++        [userContextId, hasZenDefaultUserContextId, zenForcedWorkspaceId] = gZenWorkspaces.getContextIdIfNeeded(userContextId, fromExternal, allowInheritPrincipal);
 +      }
 +
        if (!UserInteraction.running("browser.tabs.opening", window)) {
          UserInteraction.start("browser.tabs.opening", "initting", window);
        }
-@@ -2752,6 +2809,16 @@
+@@ -2753,6 +2806,16 @@
            noInitialLabel,
            skipBackgroundNotify,
          });
@@ -222,9 +218,9 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
 +          t.setAttribute("zen-empty-tab", "true");
 +        }
          if (insertTab) {
-           if (typeof index == "number") {
+           // Insert the tab into the tab container in the correct position.
-             elementIndex = this.#tabIndexToElementIndex(index);
+           // For now, we support `index` as an alias for `tabIndex`.
-@@ -2779,6 +2846,7 @@
+@@ -2783,6 +2846,7 @@
            openWindowInfo,
            skipLoad,
            triggeringRemoteType,
@@ -232,7 +228,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
          }));
  
          if (focusUrlBar) {
-@@ -2898,6 +2966,12 @@
+@@ -2902,6 +2966,12 @@
          }
        }
  
@@ -245,35 +241,22 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        // Additionally send pinned tab events
        if (pinned) {
          this._notifyPinnedStatus(t);
-@@ -2945,12 +3019,15 @@
+@@ -2990,10 +3060,10 @@
-      * @param {string} [label=]
+         isAdoptingGroup = false,
-      * @returns {MozTabbrowserTabGroup}
-      */
--    _createTabGroup(id, color, collapsed, label = "") {
-+    _createTabGroup(id, color, collapsed, label = "", pinned = false, essential = false, splitViewGroup = false) {
-       let group = document.createXULElement("tab-group", { is: "tab-group" });
-       group.id = id;
-       group.collapsed = collapsed;
-       group.color = color;
-       group.label = label;
-+      group.pinned = pinned;
-+      group.essential = essential;
-+      if (splitViewGroup) group.setAttribute('split-view-group', true);
-       return group;
-     }
- 
-@@ -2993,6 +3070,7 @@
-         insertBefore = null,
          isUserTriggered = false,
          telemetryUserCreateSource = "unknown",
 +        forSplitView = false,
        } = {}
      ) {
        if (!tabs?.length) {
-@@ -3011,7 +3089,12 @@
+-        throw new Error("Cannot create tab group with zero tabs");
-         id = `${Date.now()}-${Math.round(Math.random() * 100)}`;
        }
-       let group = this._createTabGroup(id, color, false, label);
+ 
+       if (!color) {
+@@ -3014,7 +3084,12 @@
+         label,
+         isAdoptingGroup
+       );
 -      this.tabContainer.insertBefore(
 +      if (forSplitView) {
 +        group.setAttribute('split-view-group', true);
@@ -284,7 +267,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
          group,
          insertBefore?.group ?? insertBefore
        );
-@@ -3342,6 +3425,7 @@
+@@ -3303,6 +3378,7 @@
          openWindowInfo,
          skipLoad,
          triggeringRemoteType,
@@ -292,7 +275,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        }
      ) {
        // If we don't have a preferred remote type (or it is `NOT_REMOTE`), and
-@@ -3411,6 +3495,7 @@
+@@ -3372,6 +3448,7 @@
            openWindowInfo,
            name,
            skipLoad,
@@ -300,7 +283,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
          });
        }
  
-@@ -3599,7 +3684,7 @@
+@@ -3560,7 +3637,7 @@
          // Add a new tab if needed.
          if (!tab) {
            let createLazyBrowser =
@@ -309,35 +292,17 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
  
            let url = "about:blank";
            if (tabData.entries?.length) {
-@@ -3638,6 +3723,27 @@
+@@ -3598,7 +3675,8 @@
+             skipLoad: true,
              preferredRemoteType,
            });
- 
+-
-+          if (tabData.zenWorkspace) {
++          tab._originalUrl = url;
-+            tab.setAttribute("zen-workspace-id", tabData.zenWorkspace);
++          gZenSessionStore.restoreInitialTabData(tab, tabData);
-+          }
-+          if (tabData.zenPinnedId) {
-+            tab.setAttribute("zen-pin-id", tabData.zenPinnedId);
-+          }
-+          if (tabData.zenIsEmpty) {
-+            tab.setAttribute("zen-empty-tab", "true");
-+          }
-+          if (tabData.zenHasStaticLabel) {
-+            tab.setAttribute("zen-has-static-label", "true");
-+          }
-+          if (tabData.zenEssential) {
-+            tab.setAttribute("zen-essential", "true");
-+          }
-+          if (tabData.zenDefaultUserContextId) {
-+            tab.setAttribute("zenDefaultUserContextId", "true");
-+          }
-+          if (tabData.zenPinnedEntry) {
-+            tab.setAttribute("zen-pinned-entry", tabData.zenPinnedEntry);
-+          }
            if (select) {
              tabToSelect = tab;
            }
-@@ -3661,7 +3767,8 @@
+@@ -3622,7 +3700,8 @@
              // needs calling:
              shouldUpdateForPinnedTabs = true;
            }
@@ -347,7 +312,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
            let { groupId } = tabData;
            const tabGroup = tabGroupWorkingData.get(groupId);
            // if a tab refers to a tab group we don't know, skip any group
-@@ -3675,7 +3782,10 @@
+@@ -3636,7 +3715,10 @@
                  tabGroup.stateData.id,
                  tabGroup.stateData.color,
                  tabGroup.stateData.collapsed,
@@ -359,62 +324,64 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
                );
                tabsFragment.appendChild(tabGroup.node);
              }
-@@ -3723,8 +3833,21 @@
+@@ -3684,8 +3766,16 @@
        // to remove the old selected tab.
        if (tabToSelect) {
          let leftoverTab = this.selectedTab;
-+        if (gZenVerticalTabsManager._canReplaceNewTab) {
+-        this.selectedTab = tabToSelect;
-+          ZenWorkspaces._tabToRemoveForEmpty = leftoverTab;
+-        this.removeTab(leftoverTab);
-+          if (Services.prefs.getBoolPref("zen.workspaces.continue-where-left-off")) {
++        gZenWorkspaces._tabToRemoveForEmpty = leftoverTab;
-+            ZenWorkspaces._tabToSelect = selectTab - 1;
++        if (Services.prefs.getBoolPref("zen.workspaces.continue-where-left-off")) {
-+          }
++          gZenWorkspaces._tabToSelect = selectTab - 1;
-+        } else {
++        }
-         this.selectedTab = tabToSelect;
++        if (gZenWorkspaces._initialTab && !gZenVerticalTabsManager._canReplaceNewTab) {
-         this.removeTab(leftoverTab);
++          gZenWorkspaces._initialTab._shouldRemove = true;
-+          if (ZenWorkspaces._initialTab) {
-+            ZenWorkspaces._initialTab._shouldRemove = true;
-+          }
 +        }
 +      }
 +      else {
-+        ZenWorkspaces._tabToRemoveForEmpty = this.selectedTab;
++        gZenWorkspaces._tabToRemoveForEmpty = this.selectedTab;
        }
  
        if (tabs.length > 1 || !tabs[0].selected) {
-@@ -3912,7 +4035,7 @@
+@@ -3881,7 +3971,7 @@
        // Ensure we have an index if one was not provided.
-       if (typeof index != "number") {
+       if (typeof elementIndex != "number" && typeof tabIndex != "number") {
          // Move the new tab after another tab if needed, to the end otherwise.
--        index = Infinity;
+-        elementIndex = Infinity;
-+        index = Services.prefs.getBoolPref("zen.view.show-newtab-button-top") ? this.pinnedTabCount : Infinity;
++        elementIndex = Services.prefs.getBoolPref("zen.view.show-newtab-button-top") ? this._numVisiblePinTabsWithoutCollapsed : Infinity;
          if (
            !bulkOrderedOpen &&
            ((openerTab &&
-@@ -3935,7 +4058,7 @@
+@@ -3904,7 +3994,7 @@
            ) {
-             index = Infinity;
+             elementIndex = Infinity;
            } else if (previousTab.visible) {
--            index = previousTab.elementIndex + 1;
+-            elementIndex = previousTab.elementIndex + 1;
-+            index = (typeof previousTab.elementIndex === 'undefined') ? index : (previousTab.elementIndex + 1);
++            elementIndex = (typeof previousTab.elementIndex === 'undefined') ? index : (previousTab.elementIndex + 1);
            } else if (previousTab == FirefoxViewHandler.tab) {
-             index = 0;
+             elementIndex = 0;
            }
-@@ -3958,18 +4081,18 @@
+@@ -3932,14 +4022,14 @@
- 
+       }
        // Ensure index is within bounds.
        if (tab.pinned) {
 -        index = Math.max(index, 0);
 -        index = Math.min(index, this.pinnedTabCount);
 +        index = Math.max(index, tab.hasAttribute("zen-essential") ? 0 : this._numZenEssentials);
-+        index = Math.min(index, tab.hasAttribute("zen-essential") ? this._numZenEssentials : this.pinnedTabCount);
++        index = Math.min(index, tab.hasAttribute("zen-essential") ? this._numZenEssentials : this._numVisiblePinTabsWithoutCollapsed);
        } else {
-         index = Math.max(index, this.pinnedTabCount);
+-        index = Math.max(index, this.pinnedTabCount);
-         index = Math.min(index, this.tabContainer.ariaFocusableItems.length);
++        index = Math.max(index, this._numVisiblePinTabsWithoutCollapsed);
+         index = Math.min(index, allItems.length);
        }
- 
        /** @type {MozTabbrowserTab|undefined} */
--      let itemAfter = this.tabContainer.ariaFocusableItems.at(index);
+-      let itemAfter = allItems.at(index);
-+      let itemAfter = this.tabContainer.ariaFocusableItems.filter(tab => !tab.hasAttribute("zen-glance-tab")).at(index);
++      let itemAfter = gZenGlanceManager.getTabOrGlanceParent(allItems.at(index));
+ 
+       // Prevent a flash of unstyled content by setting up the tab content
+       // and inherited attributes before appending it (see Bug 1592054):
+@@ -3947,7 +4037,7 @@
+ 
        this.tabContainer._invalidateCachedTabs();
  
 -      if (tabGroup) {
@@ -422,7 +389,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
          if (this.isTab(itemAfter) && itemAfter.group == tabGroup) {
            // Place at the front of, or between tabs in, the same tab group
            this.tabContainer.insertBefore(tab, itemAfter);
-@@ -4290,6 +4413,9 @@
+@@ -4268,6 +4358,9 @@
          return;
        }
  
@@ -432,7 +399,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        this.removeTabs(selectedTabs, { telemetrySource });
      }
  
-@@ -4542,6 +4668,7 @@
+@@ -4520,6 +4613,7 @@
          telemetrySource,
        } = {}
      ) {
@@ -440,7 +407,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        // When 'closeWindowWithLastTab' pref is enabled, closing all tabs
        // can be considered equivalent to closing the window.
        if (
-@@ -4626,6 +4753,7 @@
+@@ -4604,6 +4698,7 @@
          if (lastToClose) {
            this.removeTab(lastToClose, aParams);
          }
@@ -448,20 +415,12 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        } catch (e) {
          console.error(e);
        }
-@@ -4650,6 +4778,7 @@
+@@ -4641,6 +4736,12 @@
-         telemetrySource,
-       } = {}
-     ) {
-+      gZenUIManager.saveScrollbarState();
-       if (UserInteraction.running("browser.tabs.opening", window)) {
-         UserInteraction.finish("browser.tabs.opening", window);
-       }
-@@ -4663,6 +4792,12 @@
          aTab._closeTimeNoAnimTimerId = Glean.browserTabclose.timeNoAnim.start();
        }
  
-+      if (ZenWorkspaces.workspaceEnabled) {
++      if (gZenWorkspaces.workspaceEnabled) {
-+        let newTab = ZenWorkspaces.handleTabBeforeClose(aTab, closeWindowWithLastTab);
++        let newTab = gZenWorkspaces.handleTabBeforeClose(aTab, closeWindowWithLastTab);
 +        if (newTab) {
 +          this.selectedTab = newTab;
 +        }
@@ -469,7 +428,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        // Handle requests for synchronously removing an already
        // asynchronously closing tab.
        if (!animate && aTab.closing) {
-@@ -4677,7 +4812,9 @@
+@@ -4655,7 +4756,9 @@
        // frame created for it (for example, by updating the visually selected
        // state).
        let tabWidth = window.windowUtils.getBoundsWithoutFlushing(aTab).width;
@@ -480,97 +439,86 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
        if (
          !this._beginRemoveTab(aTab, {
            closeWindowFastpath: true,
-@@ -4840,7 +4977,7 @@
+@@ -4821,7 +4924,7 @@
            closeWindowWithLastTab != null
              ? closeWindowWithLastTab
              : !window.toolbar.visible ||
 -              Services.prefs.getBoolPref("browser.tabs.closeWindowWithLastTab");
-+            Services.prefs.getBoolPref("browser.tabs.closeWindowWithLastTab") && !ZenWorkspaces._isClosingWindow && !ZenWorkspaces._removedByStartupPage;
++            Services.prefs.getBoolPref("browser.tabs.closeWindowWithLastTab") && !gZenWorkspaces._isClosingWindow && !gZenWorkspaces._removedByStartupPage;
  
          if (closeWindow) {
            // We've already called beforeunload on all the relevant tabs if we get here,
-@@ -4864,6 +5001,7 @@
+@@ -4845,6 +4948,7 @@
  
          newTab = true;
        }
-+      ZenWorkspaces._removedByStartupPage = false;
++      gZenWorkspaces._removedByStartupPage = false;
        aTab._endRemoveArgs = [closeWindow, newTab];
  
        // swapBrowsersAndCloseOther will take care of closing the window without animation.
-@@ -4903,9 +5041,7 @@
+@@ -4885,9 +4989,7 @@
        aTab._mouseleave();
  
        if (newTab) {
 -        this.addTrustedTab(BROWSER_NEW_TAB_URL, {
 -          skipAnimation: true,
 -        });
-+        ZenWorkspaces.selectEmptyTab(BROWSER_NEW_TAB_URL);
++        gZenWorkspaces.selectEmptyTab(BROWSER_NEW_TAB_URL);
        } else {
          TabBarVisibility.update();
        }
-@@ -5034,6 +5170,8 @@
+@@ -5016,6 +5118,8 @@
          this.tabs[i]._tPos = i;
        }
  
