feat: update preferences and UI components for new features and improvements

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

@@ -1,8 +1,8 @@
 diff --git a/browser/base/content/aboutDialog.xhtml b/browser/base/content/aboutDialog.xhtml
-index 53e4616a99b7826453d5b6dea027184d90bc73f7..90c9fe5683411cf3087bebd3d0941decf6d23e89 100644
+index c64980810570fcea84e33fdc2d66ac42a79f4e46..b7198e810a7510fa82cc6801cfd01c88a08d42c1 100644
 --- a/browser/base/content/aboutDialog.xhtml
 +++ b/browser/base/content/aboutDialog.xhtml
-@@ -34,6 +34,7 @@
+@@ -35,6 +35,7 @@
  
      <html:link rel="localization" href="branding/brand.ftl"/>
      <html:link rel="localization" href="browser/aboutDialog.ftl"/>
@@ -10,7 +10,7 @@ index 53e4616a99b7826453d5b6dea027184d90bc73f7..90c9fe5683411cf3087bebd3d0941dec
    </linkset>
  
    <html:div id="aboutDialogContainer">
-@@ -124,21 +125,23 @@
+@@ -125,21 +126,23 @@
              </description>
            </vbox>
            <description class="text-blurb" id="communityDesc" data-l10n-id="community-2">
@@ -30,8 +30,8 @@ index 53e4616a99b7826453d5b6dea027184d90bc73f7..90c9fe5683411cf3087bebd3d0941dec
      <vbox id="bottomBox">
        <hbox pack="center">
          <label is="text-link" class="bottom-link" useoriginprincipal="true" href="about:license" data-l10n-id="bottomLinks-license"/>
--        <label is="text-link" class="bottom-link" href="https://www.mozilla.org/about/legal/terms/firefox/" data-l10n-id="bottomLinks-rights"/>
--        <label is="text-link" class="bottom-link" href="https://www.mozilla.org/privacy/firefox/?utm_source=firefox-browser&#38;utm_medium=firefox-desktop&#38;utm_campaign=about-dialog" data-l10n-id="bottomLinks-privacy"/>
+-        <label is="text-link" class="bottom-link" href="https://www.mozilla.org/about/legal/terms/firefox/" data-l10n-id="bottom-links-terms"/>
+-        <label is="text-link" class="bottom-link" href="https://www.mozilla.org/privacy/firefox/?utm_source=firefox-browser&#38;utm_medium=firefox-desktop&#38;utm_campaign=about-dialog" data-l10n-id="bottom-links-privacy"/>
 +        <label is="text-link" class="bottom-link" href="about:rights" data-l10n-id="bottomLinks-rights"/>
 +        <label is="text-link" class="bottom-link" href="https://www.zen-browser.app/privacy-policy/" data-l10n-id="bottomLinks-privacy"/>
        </hbox>

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

@@ -1,17 +1,17 @@
 diff --git a/browser/base/content/browser-box.inc.xhtml b/browser/base/content/browser-box.inc.xhtml
-index 7d7e8697f02f90d4f336c9ab0a73a89848e0c21c..2fd19f3b43db4bdd99e65fecd1481f80d4541a7a 100644
+index 2ca8bdd2674fb4addf3bbf94ff17abc5c93c6293..49c772ae71e6b3793ff806d22197d3028ff4385f 100644
 --- a/browser/base/content/browser-box.inc.xhtml
 +++ b/browser/base/content/browser-box.inc.xhtml
-@@ -23,7 +23,14 @@
-     <browser id="sidebar" autoscroll="false" disablehistory="true" disablefullscreen="true" tooltip="aHTMLTooltip"/>
-   </vbox>
+@@ -26,7 +26,14 @@
      <splitter id="sidebar-splitter" class="chromeclass-extrachrome sidebar-splitter" resizebefore="sibling" resizeafter="none" hidden="true"/>
+     <box id="after-splitter"></box>
+   </div>
 +#include zen-sidebar-panel.inc.xhtml
 +<vbox flex="1" id="zen-appcontent-wrapper">
 +<html:div id="zen-appcontent-navbar-container"></html:div>
 +<hbox id="zen-tabbox-wrapper" flex="1">
    <tabbox id="tabbrowser-tabbox" flex="1" tabcontainer="tabbrowser-tabs">
-+    #include zen-tabbrowser-elements.inc.xhtml
++#include zen-tabbrowser-elements.inc.xhtml
      <tabpanels id="tabbrowser-tabpanels" flex="1" selectedIndex="0"/>
    </tabbox>
  </hbox>

