feat: Overflow web extensions below the urlbar, p=#12273

* feat: Overflow web extensions below the urlbar, b=no-bug, c=common * chore: Ignore toolbar CSS, b=no-bug, c=no-component
feat: Remove null-setting for split view data on restore, b=no-bug, c=no-component
2026-02-07 04:17:16 +00:00 · 2026-02-06 22:56:11 +01:00 · 2026-02-06 14:10:02 +01:00 · 2026-02-06 14:04:04 +01:00 · 2026-02-06 12:45:24 +01:00 · 2026-02-05 23:23:17 +01:00
53 changed files with 261 additions and 106 deletions
--- a/.prettierignore
+++ b/.prettierignore
@@ -37,5 +37,6 @@ src/zen/common/ZenEmojis.mjs

 src/zen/split-view/zen-decks.css
 src/zen/workspaces/zen-workspaces.css
+src/zen/common/styles/zen-toolbar.css

 *.inc
--- a/README.md
+++ b/README.md
@@ -34,8 +34,8 @@ Zen is a firefox-based browser with the aim of pushing your productivity to a ne

 ### Firefox Versions

- [`Release`](https://zen-browser.app/download) - Is currently built using Firefox version `147.0.2`! 🚀
- [`Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 147.0.2`!
+- [`Release`](https://zen-browser.app/download) - Is currently built using Firefox version `147.0.3`! 🚀
+- [`Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 147.0.3`!

 ### Contributing

--- a/build/firefox-cache/l10n-last-commit-hash
+++ b/build/firefox-cache/l10n-last-commit-hash
@@ -1 +1 @@
-7712a9ac90683965f71be525fe2827467632715d
+b1e00b74d3791a5a7bbd6ba3d32b69b60471e73b
--- a/locales/ca/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/ca/browser/browser/preferences/zen-preferences.ftl
@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Commuta l'emmagatzematge
 zen-devtools-toggle-dom-shortcut = Commuta el DOM
 zen-devtools-toggle-accessibility-shortcut = Commuta l'accessibilitat
 zen-close-all-unpinned-tabs-shortcut = Tanca totes les pestanyes no fixades
-zen-new-unsynced-window-shortcut = Nova finestra no sincronitzada
+zen-new-unsynced-window-shortcut = Nova finestra en blanc
--- a/locales/ca/browser/browser/zen-menubar.ftl
+++ b/locales/ca/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = Fosca
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nova finestra en blanc
--- a/locales/cy/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/cy/browser/browser/preferences/zen-preferences.ftl
@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Toglo Storio
 zen-devtools-toggle-dom-shortcut = Toglo DOM
 zen-devtools-toggle-accessibility-shortcut = Toglo Hygyrchedd
 zen-close-all-unpinned-tabs-shortcut = Cau Pob Tab Heb ei Binio
-zen-new-unsynced-window-shortcut = Ffenestr Newydd Heb ei Chydweddu
+zen-new-unsynced-window-shortcut = Ffenestr Wag Newydd
--- a/locales/cy/browser/browser/zen-general.ftl
+++ b/locales/cy/browser/browser/zen-general.ftl
@@ -2,8 +2,8 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.

-zen-panel-ui-current-profile-text = proffil cyfredol
-unified-extensions-description = Mae ychwanegiadau'n cael ei defnyddio er mwyn ychwanegu fwy o weithrediadau i { -brand-short-name }.
+zen-panel-ui-current-profile-text = y proffil cyfredol
+unified-extensions-description = Mae estyniadau'n cael ei defnyddio er mwyn ychwanegu fwy o swyddogaeth i { -brand-short-name }.
 tab-context-zen-reset-pinned-tab = 
    .label = Ailosod Tab wedi'i Binio
    .accesskey = A
@@ -109,7 +109,7 @@ zen-sidebar-notification-updated-tooltip =
 zen-sidebar-notification-restart-safe-mode-label = Rhywbeth wedi torri?
 zen-sidebar-notification-restart-safe-mode-tooltip = 
    .title = Ailgychwyn yn y Modd Diogel
-zen-window-sync-migration-dialog-title = Keep Your Windows in Sync
-zen-window-sync-migration-dialog-message = Zen now syncs windows on the same device, so changes in one window are reflected across the others instantly.
-zen-window-sync-migration-dialog-learn-more = Learn More
-zen-window-sync-migration-dialog-accept = Got It
+zen-window-sync-migration-dialog-title = Cadw Eich Ffenestr Wedi'u Cydweddu
+zen-window-sync-migration-dialog-message = Mae Zen bellach yn cydweddu ffenestri ar yr un ddyfais, felly mae newidiadau mewn un ffenestr yn cael eu dangos ar y lleill yn syth.
+zen-window-sync-migration-dialog-learn-more = Dysgu Rhagor
+zen-window-sync-migration-dialog-accept = Iawn
--- a/locales/cy/browser/browser/zen-menubar.ftl
+++ b/locales/cy/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = Tywyll
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Ffenestr Wag Newydd
--- a/locales/en-US/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/en-US/browser/browser/preferences/zen-preferences.ftl
@@ -59,6 +59,9 @@ zen-tabs-select-recently-used-on-close =
 zen-tabs-close-on-back-with-no-history =
    .label = Close tab and switch to its owner tab (or most recently used tab) when going back with no history