-+      ZenWorkspaces.updateTabsContainers();
++      gZenWorkspaces.updateTabsContainers();
 +
        if (!this._windowIsClosing) {
          if (wasPinned) {
            this.tabContainer._positionPinnedTabs();
-@@ -5159,8 +5297,8 @@
+@@ -5230,6 +5334,7 @@
-       return closedCount;
-     }
- 
--    async explicitUnloadTabs(tabs) {
--      let unloadBlocked = await this.runBeforeUnloadForTabs(tabs);
-+    async explicitUnloadTabs(tabs, skipPermitUnload = false) {
-+      let unloadBlocked = skipPermitUnload ? false : await this.runBeforeUnloadForTabs(tabs);
-       if (unloadBlocked) {
-         return;
-       }
-@@ -5248,6 +5386,7 @@
        }
  
        let excludeTabs = new Set(aExcludeTabs);
-+      ZenWorkspaces.getTabsToExclude(aTab).forEach(tab => excludeTabs.add(tab));
++      gZenWorkspaces.getTabsToExclude(aTab).forEach(tab => excludeTabs.add(tab));
  
        // If this tab has a successor, it should be selectable, since
        // hiding or closing a tab removes that tab as a successor.
-@@ -5260,13 +5399,13 @@
+@@ -5242,13 +5347,13 @@
          !excludeTabs.has(aTab.owner) &&
          Services.prefs.getBoolPref("browser.tabs.selectOwnerOnClose")
        ) {
 -        return aTab.owner;
-+        return ZenWorkspaces.findTabToBlur(aTab.owner);
++        return gZenWorkspaces.findTabToBlur(aTab.owner);
        }
  
        // Try to find a remaining tab that comes after the given tab
        let remainingTabs = Array.prototype.filter.call(
          this.visibleTabs,
 -        tab => !excludeTabs.has(tab)
-+        tab => !excludeTabs.has(tab) && ZenWorkspaces._shouldChangeToTab(tab)
++        tab => !excludeTabs.has(tab) && gZenWorkspaces._shouldChangeToTab(tab)
        );
  
        let tab = this.tabContainer.findNextTab(aTab, {
-@@ -5282,7 +5421,7 @@
+@@ -5264,7 +5369,7 @@
        }
  
        if (tab) {
 -        return tab;
-+        return ZenWorkspaces.findTabToBlur(tab);
++        return gZenWorkspaces.findTabToBlur(tab);
        }
  
        // If no qualifying visible tab was found, see if there is a tab in
-@@ -5303,7 +5442,7 @@
+@@ -5285,7 +5390,7 @@
          });
        }
  
 -      return tab;
-+      return ZenWorkspaces.findTabToBlur(tab);
++      return gZenWorkspaces.findTabToBlur(tab);
      }
  
      _blurTab(aTab) {
-@@ -5704,10 +5843,10 @@
+@@ -5686,10 +5791,10 @@
        SessionStore.deleteCustomTabValue(aTab, "hiddenBy");
      }
  
@@ -583,21 +531,22 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
          aTab.selected ||
          aTab.closing ||
          // Tabs that are sharing the screen, microphone or camera cannot be hidden.
-@@ -6001,7 +6140,7 @@
+@@ -5986,7 +6091,7 @@
  
        // Don't allow mixing pinned and unpinned tabs.
        if (this.isTab(element) && element.pinned) {
 -        tabIndex = Math.min(tabIndex, this.pinnedTabCount - 1);
-+        tabIndex = element.hasAttribute('zen-essential') ? Math.min(tabIndex, this._numZenEssentials - 1) : Math.min(tabIndex, this.pinnedTabCount - 1);
++        tabIndex = element.hasAttribute('zen-essential') ? Math.min(tabIndex, this._numZenEssentials - 1) : Math.min(Math.max(tabIndex, this._numZenEssentials), this.pinnedTabCount - 1);
        } else {
          tabIndex = Math.max(tabIndex, this.pinnedTabCount);
        }
-@@ -6028,9 +6167,16 @@
+@@ -6012,10 +6117,16 @@
+       this.#handleTabMove(
          element,
          () => {
-           let neighbor = this.tabs[tabIndex];
+-          let neighbor = this.tabs[tabIndex];
--          if (forceUngrouped && neighbor.group) {
+-          if (forceUngrouped && neighbor?.group) {
-+          const _tPos = element._tPos;
++          let neighbor = gZenGlanceManager.getTabOrGlanceParent(this.tabs[tabIndex]);
 +          if ((forceUngrouped && neighbor?.group) || neighbor?.group?.hasAttribute("split-view-group")) {
              neighbor = neighbor.group;
            }
@@ -610,7 +559,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
            if (neighbor && this.isTab(element) && tabIndex > element._tPos) {
              neighbor.after(element);
            } else {
-@@ -6099,7 +6245,9 @@
+@@ -6084,17 +6195,29 @@
            targetElement = targetElement.group;
          }
        }
@@ -619,23 +568,32 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
 +        element = element.group;
 +      }
        // Don't allow mixing pinned and unpinned tabs.
-       if (element.pinned && !targetElement?.pinned) {
+-      if (element.pinned && !targetElement?.pinned) {
-         targetElement = this.tabs[this.pinnedTabCount - 1];
+-        targetElement = this.tabs[this.pinnedTabCount - 1];
-@@ -6109,7 +6257,13 @@
++      if (element.hasAttribute('zen-essential') && !targetElement?.hasAttribute('zen-essential')) {
++        targetElement = this.tabs.filter(tab => !tab.hasAttribute('zen-glance-tab'))[this._numZenEssentials - 1];
++        moveBefore = false;
++      } else if (element.pinned && !targetElement?.pinned) {
++        targetElement = this.tabs.filter(tab => !tab.hasAttribute('zen-glance-tab'))[this.pinnedTabCount - 1];
+         moveBefore = false;
+       } else if (!element.pinned && targetElement && targetElement.pinned) {
+-        targetElement = this.tabs[this.pinnedTabCount];
++        targetElement = this.tabs.filter(tab => !tab.hasAttribute('zen-glance-tab'))[this.pinnedTabCount];
          moveBefore = true;
        }
  
 +      if (targetElement?.group?.hasAttribute("split-view-group")) {
 +        targetElement = targetElement.group;
 +      }
++      targetElement = gZenGlanceManager.getTabOrGlanceParent(targetElement);
        let getContainer = () => {
 +        if (element.hasAttribute("zen-essential")) {
-+          return ZenWorkspaces.getEssentialsSection(element);
++          return gZenWorkspaces.getEssentialsSection(element);
 +        }
          if (element.pinned && this.tabContainer.verticalMode) {
            return this.tabContainer.verticalPinnedTabsContainer;
          }
-@@ -6169,7 +6323,7 @@
+@@ -6154,7 +6277,7 @@
        if (!this.isTab(aTab)) {
          throw new Error("Can only move a tab into a tab group");
        }
@@ -644,27 +602,27 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
          return;
        }
        if (aTab.group && aTab.group.id === aGroup.id) {
-@@ -6263,6 +6417,10 @@
+@@ -6248,6 +6371,10 @@
  
        moveActionCallback();
  
-+      ZenWorkspaces._makeSureEmptyTabIsLast();
++      gZenWorkspaces._makeSureEmptyTabIsLast();
 +      gZenViewSplitter._maybeRemoveFakeBrowser(false);
 +      gZenViewSplitter._canDrop = false;
 +
        // Clear tabs cache after moving nodes because the order of tabs may have
        // changed.
        this.tabContainer._invalidateCachedTabs();
-@@ -7080,7 +7238,7 @@
+@@ -7145,7 +7272,7 @@
              // preventDefault(). It will still raise the window if appropriate.
              break;
            }
 -          this.selectedTab = tab;
-+          ZenWorkspaces.switchTabIfNeeded(tab);
++          gZenWorkspaces.switchTabIfNeeded(tab);
            window.focus();
            aEvent.preventDefault();
            break;
-@@ -7981,6 +8139,7 @@
+@@ -8044,6 +8171,7 @@
              aWebProgress.isTopLevel
            ) {
              this.mTab.setAttribute("busy", "true");
@@ -672,7 +630,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
              gBrowser._tabAttrModified(this.mTab, ["busy"]);
              this.mTab._notselectedsinceload = !this.mTab.selected;
            }
-@@ -8954,7 +9113,7 @@ var TabContextMenu = {
+@@ -9009,7 +9137,7 @@ var TabContextMenu = {
      );
      contextUnpinSelectedTabs.hidden =
        !this.contextTab.pinned || !this.multiselected;
@@ -681,7 +639,7 @@ index 6dece2b9d0462d90a28e75350ce983d87816ef73..fdcfd020326b45eb23cbe74d0ce53a06
      // Move Tab items
      let contextMoveTabOptions = document.getElementById(
        "context_moveTabOptions"
-@@ -9223,6 +9382,7 @@ var TabContextMenu = {
+@@ -9278,6 +9406,7 @@ var TabContextMenu = {
          telemetrySource: gBrowser.TabMetrics.METRIC_SOURCE.TAB_STRIP,
        });
      } else {

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

@@ -0,0 +1,13 @@
+diff --git a/browser/components/tabbrowser/content/tabgroup.js b/browser/components/tabbrowser/content/tabgroup.js
+index 6dc774ea335b0c5dba7dcf76cdb23728faae1343..b0b9ef236c2e8517db4bcf3270596456bbefe11d 100644
+--- a/browser/components/tabbrowser/content/tabgroup.js
++++ b/browser/components/tabbrowser/content/tabgroup.js
+@@ -301,7 +301,7 @@
+      */
+     addTabs(tabs, metricsContext) {
+       for (let tab of tabs) {
+-        if (tab.pinned) {
++        if (tab.pinned !== this.pinned) {
+           tab.ownerGlobal.gBrowser.unpinTab(tab);
+         }
+         let tabToMove =

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

@@ -1,5 +1,5 @@
 diff --git a/browser/components/tabbrowser/content/tabs.js b/browser/components/tabbrowser/content/tabs.js
-index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771c299f2ca 100644
+index 84d633471c89230b981d8a07babef4e0c76c0338..de8b1ecf7cb844f6cf3e66a41b6024c574dfc103 100644
 --- a/browser/components/tabbrowser/content/tabs.js
 +++ b/browser/components/tabbrowser/content/tabs.js
 @@ -83,7 +83,7 @@
@@ -11,33 +11,33 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
          }
          return true;
        };
-@@ -342,7 +342,7 @@
+@@ -293,6 +293,7 @@
+     on_TabGroupCollapse(event) {
+       this._invalidateCachedVisibleTabs();
+       this._unlockTabSizing();
++      return;
+ 
+       // If the user's selected tab is in the collapsing group, kick them off
+       // the tab. If no tabs exist outside the group, create a new one and
+@@ -349,7 +350,7 @@
        // and we're not hitting the scroll buttons.
        if (
          event.button != 0 ||
 -        event.target != this.arrowScrollbox ||
-+        event.target != document.getElementById("zen-tabs-wrapper") ||
++        !event.target.classList.contains("zen-workspace-normal-tabs-section") ||
          event.composedTarget.localName == "toolbarbutton"
        ) {
          return;
-@@ -391,6 +391,7 @@
+@@ -699,7 +700,7 @@
-             // Reset the "ignored click" flag
-             target._ignoredCloseButtonClicks = false;
-           }
-+          gZenUIManager.saveScrollbarState();
-         }
- 
-         /* Protects from close-tab-button errant doubleclick:
-@@ -692,7 +693,7 @@
        if (this.#isContainerVerticalPinnedGrid(tab)) {
          // In expanded vertical mode, the max number of pinned tabs per row is dynamic
          // Set this before adjusting dragged tab's position
 -        let pinnedTabs = this.visibleTabs.slice(0, gBrowser.pinnedTabCount);
-+        let pinnedTabs = this.visibleTabs.filter(tab => !tab.hasAttribute("zen-glance-tab")).slice(0, gBrowser._numZenEssentials);
++        let pinnedTabs = this.ariaFocusableItems.slice(0, gBrowser._numZenEssentials);
          let tabsPerRow = 0;
          let position = 0;
          for (let pinnedTab of pinnedTabs) {
-@@ -764,7 +765,7 @@
+@@ -772,7 +773,7 @@
          } else if (isTabGroupLabel(tab) && !tab.group.collapsed) {
            this._lockTabSizing();
            this.#keepTabSizeLocked = true;
@@ -46,7 +46,16 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
            expandGroupOnDrop = true;
          }
        }
-@@ -913,6 +914,10 @@
+@@ -868,7 +869,7 @@
+           ? event.screenY - window.screenY - tabOffset
+           : event.screenY - window.screenY,
+         scrollPos:
+-          this.verticalMode && tab.pinned
++          this.verticalMode && tab.pinned && false
+             ? this.verticalPinnedTabsContainer.scrollPosition
+             : this.arrowScrollbox.scrollPosition,
+         screenX: event.screenX,
+@@ -921,6 +922,10 @@
        }
  
        let draggedTab = event.dataTransfer.mozGetDataAt(TAB_DROP_TYPE, 0);
@@ -57,7 +66,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
        if (
          (effects == "move" || effects == "copy") &&
          document == draggedTab.ownerDocument &&
-@@ -1069,6 +1074,18 @@
+@@ -1077,6 +1082,18 @@
  
        this._tabDropIndicator.hidden = true;
        event.stopPropagation();
@@ -76,32 +85,38 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
        if (draggedTab && dropEffect == "copy") {
          let duplicatedDraggedTab;
          let duplicatedTabs = [];
-@@ -1108,10 +1125,11 @@
+@@ -1116,10 +1133,11 @@
            }
          } else {
            let isPinned = draggedTab.pinned;
 -          let numPinned = gBrowser.pinnedTabCount;
--          let tabs = this.ariaFocusableItems.slice(
--            isPinned ? 0 : numPinned,
--            isPinned ? numPinned : undefined
 +          let numPinned = gBrowser._numVisiblePinTabsWithoutCollapsed;
 +          let essential = draggedTab.hasAttribute("zen-essential");
-+          let tabs = this.ariaFocusableItems.filter(tab => !tab.hasAttribute("zen-glance-tab")).slice(
+           let tabs = this.ariaFocusableItems.slice(
+-            isPinned ? 0 : numPinned,
+-            isPinned ? numPinned : undefined
 +            isPinned ? (essential ? 0 : gBrowser._numZenEssentials) : numPinned,
 +            isPinned ? (essential ? gBrowser._numZenEssentials : numPinned) : undefined
            );
            let size = this.verticalMode ? "height" : "width";
            let screenAxis = this.verticalMode ? "screenY" : "screenX";
-@@ -1203,7 +1221,7 @@
+@@ -1135,8 +1153,14 @@
-                 item.removeAttribute("tabdrop-samewindow");
+             (lastMovingTabScreen + tabSize);
-                 resolve();
+ 
-               };
+           if (this.verticalMode) {
--              if (gReduceMotion) {
++            if (oldTranslateY > 0 && translateOffsetY > tabHeight / 2) {
-+              if (true || gReduceMotion) {
++              newTranslateY += tabHeight;
-                 postTransitionCleanup();
++            }
-               } else {
++            if (oldTranslateY < 0 && -translateOffsetY > tabHeight / 2) {
-                 let onTransitionEnd = transitionendEvent => {
++              newTranslateY -= tabHeight;
-@@ -1327,6 +1345,7 @@
++            }
+             newTranslateY = Math.min(
+-              Math.max(oldTranslateY, firstBound),
++              Math.max(newTranslateY, firstBound),
+               lastBound
+             );
+           } else {
+@@ -1337,6 +1361,7 @@
  
            let nextItem = this.ariaFocusableItems[newIndex];
            let tabGroup = isTab(nextItem) && nextItem.group;
@@ -109,7 +124,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
            gBrowser.loadTabs(urls, {
              inBackground,
              replace,
-@@ -1359,6 +1378,17 @@
+@@ -1369,6 +1394,17 @@
  
        this.finishMoveTogetherSelectedTabs(draggedTab);
        this.finishAnimateTabMove();
@@ -127,21 +142,21 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
        this.#expandGroupOnDrop(draggedTab);
  
        if (
-@@ -1582,7 +1612,7 @@
+@@ -1597,7 +1633,7 @@
      }
  
      get newTabButton() {
 -      return this.querySelector("#tabs-newtab-button");
-+      return ZenWorkspaces.activeWorkspaceStrip.querySelector("#tabs-newtab-button");
++      return gZenWorkspaces.activeWorkspaceStrip.querySelector("#tabs-newtab-button");
      }
  
      get verticalMode() {
-@@ -1606,29 +1636,41 @@
+@@ -1621,29 +1657,54 @@
        if (this.#allTabs) {
          return this.#allTabs;
        }
 -      let children = Array.from(this.arrowScrollbox.children);
-+      let children = ZenWorkspaces.tabboxChildren;
++      let children = gZenWorkspaces.tabboxChildren;
        // remove arrowScrollbox periphery element
        children.pop();
  