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

@@ -1,36 +1,17 @@
 diff --git a/browser/base/content/browser-init.js b/browser/base/content/browser-init.js
-index 63100defacf66c6b3232b9e0a783a5fd14e3a46a..398d685b142a47a85619dfc55772ea98ccfad445 100644
+index 3d5173315812589c0b79beec5f0419fc37cb8868..c4216db9e414fbbaead6ecd89b40366b0d8a50c1 100644
 --- a/browser/base/content/browser-init.js
 +++ b/browser/base/content/browser-init.js
-@@ -162,13 +162,15 @@ var gBrowserInit = {
-         elem.setAttribute("skipintoolbarset", "true");
-       }
-     }
-+    ZenCustomizableUI.init(window);
-     for (let area of CustomizableUI.areas) {
-       let type = CustomizableUI.getAreaType(area);
--      if (type == CustomizableUI.TYPE_TOOLBAR) {
-+      if (type == CustomizableUI.TYPE_TOOLBAR && !area.startsWith("zen-")) {
-         let node = document.getElementById(area);
-         CustomizableUI.registerToolbarNode(node);
-       }
-     }
-+    ZenCustomizableUI.registerToolbarNodes(window);
-     if (isVerticalTabs) {
-       // Show the vertical tabs toolbar
-       setToolbarVisibility(
-@@ -287,6 +289,10 @@ var gBrowserInit = {
-     gPrivateBrowsingUI.init();
-     BrowserSearch.init();
-     BrowserPageActions.init();
-+
-+Services.scriptloader.loadSubScript("chrome://browser/content/ZenStartup.mjs", window);
-+Services.scriptloader.loadSubScript("chrome://browser/content/zenThemeModifier.js", window);
-+
-     if (gToolbarKeyNavEnabled) {
-       ToolbarKeyboardNavigator.init();
-     }
-@@ -365,6 +371,7 @@ var gBrowserInit = {
+@@ -175,6 +175,8 @@ var gBrowserInit = {
+   },
+ 
+   onLoad() {
++    Services.scriptloader.loadSubScript("chrome://browser/content/ZenStartup.mjs", window);
++    Services.scriptloader.loadSubScript("chrome://browser/content/zenThemeModifier.js", window);
+     gBrowser.addEventListener("DOMUpdateBlockedPopups", e =>
+       PopupBlockerObserver.handleEvent(e)
+     );
+@@ -310,6 +312,7 @@ var gBrowserInit = {
      TelemetryTimestamps.add("delayedStartupStarted");
  
      this._cancelDelayedStartup();

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

@@ -1,8 +1,8 @@
 diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
-index 019b168c1aeae7e1c97a3ae58c99a48a27f54134..22dcf304591290d7a1b60f01998b6cf4782c0cdc 100644
+index b89846a1103827b7e65c0b6c9197e80761e3f5c0..cc7205765244738743db92bfcafc1f288919ae0d 100644
 --- a/browser/base/content/browser.js
 +++ b/browser/base/content/browser.js
-@@ -32,6 +32,7 @@ ChromeUtils.defineESModuleGetters(this, {
+@@ -33,6 +33,7 @@ ChromeUtils.defineESModuleGetters(this, {
    ContextualIdentityService:
      "resource://gre/modules/ContextualIdentityService.sys.mjs",
    CustomizableUI: "resource:///modules/CustomizableUI.sys.mjs",
@@ -10,7 +10,7 @@ index 019b168c1aeae7e1c97a3ae58c99a48a27f54134..22dcf304591290d7a1b60f01998b6cf4
    DevToolsSocketStatus:
      "resource://devtools/shared/security/DevToolsSocketStatus.sys.mjs",
    DownloadUtils: "resource://gre/modules/DownloadUtils.sys.mjs",
-@@ -3440,6 +3441,11 @@ var XULBrowserWindow = {
+@@ -2698,6 +2699,11 @@ var XULBrowserWindow = {
      AboutReaderParent.updateReaderButton(gBrowser.selectedBrowser);
      TranslationsParent.onLocationChange(gBrowser.selectedBrowser);
  