+zen-settings-workspaces-sync-unpinned-tabs =
+    .label = Sync only pinned tabs in workspaces
+
 zen-tabs-cycle-by-attribute =
  .label = Ctrl+Tab cycles within Essential or Workspace tabs only
 zen-tabs-cycle-ignore-pending-tabs =
--- a/locales/fr/browser/browser/zen-menubar.ftl
+++ b/locales/fr/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = Sombre
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nouvelle fenêtre non synchronisée
--- a/locales/ga-IE/browser/browser/zen-menubar.ftl
+++ b/locales/ga-IE/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = Dorcha
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Fuinneog Nua Bán
--- a/locales/he/browser/browser/zen-menubar.ftl
+++ b/locales/he/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = כהה
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = חלון ריק חדש
--- a/locales/hu/browser/browser/zen-menubar.ftl
+++ b/locales/hu/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = Sötét
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Új üres lap
--- a/locales/id/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/id/browser/browser/preferences/zen-preferences.ftl
@@ -49,8 +49,8 @@ zen-tabs-close-on-back-with-no-history =
 zen-tabs-cycle-by-attribute = 
    .label = Ctrl+Tab berputar hanya dalam tab Esensial atau Ruang Kerja
 zen-tabs-cycle-ignore-pending-tabs = 
-    .label = Ignore Pending tabs when cycling with Ctrl+Tab
-zen-tabs-cycle-by-attribute-warning = Ctrl+Tab will cycle by recently used order, as it is enabled
+    .label = Lewati tab tak termuat saat beralih dengan Ctrl+Tab
+zen-tabs-cycle-by-attribute-warning = Ctrl+Tab akan beralih berdasarkan urutan terakhir digunakan
 zen-look-and-feel-compact-toolbar-themed = 
    .label = Gunakan latar belakang bertema untuk bilah atas dalam mode ringkas
 zen-workspace-continue-where-left-off = 
@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Ubah Penyimpanan
 zen-devtools-toggle-dom-shortcut = Ubah DOM
 zen-devtools-toggle-accessibility-shortcut = Ubah Aksesibilitas
 zen-close-all-unpinned-tabs-shortcut = Tutup Semua Tab yang Tidak Disematkan
-zen-new-unsynced-window-shortcut = New Unsynced Window
+zen-new-unsynced-window-shortcut = Jendela Kosong Baru
--- a/locales/id/browser/browser/zen-general.ftl
+++ b/locales/id/browser/browser/zen-general.ftl
@@ -60,8 +60,8 @@ zen-site-data-settings = Pengaturan
 zen-generic-manage = Kelola
 zen-generic-more = Selengkapnya
 zen-generic-next = Lanjut
-zen-essentials-promo-label = Add to Essentials
-zen-essentials-promo-sublabel = Keep your favorite tabs just a click away
+zen-essentials-promo-label = Tambahkan ke Essentials
+zen-essentials-promo-sublabel = Akses tab favorit Anda hanya dengan sekali klik
 # These labels will be used for the site data panel settings
 zen-site-data-setting-allow = Diizinkan
 zen-site-data-setting-block = Diblokir
@@ -109,7 +109,7 @@ zen-sidebar-notification-updated-tooltip =
 zen-sidebar-notification-restart-safe-mode-label = Ada yang rusak?
 zen-sidebar-notification-restart-safe-mode-tooltip = 
    .title = Mulai Ulang dalam Mode Aman
-zen-window-sync-migration-dialog-title = Keep Your Windows in Sync
-zen-window-sync-migration-dialog-message = Zen now syncs windows on the same device, so changes in one window are reflected across the others instantly.
-zen-window-sync-migration-dialog-learn-more = Learn More
-zen-window-sync-migration-dialog-accept = Got It
+zen-window-sync-migration-dialog-title = Jaga Jendela Anda Tetap Sinkron
+zen-window-sync-migration-dialog-message = Zen kini menyinkronkan jendela pada perangkat yang sama, sehingga perubahan di satu jendela akan langsung terlihat di jendela lainnya.
+zen-window-sync-migration-dialog-learn-more = Pelajari Lebih Lanjut
+zen-window-sync-migration-dialog-accept = Oke!
--- a/locales/id/browser/browser/zen-menubar.ftl
+++ b/locales/id/browser/browser/zen-menubar.ftl
@@ -4,19 +4,19 @@

 zen-menubar-toggle-pinned-tabs = 
    .label =
-        { $pinnedAreCollapsed ->
-            [true] Expand Pinned Tabs
-           *[false] Collapse Pinned Tabs
+        { $pinnedAreCollapsed -> 
+         [true] Perluas Tab yang Disematkan 
+         *[false] Ciutkan Tab yang Disematkan 
        }
 zen-menubar-appearance = 
-    .label = Appearance
+    .label = Tampilan
 zen-menubar-appearance-description = 
-    .label = Websites will use:
+    .label = Situs web akan menggunakan:
 zen-menubar-appearance-auto = 
-    .label = Automatic
+    .label = Otomatis
 zen-menubar-appearance-light = 
-    .label = Light
+    .label = Terang
 zen-menubar-appearance-dark = 
-    .label = Dark
+    .label = Gelap
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Jendela Kosong Baru
--- a/locales/id/browser/browser/zen-workspaces.ftl
+++ b/locales/id/browser/browser/zen-workspaces.ftl
@@ -4,13 +4,13 @@