@@ -151,51 +166,55 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
 -      for (let i = children.length - 1; i >= 0; i--) {
 -        if (children[i].tagName == "tab-group") {
 -          children.splice(i, 1, ...children[i].tabs);
--        }
++      const pinnedTabs = [...gZenWorkspaces.getCurrentEssentialsContainer().children, ...this.verticalPinnedTabsContainer.children];
--      }
++      const expandTabs = (tabs) => {
- 
++        for (let i = tabs.length - 1; i >= 0; i--) {
-       this.#allTabs = [
++          const tab = tabs[i];
++          if (isTabGroup(tab)) {
++            // remove the group from the list
++            tabs.splice(i, 1);
++            // add the tabs in the group to the list
++            tabs.splice(i, 0, ...tab.tabs);
++          }
+         }
+       }
+-
+-      this.#allTabs = [
 -        ...this.verticalPinnedTabsContainer.children,
-+        ...ZenWorkspaces.getCurrentEssentialsContainer().children, ...this.verticalPinnedTabsContainer.children,
++      expandTabs(pinnedTabs);
++      expandTabs(children);
++      const allTabs = [
++        ...pinnedTabs,
          ...children,
        ];
-+      const lastPinnedTabIdx = gBrowser.pinnedTabCount;
++      const lastPinnedTabIdx = pinnedTabs.length - 1;
-+      for (let i = 0; i < this.#allTabs.length; i++) {
++      let i = 0;
++      for (const tab of [...allTabs]) {
 +        // add glance tabs (tabs inside tabs) to the list
-+        const glanceTab = this.#allTabs[i].querySelector("tab[zen-glance-tab]");
++        const glanceTab = tab.glanceTab;
 +        if (glanceTab) {
 +          // insert right after the parent tab. note: it must be inserted before
 +          // the last pinned tab so it can be inserted in the correct order
-+          this.#allTabs.splice(Math.max(i + 1, lastPinnedTabIdx), 0, glanceTab);
++          allTabs.splice(Math.max(i++ + 1, lastPinnedTabIdx), 0, glanceTab);
-+          i++;
++        } else if (tab.classList.contains("vertical-pinned-tabs-container-separator")) {
-+        } else if (this.#allTabs[i].classList.contains("vertical-pinned-tabs-container-separator")) {
 +          // remove the separator from the list
-+          this.#allTabs.splice(i, 1);
++          allTabs.splice(i, 1);
 +          i--;
-+        } else if (this.#allTabs[i].tagName == "tab-group") {
-+          this.#allTabs.splice(i, 1, ...this.#allTabs[i].tabs);
 +        }
++        i++;
 +      }
++      this.#allTabs = allTabs;
        return this.#allTabs;
      }
  
      get allGroups() {
        let children = Array.from(this.arrowScrollbox.children);
 -      return children.filter(node => node.tagName == "tab-group");
-+      return ZenWorkspaces.allTabGroups;
++      return gZenWorkspaces.allTabGroups;
      }
  
      /**
-@@ -1648,7 +1690,7 @@
+@@ -1698,23 +1759,18 @@
-      */
-     get visibleTabs() {
-       if (!this.#visibleTabs) {
--        this.#visibleTabs = this.openTabs.filter(tab => tab.visible);
-+        this.#visibleTabs = this.openTabs.filter(tab => tab.visible && !tab.hasAttribute("zen-empty-tab"));
-       }
-       return this.#visibleTabs;
-     }
-@@ -1683,23 +1725,18 @@
        }
  
        let elementIndex = 0;
@@ -207,11 +226,11 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
 -      }
 -      let children = Array.from(this.arrowScrollbox.children);
 +      let verticalPinnedTabsContainer = this.verticalPinnedTabsContainer
-+      let children = ZenWorkspaces.tabboxChildrenWithoutEmpty;
++      let children = gZenWorkspaces.tabboxChildrenWithoutEmpty;
  
        let focusableItems = [];
 -      for (let child of children) {
-+      for (let child of [...ZenWorkspaces.getCurrentEssentialsContainer().children, ...verticalPinnedTabsContainer.children, ...children]) {
++      for (let child of [...gZenWorkspaces.getCurrentEssentialsContainer().children, ...verticalPinnedTabsContainer.children, ...children]) {
          if (isTab(child) && child.visible) {
            child.elementIndex = elementIndex++;
            focusableItems.push(child);
@@ -223,15 +242,8 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
              let visibleTabsInGroup = child.tabs.filter(tab => tab.visible);
              visibleTabsInGroup.forEach(tab => {
                tab.elementIndex = elementIndex++;
-@@ -1707,12 +1744,14 @@
+@@ -1724,10 +1780,7 @@
-             focusableItems.push(...visibleTabsInGroup);
-           }
          }
-+        let glanceTab = child.querySelector("tab[zen-glance-tab]");
-+        if (isTab(child) && glanceTab) {
-+          glanceTab.elementIndex = elementIndex++;
-+          focusableItems.push(glanceTab);
-+        }
        }
  
 -      this.#focusableItems = [
@@ -242,15 +254,15 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
  
        return this.#focusableItems;
      }
-@@ -1720,6 +1759,7 @@
+@@ -1735,6 +1788,7 @@
      _invalidateCachedTabs() {
        this.#allTabs = null;
        this._invalidateCachedVisibleTabs();
-+      ZenWorkspaces._allStoredTabs = null;
++      gZenWorkspaces._allStoredTabs = null;
      }
  
      _invalidateCachedVisibleTabs() {
-@@ -1734,8 +1774,8 @@
+@@ -1749,8 +1803,8 @@
      #isContainerVerticalPinnedGrid(tab) {
        return (
          this.verticalMode &&
@@ -261,25 +273,25 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
          !this.expandOnHover
        );
      }
-@@ -1751,7 +1791,7 @@
+@@ -1766,7 +1820,7 @@
  
        if (node == null) {
          // We have a container for non-tab elements at the end of the scrollbox.
 -        node = this.arrowScrollbox.lastChild;
-+        node = ZenWorkspaces.activeWorkspaceStrip.lastChild;
++        node = gZenWorkspaces.activeWorkspaceStrip.lastChild;
        }
  
        node.before(tab);
-@@ -1846,7 +1886,7 @@
+@@ -1861,7 +1915,7 @@
            // There are separate "new tab" buttons for horizontal tabs toolbar, vertical tabs and
            // for when the tab strip is overflowed (which is shared by vertical and horizontal tabs);
            // Attach the long click popup to all of them.
 -          const newTab = document.getElementById("new-tab-button");
-+          const newTab = ZenWorkspaces.activeWorkspaceStrip.querySelector("#tabs-newtab-button");
++          const newTab = gZenWorkspaces.activeWorkspaceStrip.querySelector("#tabs-newtab-button");
            const newTab2 = this.newTabButton;
            const newTabVertical = document.getElementById(
              "vertical-tabs-newtab-button"
-@@ -1941,10 +1981,12 @@
+@@ -1956,10 +2010,12 @@
  
      _handleTabSelect(aInstant) {
        let selectedTab = this.selectedItem;
@@ -292,89 +304,53 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
        selectedTab._notselectedsinceload = false;
      }
  
-@@ -2085,16 +2127,15 @@
+@@ -2132,6 +2188,7 @@
-       // Move pinned tabs to another container when the tabstrip is toggled to vertical
-       // and when session restore code calls _positionPinnedTabs; update styling whenever
-       // the number of pinned tabs changes.
--      let verticalTabsContainer = document.getElementById(
--        "vertical-pinned-tabs-container"
--      );
-+      let verticalTabsContainer = this.verticalPinnedTabsContainer;
-       let numPinned = gBrowser.pinnedTabCount;
--
--      if (gBrowser.pinnedTabCount !== verticalTabsContainer.children.length) {
--        let tabs = this.visibleTabs;
-+      if (!ZenWorkspaces._hasInitializedTabsStrip) return;
-+      let count = ZenWorkspaces.makeSurePinTabIsInCorrectPosition();
-+      if (gBrowser.pinnedTabCount !== (verticalTabsContainer.children.length - count - 1 + ZenWorkspaces.getCurrentEssentialsContainer().children.length)) {
-+        let tabs = this.allTabs.filter(tab => !tab.hasAttribute("zen-glance-tab"));
-         for (let i = 0; i < numPinned; i++) {
-           tabs[i].style.marginInlineStart = "";
--          verticalTabsContainer.appendChild(tabs[i]);
-+          tabs[i].hasAttribute("zen-essential") ? ZenWorkspaces.getCurrentEssentialsContainer().appendChild(tabs[i].group?.hasAttribute("split-view-group") ? tabs[i].group : tabs[i]) : verticalTabsContainer.insertBefore(tabs[i].group?.hasAttribute("split-view-group") ? tabs[i].group : tabs[i], verticalTabsContainer.lastChild);
-         }
-       }
- 
-@@ -2102,9 +2143,7 @@
-     }
- 
-     _resetVerticalPinnedTabs() {
--      let verticalTabsContainer = document.getElementById(
--        "vertical-pinned-tabs-container"
--      );
-+      let verticalTabsContainer = this.verticalPinnedTabsContainer;
- 
-       if (!verticalTabsContainer.children.length) {
-         return;
-@@ -2117,7 +2156,7 @@
      }
  
      _positionPinnedTabs() {
--      let tabs = this.visibleTabs;
++      if (true) return;
-+      let tabs = this.visibleTabs.filter(tab => !tab.hasAttribute("zen-glance-tab"));
+       let tabs = this.visibleTabs;
        let numPinned = gBrowser.pinnedTabCount;
        let absPositionHorizontalTabs =
-         this.overflowing && tabs.length > numPinned && numPinned > 0;
+@@ -2206,7 +2263,7 @@
-@@ -2127,7 +2166,7 @@
- 
-       if (this.verticalMode) {
-         this._updateVerticalPinnedTabs();
--      } else if (absPositionHorizontalTabs) {
-+      } else if (absPositionHorizontalTabs && false) {
-         let layoutData = this._pinnedTabsLayoutCache;
-         let uiDensity = document.documentElement.getAttribute("uidensity");
-         if (!layoutData || layoutData.uiDensity != uiDensity) {
-@@ -2191,7 +2230,7 @@
          return;
        }
  
 -      let tabs = this.visibleTabs.slice(0, gBrowser.pinnedTabCount);
-+      let tabs = this.visibleTabs.filter(tab => !tab.hasAttribute("zen-glance-tab")).slice(0, gBrowser._numZenEssentials);
++      let tabs = this.ariaFocusableItems.slice(0, gBrowser._numZenEssentials);
  
        let directionX = screenX > dragData.animLastScreenX;
        let directionY = screenY > dragData.animLastScreenY;
-@@ -2199,7 +2238,7 @@
+@@ -2215,6 +2272,8 @@
-       dragData.animLastScreenX = screenX;
  
        let { width: tabWidth, height: tabHeight } =
--        draggedTab.getBoundingClientRect();
+         draggedTab.getBoundingClientRect();
-+        (draggedTab.group?.hasAttribute("split-view-group") ? draggedTab.group : draggedTab).getBoundingClientRect();
++      tabWidth += 4; // Add 4px to account for the gap
++      tabHeight += 4;
        let shiftSizeX = tabWidth * movingTabs.length;
        let shiftSizeY = tabHeight;
        dragData.tabWidth = tabWidth;
-@@ -2374,12 +2413,16 @@
+@@ -2244,7 +2303,7 @@
+       let translateX = screenX - dragData.screenX;
+       let translateY = screenY - dragData.screenY;
+       translateY +=
+-        this.verticalPinnedTabsContainer.scrollPosition - dragData.scrollPos;
++        dragData.scrollPos;
+       let firstBoundX = firstTabInRow.screenX - firstMovingTabScreenX;
+       let firstBoundY = firstTabInRow.screenY - firstMovingTabScreenY;
+       let lastBoundX =
+@@ -2389,12 +2448,16 @@
  
        this.#clearDragOverCreateGroupTimer();
  