@@ -22,27 +22,7 @@ index 019b168c1aeae7e1c97a3ae58c99a48a27f54134..22dcf304591290d7a1b60f01998b6cf4
      PictureInPicture.updateUrlbarToggle(gBrowser.selectedBrowser);
  
      if (!gMultiProcessBrowser) {
-@@ -4435,7 +4441,7 @@ nsBrowserAccess.prototype = {
-     // Passing a null-URI to only create the content window,
-     // and pass true for aSkipLoad to prevent loading of
-     // about:blank
--    return this.getContentWindowOrOpenURIInFrame(
-+    let res = this.getContentWindowOrOpenURIInFrame(
-       null,
-       aParams,
-       aWhere,
-@@ -4443,6 +4449,10 @@ nsBrowserAccess.prototype = {
-       aName,
-       true
-     );
-+    if (typeof window.gZenGlanceManager !== "undefined" && window.toolbar.visible) {
-+      window.gZenGlanceManager.onTabOpen(res, aURI);
-+    }
-+    return res;
-   },
- 
-   openURIInFrame: function browser_openURIInFrame(
-@@ -6351,7 +6361,7 @@ function switchToTabHavingURI(
+@@ -5194,7 +5200,7 @@ function switchToTabHavingURI(
        ignoreQueryString || replaceQueryString,
        ignoreFragmentWhenComparing
      );
@@ -51,7 +31,7 @@ index 019b168c1aeae7e1c97a3ae58c99a48a27f54134..22dcf304591290d7a1b60f01998b6cf4
      for (let i = 0; i < browsers.length; i++) {
        let browser = browsers[i];
        let browserCompare = cleanURL(
-@@ -6392,7 +6402,7 @@ function switchToTabHavingURI(
+@@ -5235,7 +5241,7 @@ function switchToTabHavingURI(
          }
  
          if (!doAdopt) {

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 68849f5093cd8ab99ab0747d972799eaf3ad7e22..3b4e6a179ab7b71859f832709778c326a39cffda 100644
+index 0d0a559a6473149b50f4bf18d059e86907c4acd3..a5a48ba1d50b3bf74dec3f3d371a76228e246a9e 100644
 --- a/browser/base/content/browser.xhtml
 +++ b/browser/base/content/browser.xhtml
 @@ -26,6 +26,7 @@
@@ -10,7 +10,7 @@ index 68849f5093cd8ab99ab0747d972799eaf3ad7e22..3b4e6a179ab7b71859f832709778c326
          persist="screenX screenY width height sizemode"
          data-l10n-sync="true">
  <head>
-@@ -100,6 +101,8 @@
+@@ -104,6 +105,8 @@
  
    <title data-l10n-id="browser-main-window-default-title"></title>
  
@@ -19,15 +19,15 @@ index 68849f5093cd8ab99ab0747d972799eaf3ad7e22..3b4e6a179ab7b71859f832709778c326
  # All JS files which are needed by browser.xhtml and other top level windows to
  # support MacOS specific features *must* go into the global-scripts.inc file so
  # that they can be shared with macWindow.inc.xhtml.
-@@ -169,6 +172,7 @@
-     });
-   });
+@@ -148,6 +151,7 @@
+   window.addEventListener("DOMContentLoaded",
+     gBrowserInit.onDOMContentLoaded.bind(gBrowserInit), { once: true });
  </script>
 +#include zen-assets.inc.xhtml
  </head>
  <html:body xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  # All sets except for popupsets (commands, keys, and stringbundles)
-@@ -190,9 +194,13 @@
+@@ -169,9 +173,13 @@
      </vbox>
    </html:template>
  

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

@@ -1,8 +1,8 @@
 diff --git a/browser/base/content/main-popupset.inc.xhtml b/browser/base/content/main-popupset.inc.xhtml
-index 959c523b21c642f29353b9de37b3ce6b5505b01b..4cd26ea85ad4905bade71dcd470b8678079787bd 100644
+index 198c188e074b7062169764fb7d81c692d3a2bdae..b412a3c1fabdc6470b4ea9e7be34c426cc76aafd 100644
 --- a/browser/base/content/main-popupset.inc.xhtml
 +++ b/browser/base/content/main-popupset.inc.xhtml
-@@ -206,6 +206,10 @@
+@@ -201,6 +201,10 @@
             hidden="true"
             tabspecific="true"
             aria-labelledby="editBookmarkPanelTitle">
@@ -13,7 +13,7 @@ index 959c523b21c642f29353b9de37b3ce6b5505b01b..4cd26ea85ad4905bade71dcd470b8678
        <box class="panel-header">
          <html:h1>
            <html:span id="editBookmarkPanelTitle"/>
-@@ -231,6 +235,7 @@
+@@ -226,6 +230,7 @@
                    class="footer-button"/>
          </html:moz-button-group>
        </vbox>
@@ -21,21 +21,7 @@ index 959c523b21c642f29353b9de37b3ce6b5505b01b..4cd26ea85ad4905bade71dcd470b8678
      </panel>
    </html:template>
  