 zen-panel-ui-workspaces-text = Ruang Kerja Lainnya
 zen-panel-ui-spaces-label = 
-    .label = Spaces
+    .label = Ruang
 zen-panel-ui-workspaces-create = 
    .label = Buat Ruang
 zen-panel-ui-folder-create = 
    .label = Buat Folder
 zen-panel-ui-new-empty-split = 
-    .label = New Split
+    .label = Split Baru
 zen-workspaces-panel-context-delete = 
    .label = Hapus Ruang
    .accesskey = D
@@ -66,6 +66,6 @@ zen-workspaces-close-all-unpinned-tabs-title =
    .label = Bersihkan
    .tooltiptext = Tutup semua tab yang tidak disematkan
 zen-panel-ui-workspaces-change-forward = 
-    .label = Next Space
+    .label = Ruang Selanjutnya
 zen-panel-ui-workspaces-change-back = 
-    .label = Previous Space
+    .label = Ruang Sebelumnya
--- a/locales/is/browser/browser/zen-menubar.ftl
+++ b/locales/is/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = Dökkt
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nýr auður gluggi
--- a/locales/ko/browser/browser/zen-menubar.ftl
+++ b/locales/ko/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = 다크
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = 새 빈 창
--- a/locales/lt/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/lt/browser/browser/preferences/zen-preferences.ftl
@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Perjungti saugyklą
 zen-devtools-toggle-dom-shortcut = Perjungti DOM
 zen-devtools-toggle-accessibility-shortcut = Perjungti prieinamumą
 zen-close-all-unpinned-tabs-shortcut = Užverti visas neprisegtas korteles
-zen-new-unsynced-window-shortcut = Naujas nesinchronizuotas langas
+zen-new-unsynced-window-shortcut = Naujas tuščias langas
--- a/locales/lt/browser/browser/zen-general.ftl
+++ b/locales/lt/browser/browser/zen-general.ftl
@@ -60,8 +60,8 @@ zen-site-data-settings = Nustatymai
 zen-generic-manage = Tvarkyti
 zen-generic-more = Daugiau
 zen-generic-next = Sekantis
-zen-essentials-promo-label = Add to Essentials
-zen-essentials-promo-sublabel = Keep your favorite tabs just a click away
+zen-essentials-promo-label = Įtraukti į būtiniausius
+zen-essentials-promo-sublabel = Laikykite mėgstamas korteles vos nuo vienu paspaudimu
 # These labels will be used for the site data panel settings
 zen-site-data-setting-allow = Leidžiama
 zen-site-data-setting-block = Užblokuota
@@ -109,7 +109,7 @@ zen-sidebar-notification-updated-tooltip =
 zen-sidebar-notification-restart-safe-mode-label = Kažkas sugedo?
 zen-sidebar-notification-restart-safe-mode-tooltip = 
    .title = Paleisti iš naujo saugioje režime
-zen-window-sync-migration-dialog-title = Keep Your Windows in Sync
-zen-window-sync-migration-dialog-message = Zen now syncs windows on the same device, so changes in one window are reflected across the others instantly.
-zen-window-sync-migration-dialog-learn-more = Learn More
-zen-window-sync-migration-dialog-accept = Got It
+zen-window-sync-migration-dialog-title = Išlaikykite savo langus sinchronizuotus
+zen-window-sync-migration-dialog-message = „Zen“ dabar sinchronizuoja langus tame pačiame įrenginyje, todėl viename lange atlikti pakeitimai iš karto atsispindi ir kituose.
+zen-window-sync-migration-dialog-learn-more = Sužinoti daugiau
+zen-window-sync-migration-dialog-accept = Supratau
--- a/locales/lt/browser/browser/zen-menubar.ftl
+++ b/locales/lt/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = Tamsų
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Naujas tuščias langas
--- a/locales/pt-BR/browser/browser/zen-menubar.ftl
+++ b/locales/pt-BR/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = Escuro
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nova janela em branco
--- a/locales/pt-PT/browser/browser/zen-general.ftl
+++ b/locales/pt-PT/browser/browser/zen-general.ftl
@@ -18,9 +18,9 @@ tab-context-zen-replace-pinned-url-with-current =
    .label = Substituir o URL Fixado pelo URL Atual
    .accesskey = C
 tab-context-zen-edit-title = 
-    .label = Change Label...
+    .label = Alterar etiqueta...
 tab-context-zen-edit-icon = 
-    .label = Change Icon...
+    .label = Alterar ícone...
 zen-themes-corrupted = O seu ficheiro de modificações do { -brand-short-name } está corrompido. Elas foram redefinidas como iguais às do tema padrão.
 zen-shortcuts-corrupted = O seu ficheiro de atalhos do { -brand-short-name } está corrompido. Eles foram redefinidos para os atalhos padrão.
 # note: Do not translate the "<br/>" tags in the following string
@@ -109,7 +109,7 @@ zen-sidebar-notification-updated-tooltip =
 zen-sidebar-notification-restart-safe-mode-label = Falhou alguma coisa?
 zen-sidebar-notification-restart-safe-mode-tooltip = 
    .title = Reiniciar em Modo de Segurança
-zen-window-sync-migration-dialog-title = Keep Your Windows in Sync
-zen-window-sync-migration-dialog-message = Zen now syncs windows on the same device, so changes in one window are reflected across the others instantly.
+zen-window-sync-migration-dialog-title = Mantenha As Suas Janelas Sincronizadas
+zen-window-sync-migration-dialog-message = Agora, o Zen sincroniza as janelas no dispositivo, pelo que alterações numa janela são refletidas instantaneamente nas outras.
 zen-window-sync-migration-dialog-learn-more = Learn More
-zen-window-sync-migration-dialog-accept = Got It
+zen-window-sync-migration-dialog-accept = Entendido
--- a/locales/pt-PT/browser/browser/zen-menubar.ftl
+++ b/locales/pt-PT/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = Escuro
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nova janela sem sincronização
--- a/locales/ru/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/ru/browser/browser/preferences/zen-preferences.ftl
@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Переключить хранилище
 zen-devtools-toggle-dom-shortcut = Переключить DOM
 zen-devtools-toggle-accessibility-shortcut = Включить/выключить специальные возможности
 zen-close-all-unpinned-tabs-shortcut = Закрыть все не закреплённые вкладки
-zen-new-unsynced-window-shortcut = Новое несинхронизированное окно
+zen-new-unsynced-window-shortcut = Новое пустое окно
--- a/locales/sv-SE/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/sv-SE/browser/browser/preferences/zen-preferences.ftl
@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Växla lagring
 zen-devtools-toggle-dom-shortcut = Växla DOM
 zen-devtools-toggle-accessibility-shortcut = Växla tillgänglighetsinställningar
 zen-close-all-unpinned-tabs-shortcut = Stäng alla flikar som inte är fästa
-zen-new-unsynced-window-shortcut = Nytt osynkroniserat fönster
+zen-new-unsynced-window-shortcut = Nytt tomt fönster
--- a/locales/sv-SE/browser/browser/zen-menubar.ftl
+++ b/locales/sv-SE/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = Mörkt
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Nytt tomt fönster
--- a/locales/tr/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/tr/browser/browser/preferences/zen-preferences.ftl
@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = Depolamayı Aç/Kapat
 zen-devtools-toggle-dom-shortcut = DOM'u Aç/Kapat
 zen-devtools-toggle-accessibility-shortcut = Erişilebilirliği Aç/Kapat
 zen-close-all-unpinned-tabs-shortcut = Sabitlenmemiş Tüm Sekmeleri Kapat
-zen-new-unsynced-window-shortcut = Senkronize Edilmemiş Yeni Pencere
+zen-new-unsynced-window-shortcut = Yeni Boş Pencere
--- a/locales/tr/browser/browser/zen-menubar.ftl
+++ b/locales/tr/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = Koyu
 zen-menubar-new-unsynced-window = 
-    .label = New Blank Window
+    .label = Yeni Boş Pencere
--- a/locales/zh-TW/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/zh-TW/browser/browser/preferences/zen-preferences.ftl
@@ -314,4 +314,4 @@ zen-devtools-toggle-storage-shortcut = 開啟儲存空間檢測器
 zen-devtools-toggle-dom-shortcut = 開啟 DOM
 zen-devtools-toggle-accessibility-shortcut = 開啟輔助功能
 zen-close-all-unpinned-tabs-shortcut = 關閉所有未釘選的分頁
-zen-new-unsynced-window-shortcut = 開新未同步視窗
+zen-new-unsynced-window-shortcut = 開新初始視窗
--- a/locales/zh-TW/browser/browser/zen-menubar.ftl
+++ b/locales/zh-TW/browser/browser/zen-menubar.ftl
@@ -19,4 +19,4 @@ zen-menubar-appearance-light =
 zen-menubar-appearance-dark = 
    .label = 暗色
 zen-menubar-new-unsynced-window = 
-    .label = 新的初始視窗
+    .label = 開新初始視窗
--- a/locales/zh-TW/browser/browser/zen-workspaces.ftl
+++ b/locales/zh-TW/browser/browser/zen-workspaces.ftl
@@ -49,7 +49,7 @@ zen-panel-ui-gradient-click-to-add = 點擊新增顏色
 zen-workspace-creation-name = 
    .placeholder = 工作區名稱
 zen-move-tab-to-workspace-button = 
-    .label = 移動至……
+    .label = 移動至…
    .tooltiptext = 將此視窗所有頁面移至單一工作區
 zen-workspaces-panel-context-reorder = 
    .label = 排序工作區
--- a/prefs/zen/view.yaml
+++ b/prefs/zen/view.yaml
@@ -54,3 +54,6 @@