 -      let isPinned = draggedTab.pinned;
 -      let numPinned = gBrowser.pinnedTabCount;
--      let tabs = this.ariaFocusableItems.slice(
--        isPinned ? 0 : numPinned,
--        isPinned ? numPinned : undefined
 +      let isPinned = draggedTab?.group ? draggedTab.group.pinned : draggedTab.pinned;
 +      let numPinned = gBrowser._numVisiblePinTabsWithoutCollapsed;
 +      let essential = draggedTab.hasAttribute("zen-essential");
-+      let tabs = this.ariaFocusableItems.filter(tab => !tab.hasAttribute("zen-glance-tab")).slice(
+       let tabs = this.ariaFocusableItems.slice(
+-        isPinned ? 0 : numPinned,
+-        isPinned ? numPinned : undefined
 +        isPinned ? (essential ? 0 : gBrowser._numZenEssentials) : numPinned,
 +        isPinned ? (essential ? gBrowser._numZenEssentials : numPinned) : undefined
        );
@@ -384,7 +360,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
  
        if (this.#rtlMode) {
          tabs.reverse();
-@@ -2393,7 +2436,7 @@
+@@ -2408,7 +2471,7 @@
        let size = this.verticalMode ? "height" : "width";
        let translateAxis = this.verticalMode ? "translateY" : "translateX";
        let scrollDirection = this.verticalMode ? "scrollTop" : "scrollLeft";
@@ -393,7 +369,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
        let translateX = event.screenX - dragData.screenX;
        let translateY = event.screenY - dragData.screenY;
  
-@@ -2407,10 +2450,19 @@
+@@ -2422,12 +2485,21 @@
        let lastTab = tabs.at(-1);
        let lastMovingTab = movingTabs.at(-1);
        let firstMovingTab = movingTabs[0];
@@ -411,9 +387,12 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
 +        shiftSize += 5; // A hack to allow more space for the group
 +      }
        let translate = screen - dragData[screenAxis];
-       if (!isPinned) {
+-      if (!isPinned) {
++      if (true) {
          translate +=
-@@ -2431,6 +2483,9 @@
+           this.arrowScrollbox.scrollbox[scrollDirection] - dragData.scrollPos;
+       } else if (isPinned && this.verticalMode) {
+@@ -2446,6 +2518,9 @@
            // Shift the `.tab-group-label-container` to shift the label element.
            item = item.parentElement;
          }
@@ -423,7 +402,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
          item.style.transform = `${translateAxis}(${translate}px)`;
        }
  
-@@ -2568,6 +2623,9 @@
+@@ -2583,6 +2658,9 @@
              break;
            }
            let element = tabs[mid];
@@ -433,7 +412,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
            let elementForSize = isTabGroupLabel(element)
              ? element.parentElement
              : element;
-@@ -2590,6 +2648,10 @@
+@@ -2605,6 +2683,10 @@
        if (!dropElement) {
          dropElement = this.ariaFocusableItems[oldDropElementIndex];
        }
@@ -444,7 +423,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
        let newDropElementIndex = dropElement
          ? dropElement.elementIndex
          : oldDropElementIndex;
-@@ -2598,7 +2660,7 @@
+@@ -2613,7 +2695,7 @@
        let shouldCreateGroupOnDrop;
        let dropBefore;
        if (dropElement) {
@@ -453,7 +432,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
            ? dropElement.parentElement
            : dropElement;
  
-@@ -2660,12 +2722,12 @@
+@@ -2675,12 +2757,12 @@
          }
        }
  
@@ -468,7 +447,16 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
            dropElement != draggedTab &&
            isTab(dropElement) &&
            !dropElement?.group &&
-@@ -2735,7 +2797,7 @@
+@@ -2720,7 +2802,7 @@
+               // Dropping right before the tab group.
+               dropElement = dropElementGroup;
+               colorCode = undefined;
+-            } else if (dropElementGroup.collapsed) {
++            } else if (dropElement?.group?.hasAttribute("split-view-group")) {
+               // Dropping right after the collapsed tab group.
+               dropElement = dropElementGroup;
+               colorCode = undefined;
+@@ -2750,7 +2832,7 @@
        // Shift background tabs to leave a gap where the dragged tab
        // would currently be dropped.
        for (let item of tabs) {
@@ -477,7 +465,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
            continue;
          }
  
-@@ -2744,6 +2806,9 @@
+@@ -2759,6 +2841,9 @@
          if (isTabGroupLabel(item)) {
            // Shift the `.tab-group-label-container` to shift the label element.
            item = item.parentElement;
@@ -487,7 +475,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
          }
          item.style.transform = transform;
        }
-@@ -2796,8 +2861,9 @@
+@@ -2811,8 +2896,9 @@
        );
      }
  
@@ -499,7 +487,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
          return;
        }
  
-@@ -2809,6 +2875,12 @@
+@@ -2824,6 +2910,12 @@
            item = item.parentElement;
          }
          item.style.transform = "";
@@ -512,7 +500,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
          item.removeAttribute("dragover-createGroup");
        }
        this.removeAttribute("movingtab-createGroup");
-@@ -2855,7 +2927,7 @@
+@@ -2870,7 +2962,7 @@
          let postTransitionCleanup = () => {
            movingTab._moveTogetherSelectedTabsData.animate = false;
          };
@@ -521,7 +509,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
            postTransitionCleanup();
          } else {
            let onTransitionEnd = transitionendEvent => {
-@@ -3028,7 +3100,7 @@
+@@ -3043,7 +3135,7 @@
      }
  
      _notifyBackgroundTab(aTab) {
@@ -530,7 +518,7 @@ index ef9c0389ec926e6bc01c0dc3b883beceaf1f7d43..1a3aa415d08379b00960de398808e771
          return;
        }
  
-@@ -3154,6 +3226,9 @@
+@@ -3169,6 +3261,9 @@
            return null;
          }
        }

src/browser/components/urlbar/UrlbarInput-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/urlbar/UrlbarInput.sys.mjs b/browser/components/urlbar/UrlbarInput.sys.mjs
-index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890eb83047e1 100644
+index 0c5145c3d31862bd2c6b5ed2faa88f02425ffde1..1cf86995514b2c00360f6ed681f0c640dac8ab56 100644
 --- a/browser/components/urlbar/UrlbarInput.sys.mjs
 +++ b/browser/components/urlbar/UrlbarInput.sys.mjs
 @@ -68,6 +68,13 @@ XPCOMUtils.defineLazyPreferenceGetter(
@@ -16,7 +16,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
  const DEFAULT_FORM_HISTORY_NAME = "searchbar-history";
  const SEARCH_BUTTON_CLASS = "urlbar-search-button";
  
-@@ -349,7 +356,16 @@ export class UrlbarInput {
+@@ -355,7 +362,16 @@ export class UrlbarInput {
      // See _on_select().  HTMLInputElement.select() dispatches a "select"
      // event but does not set the primary selection.
      this._suppressPrimaryAdjustment = true;
@@ -33,7 +33,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
      this._suppressPrimaryAdjustment = false;
    }
  
-@@ -425,6 +441,10 @@ export class UrlbarInput {
+@@ -431,6 +447,10 @@ export class UrlbarInput {
      hideSearchTerms = false,
      isSameDocument = false
    ) {
@@ -44,7 +44,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
      // We only need to update the searchModeUI on tab switch conditionally
      // as we only persist searchMode with ScotchBonnet enabled.
      if (
-@@ -698,8 +718,16 @@ export class UrlbarInput {
+@@ -735,8 +755,16 @@ export class UrlbarInput {
          return;
        }
      }
@@ -62,7 +62,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
    }
  
    /**
-@@ -1093,7 +1121,11 @@ export class UrlbarInput {
+@@ -1142,7 +1170,11 @@ export class UrlbarInput {
      }
  
      if (!this.#providesSearchMode(result)) {
@@ -74,8 +74,8 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
 +      }
      }
  
-     this.controller.recordSelectedResult(event, result);
+     if (isCanonized) {
-@@ -2125,6 +2157,10 @@ export class UrlbarInput {
+@@ -2191,6 +2223,10 @@ export class UrlbarInput {
      await this.#updateLayoutBreakoutDimensions();
    }
  
@@ -86,7 +86,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
    startLayoutExtend() {
      if (!this.#allowBreakout || this.hasAttribute("breakout-extend")) {
        // Do not expand if the Urlbar does not support being expanded or it is
-@@ -2147,6 +2183,12 @@ export class UrlbarInput {
+@@ -2205,6 +2241,12 @@ export class UrlbarInput {
  
      this.setAttribute("breakout-extend", "true");
  
@@ -99,7 +99,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
      // Enable the animation only after the first extend call to ensure it
      // doesn't run when opening a new window.
      if (!this.hasAttribute("breakout-extend-animate")) {
-@@ -2166,6 +2208,24 @@ export class UrlbarInput {
+@@ -2224,6 +2266,24 @@ export class UrlbarInput {
        return;
      }
  
@@ -124,7 +124,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
      this.removeAttribute("breakout-extend");
      this.#updateTextboxPosition();
    }
-@@ -2485,7 +2545,7 @@ export class UrlbarInput {
+@@ -2553,7 +2613,7 @@ export class UrlbarInput {
  
          this.textbox.parentNode.style.setProperty(
            "--urlbar-container-height",
@@ -133,7 +133,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
          );
          this.textbox.style.setProperty(
            "--urlbar-height",
-@@ -2900,6 +2960,7 @@ export class UrlbarInput {
+@@ -2968,6 +3028,7 @@ export class UrlbarInput {
    }
  
    _toggleActionOverride(event) {
@@ -141,7 +141,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
      if (
        event.keyCode == KeyEvent.DOM_VK_SHIFT ||
        event.keyCode == KeyEvent.DOM_VK_ALT ||
-@@ -2998,7 +3059,7 @@ export class UrlbarInput {
+@@ -3069,7 +3130,7 @@ export class UrlbarInput {
     */
    _trimValue(val) {
      let trimmedValue = lazy.UrlbarPrefs.get("trimURLs")
@@ -150,7 +150,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
        : val;
      // Only trim value if the directionality doesn't change to RTL and we're not
      // showing a strikeout https protocol.
-@@ -3368,6 +3429,10 @@ export class UrlbarInput {
+@@ -3439,6 +3500,10 @@ export class UrlbarInput {
        }
        reuseEmpty = true;
      }
@@ -161,7 +161,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
      if (
        where == "tab" &&
        reuseEmpty &&
-@@ -3375,6 +3440,9 @@ export class UrlbarInput {
+@@ -3446,6 +3511,9 @@ export class UrlbarInput {
      ) {
        where = "current";
      }
@@ -171,7 +171,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
      return where;
    }
  
-@@ -3632,6 +3700,7 @@ export class UrlbarInput {
+@@ -3703,6 +3771,7 @@ export class UrlbarInput {
        this.setResultForCurrentValue(null);
        this.handleCommand();
        this.controller.clearLastQueryContextCache();
@@ -179,7 +179,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
  
        this._suppressStartQuery = false;
      });
-@@ -3639,7 +3708,6 @@ export class UrlbarInput {
+@@ -3710,7 +3779,6 @@ export class UrlbarInput {
      contextMenu.addEventListener("popupshowing", () => {
        // Close the results pane when the input field contextual menu is open,
        // because paste and go doesn't want a result selection.
@@ -187,7 +187,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
  
        let controller =
          this.document.commandDispatcher.getControllerForCommand("cmd_paste");
-@@ -4053,6 +4121,11 @@ export class UrlbarInput {
+@@ -4136,6 +4204,11 @@ export class UrlbarInput {
    }
  
    _on_click(event) {
@@ -199,7 +199,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
      if (
        event.target == this.inputField ||
        event.target == this._inputContainer ||
-@@ -4124,7 +4197,7 @@ export class UrlbarInput {
+@@ -4207,7 +4280,7 @@ export class UrlbarInput {
        }
      }
  
@@ -208,7 +208,7 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
        this.view.autoOpen({ event });
      } else {
        if (this._untrimOnFocusAfterKeydown) {
-@@ -4164,9 +4237,12 @@ export class UrlbarInput {
+@@ -4247,9 +4320,16 @@ export class UrlbarInput {
    }
  
    _on_mousedown(event) {
@@ -216,24 +216,28 @@ index 4b69136aa31bfef3a1d3b57ad0c75fe07fa26be0..8d94bc2b7f3469258cb1a24888c5890e
 +    switch (event.zenOriginalTarget || event.currentTarget) {
        case this.textbox: {
          this._mousedownOnUrlbarDescendant = true;
-+        if (event.type != "click") {
++        const isProbablyFloating =
++          (lazy.ZEN_URLBAR_BEHAVIOR == "floating-on-type" &&
++          this.hasAttribute("breakout-extend") && !this.focusedViaMousedown) ||
++          (lazy.ZEN_URLBAR_BEHAVIOR == "float") || this.window.gZenVerticalTabsManager._hasSetSingleToolbar;
++        if (event.type != "click" && isProbablyFloating || event.type == "click" && !isProbablyFloating) {
 +          return true;
 +        }
  
          if (
            event.target != this.inputField &&
-@@ -4176,8 +4252,8 @@ export class UrlbarInput {
+@@ -4261,6 +4341,10 @@ export class UrlbarInput {
-           break;
-         }
  
--        this.focusedViaMousedown = !this.focused;
+         this.focusedViaMousedown = !this.focused;
--        this._preventClickSelectsAll = this.focused;
+         this._preventClickSelectsAll = this.focused;
-+        this.focusedViaMousedown = !(lazy.ZEN_URLBAR_BEHAVIOR === 'default' ? this.focused : this.hasAttribute("breakout-extend"));
++        if (isProbablyFloating) {
-+        this._preventClickSelectsAll = lazy.ZEN_URLBAR_BEHAVIOR === 'default' ? this.focused : this.hasAttribute("breakout-extend");
++          this.focusedViaMousedown = !this.hasAttribute("breakout-extend");
++          this._preventClickSelectsAll = this.hasAttribute("breakout-extend");
++        }
  
          // Keep the focus status, since the attribute may be changed
          // upon calling this.focus().
-@@ -4218,7 +4294,7 @@ export class UrlbarInput {
+@@ -4301,7 +4385,7 @@ export class UrlbarInput {
          }
          // Don't close the view when clicking on a tab; we may want to keep the
          // view open on tab switch, and the TabSelect event arrived earlier.