 - name: zen.view.draggable-sidebar
  value: true
+
+- name: zen.view.overflow-webext-toolbar
+  value: true
--- a/prefs/zen/window-sync.yaml
+++ b/prefs/zen/window-sync.yaml
@@ -13,3 +13,6 @@

 - name: zen.window-sync.open-link-in-new-unsynced-window
  value: true
+
+- name: zen.window-sync.sync-only-pinned-tabs
+  value: false
--- a/src/browser/base/content/navigator-toolbox-inc-xhtml.patch
+++ b/src/browser/base/content/navigator-toolbox-inc-xhtml.patch
@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/navigator-toolbox.inc.xhtml b/browser/base/content/navigator-toolbox.inc.xhtml
-index 68c24f730d56f548cf1e286198a04f8363529378..71418c93ce7216d71412f2fa67295322bb73abad 100644
+index 68c24f730d56f548cf1e286198a04f8363529378..eb9aa5e77cf549062d8d3770f8057ceafe67c317 100644
 --- a/browser/base/content/navigator-toolbox.inc.xhtml
 +++ b/browser/base/content/navigator-toolbox.inc.xhtml
@@ -2,7 +2,7 @@
@@ -22,16 +22,17 @@ index 68c24f730d56f548cf1e286198a04f8363529378..71418c93ce7216d71412f2fa67295322
   <toolbar id="TabsToolbar"
            class="browser-toolbar browser-titlebar"
            fullscreentoolbar="true"
-@@ -62,6 +61,8 @@
+@@ -62,6 +61,9 @@
           <html:sidebar-pins-promo id="drag-to-pin-promo-card"></html:sidebar-pins-promo>
           <arrowscrollbox id="pinned-tabs-container" orient="horizontal" clicktoscroll=""></arrowscrollbox>
           <splitter orient="vertical" id="vertical-pinned-tabs-splitter" resizebefore="sibling" resizeafter="none" hidden="true"/>
+<html:div id="zen-overflow-extensions-list" skipintoolbarset="true"></html:div>
 +<html:div id="zen-essentials" skipintoolbarset="true"></html:div>
 +<html:div id="zen-tabs-wrapper">
           <hbox class="tab-drop-indicator" hidden="true"/>
           <arrowscrollbox id="tabbrowser-arrowscrollbox" orient="horizontal" flex="1" clicktoscroll="" scrolledtostart="" scrolledtoend="">
             <tab is="tabbrowser-tab" class="tabbrowser-tab" selected="true" visuallyselected="" fadein=""/>
-@@ -81,6 +82,7 @@
+@@ -81,6 +83,7 @@
                               tooltip="dynamic-shortcut-tooltip"
                               data-l10n-id="tabs-toolbar-new-tab"/>
           <html:span id="tabbrowser-tab-a11y-desc" hidden="true"/>
@@ -39,7 +40,7 @@ index 68c24f730d56f548cf1e286198a04f8363529378..71418c93ce7216d71412f2fa67295322
         </tabs>
 
         <toolbarbutton id="new-tab-button"
-@@ -106,9 +108,10 @@
+@@ -106,9 +109,10 @@
 #include private-browsing-indicator.inc.xhtml
     <toolbarbutton class="content-analysis-indicator toolbarbutton-1 content-analysis-indicator-icon"/>
 
--- a/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch
+++ b/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch
@@ -1,5 +1,5 @@
 diff --git a/browser/components/customizableui/CustomizableUI.sys.mjs b/browser/components/customizableui/CustomizableUI.sys.mjs
-index 9a98f56d83ee38e0f1aa41467b4ddf215c3d90f7..39e947ce083ce3b293337f5dbb40cd0b46db12e2 100644
+index 9a98f56d83ee38e0f1aa41467b4ddf215c3d90f7..2c9ea050174021c5323b3bec172409f115ad6684 100644
 --- a/browser/components/customizableui/CustomizableUI.sys.mjs
 +++ b/browser/components/customizableui/CustomizableUI.sys.mjs
@@ -14,6 +14,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
@@ -214,7 +214,27 @@ index 9a98f56d83ee38e0f1aa41467b4ddf215c3d90f7..39e947ce083ce3b293337f5dbb40cd0b
       }
       child.removeAttribute("cui-anchorid");
       child.removeAttribute("overflowedItem");
-@@ -8340,7 +8351,7 @@ class OverflowableToolbar {
+@@ -8121,6 +8132,9 @@ class OverflowableToolbar {
+    *   if no such list exists.
+    */
+   get #webExtList() {
+    if (this.#toolbar.getAttribute("addon-webext-overflowtarget") !== this.#webExtListRef?.id) {
+      this.#webExtListRef = null;
+    }
+     if (!this.#webExtListRef) {
+       let targetID = this.#toolbar.getAttribute("addon-webext-overflowtarget");
+       if (!targetID) {
+@@ -8132,6 +8146,9 @@ class OverflowableToolbar {
+       let win = this.#toolbar.ownerGlobal;
+       let { panel } = win.gUnifiedExtensions;
+       this.#webExtListRef = panel.querySelector(`#${targetID}`);
+      if (!this.#webExtListRef) {
+        this.#webExtListRef = win.document.getElementById(targetID);
+      }
+     }
+     return this.#webExtListRef;
+   }
+@@ -8340,7 +8357,7 @@ class OverflowableToolbar {
         break;
       }
       case "mousedown": {
--- a/src/browser/components/preferences/zen-settings.js
+++ b/src/browser/components/preferences/zen-settings.js
@@ -736,6 +736,7 @@ var gZenWorkspacesSettings = {
    Services.prefs.addObserver("zen.glance.enabled", tabsUnloaderPrefListener); // We can use the same listener for both prefs
    Services.prefs.addObserver("zen.workspaces.separate-essentials", tabsUnloaderPrefListener);
    Services.prefs.addObserver("zen.glance.activation-method", tabsUnloaderPrefListener);
+    Services.prefs.addObserver("zen.window-sync.sync-only-pinned-tabs", tabsUnloaderPrefListener);
    Services.prefs.addObserver(
      "zen.tabs.ctrl-tab.ignore-essential-tabs",
      toggleZenCycleByAttrWarning
@@ -745,6 +746,10 @@ var gZenWorkspacesSettings = {
      Services.prefs.removeObserver("zen.glance.enabled", tabsUnloaderPrefListener);
      Services.prefs.removeObserver("zen.glance.activation-method", tabsUnloaderPrefListener);
      Services.prefs.removeObserver("zen.workspaces.separate-essentials", tabsUnloaderPrefListener);
+      Services.prefs.removeObserver(
+        "zen.window-sync.sync-only-pinned-tabs",
+        tabsUnloaderPrefListener
+      );
      Services.prefs.removeObserver(
        "zen.tabs.ctrl-tab.ignore-essential-tabs",
        toggleZenCycleByAttrWarning
@@ -1198,6 +1203,11 @@ Preferences.addAll([
    type: "bool",
    default: true,
  },
+  {
+    id: "zen.window-sync.sync-only-pinned-tabs",
+    type: "bool",
+    default: false,
+  },
 ]);

 Preferences.addSetting({
--- a/src/browser/components/preferences/zenTabsManagement.inc.xhtml
+++ b/src/browser/components/preferences/zenTabsManagement.inc.xhtml
@@ -20,6 +20,9 @@
      <label><html:h2 data-l10n-id="zen-settings-workspaces-header"/></label>
      <description class="description-deemphasized" data-l10n-id="zen-settings-workspaces-description" />

+      <checkbox id="zenWorkspacesSyncUnpinnedTabs"
+            data-l10n-id="zen-settings-workspaces-sync-unpinned-tabs"
+            preference="zen.window-sync.sync-only-pinned-tabs"/>
      <checkbox id="zenWorkspacesHideDefaultContainer"
            data-l10n-id="zen-settings-workspaces-hide-default-container-indicator"
            preference="zen.workspaces.hide-default-container-indicator"/>
--- a/src/browser/components/tabbrowser/content/tab-js.patch
+++ b/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 6528da245d922e2ccdb59cbf8106055bc34d1e74..1cd3395961a80e3b48582794b5b5365c9b8386b3 100644
+index 6528da245d922e2ccdb59cbf8106055bc34d1e74..b5d5ac633c06d7d9c909ec9456a5f3c165a6b925 100644
 --- a/browser/components/tabbrowser/content/tab.js
 +++ b/browser/components/tabbrowser/content/tab.js
@@ -21,6 +21,7 @@
@@ -52,7 +52,7 @@ index 6528da245d922e2ccdb59cbf8106055bc34d1e74..1cd3395961a80e3b48582794b5b5365c
         return;
       }
 
-@@ -224,11 +227,21 @@
+@@ -224,11 +227,23 @@
     }
 
     get visible() {
@@ -64,7 +64,6 @@ index 6528da245d922e2ccdb59cbf8106055bc34d1e74..1cd3395961a80e3b48582794b5b5365c
 +      if (!this.isOpen || this.hidden || this.hasAttribute("zen-empty-tab")) {
 +        return false;
 +      }
-+
 +      // Selected tabs are always visible
 +      if (this.selected || this.multiselected || this.hasAttribute("folder-active")) return true;
 +      // Recursively check all parent groups
@@ -75,11 +74,14 @@ index 6528da245d922e2ccdb59cbf8106055bc34d1e74..1cd3395961a80e3b48582794b5b5365c
 +        }
 +        currentParent = currentParent.group;
 +      }
+      if (this.pinned && !this.hasAttribute("zen-essential") && gZenWorkspaces.activeWorkspaceElement?.hasCollapsedPinnedTabs) {
+        return false;
+      }
 +      return true;
     }
 
     get hidden() {
-@@ -307,7 +320,7 @@
+@@ -307,7 +322,7 @@
         return false;
       }
 
@@ -88,7 +90,7 @@ index 6528da245d922e2ccdb59cbf8106055bc34d1e74..1cd3395961a80e3b48582794b5b5365c
     }
 
     get lastAccessed() {
-@@ -384,7 +397,18 @@
+@@ -384,7 +399,18 @@
     }
 
     get group() {
@@ -108,7 +110,7 @@ index 6528da245d922e2ccdb59cbf8106055bc34d1e74..1cd3395961a80e3b48582794b5b5365c
     }
 
     get splitview() {
-@@ -489,6 +513,8 @@
+@@ -489,6 +515,8 @@
         this.style.MozUserFocus = "ignore";
       } else if (
         event.target.classList.contains("tab-close-button") ||
@@ -117,7 +119,7 @@ index 6528da245d922e2ccdb59cbf8106055bc34d1e74..1cd3395961a80e3b48582794b5b5365c
         event.target.classList.contains("tab-icon-overlay") ||
         event.target.classList.contains("tab-audio-button")
       ) {
-@@ -543,6 +569,10 @@
+@@ -543,6 +571,10 @@
       this.style.MozUserFocus = "";
     }
 
@@ -128,7 +130,7 @@ index 6528da245d922e2ccdb59cbf8106055bc34d1e74..1cd3395961a80e3b48582794b5b5365c
     on_click(event) {
       if (event.button != 0) {
         return;
-@@ -603,6 +633,14 @@
+@@ -603,6 +635,14 @@
         // (see tabbrowser-tabs 'click' handler).
         gBrowser.tabContainer._blockDblClick = true;
       }
@@ -143,7 +145,7 @@ index 6528da245d922e2ccdb59cbf8106055bc34d1e74..1cd3395961a80e3b48582794b5b5365c
     }
 
     on_dblclick(event) {
-@@ -626,6 +664,8 @@
+@@ -626,6 +666,8 @@
           animate: true,
           triggeringEvent: event,
         });
--- a/src/zen/common/jar.inc.mn
+++ b/src/zen/common/jar.inc.mn
@@ -25,7 +25,7 @@
        content/browser/zen-styles/zen-panel-ui.css                             (../../zen/common/styles/zen-panel-ui.css)
        content/browser/zen-styles/zen-single-components.css                    (../../zen/common/styles/zen-single-components.css)
        content/browser/zen-styles/zen-sidebar.css                              (../../zen/common/styles/zen-sidebar.css)
-        content/browser/zen-styles/zen-toolbar.css                              (../../zen/common/styles/zen-toolbar.css)
+*       content/browser/zen-styles/zen-toolbar.css                              (../../zen/common/styles/zen-toolbar.css)
        content/browser/zen-styles/zen-browser-container.css                    (../../zen/common/styles/zen-browser-container.css)
        content/browser/zen-styles/zen-omnibox.css                              (../../zen/common/styles/zen-omnibox.css)
        content/browser/zen-styles/zen-popup.css                                (../../zen/common/styles/zen-popup.css)
--- a/src/zen/common/modules/ZenUIManager.mjs
+++ b/src/zen/common/modules/ZenUIManager.mjs
@@ -1275,6 +1275,15 @@ window.gZenVerticalTabsManager = {
        appContentNavbarContaienr.append(windowButtons);
      }