src/browser/components/urlbar/UrlbarProviderPlaces-sys-mjs.patch

@@ -0,0 +1,56 @@
+diff --git a/browser/components/urlbar/UrlbarProviderPlaces.sys.mjs b/browser/components/urlbar/UrlbarProviderPlaces.sys.mjs
+index 899e808c5f8cf14577404e3d1766fe967b32b065..82854a04edc21ac4552d06d6ba45c4714b5ef5cb 100644
+--- a/browser/components/urlbar/UrlbarProviderPlaces.sys.mjs
++++ b/browser/components/urlbar/UrlbarProviderPlaces.sys.mjs
+@@ -35,6 +35,8 @@ const QUERYINDEX_SWITCHTAB = 9;
+ const QUERYINDEX_FRECENCY = 10;
+ const QUERYINDEX_USERCONTEXTID = 11;
+ const QUERYINDEX_LASTVIST = 12;
++const QUERYINDEX_PINNEDTITLE = 13;
++const QUERYINDEX_PINNEDURL = 14;
+ 
+ // This SQL query fragment provides the following:
+ //   - whether the entry is bookmarked (QUERYINDEX_BOOKMARKED)
+@@ -56,11 +58,14 @@ const SQL_BOOKMARK_TAGS_FRAGMENT = `EXISTS(SELECT 1 FROM moz_bookmarks WHERE fk
+ // condition once, and avoid evaluating "btitle" and "tags" when it is false.
+ function defaultQuery(conditions = "") {
+   let query = `SELECT :query_type, h.url, h.title, ${SQL_BOOKMARK_TAGS_FRAGMENT},
+-            h.visit_count, h.typed, h.id, t.open_count, ${lazy.PAGES_FRECENCY_FIELD}, t.userContextId, h.last_visit_date
++            h.visit_count, h.typed, h.id, t.open_count, ${lazy.PAGES_FRECENCY_FIELD}, t.userContextId, h.last_visit_date,
++            zp.title AS pinned_title, zp.url AS pinned_url
+      FROM moz_places h
+      LEFT JOIN moz_openpages_temp t
+             ON t.url = h.url
+             AND (t.userContextId = :userContextId OR (t.userContextId <> -1 AND :userContextId IS NULL))
++     LEFT JOIN zen_pins zp
++            ON zp.url = h.url
+      WHERE (
+         (:switchTabsEnabled AND t.open_count > 0) OR
+         ${lazy.PAGES_FRECENCY_FIELD} <> 0
+@@ -74,7 +79,7 @@ function defaultQuery(conditions = "") {
+                               :matchBehavior, :searchBehavior, NULL)
+          ELSE
+            AUTOCOMPLETE_MATCH(:searchString, h.url,
+-                              h.title, '',
++                              IFNULL(zp.title, h.title), '',
+                               h.visit_count, h.typed,
+                               0, t.open_count,
+                               :matchBehavior, :searchBehavior, NULL)
+@@ -1130,11 +1135,14 @@ Search.prototype = {
+     let lastVisit = lastVisitPRTime
+       ? lazy.PlacesUtils.toDate(lastVisitPRTime).getTime()
+       : undefined;
+-
++    let pinnedTitle = row.getResultByIndex(QUERYINDEX_PINNEDTITLE);
++    let pinnedUrl = row.getResultByIndex(QUERYINDEX_PINNEDURL);
++    
++    
+     let match = {
+       placeId,
+-      value: url,
+-      comment: bookmarkTitle || historyTitle,
++      value: pinnedUrl || url,
++      comment: pinnedTitle || bookmarkTitle || historyTitle,
+       icon: UrlbarUtils.getIconForUrl(url),
+       frecency: frecency || FRECENCY_DEFAULT,
+       userContextId,

src/browser/components/urlbar/UrlbarValueFormatter-sys-mjs.patch

@@ -0,0 +1,12 @@
+diff --git a/browser/components/urlbar/UrlbarValueFormatter.sys.mjs b/browser/components/urlbar/UrlbarValueFormatter.sys.mjs
+index dfa91b76ad3890ceadb1b1b5d7a63b7074fbb776..6369fa1cdb242de32338bbce6debcdab2a04ca02 100644
+--- a/browser/components/urlbar/UrlbarValueFormatter.sys.mjs
++++ b/browser/components/urlbar/UrlbarValueFormatter.sys.mjs
+@@ -585,6 +585,7 @@ export class UrlbarValueFormatter {
+       this.window.requestAnimationFrame(() => {
+         if (instance == this._resizeInstance) {
+           this.#ensureFormattedHostVisible();
++          this._formatURL();
+         }
+       });
+     }, 100);

src/browser/components/urlbar/UrlbarView-sys-mjs.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/urlbar/UrlbarView.sys.mjs b/browser/components/urlbar/UrlbarView.sys.mjs
-index d5382623595de8daed8cd13ea2eb2de329a4bd92..c3b5d1bad0bf4e1c5a5875a83751cfa96cdf1510 100644
+index e17f3d34367d6567c89f632b6d1ce537608a6829..7528dfb0abc8ea8d9315591cd529a341b4c3962a 100644
 --- a/browser/components/urlbar/UrlbarView.sys.mjs
 +++ b/browser/components/urlbar/UrlbarView.sys.mjs
 @@ -609,7 +609,7 @@ export class UrlbarView {

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

@@ -1,8 +1,8 @@
 diff --git a/browser/extensions/newtab/lib/ActivityStream.sys.mjs b/browser/extensions/newtab/lib/ActivityStream.sys.mjs
-index 14183ad7165dc91126b4409b26f669409c4e9905..be979225b89b193b9e9c8903de5740dc04a8999f 100644
+index a00011de585a40b91d33364a04c6bf5c86145ecd..f98b6d11519a80aff307513fd77361179f9914a4 100644
 --- a/browser/extensions/newtab/lib/ActivityStream.sys.mjs
 +++ b/browser/extensions/newtab/lib/ActivityStream.sys.mjs
-@@ -215,7 +215,7 @@ export const PREFS_CONFIG = new Map([
+@@ -228,7 +228,7 @@ export const PREFS_CONFIG = new Map([
      "showSponsoredTopSites",
      {
        title: "Show sponsored top sites",

src/browser/locales/en-US/installer/custom-properties.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/locales/en-US/installer/custom.properties b/browser/locales/en-US/installer/custom.properties
-index a9dc6fb90caa50a9ba9ec63a6cd90b4d8dcc2bc0..48d11c0c5a3b926d2d29c30d1ca8630941514210 100644
+index 8c33192e589de1d819cbb21c31cec0480ed4c85e..9db296363303c153dc05ad9e85493f1197bb1efd 100644
 --- a/browser/locales/en-US/installer/custom.properties
 +++ b/browser/locales/en-US/installer/custom.properties
-@@ -77,7 +77,7 @@ STATUS_INSTALL_LANG=Installing Language Files (${AB_CD})…
+@@ -73,7 +73,7 @@ STATUS_INSTALL_APP=Installing $BrandShortName…
  STATUS_UNINSTALL_MAIN=Uninstalling $BrandShortName…
  STATUS_CLEANUP=A Little Housekeeping…
  

src/browser/modules/ExtensionsUI-sys-mjs.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/modules/ExtensionsUI.sys.mjs b/browser/modules/ExtensionsUI.sys.mjs
-index 3f74e47bf7602fa800d1cf3034ec67055cc792b6..e700b88d1aee80c946e234f89f695a31d71ff608 100644
+index 9734d95742035dbe6f608ad3cdaaefc6ed5b83bc..9a7bbb272025e84968d3173faca259f558746c5e 100644
 --- a/browser/modules/ExtensionsUI.sys.mjs
 +++ b/browser/modules/ExtensionsUI.sys.mjs
-@@ -436,7 +436,7 @@ export var ExtensionsUI = {
+@@ -466,7 +466,7 @@ export var ExtensionsUI = {
          eventCallback,
          removeOnDismissal: true,
          popupOptions: {

src/browser/themes/BuiltInThemeConfig-sys-mjs.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/themes/BuiltInThemeConfig.sys.mjs b/browser/themes/BuiltInThemeConfig.sys.mjs
-index 081187147736f56abfe5866a69e00ac13a8dd940..9a980fe858c1a77af7634037aebc332d237e9c11 100644
+index a5361f1f0ec57f575f8d76e118ff762dc7547501..db5c5eb2059b4ceef3911fd807bf985408859d1a 100644
 --- a/browser/themes/BuiltInThemeConfig.sys.mjs
 +++ b/browser/themes/BuiltInThemeConfig.sys.mjs
-@@ -33,13 +33,6 @@ export const BuiltInThemeConfig = new Map([
+@@ -33,11 +33,4 @@ export const BuiltInThemeConfig = new Map([
        path: "resource://builtin-themes/dark/",
      },
    ],
@@ -13,6 +13,4 @@ index 081187147736f56abfe5866a69e00ac13a8dd940..9a980fe858c1a77af7634037aebc332d
 -      path: "resource://builtin-themes/alpenglow/",
 -    },
 -  ],
-   [
+ ]);
-     "2022red-colorway@mozilla.org",
-     {

src/browser/themes/addons/jar-mn.patch

@@ -1,22 +0,0 @@
-diff --git a/browser/themes/addons/jar.mn b/browser/themes/addons/jar.mn
-index 69bb3000d6d2d249d1d77262dc2a0057d0318308..bbed04a6b6f11c582e17e08201db260b9ed496b7 100644
---- a/browser/themes/addons/jar.mn
-+++ b/browser/themes/addons/jar.mn
-@@ -5,8 +5,8 @@
- browser.jar:
- %  resource builtin-themes %content/builtin-themes/
- 
--  content/builtin-themes/alpenglow                 (alpenglow/*.svg)
--  content/builtin-themes/alpenglow/manifest.json   (alpenglow/manifest.json)
-+#  content/builtin-themes/alpenglow                 (alpenglow/*.svg)
-+#  content/builtin-themes/alpenglow/manifest.json   (alpenglow/manifest.json)
- 
-   content/builtin-themes/dark                      (dark/*.svg)
-   content/builtin-themes/dark                      (dark/*.css)
-@@ -100,3 +100,5 @@ browser.jar:
-   content/builtin-themes/colorways/2022innovator/balanced/manifest.json       (colorways/2022-independent-voices/innovator/balanced/manifest.json)
-   content/builtin-themes/colorways/2022innovator/bold                         (colorways/2022-independent-voices/innovator/bold/*.svg)
-   content/builtin-themes/colorways/2022innovator/bold/manifest.json           (colorways/2022-independent-voices/innovator/bold/manifest.json)
-+
-+#include zen-addons.inc.mn
-\ No newline at end of file

src/browser/themes/addons/zen-addons.inc.mn

@@ -1 +0,0 @@
-

src/browser/themes/linux/browser-css.patch

@@ -1,20 +1,18 @@
 diff --git a/browser/themes/linux/browser.css b/browser/themes/linux/browser.css
-index 5c9891e5ed4b865ed4ecc98d794a239b0f96a8f9..e13bf7277edeb49ebbb12cf9359ac6193bb47ebd 100644
+index 195cf888a61893cc9b0015e07e27bce94ec9d409..5f4cb6a1922730e8a0f1e9ad04169fb092917938 100644
 --- a/browser/themes/linux/browser.css
 +++ b/browser/themes/linux/browser.css
-@@ -42,21 +42,25 @@
+@@ -42,7 +42,8 @@
      -moz-default-appearance: -moz-window-decorations;
      appearance: auto;
  
 -    #navigator-toolbox,
--    dialog::backdrop {
 +    #zen-main-app-wrapper,
-+    dialog::backdrop,
++    #zen-browser-background,
-+    #browser::after,
+     dialog::backdrop {
-+    #browser::before {
        border-top-left-radius: env(-moz-gtk-csd-titlebar-radius);
        border-top-right-radius: env(-moz-gtk-csd-titlebar-radius);
-     }
+@@ -50,13 +51,14 @@
  
      /* stylelint-disable-next-line media-query-no-invalid */
      @media -moz-pref("widget.gtk.rounded-bottom-corners.enabled") {
@@ -27,8 +25,7 @@ index 5c9891e5ed4b865ed4ecc98d794a239b0f96a8f9..e13bf7277edeb49ebbb12cf9359ac619
        body,
 -      dialog::backdrop {
 +      dialog::backdrop,
-+      #browser::after,
++      #zen-browser-background {
-+      #browser::before {
          /* Use an uniform clip to allow WebRender to optimize it better */
          border-radius: env(-moz-gtk-csd-titlebar-radius);
        }

src/browser/themes/osx/browser-css.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/themes/osx/browser.css b/browser/themes/osx/browser.css
-index 7fc76bc82bd5d6311442b85a76d885dcfb6d753d..61b1b3ac8241c4f12e4ca8966a7ac1fae0eb41ee 100644
+index 9f795cd5b67b12ed4e6d0838d6e0b8e1048f6e50..e9d9326f174a25140113de40f4c57e8bc67677ff 100644
 --- a/browser/themes/osx/browser.css
 +++ b/browser/themes/osx/browser.css
 @@ -38,7 +38,7 @@

src/browser/themes/shared/customizableui/panelUI-shared-css.patch

@@ -1,24 +0,0 @@
-diff --git a/browser/themes/shared/customizableui/panelUI-shared.css b/browser/themes/shared/customizableui/panelUI-shared.css
-index bdbfd3521b4921f7d6d44623181019a8263b5825..e69b1fb9ee7e553f1183f7a52f9104d6f99d4288 100644
---- a/browser/themes/shared/customizableui/panelUI-shared.css
-+++ b/browser/themes/shared/customizableui/panelUI-shared.css
-@@ -18,7 +18,7 @@
-   --menu-panel-width-wide: 29em;
- 
-   --arrowpanel-menuitem-margin-block: 0;
--  --arrowpanel-menuitem-margin-inline: 8px;
-+  --arrowpanel-menuitem-margin-inline: 4px;
-   --arrowpanel-menuitem-margin: var(--arrowpanel-menuitem-margin-block) var(--arrowpanel-menuitem-margin-inline);
-   --arrowpanel-menuitem-padding-block: 8px;
-   --arrowpanel-menuitem-padding-inline: 8px;
-@@ -819,8 +819,8 @@ toolbarbutton[constrain-size="true"][cui-areatype="panel"] > .toolbarbutton-badg
- /* Firefox Account Toolbar Panel */
- 
- #fxa-avatar-image {
--  width: 16px;
--  height: 16px;
-+  width: 20px;
-+  height: 20px;
- }
- 
- :root {

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

@@ -7,7 +7,10 @@
 @namespace html 'http://www.w3.org/1999/xhtml';
 
 :root {
-  --zen-settings-secondary-background: light-dark(#f2f4f4, color-mix(in srgb, var(--zen-colors-tertiary) 50%, #0f0f0f 50%));
+  --zen-settings-secondary-background: light-dark(
+    #f2f4f4,
+    color-mix(in srgb, var(--zen-colors-tertiary) 50%, #0f0f0f 50%)
+  );
   --in-content-box-background: var(--zen-colors-tertiary) !important;
 }
 
@@ -377,7 +380,7 @@ groupbox h2 {
 }
 
 .zenCKSOption-unsafed {
-  color: yellow;
+  color: light-dark(orange, yellow);
   margin-left: 10px;
   margin-top: 5px;
 }
@@ -387,7 +390,7 @@ groupbox h2 {
 }
 
 .zenCKSOption-input.zenCKSOption-input-unsafed {
-  border-color: yellow;
+  border-color: light-dark(orange, yellow);
 }
 