+      if (
+        this._hasSetSingleToolbar &&
+        Services.prefs.getBoolPref("zen.view.overflow-webext-toolbar", true)
+      ) {
+        topButtons.setAttribute("addon-webext-overflowtarget", "zen-overflow-extensions-list");
+      } else {
+        topButtons.setAttribute("addon-webext-overflowtarget", "overflowed-extensions-list");
+      }
+
      gZenCompactModeManager.updateCompactModeContext(isSingleToolbar);

      // Always move the splitter next to the sidebar
--- a/src/zen/common/styles/zen-browser-ui.css
+++ b/src/zen/common/styles/zen-browser-ui.css
@@ -132,6 +132,7 @@
 }

 #nav-bar {
+  overflow: clip;
  border-top-color: transparent !important;

  :root[zen-single-toolbar="true"] & {
--- a/src/zen/common/styles/zen-omnibox.css
+++ b/src/zen/common/styles/zen-omnibox.css
@@ -80,7 +80,7 @@

 #urlbar:not([breakout-extend="true"]) {
  &:hover .urlbar-background {
-    background-color: light-dark(rgba(0, 0, 0, 0.1), rgba(255, 255, 255, 0.2)) !important;
+    background-color: var(--zen-toolbar-element-bg-hover) !important;
  }
 }

--- a/src/zen/common/styles/zen-overflowing-addons.css
+++ b/src/zen/common/styles/zen-overflowing-addons.css
@@ -0,0 +1,43 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#zen-overflow-extensions-list:not(:empty) {
+  --uei-icon-size: 16px;
+  display: flex;
+  gap: 8px;
+  padding: 8px calc(var(--zen-toolbox-padding) - 4px);
+  padding-bottom: 0px;
+
+  & .unified-extensions-item {
+    flex: 1;
+    margin: 0;
+  }
+
+  & .toolbarbutton-badge-stack {
+    margin: 0;
+  }
+
+  & .unified-extensions-item-action-button {
+    background-color: var(--zen-toolbar-element-bg);
+    height: 32px;
+    margin: 0;
+    justify-content: center;
+    align-items: center;
+    border-radius: var(--border-radius-medium);
+    overflow: clip;
+    padding: 0;
+
+    &:hover {
+      background-color: var(--zen-toolbar-element-bg-hover);
+    }
+  }
+
+  .unified-extensions-item-contents,
+  .unified-extensions-item-menu-button,
+  unified-extensions-item-messagebar-wrapper {
+    display: none;
+  }
+}
--- a/src/zen/common/styles/zen-theme.css
+++ b/src/zen/common/styles/zen-theme.css
@@ -141,14 +141,11 @@
  --zen-button-padding: 0.6rem 1.2rem;

  --zen-toolbar-element-bg: light-dark(
-    color-mix(in oklch, var(--toolbox-textcolor) 10%, transparent),
+    color-mix(in oklch, var(--toolbox-textcolor) 8%, transparent),
    color-mix(in oklch, var(--toolbox-textcolor) 15%, transparent)
  );

-  --zen-toolbar-element-bg-hover: light-dark(
-    color-mix(in srgb, var(--zen-toolbar-element-bg) 75%, transparent),
-    color-mix(in srgb, var(--zen-toolbar-element-bg) 60%, transparent)
-  );
+  --zen-toolbar-element-bg-hover: light-dark(rgba(0, 0, 0, 0.1), rgba(255, 255, 255, 0.2));

  /* Toolbar */
  --tab-selected-color-scheme: inherit !important;
--- a/src/zen/common/styles/zen-toolbar.css
+++ b/src/zen/common/styles/zen-toolbar.css
@@ -3,6 +3,7 @@
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
+
 #nav-bar,
 #zen-sidebar-top-buttons {
  background: transparent;
@@ -11,3 +12,5 @@
 :root[inDOMFullscreen="true"] #zen-appcontent-navbar-wrapper {
  visibility: collapse;
 }
+
+%include zen-overflowing-addons.css
--- a/src/zen/compact-mode/sidebar.inc.css
+++ b/src/zen/compact-mode/sidebar.inc.css
@@ -10,9 +10,14 @@
  }

  #zen-dragover-background {
-    width: calc(100% - var(--zen-toolbox-padding) * 2 - 5px);
+    width: calc(100% - var(--zen-toolbox-padding) * 2 - 7px);
    left: unset;
+    right: calc(var(--zen-toolbox-padding) + 3px);
    transform: translateY(-4px);
+
+    :root:not([zen-single-toolbar="true"]) & {
+      transform: translateY(calc(-100% - 2px));
+    }
  }

  #zen-tabbox-wrapper {
--- a/src/zen/drag-and-drop/ZenDragAndDrop.js
+++ b/src/zen/drag-and-drop/ZenDragAndDrop.js
@@ -936,7 +936,9 @@
      let dropElementFromEvent = event.target.closest(dropZoneSelector);
      dropElement = dropElementFromEvent || dropElement;
      if (!dropElementFromEvent) {
-        let hoveringPeriphery = !!event.target.closest("#tabbrowser-arrowscrollbox-periphery");
+        let hoveringPeriphery = !!event.target.closest(
+          ":is(#tabbrowser-arrowscrollbox-periphery, .pinned-tabs-container-separator)"
+        );
        if (event.target.classList.contains("zen-workspace-empty-space") || hoveringPeriphery) {
          let lastTab = gBrowser.tabs.at(-1);
          dropElement =
--- a/src/zen/sessionstore/ZenSessionManager.sys.mjs
+++ b/src/zen/sessionstore/ZenSessionManager.sys.mjs
@@ -11,6 +11,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
  PrivateBrowsingUtils: "resource://gre/modules/PrivateBrowsingUtils.sys.mjs",
  SessionStore: "resource:///modules/sessionstore/SessionStore.sys.mjs",
  gWindowSyncEnabled: "resource:///modules/zen/ZenWindowSync.sys.mjs",
+  gSyncOnlyPinnedTabs: "resource:///modules/zen/ZenWindowSync.sys.mjs",
  DeferredTask: "resource://gre/modules/DeferredTask.sys.mjs",
 });