 .zenCKSOption-input.zenCKSOption-input-valid {

src/browser/themes/shared/tabbrowser/fullscreen-and-pointerlock-css.patch

@@ -1,13 +0,0 @@
-diff --git a/browser/themes/shared/tabbrowser/fullscreen-and-pointerlock.css b/browser/themes/shared/tabbrowser/fullscreen-and-pointerlock.css
-index 787e3153e2e07b383445e94aa9e25177eb49c929..a017e4c003f6c3b9af7c226c637b37aea6baa7e5 100644
---- a/browser/themes/shared/tabbrowser/fullscreen-and-pointerlock.css
-+++ b/browser/themes/shared/tabbrowser/fullscreen-and-pointerlock.css
-@@ -7,7 +7,7 @@
- :root[inDOMFullscreen] #sidebar-box,
- :root[inDOMFullscreen] #sidebar-main,
- :root[inDOMFullscreen] #sidebar-splitter,
--:root[inFullscreen]:not([macOSNativeFullscreen]) toolbar:not([fullscreentoolbar=true]),
-+:root[inFullscreen]:not([macOSNativeFullscreen]) toolbar:not([fullscreentoolbar=true]):not(.zen-dont-hide-on-fullscreen),
- :root[inFullscreen] .global-notificationbox {
-   visibility: collapse;
- }

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

@@ -1,8 +1,8 @@
 diff --git a/browser/themes/shared/tabbrowser/tabs.css b/browser/themes/shared/tabbrowser/tabs.css
-index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c9681952b078526 100644
+index 5b9ad123d819c6ef068acd427416957a1d0939fe..311caa27ee268c95215d459be02a93d20e129f8b 100644
 --- a/browser/themes/shared/tabbrowser/tabs.css
 +++ b/browser/themes/shared/tabbrowser/tabs.css
-@@ -32,7 +32,7 @@
+@@ -33,7 +33,7 @@
    --tab-block-margin: 4px;
    --tab-icon-end-margin: 5.5px;
    --tab-label-line-height: 1.7;
@@ -11,7 +11,7 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
    --tab-hover-background-color: color-mix(in srgb, currentColor 11%, transparent);
    --tab-selected-textcolor: var(--toolbar-color);
    --tab-selected-bgcolor: var(--toolbar-bgcolor);
-@@ -210,8 +210,7 @@
+@@ -211,8 +211,7 @@
    }
  
    #tabbrowser-tabs[positionpinnedtabs] > #tabbrowser-arrowscrollbox > &[pinned] {
@@ -21,7 +21,7 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
    }
  
    #tabbrowser-tabs[movingtab] &:is(:active, [multiselected]) {
-@@ -257,7 +256,6 @@
+@@ -258,7 +257,6 @@
    }
  
    :root:not([uidensity=compact], [sidebar-expand-on-hover]) &[pinned] {
@@ -29,7 +29,7 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
    }
  
    &:is([selected], [multiselected]) {
-@@ -271,6 +269,7 @@
+@@ -272,6 +270,7 @@
      border-radius: inherit;
      position: relative;
      overflow: hidden;
@@ -37,15 +37,34 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
  
      &::before {
        position: absolute;
-@@ -458,6 +457,7 @@
+@@ -459,14 +458,11 @@
  .tab-icon-image {
    -moz-context-properties: fill, stroke;
    fill: currentColor;
 +  border-radius: 4px;
  
-   /* Apply crisp rendering for favicons at exactly 2dppx resolution */
+   /* stylelint-disable-next-line media-query-no-invalid */
-   @media (resolution: 2dppx) {
+   @media -moz-pref("browser.tabs.fadeOutUnloadedTabs") {
-@@ -557,7 +557,7 @@
+     &[pending] {
+-      filter: grayscale(100%);
+-      @media (prefers-color-scheme: dark) {
+-        filter: grayscale(100%) invert();
+-      }
+       opacity: 0.5;
+       /* Fade the favicon out */
+       transition-property: filter, opacity;
+@@ -483,10 +479,6 @@
+   /* stylelint-disable-next-line media-query-no-invalid */
+   @media -moz-pref("browser.tabs.fadeOutExplicitlyUnloadedTabs") {
+     &[pending][discarded] {
+-      filter: grayscale(100%);
+-      @media (prefers-color-scheme: dark) {
+-        filter: grayscale(100%) invert();
+-      }
+       opacity: 0.5;
+       /* Fade the favicon out */
+       transition-property: filter, opacity;
+@@ -559,7 +551,7 @@
    z-index: 1; /* Overlay tab title */
  
    #tabbrowser-tabs[orient=vertical] & {
@@ -54,7 +73,7 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
    }
  
    &[crashed] {
-@@ -565,7 +565,7 @@
+@@ -567,7 +559,7 @@
    }
  
    #tabbrowser-tabs[orient="vertical"]:not([expanded]) &:not([crashed]),
@@ -63,7 +82,7 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
      &[soundplaying] {
        list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-playing-small.svg");
      }
-@@ -595,7 +595,7 @@
+@@ -597,7 +589,7 @@
        background-image: linear-gradient(var(--audio-overlay-extra-background)),
                          linear-gradient(var(--toolbox-bgcolor));
        -moz-context-properties: fill;
@@ -72,7 +91,7 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
        color-scheme: var(--tab-selected-color-scheme);
        border-radius: var(--border-radius-circle);
  
-@@ -1362,7 +1362,7 @@ tab-group {
+@@ -1365,7 +1357,7 @@ tab-group {
    }
  }
  
@@ -81,7 +100,7 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
  #vertical-tabs-newtab-button {
    appearance: none;
    min-height: var(--tab-min-height);
-@@ -1373,7 +1373,7 @@ tab-group {
+@@ -1376,7 +1368,7 @@ tab-group {
    margin-inline: var(--tab-inner-inline-margin);
  
    #tabbrowser-tabs[orient="vertical"]:not([expanded]) & > .toolbarbutton-text {
@@ -90,7 +109,7 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
    }
  
    &:hover {
-@@ -1397,7 +1397,7 @@ tab-group {
+@@ -1400,7 +1392,7 @@ tab-group {
   * flex container. #tabs-newtab-button is a child of the arrowscrollbox where
   * we don't want a gap (between tabs), so we have to add some margin.
   */
@@ -99,7 +118,7 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
    margin-block: var(--tab-block-margin);
  }
  
-@@ -1471,8 +1471,6 @@ tab-group {
+@@ -1474,8 +1466,6 @@ tab-group {
    }
  
    :root:not([sidebar-expand-on-hover]) & {
@@ -108,7 +127,15 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
      /* stylelint-disable-next-line media-query-no-invalid */
      @media not -moz-pref("sidebar.visibility", "expand-on-hover") {
        /* We need these rules to apply at all times when the sidebar.visibility
-@@ -1717,7 +1715,7 @@ tab-group {
+@@ -1585,7 +1575,6 @@ tab-group {
+ 
+   &:not([expanded]) {
+     .tabbrowser-tab[pinned] {
+-      width: var(--tab-collapsed-width);
+     }
+ 
+     .tab-background {
+@@ -1716,7 +1705,7 @@ tab-group {
    toolbarbutton:not(#firefox-view-button),
    toolbarpaletteitem:not(#wrapper-firefox-view-button)
  ) ~ #tabbrowser-tabs {
@@ -117,7 +144,7 @@ index 6ca85d9d4d593271fe49138ea736bd96651c05f5..192acb662eaeaeb67df890de4c968195
    padding-inline-start: calc(var(--tab-overflow-pinned-tabs-width) + 2px);
    margin-inline-start: 2px;
  }
-@@ -1751,7 +1749,6 @@ toolbar:not(#TabsToolbar) #firefox-view-button {
+@@ -1750,7 +1739,6 @@ toolbar:not(#TabsToolbar) #firefox-view-button {
    list-style-image: url(chrome://global/skin/icons/plus.svg);
  }
  

src/browser/themes/shared/toolbarbuttons-css.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/themes/shared/toolbarbuttons.css b/browser/themes/shared/toolbarbuttons.css
-index 26b58ee104a432a359ba2667d2e49a9231e81fef..7cb950e7b3fcb6f599e9cb645ea24a515e2cc491 100644
+index d84326072652a48d7fc9b61c585fb00ac4b506ab..c91654eb852460721cf7e45623fb471027f06d90 100644
 --- a/browser/themes/shared/toolbarbuttons.css
 +++ b/browser/themes/shared/toolbarbuttons.css
-@@ -218,7 +218,7 @@ toolbar[brighttext] .toolbaritem-combined-buttons > separator {
+@@ -249,7 +249,7 @@ toolbar[brighttext] .toolbaritem-combined-buttons > separator {
  #nav-bar-overflow-button {
    list-style-image: url("chrome://global/skin/icons/chevron.svg");
  
@@ -11,7 +11,7 @@ index 26b58ee104a432a359ba2667d2e49a9231e81fef..7cb950e7b3fcb6f599e9cb645ea24a51
      display: none;
    }
  
-@@ -428,7 +428,7 @@ toolbarbutton.bookmark-item:not(.subviewbutton) {
+@@ -459,7 +459,7 @@ toolbarbutton.bookmark-item:not(.subviewbutton) {
       */
      align-items: stretch;
      > .toolbarbutton-icon {

src/browser/themes/shared/urlbar-searchbar-css.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/themes/shared/urlbar-searchbar.css b/browser/themes/shared/urlbar-searchbar.css
-index e237ee9edea85c1d2ef22f988df6b22755e343e6..b06fc06686a7a969e924ad0df662dec937b3c70d 100644
+index 23661cf489d97cdbd6d4c66de199fd9dc0c8475f..2677dc60a92cebe014c817414a6067be9543cf98 100644
 --- a/browser/themes/shared/urlbar-searchbar.css
 +++ b/browser/themes/shared/urlbar-searchbar.css
 @@ -5,7 +5,7 @@
@@ -11,14 +11,18 @@ index e237ee9edea85c1d2ef22f988df6b22755e343e6..b06fc06686a7a969e924ad0df662dec9
    --urlbar-margin-inline: 5px;
    --urlbar-padding-block: 4px;
  }
-@@ -292,7 +292,9 @@
+@@ -303,10 +303,14 @@
- }
  
  #urlbar[breakout][breakout-extend] {
--  margin-left: calc(-1 * var(--urlbar-margin-inline));
+   height: auto;
 +  :root:not([zen-single-toolbar='true']) {
-+    margin-left: calc(-1 * var(--urlbar-margin-inline));
+   margin-left: calc(-1 * var(--urlbar-margin-inline));
 +  }
++  align-items: center;
    width: calc(var(--urlbar-width) + 2 * var(--urlbar-margin-inline));
  
    > .urlbar-input-container {
++    align-items: center;
+     height: var(--urlbar-container-height);
+     padding-block: calc((var(--urlbar-container-height) - var(--urlbar-height)) / 2 + var(--urlbar-container-padding));
+     padding-inline: calc(var(--urlbar-margin-inline) + var(--urlbar-container-padding));

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

@@ -5,7 +5,8 @@
  */
 
 .subviewbutton,
-#zen-welcome-start-button {
+#zen-welcome-start-button,
+.zen-toast button {
   -moz-context-properties: fill, fill-opacity !important;
   fill: currentColor !important;
 }
@@ -59,18 +60,6 @@
   list-style-image: url('sidebars-right.svg') !important;
 }
 
-#context_zenSplitTabs {
-  --menu-image: url('sidebars-right.svg') !important;
-}
-
-#context-zen-change-workspace-tab {
-  --menu-image: url('move-tab.svg') !important;
-}
-
-#context-zenSplitLink {
-  --menu-image: url('split.svg') !important;
-}
-
 #sidebar-button:-moz-locale-dir(ltr):not([positionend]),
 #sidebar-button:-moz-locale-dir(rtl)[positionend] {
   list-style-image: url('chrome://browser/skin/sidebars.svg') !important;
@@ -94,8 +83,16 @@
 
 #appMenu-passwords-button,
 #password-notification-icon,
-#PopupAutoComplete > richlistbox > richlistitem[originaltype='generatedPassword'] > .two-line-wrapper > .ac-site-icon,
+#PopupAutoComplete
-#PopupAutoComplete > richlistbox > richlistitem[originaltype='loginWithOrigin'] > .two-line-wrapper > .ac-site-icon,
+  > richlistbox
+  > richlistitem[originaltype='generatedPassword']
+  > .two-line-wrapper
+  > .ac-site-icon,
+#PopupAutoComplete
+  > richlistbox
+  > richlistitem[originaltype='loginWithOrigin']
+  > .two-line-wrapper
+  > .ac-site-icon,
 #PopupAutoComplete > richlistbox > richlistitem[originaltype='login'] > .ac-site-icon {
   list-style-image: url('passwords.svg') !important;
 }
@@ -124,14 +121,24 @@
   list-style-image: url('tab.svg') !important;
 }
 
+#context-navigation > menuitem {
+  padding: 4px;
+}
+
 #history-panelmenu,
-.urlbarView-row[source='history'] > .urlbarView-row-inner > .urlbarView-no-wrap > .urlbarView-favicon,
+.urlbarView-row[source='history']
+  > .urlbarView-row-inner
+  > .urlbarView-no-wrap
+  > .urlbarView-favicon,
 #urlbar-engine-one-off-item-history,
 #appMenu-history-button,
 #appMenu-library-history-button,
 #sidebar-switcher-history,
 #zen-history-button,
-#sidebar-box[sidebarcommand='viewHistorySidebar'] > #sidebar-header > #sidebar-switcher-target > #sidebar-icon {
+#sidebar-box[sidebarcommand='viewHistorySidebar']
+  > #sidebar-header
+  > #sidebar-switcher-target
+  > #sidebar-icon {
   list-style-image: url('history.svg') !important;
 }
 
@@ -158,15 +165,6 @@
   list-style-image: url('open.svg') !important;
 }
 
-#context_zenOpenWorkspace {
-  --menu-image: url('open.svg') !important;
-}
-
-#context_zenEditWorkspace,
-#zenToolbarThemePicker {
-  --menu-image: url('edit-theme.svg') !important;
-}
-
 #add-ons-button,
 #appMenu-extensions-themes-button,
 #unified-extensions-button {
@@ -276,7 +274,10 @@
 #appMenu-bookmarks-button,
 #sidebar-switcher-bookmarks,
 #appMenu-library-bookmarks-button,
-#sidebar-box[sidebarcommand='viewBookmarksSidebar'] > #sidebar-header > #sidebar-switcher-target > #sidebar-icon {
+#sidebar-box[sidebarcommand='viewBookmarksSidebar']
+  > #sidebar-header
+  > #sidebar-switcher-target
+  > #sidebar-icon {
   list-style-image: url('bookmark-star-on-tray.svg') !important;
 }
 
@@ -285,6 +286,11 @@
   list-style-image: url('home.svg') !important;
 }
 
+#toggle_toolbar-menubar,
+#appMenu_menu_openHelp {
+  display: none;
+}
+
 #library-button {
   list-style-image: url('library.svg') !important;
 }
@@ -302,7 +308,10 @@
   list-style-image: url('page-portrait.svg') !important;
 }
 
-#urlbar:not(.searchButton) > #urlbar-input-container > #identity-box[pageproxystate='invalid'] #identity-icon {
+#urlbar:not(.searchButton)
+  > #urlbar-input-container
+  > #identity-box[pageproxystate='invalid']
+  #identity-icon {
   list-style-image: url('search-glass.svg') !important;
 }
 
@@ -405,7 +414,7 @@
   list-style-image: url('customize.svg') !important;
 }
 
-#appmenu-zen-share-rice {
+#zen-copy-current-url-button {
   list-style-image: url('share.svg');
 }
 
@@ -426,9 +435,17 @@
 
 #zen-glance-sidebar-split {
   list-style-image: url('split.svg');
+
+  &[disabled='true'] {
+    opacity: 0.5;
+    cursor: not-allowed;
+  }
 }
 
-#sidebar-box[sidebarcommand='viewTabsSidebar'] > #sidebar-header > #sidebar-switcher-target > #sidebar-icon,
+#sidebar-box[sidebarcommand='viewTabsSidebar']
+  > #sidebar-header
+  > #sidebar-switcher-target
+  > #sidebar-icon,
 #sidebar-switcher-tabs {
   list-style-image: url('send-to-device.svg') !important;
 }
@@ -592,7 +609,10 @@
   background-image: url('reload-to-stop.svg') !important;
 }
 
-#stop-reload-button[animate] > #reload-button > .toolbarbutton-animatable-box > .toolbarbutton-animatable-image,
+#stop-reload-button[animate]
+  > #reload-button
+  > .toolbarbutton-animatable-box
+  > .toolbarbutton-animatable-image,
 #zen-sidebar-web-panel-reload[animate]
   > #zen-sidebar-web-panel-reload-button
   > .toolbarbutton-animatable-box
@@ -608,364 +628,6 @@
   list-style-image: url('manage.svg') !important;
 }
 
-/* Context Menu Icons */
-
-#context-video-pictureinpicture:not([checked='true']) .menu-iconic-icon {
-  list-style-image: url('media-pip.svg') !important;
-}
-
-#context-media-loop:not([checked='true']) .menu-iconic-icon {
-  list-style-image: url('media-loop.svg') !important;
-}
-
-:not(:not(menubar) > menu, #ContentSelectDropdown)
-  > menupopup
-  > menuitem:not(
-    .menuitem-iconic,
-    [type='checkbox'],
-    [type='radio'],
-    .in-menulist,
-    .in-menulist menuitem,
-    .unified-nav-current
-  ),
-:not(:not(menubar) > menu, #ContentSelectDropdown)
-  > menupopup
-  > menu:not(.menu-iconic, [type='checkbox'], [type='radio'], .in-menulist, .in-menulist menu, .unified-nav-current),
-#toggle_toolbar-menubar,
-#PanelUI-history toolbarbutton,
-#unified-extensions-context-menu menuitem {
-  background-image: var(--menu-image) !important;
-  background-size: 16px !important;
-  background-position: var(--fp-contextmenu-menuitem-padding-inline) center !important;
-  background-repeat: no-repeat !important;
-  -moz-context-properties: fill, fill-opacity !important;
-  fill: currentColor !important;
-}
-
-@media not (-moz-platform: windows) {
-  menu > .menu-iconic-text,
-  menuitem > .menu-iconic-text {
-    padding-inline-start: var(--fp-contextmenu-menuicon-margin-inline) !important;
-  }
-}
-
-#context-savepage {
-  --menu-image: url('save.svg');
-}
-
-#context-selectall,
-.textbox-contextmenu menuitem[cmd*='selectAll'],
-#context_selectAllTabs,
-#toolbar-context-selectAllTabs {
-  --menu-image: url('edit-select-all.svg');
-}
-
-#context-undo,
-.textbox-contextmenu menuitem[cmd*='undo'],
-#context_undoCloseTab,
-#toolbar-context-undoCloseTab {
-  --menu-image: url('edit-undo.svg');
-}
-
-#toggle_toolbar-menubar {
-  --menu-image: url('menu-bar.svg');
-}
-
-#context-redo,
-.textbox-contextmenu menuitem[cmd*='redo'] {
-  --menu-image: url('edit-redo.svg');
-}
-
-#context-copy,
-.textbox-contextmenu menuitem[cmd*='copy'],
-.textbox-contextmenu #strip-on-share,
-#placesContext_copy {
-  --menu-image: url('edit-copy.svg');
-}
-
-#context-paste,
-.textbox-contextmenu menuitem[cmd*='paste'],
-#placesContext_paste_group {
-  --menu-image: url('edit-paste.svg');
-}
-
-#context-cut,
-.textbox-contextmenu menuitem[cmd*='cut'],
-#placesContext_cut {
-  --menu-image: url('edit-cut.svg');
-}
-
-#context-delete,
-.customize-context-removeExtension,
-.unified-extensions-context-menu-remove-extension,
-.textbox-contextmenu menuitem[cmd*='delete'],
-menuitem[id='placesContext_deleteBookmark'],
-menuitem[id='placesContext_deleteFolder'],
-menuitem[id='placesContext_delete'],
-menuitem[id='placesContext_delete_history'],
-menuitem[id='placesContext_deleteHost'],
-#context_zenDeleteWebPanel,
-#context_zenDeleteWorkspace {
-  --menu-image: url('edit-delete.svg');
-}
-
-#paste-and-go {
-  --menu-image: url('paste-and-go.svg');
-}
-
-#context-print-selection {
-  --menu-image: url('print.svg');
-}
-
-#context-take-screenshot {
-  --menu-image: url('screenshot.svg');
-}
-
-#context-viewsource {
-  --menu-image: url('source-code.svg');
-}
-
-#context-inspect-a11y {
-  --menu-image: url('accessibility.svg');
-}
-
-#context-inspect {
-  --menu-image: url('inspect.svg');
-}
-
-#context-searchselect {
-  --menu-image: url('search-glass.svg');
-}
-
-#context-viewimage {
-  --menu-image: url('image-open.svg');
-}
-
-#context-viewimageinfo {
-  --menu-image: url('info.svg');
-}
-
-#context-saveimage,
-#context-video-saveimage {
-  --menu-image: url('image-save.svg');
-}
-
-#context-savevideo {
-  --menu-image: url('video-save.svg');
-}
-
-#context-viewvideo {
-  --menu-image: url('video-open.svg');
-}
-
-#context-saveaudio {
-  --menu-image: url('audio-save.svg');
-}
-
-#context-copyimage-contents {
-  --menu-image: url('image-copy.svg');
-}
-
-#context-copyimage,
-#context-copyvideourl,
-#context-copylink,
-#context-stripOnShareLink,
-#context_zenOpenNewTabWebPanel,
-#context-pdfjs-copy {
-  --menu-image: url('link.svg');
-}
-
-#context-openlinkincurrent {
-  --menu-image: url('ext-link.svg');
-}
-
-#context-viewsource,
-#context-viewframesource,
-#context-viewpartialsource-selection {
-  --menu-image: url('source-code.svg');
-}
-
-#context-sendimage,
-#context-sendvideo,
-#context-sendaudio {
-  --menu-image: url('mail.svg');
-}
-
-#context-setDesktopBackground,
-.viewCustomizeToolbar {
-  --menu-image: url('customize.svg');
-}
-
-#context-reloadimage,
-#context_reloadTab,
-#context_reloadSelectedTabs,
-#toolbar-context-reloadSelectedTab,
-#toolbar-context-reloadSelectedTabs,
-#context_zen-reset-pinned-tab {
-  --menu-image: url('reload.svg');
-}
-
-#context-sendlinktodevice,
-#context_sendTabToDevice,
-#context-sendpagetodevice {
-  --menu-image: url('send-to-device.svg');
-}
-
-#context-openlinkintab,
-#context-openlinkincontainertab,
-#context_zenWorkspacesOpenInContainerTab,
-#context_zenWebPanelContextInContainer,
-menuitem[id='placesContext_open:newtab'],
-menuitem[id='placesContext_openLinks:tabs'],
-menuitem[id='placesContext_openBookmarkLinks:tabs'],
-menuitem[id='placesContext_openBookmarkContainer:tabs'] {
-  --menu-image: url('tab.svg');
-}
-
-#context_openANewTab,
-#toolbar-context-openANewTab {
-  --menu-image: url('new-tab-image.svg');
-}
-
-#context-openlinkinusercontext-menu,
-menu[id='placesContext_open:newcontainertab'],
-menu[id='placesContext_openContainer:tabs'] {
-  --menu-image: url('container-tab.svg');
-}
-
-#context-openlink,
-menuitem[id='placesContext_open:newwindow'] {
-  --menu-image: url('window.svg');
-}
-
-#context-openlinkprivate,
-menuitem[id='placesContext_open:newprivatewindow'] {
-  --menu-image: url('private-window.svg');
-}
-
-#context-savelink {
-  --menu-image: url('downloads.svg');
-}
-
-#spell-add-to-dictionary {
-  --menu-image: url('add-to-dictionary.svg');
-}
-
-#manage-saved-logins {
-  --menu-image: url('passwords.svg');
-}
-
-#context-media-play,
-#context_playTab,
-#context_playSelectedTabs {
-  --menu-image: url('media-play.svg');
-}
-
-#context-media-pause {
-  --menu-image: url('media-pause.svg');
-}
-
-#context-media-mute,
-#context_toggleMuteTab,
-#context_toggleMuteSelectedTabs,
-#context_zenToggleMuteWebPanel {
-  --menu-image: url('media-mute.svg');
-}
-
-#context-media-unmute,
-#context_toggleMuteTab[muted],
-#context_toggleMuteSelectedTabs[muted],
-#context_zenToggleMuteWebPanel[muted] {
-  --menu-image: url('media-unmute.svg');
-}
-
-#context-media-playbackrate {
-  --menu-image: url('media-speed.svg');
-}
-
-#context-video-fullscreen {
-  --menu-image: url('fullscreen.svg');
-}
-
-#context-leave-dom-fullscreen,
-menuitem[contexttype='fullscreen'][label*='Exit'] {
-  --menu-image: url('fullscreen-exit.svg');
-}
-
-#context-media-hidecontrols,
-#context-media-showcontrols {
-  --menu-image: url('permissions.svg');
-}
-
-#context_pinTab,
-#context_unpinTab,
-#context_pinSelectedTabs,
-#context_unpinSelectedTabs,
-.customize-context-moveToPanel,
-#context_zen-replace-pinned-url-with-current {
-  --menu-image: url('pin.svg');
-}
-
-#context_zen-add-essential {
-  --menu-image: url('essential-add.svg');
-}
-
-#context_zen-remove-essential {
-  --menu-image: url('essential-remove.svg');
-}
-
-.customize-context-removeFromToolbar {
-  --menu-image: url('unpin.svg');
-}
-
-#zen-sidebar-web-panel-pinned[pinned='true'] {
-  list-style-image: url('pin.svg') !important;
-}
-
-#zen-sidebar-web-panel-pinned {
-  list-style-image: url('unpin.svg') !important;
-}
-
-#context_duplicateTab,
-#context_duplicateTabs {
-  --menu-image: url('duplicate-tab.svg');
-}
-
-#zen-context-menu-compact-mode {
-  --menu-image: url('sidebar.svg');
-}
-
-#context_bookmarkTab,
-#context_bookmarkSelectedTabs,
-#toggle_PersonalToolbar,
-#context-bookmarklink,
-#toolbar-context-bookmarkSelectedTab,
-#toolbar-context-bookmarkSelectedTabs {
-  --menu-image: url('bookmark-hollow.svg');
-}
-
-menuitem[id='placesContext_show_bookmark:info'],
-menuitem[id='placesContext_show_folder:info'],
-menuitem[id='placesContext_show:info'] {
-  --menu-image: url('edit.svg');
-}
-
-menuitem[id='placesContext_showAllBookmarks'],
-#BMB_bookmarksShowAllTop,
-#BMB_bookmarksShowAll,
-.customize-context-manageExtension,
-.unified-extensions-context-menu-manage-extension {
-  --menu-image: url('manage.svg');
-}
-
-#BMB_viewBookmarksSidebar {
-  --menu-image: url('chrome://browser/skin/sidebars.svg');
-}
-
-#BMB_searchBookmarks {
-  --menu-image: url('search-page.svg');
-}
-
 #appMenuRecentlyClosedTabs {
   list-style-image: url('container-tab.svg') !important;
 }
@@ -986,58 +648,12 @@ menuitem[id='placesContext_showAllBookmarks'],
   list-style-image: url('manage.svg') !important;
 }
 
-menuitem[id='placesContext_new:bookmark'],
-menuitem[id='placesContext_new:folder'],
-menuitem[id='placesContext_new:separator'] {
-  --menu-image: url('plus.svg');
-}
-
-#context-savelinktopocket,
-#context-pocket {
-  --menu-image: url('pocket-outline.svg');
-}
-
-#context_moveTabOptions {
-  --menu-image: url('move-tab.svg');
-}
-
-.share-tab-url-item {
-  --menu-image: url('share.svg');
-}
-
-#context_reopenInContainer {
-  --menu-image: url('container-tab.svg');
-}
-
-#context_closeTab {
-  --menu-image: url('close.svg');
-}
-
-#context_closeTabOptions {
-  --menu-image: url('close-all.svg');
-}
-
-#context_zenUnloadTab,
-#context_zenUnloadWebPanel,
-#context_zenTabActions {
-  --menu-image: url('close-all.svg');
-}
-
-.customize-context-reportExtension,
-.unified-extensions-context-menu-report-extension {
-  --menu-image: url('report.svg');
-}
-
 /* FIX header icons for the app menu sub menus (eg. fx account, history...) */
 .panel-header > h1 {
   text-align: left;
   margin-left: 8px !important;
 }
 
-.wordmark::after {
-  content: 'Plus' !important;
-}
-
 /* header icons for the app menu sub menus (eg. fx account, history...) */
 .panel-header > h1 > span::before {
   content: '';
@@ -1082,53 +698,8 @@ menuitem[id='placesContext_new:separator'] {
   --fp-enabled: 1;
 }
 