@@ -562,10 +563,31 @@ export class nsZenSessionManager {
    if (!sidebar) {
      return;
    }
-    aWindowData.tabs = sidebar.tabs || [];
-    aWindowData.splitViewData = sidebar.splitViewData;
+    // If we should only sync the pinned tabs, we should only edit the unpinned
+    // tabs in the window data and keep the pinned tabs from the window data,
+    // as they should be the same as the ones in the sidebar.
+    if (lazy.gSyncOnlyPinnedTabs) {
+      let pinnedTabs = (sidebar.tabs || []).filter((tab) => tab.pinned);
+      let unpinedWindowTabs = (aWindowData.tabs || []).filter((tab) => !tab.pinned);
+      aWindowData.tabs = [...pinnedTabs, ...unpinedWindowTabs];
+
+      // We restore ALL the split view data in the sidebar, if the group doesn't exist in the window,
+      // it should be a no-op anyways.
+      aWindowData.splitViewData = [
+        ...(sidebar.splitViewData || []),
+        ...(aWindowData.splitViewData || []),
+      ];
+      // Same thing with groups, we restore all the groups from the sidebar, if they don't have any
+      // existing tabs in the window, they should be a no-op.
+      aWindowData.groups = [...(sidebar.groups || []), ...(aWindowData.groups || [])];
+    } else {
+      aWindowData.tabs = sidebar.tabs || [];
+      aWindowData.splitViewData = sidebar.splitViewData;
+      aWindowData.groups = sidebar.groups;
+    }
+
+    // Folders are always pinned, so we dont need to check for the pinned state here.
    aWindowData.folders = sidebar.folders;
-    aWindowData.groups = sidebar.groups;
    aWindowData.spaces = sidebar.spaces;
  }

@@ -599,9 +621,10 @@ export class nsZenSessionManager {
      this.#restoreWindowData(newWindow);
    }
    newWindow.tabs = this.#filterUnusedTabs(newWindow.tabs || []);
-    if (!lazy.gWindowSyncEnabled) {
-      // Don't bring over any unpinned tabs if window sync is disabled.
+    if (!lazy.gWindowSyncEnabled || lazy.gSyncOnlyPinnedTabs) {
+      // Don't bring over any unpinned tabs if window sync is disabled or if syncing only pinned tabs.
      newWindow.tabs = newWindow.tabs.filter((tab) => tab.pinned);
+      newWindow.groups = newWindow.groups?.filter((group) => group.pinned);
    }

    // These are window-specific from the previous window state that
--- a/src/zen/sessionstore/ZenWindowSync.sys.mjs
+++ b/src/zen/sessionstore/ZenWindowSync.sys.mjs
@@ -19,6 +19,12 @@ ChromeUtils.defineESModuleGetters(lazy, {
 });

 XPCOMUtils.defineLazyPreferenceGetter(lazy, "gWindowSyncEnabled", "zen.window-sync.enabled", true);
+XPCOMUtils.defineLazyPreferenceGetter(
+  lazy,
+  "gSyncOnlyPinnedTabs",
+  "zen.window-sync.sync-only-pinned-tabs",
+  true
+);
 XPCOMUtils.defineLazyPreferenceGetter(lazy, "gShouldLog", "zen.window-sync.log", true);

 const OBSERVING = ["browser-window-before-show", "sessionstore-windows-restored"];
@@ -241,7 +247,7 @@ class nsZenWindowSync {
        if (tab.pinned && !tab._zenPinnedInitialState) {
          await this.setPinnedTabState(tab);
        }
-        if (!lazy.gWindowSyncEnabled) {
+        if (!lazy.gWindowSyncEnabled || (lazy.gSyncOnlyPinnedTabs && !tab.pinned)) {
          tab._zenContentsVisible = true;
        }
      }
@@ -953,6 +959,9 @@ class nsZenWindowSync {
   */
  #delegateGenericSyncEvent(aEvent, flags = 0) {
    const item = aEvent.target;
+    if (lazy.gSyncOnlyPinnedTabs && !item.pinned) {
+      return;
+    }
    this.#syncItemForAllWindows(item, flags);
  }

@@ -1089,16 +1098,19 @@ class nsZenWindowSync {

  /* Mark: Event Handlers */

-  on_TabOpen(aEvent) {
+  on_TabOpen(aEvent, { duringPinning = false } = {}) {
    const tab = aEvent.target;
    const window = tab.ownerGlobal;
    const isUnsyncedWindow = window.gZenWorkspaces.privateWindowOrDisabled;
-    if (tab.id) {
+    if (tab.id && !duringPinning) {
      // This tab was opened as part of a sync operation.
      return;
    }
    tab._zenContentsVisible = true;
    tab.id = this.#newTabSyncId;
+    if (lazy.gSyncOnlyPinnedTabs && !tab.pinned) {
+      return;
+    }
    if (isUnsyncedWindow || !lazy.gWindowSyncEnabled) {
      return;
    }
@@ -1116,6 +1128,9 @@ class nsZenWindowSync {
        SYNC_FLAG_ICON | SYNC_FLAG_LABEL | SYNC_FLAG_MOVE
      );
    });
+    if (duringPinning && tab?.splitView) {
+      this.on_ZenSplitViewTabsSplit({ target: tab.group });
+    }
    this.#maybeFlushTabState(tab);
  }

@@ -1137,7 +1152,8 @@ class nsZenWindowSync {
  }

  on_TabMove(aEvent) {
-    return this.#delegateGenericSyncEvent(aEvent, SYNC_FLAG_MOVE);
+    this.#delegateGenericSyncEvent(aEvent, SYNC_FLAG_MOVE);
+    return Promise.resolve();
  }

  on_TabPinned(aEvent) {
@@ -1149,7 +1165,14 @@ class nsZenWindowSync {
    if (!tab._zenPinnedInitialState) {
      tabStatePromise = this.setPinnedTabState(tab);
    }
-    return Promise.all([tabStatePromise, this.on_TabMove(aEvent)]);
+    return Promise.all([
+      tabStatePromise,
+      this.on_TabMove(aEvent).then(() => {
+        if (lazy.gSyncOnlyPinnedTabs) {
+          this.on_TabOpen({ target: tab }, { duringPinning: true });
+        }
+      }),
+    ]);
  }