-@media not (-moz-platform: linux) {
+#alltabs-button {
-  .unified-extensions-context-menu-pin-to-toolbar {
+  list-style-image: url('chrome://browser/skin/tabs.svg') !important;
-    --menu-image: url('pin.svg');
-  }
-}
-
-.unified-extensions-context-menu-move-widget-down {
-  --menu-image: url('arrow-down.svg');
-}
-
-.unified-extensions-context-menu-move-widget-up {
-  --menu-image: url('arrow-up.svg');
-}
-
-:not(:not(menubar) > menu, #ContentSelectDropdown)
-  > menupopup
-  > menuitem:not(
-    .menuitem-iconic,
-    [type='checkbox'],
-    [type='radio'],
-    .in-menulist,
-    .in-menulist menuitem,
-    .unified-nav-current
-  ),
-:not(:not(menubar) > menu, #ContentSelectDropdown)
-  > menupopup
-  > menu:not(.menu-iconic, [type='checkbox'], [type='radio'], .in-menulist, .in-menulist menu, .unified-nav-current),
-:not(:not(menubar) > menu, #ContentSelectDropdown) > menupopup > menucaption {
-  padding-inline-start: calc(
-    var(--fp-contextmenu-menuitem-padding-inline) + 16px + var(--fp-contextmenu-menuicon-margin-inline)
-  ) !important;
-}
-
-menupopup > menuitem:is([type='checkbox']) .menu-iconic-left {
-  --menu-image: none !important;
-  margin-inline-start: 4px;
-
-  @media not (-moz-platform: windows) {
-    margin-inline-end: 0;
-    padding-inline-end: 0;
-  }
-}
-
-@media (-moz-platform: windows) {
-  menupopup > menuitem[checked='true'] {
-    padding-inline-start: 6px;
-  }
 }
 
 #toolbar-context-toggle-vertical-tabs,

src/browser/themes/windows/browser-css.patch

@@ -1,21 +1,12 @@
 diff --git a/browser/themes/windows/browser.css b/browser/themes/windows/browser.css
-index 3e75a5f366e76acf4b9457a510b58b0cb8af580f..99b5712d533e99f3bb3f13c1485e771ab66731cd 100644
+index 007aec91e089a1d2df20235890b268b820b0a529..ac0592cbcec62ffefb58b491dff48749852f2d88 100644
 --- a/browser/themes/windows/browser.css
 +++ b/browser/themes/windows/browser.css
-@@ -34,7 +34,6 @@
+@@ -31,7 +31,6 @@
-         /* stylelint-disable-next-line media-query-no-invalid */
+     /* stylelint-disable-next-line media-query-no-invalid */
-         @media -moz-pref("widget.windows.mica.toplevel-backdrop", 2) {
+     @media -moz-pref("widget.windows.mica.toplevel-backdrop", 2) {
-           /* For acrylic, do the same we do for popups to guarantee some contrast */
+       /* For acrylic, do the same we do for popups to guarantee some contrast */
--          background-color: light-dark(rgba(255, 255, 255, .6), rgba(0, 0, 0, .6));
+-      background-color: light-dark(rgba(255, 255, 255, .6), rgba(0, 0, 0, .6));
-         }
-       }
-     }
-@@ -57,7 +56,7 @@
-       }
      }
+   }
  
--    &[sizemode="normal"] #navigator-toolbox {
-+    &[sizemode="normal"] #browser {
-       border-top: .5px solid ActiveBorder;
-       &:-moz-window-inactive {
-         border-top-color: InactiveBorder;

src/build/moz-build.patch

@@ -1,8 +1,8 @@
 diff --git a/build/moz.build b/build/moz.build
-index ad78395c33bba4f6a7bd73bae2a3b6e0658ed59e..a3ba1001a60b764c9ef1c824917fe4d5b81ed0b2 100644
+index f7a912ec35dd089ea9a7e712765e954854f55cb3..a84534efbc7662f81573a4a80bc045e0a6d2ed3e 100644
 --- a/build/moz.build
 +++ b/build/moz.build
-@@ -90,7 +90,7 @@ if CONFIG["MOZ_APP_BASENAME"]:
+@@ -89,7 +89,7 @@ if CONFIG["MOZ_APP_BASENAME"]:
          if CONFIG[var]:
              appini_defines[var] = True
  

src/build/pgo/profileserver-py.patch

@@ -1,5 +1,5 @@
 diff --git a/build/pgo/profileserver.py b/build/pgo/profileserver.py
-index c59efbdc5382da897dcac31da7039cdc92e1d7dc..9b14add5b0c5afec5b7efc7f9df7d04d3169fc80 100755
+index 6017810c873f6be5a5d133dc9386f7cd8879e81b..6d399e0c8135d2c27157c81d75515de04c39f1d7 100755
 --- a/build/pgo/profileserver.py
 +++ b/build/pgo/profileserver.py
 @@ -18,7 +18,13 @@ from mozprofile import FirefoxProfile, Preferences

src/docshell/base/nsAboutRedirector-cpp.patch

@@ -1,5 +1,5 @@
 diff --git a/docshell/base/nsAboutRedirector.cpp b/docshell/base/nsAboutRedirector.cpp
-index e95ff966b34576439c745aa206ff534a835c956f..5691cb2baa76b7cd543bb030b7c8d3028359bc4c 100644
+index 77491402cb2921ad52c028ee8fe940636cbe3cf1..e93265e1bb96a07a6d9a66074f191cb8c16fa37a 100644
 --- a/docshell/base/nsAboutRedirector.cpp
 +++ b/docshell/base/nsAboutRedirector.cpp
 @@ -108,7 +108,7 @@ static const RedirEntry kRedirMap[] = {

src/dom/base/use_counter_metrics-yaml.patch

@@ -1,8 +1,8 @@
 diff --git a/dom/base/use_counter_metrics.yaml b/dom/base/use_counter_metrics.yaml
-index 58755773c26952b79df258dd8f55147c77db9c5f..041bd3fe99303621733cd3543e196b6a03950526 100644
+index 6d2b80297f728af4e6b363e09dac4244d9ffd312..03ca7d1c7f27430923f146a3d3a708a09e351948 100644
 --- a/dom/base/use_counter_metrics.yaml
 +++ b/dom/base/use_counter_metrics.yaml
-@@ -21402,6 +21402,22 @@ use.counter.css.page:
+@@ -21527,6 +21527,22 @@ use.counter.css.page:
      send_in_pings:
        - use-counters
  
@@ -25,7 +25,7 @@ index 58755773c26952b79df258dd8f55147c77db9c5f..041bd3fe99303621733cd3543e196b6a
    css_transform_origin:
      type: counter
      description: >
-@@ -33372,6 +33388,22 @@ use.counter.css.doc:
+@@ -33497,6 +33513,22 @@ use.counter.css.doc:
      send_in_pings:
        - use-counters
  

src/dom/html/HTMLMediaElement-cpp.patch

@@ -1,8 +1,8 @@
 diff --git a/dom/html/HTMLMediaElement.cpp b/dom/html/HTMLMediaElement.cpp
-index 677a2f25b16f4cf724b57d86a2b83acf40ec6164..e06f85366866c1cc99d27bc10cbebf2cb986e5cb 100644
+index add22d0f3c462eae3d5b5140779ff7a4e25f9321..7653df83680ee0e6c765432b1539fe1c90bfae35 100644
 --- a/dom/html/HTMLMediaElement.cpp
 +++ b/dom/html/HTMLMediaElement.cpp
-@@ -455,6 +455,7 @@ class HTMLMediaElement::MediaControlKeyListener final
+@@ -452,6 +452,7 @@ class HTMLMediaElement::MediaControlKeyListener final
      // audible state. Therefore, in that case we would noitfy the audible state
      // when media starts playing.
      if (mState == MediaPlaybackState::ePlayed) {
@@ -10,8 +10,8 @@ index 677a2f25b16f4cf724b57d86a2b83acf40ec6164..e06f85366866c1cc99d27bc10cbebf2c
        NotifyAudibleStateChanged(mIsOwnerAudible
                                      ? MediaAudibleState::eAudible
                                      : MediaAudibleState::eInaudible);
-@@ -6967,6 +6968,9 @@ void HTMLMediaElement::FireTimeUpdate(TimeupdateType aType) {
+@@ -6955,6 +6956,9 @@ void HTMLMediaElement::FireTimeUpdate(TimeupdateType aType) {
-     DispatchAsyncEvent(std::move(runner));
+     QueueTask(std::move(runner));
      mQueueTimeUpdateRunnerTime = TimeStamp::Now();
      mLastCurrentTime = CurrentTime();
 +    if (aType == TimeupdateType::eMandatory) {

src/dom/script/ScriptLoader-cpp.patch

@@ -1,8 +1,8 @@
 diff --git a/dom/script/ScriptLoader.cpp b/dom/script/ScriptLoader.cpp
-index b3bec3821582d48c79cd88a4efe5c7bae1fd42e6..0bb81a8b0fa9478c894f80cfa81fd04c67fdd79f 100644
+index 51f63f998e47aa4b1dffc3cacdb0a698b33b4623..0387738ce1f29b5db4a5d03a3b2f5f3a91011125 100644
 --- a/dom/script/ScriptLoader.cpp
 +++ b/dom/script/ScriptLoader.cpp
-@@ -2670,6 +2670,36 @@ void ScriptLoader::CalculateBytecodeCacheFlag(ScriptLoadRequest* aRequest) {
+@@ -2679,6 +2679,36 @@ void ScriptLoader::CalculateBytecodeCacheFlag(ScriptLoadRequest* aRequest) {
        hasFetchCountMin = false;
        break;
      }

src/gfx/wr/webrender/src/picture-rs.patch

@@ -1,8 +1,8 @@
 diff --git a/gfx/wr/webrender/src/picture.rs b/gfx/wr/webrender/src/picture.rs
-index 7a811bc074959e0f0e7e25603acc4bf50edce4dc..4954cd9b2b3c9efdbe32343152c877186751ec26 100644
+index 3b0671ec8ffb8cbd0843e18569a948203c2b9cfe..77d4953cc9bf07d38efd26f4fe95e465b244598c 100644
 --- a/gfx/wr/webrender/src/picture.rs
 +++ b/gfx/wr/webrender/src/picture.rs
-@@ -7957,7 +7957,12 @@ fn get_relative_scale_offset(
+@@ -8027,7 +8027,12 @@ fn get_relative_scale_offset(
          CoordinateSpaceMapping::Local => ScaleOffset::identity(),
          CoordinateSpaceMapping::ScaleOffset(scale_offset) => scale_offset,
          CoordinateSpaceMapping::Transform(m) => {

src/image/decoders/nsJXLDecoder-h.patch

@@ -1,8 +1,8 @@
 diff --git a/image/decoders/nsJXLDecoder.h b/image/decoders/nsJXLDecoder.h
-index 6cde7456ca03f79e74401c1d215b9d50453ebf41..2f593ca3b70100c600b86e753d7a458c83b4f15c 100644
+index 0b723878aefdc5a37c2cffb72a561f859ad79cdf..6d39326dbefa9a85cc02b426de5c9f9149fe612d 100644
 --- a/image/decoders/nsJXLDecoder.h
 +++ b/image/decoders/nsJXLDecoder.h
-@@ -48,6 +48,18 @@ class nsJXLDecoder final : public Decoder {
+@@ -46,6 +46,18 @@ class nsJXLDecoder final : public Decoder {
    Vector<uint8_t> mBuffer;
    Vector<uint8_t> mOutBuffer;
    JxlBasicInfo mInfo{};

src/layout/generic/nsIFrame-cpp.patch

@@ -1,8 +1,8 @@
 diff --git a/layout/generic/nsIFrame.cpp b/layout/generic/nsIFrame.cpp
-index 0fff882bd3b643e3ab59cfaada984bef0ae7fee4..71e981251fa9395cbb14927d9bd3473c1e18a2cb 100644
+index fe05efa67f97e0d8cc327a4744a225ed5c6132c9..cce0dfb537fa1735b8e7ff67684d373a3081a527 100644
 --- a/layout/generic/nsIFrame.cpp
 +++ b/layout/generic/nsIFrame.cpp
-@@ -11721,6 +11721,11 @@ gfx::Matrix nsIFrame::ComputeWidgetTransform() const {
+@@ -11810,6 +11810,11 @@ gfx::Matrix nsIFrame::ComputeWidgetTransform() const {
    gfx::Matrix4x4 matrix = nsStyleTransformMatrix::ReadTransforms(
        uiReset->mMozWindowTransform, refBox, float(appUnitsPerDevPixel));
  

src/layout/style/nsStyleStruct-cpp.patch

@@ -1,8 +1,8 @@
 diff --git a/layout/style/nsStyleStruct.cpp b/layout/style/nsStyleStruct.cpp
-index f89bade8099183baa55b38ccc3c77c7ba9f1a290..8ada58a7965e7f2c9375d8b9bf64a5c78d80bf3f 100644
+index 8f587542ad248f7c0183e1787c81f37170c7ba54..3b213204e0faabb7ad8988872c8b39c776b87d73 100644
 --- a/layout/style/nsStyleStruct.cpp
 +++ b/layout/style/nsStyleStruct.cpp
-@@ -3204,6 +3204,9 @@ nsStyleUIReset::nsStyleUIReset()
+@@ -3229,6 +3229,9 @@ nsStyleUIReset::nsStyleUIReset()
        mWindowShadow(StyleWindowShadow::Auto),
        mWindowOpacity(1.0),
        mMozWindowInputRegionMargin(StyleLength::Zero()),
@@ -12,7 +12,7 @@ index f89bade8099183baa55b38ccc3c77c7ba9f1a290..8ada58a7965e7f2c9375d8b9bf64a5c7
        mTransitions(
            nsStyleAutoArray<StyleTransition>::WITH_SINGLE_INITIAL_ELEMENT),
        mTransitionTimingFunctionCount(1),
-@@ -3247,6 +3250,7 @@ nsStyleUIReset::nsStyleUIReset(const nsStyleUIReset& aSource)
+@@ -3272,6 +3275,7 @@ nsStyleUIReset::nsStyleUIReset(const nsStyleUIReset& aSource)
        mWindowOpacity(aSource.mWindowOpacity),
        mMozWindowInputRegionMargin(aSource.mMozWindowInputRegionMargin),
        mMozWindowTransform(aSource.mMozWindowTransform),

src/layout/style/nsStyleStruct-h.patch

@@ -1,8 +1,8 @@
 diff --git a/layout/style/nsStyleStruct.h b/layout/style/nsStyleStruct.h
-index 472c15a359ecd7ad0834d479f1acc53b4527f5ac..9f8377ab507b5883b92621160987a97e0be80014 100644
+index 1c6e2b5a3d4a0ca2b5ef50a84c220958885ce3e3..d74f5558ab70c53fc2649f0f3ab40a456c3e1c6a 100644
 --- a/layout/style/nsStyleStruct.h
 +++ b/layout/style/nsStyleStruct.h
-@@ -1876,6 +1876,7 @@ struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleUIReset {
+@@ -2003,6 +2003,7 @@ struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleUIReset {
    // The margin of the window region that should be transparent to events.
    mozilla::StyleLength mMozWindowInputRegionMargin;
    mozilla::StyleTransform mMozWindowTransform;