  on_TabUnpinned(aEvent) {
@@ -1160,7 +1183,11 @@ class nsZenWindowSync {
        delete targetTab._zenPinnedInitialState;
      }
    });
-    return this.on_TabMove(aEvent);
+    return this.on_TabMove(aEvent).then(() => {
+      if (lazy.gSyncOnlyPinnedTabs) {
+        this.on_TabClose({ target: tab });
+      }
+    });
  }

  on_TabAddedToEssentials(aEvent) {
@@ -1351,4 +1378,6 @@ class nsZenWindowSync {

 // eslint-disable-next-line mozilla/valid-lazy
 export const gWindowSyncEnabled = lazy.gWindowSyncEnabled;
+// eslint-disable-next-line mozilla/valid-lazy
+export const gSyncOnlyPinnedTabs = lazy.gSyncOnlyPinnedTabs;
 export const ZenWindowSync = new nsZenWindowSync();
--- a/src/zen/tabs/ZenPinnedTabManager.mjs
+++ b/src/zen/tabs/ZenPinnedTabManager.mjs
@@ -560,9 +560,6 @@ class nsZenPinnedTabManager extends nsZenDOMOperatedFeature {

  // eslint-disable-next-line complexity
  moveToAnotherTabContainerIfNecessary(event, draggedTab, movingTabs, dropIndex) {
-    if (!this.enabled) {
-      return false;
-    }
    let newIndex = dropIndex;
    let fromDifferentWindow = false;
    movingTabs = Array.from(movingTabs || draggedTab)
--- a/surfer.json
+++ b/surfer.json
@@ -5,8 +5,8 @@
  "binaryName": "zen",
  "version": {
    "product": "firefox",
-    "version": "147.0.2",
-    "candidate": "147.0.2",
+    "version": "147.0.3",
+    "candidate": "147.0.3",
    "candidateBuild": 1
  },
  "buildOptions": {
@@ -20,7 +20,7 @@
      "brandShortName": "Zen",
      "brandFullName": "Zen Browser",
      "release": {
-        "displayVersion": "1.18.4b",
+        "displayVersion": "1.18.5b",
        "github": {
          "repo": "zen-browser/desktop"
        },
@@ -54,4 +54,4 @@
    "licenseType": "MPL-2.0"
  },
  "updateHostname": "updates.zen-browser.app"
-}
+}
Author	SHA1	Message	Date
mr. m	ba2a854784	feat: Overflow web extensions below the urlbar, p=#12273 * feat: Overflow web extensions below the urlbar, b=no-bug, c=common * chore: Ignore toolbar CSS, b=no-bug, c=no-component	2026-02-06 22:56:11 +01:00
mr. m	c9474cecc0	feat: Remove null-setting for split view data on restore, b=no-bug, c=no-component	2026-02-06 14:10:02 +01:00
mr. m	531be839c9	fix: Fixed frozen window when restore split data is null, b=closes #12260 , c=no-component	2026-02-06 14:04:04 +01:00
mr. m	226486b973	fix: Fixed selecting tabs when pinned tabs are collapsed, b=no-bug, c=no-component	2026-02-06 12:45:24 +01:00
mr. m	5a137c95e5	fix: Fixed wrong highlight possition in compact mode, b=closes #12252 , c=compact-mode	2026-02-05 23:23:17 +01:00
mr. m	e6154ceb99	feat: Make sure we properly restore split views when only pinned sync is enabled, b=no-bug, c=no-component	2026-02-05 23:01:49 +01:00
mr. m	1ea5d2fa6f	feat: Import `zen.window-sync.sync-only-pinned-tabs` to the prefs list, b=no-bug, c=no-component	2026-02-05 11:18:02 +01:00
mr. m	97d5ebc21e	feat: Add pref observer for `zen.window-sync.sync-only-pinned-tabs` setting, b=no-bug, c=no-component	2026-02-05 11:14:48 +01:00
mr. m	442ec2a5d1	chore: Bump version and format, b=no-bug, c=tests	2026-02-05 11:13:02 +01:00
mr. m	43ae672b44	feat: Revert migration step for syncing only pinned tabs, b=no-bug, c=common	2026-02-05 11:12:01 +01:00
mr. m	84a54c9dbb	feat: Add option to only sync up pinned tabs, b=closes #12173 , p=#12246, c=common, tabs	2026-02-05 11:05:37 +01:00
mr. m	6c53c3bf37	chore: Sync upstream Firefox to version `147.0.3`, p=#12243 * chore: Sync upstream to `Firefox 147.0.3` * Update candidate version to 147.0.3 Signed-off-by: mr. m <91018726+mr-cheffy@users.noreply.github.com> * Update Twilight version to RC 147.0.3 in README Signed-off-by: mr. m <91018726+mr-cheffy@users.noreply.github.com> --------- Signed-off-by: mr. m <91018726+mr-cheffy@users.noreply.github.com>	2026-02-05 11:04:53 +01:00
mr. m	66686ab7f8	New Crowdin updates, p=#11954 * New translations zen-general.ftl (Lithuanian) * New translations zen-general.ftl (Portuguese) * New translations zen-preferences.ftl (Lithuanian) * New translations zen-preferences.ftl (Swedish) * New translations zen-preferences.ftl (Chinese Traditional) * New translations zen-preferences.ftl (Welsh) * New translations zen-menubar.ftl (French) * New translations zen-menubar.ftl (Catalan) * New translations zen-menubar.ftl (Hebrew) * New translations zen-menubar.ftl (Hungarian) * New translations zen-menubar.ftl (Korean) * New translations zen-menubar.ftl (Lithuanian) * New translations zen-menubar.ftl (Portuguese) * New translations zen-menubar.ftl (Swedish) * New translations zen-menubar.ftl (Turkish) * New translations zen-menubar.ftl (Chinese Traditional) * New translations zen-menubar.ftl (Icelandic) * New translations zen-menubar.ftl (Portuguese, Brazilian) * New translations zen-menubar.ftl (Welsh) * New translations zen-preferences.ftl (Catalan) * New translations zen-preferences.ftl (Russian) * New translations zen-preferences.ftl (Turkish) * New translations zen-general.ftl (Indonesian) * New translations zen-workspaces.ftl (Chinese Traditional) * New translations zen-menubar.ftl (Chinese Traditional) * New translations zen-menubar.ftl (Indonesian) * New translations zen-workspaces.ftl (Indonesian) * New translations zen-preferences.ftl (Indonesian) * New translations zen-general.ftl (Welsh) * New translations zen-menubar.ftl (French) * New translations zen-menubar.ftl (Irish)	2026-02-05 11:00:01 +01:00