-@@ -426,11 +431,13 @@
-               observes="cmd_CustomizeToolbars"
-               class="viewCustomizeToolbar"
-               data-lazy-l10n-id="toolbar-context-menu-view-customize-toolbar-2"/>
-+#if 0
-     <menuseparator id="sidebarRevampSeparator"/>
-     <menuitem id="toolbar-context-toggle-vertical-tabs"
-               data-lazy-l10n-id="toolbar-context-turn-on-vertical-tabs"/>
-     <menuitem id="toolbar-context-customize-sidebar"
-               data-lazy-l10n-id="toolbar-context-customize-sidebar"/>
-+#endif
-     <menuseparator contexttype="fullscreen"/>
-     <menuitem id="toolbar-context-full-screen-autohide"
-               class="fullscreen-context-autohide"
-@@ -565,6 +572,8 @@
+@@ -567,6 +572,8 @@
  
  #include popup-notifications.inc.xhtml
  

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

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/navigator-toolbox.inc.xhtml b/browser/base/content/navigator-toolbox.inc.xhtml
-index a0a382643a2f74b6d789f3641ef300eed202d5e9..a962e155f1452362a2a35df89c8f56e1c0d9968c 100644
+index feb9e4ef7e872b4cfbf0d55f24a34db275951c66..3ce9b9919ff736885b8aa8943bbbce3c5d0f33a6 100644
 --- a/browser/base/content/navigator-toolbox.inc.xhtml
 +++ b/browser/base/content/navigator-toolbox.inc.xhtml
 @@ -2,7 +2,7 @@
@@ -11,20 +11,18 @@ index a0a382643a2f74b6d789f3641ef300eed202d5e9..a962e155f1452362a2a35df89c8f56e1
    <script src="chrome://browser/content/navigator-toolbox.js" />
  
    <!-- Menu -->
-@@ -17,9 +17,11 @@
+@@ -17,9 +17,8 @@
  #include browser-menubar.inc
      </toolbaritem>
      <spacer flex="1" skipintoolbarset="true" style="order: 1000;"/>
-+#if 0
- #include titlebar-items.inc.xhtml
-+#endif
+-#include titlebar-items.inc.xhtml
    </toolbar>
 -
 +<hbox id="titlebar">
    <toolbar id="TabsToolbar"
             class="browser-toolbar browser-titlebar"
             fullscreentoolbar="true"
-@@ -32,7 +34,7 @@
+@@ -32,7 +31,7 @@
  
      <hbox class="titlebar-spacer" type="pre-tabs"/>
  
@@ -33,18 +31,15 @@ index a0a382643a2f74b6d789f3641ef300eed202d5e9..a962e155f1452362a2a35df89c8f56e1
        <toolbartabstop/>
        <hbox id="TabsToolbar-customization-target" flex="1">
          <toolbarbutton id="firefox-view-button"
-@@ -40,9 +42,9 @@
+@@ -40,6 +39,7 @@
                         data-l10n-id="toolbar-button-firefox-view-2"
                         role="button"
                         aria-pressed="false"
 +                       hidden="true"
                         cui-areatype="toolbar"
                         removable="true"/>
--
-         <tabs id="tabbrowser-tabs"
-               is="tabbrowser-tabs"
-               aria-multiselectable="true"
-@@ -50,6 +52,10 @@
+ 
+@@ -50,6 +50,10 @@
                tooltip="tabbrowser-tab-tooltip"
                orient="horizontal"
                stopwatchid="FX_TAB_CLICK_MS">
@@ -55,16 +50,7 @@ index a0a382643a2f74b6d789f3641ef300eed202d5e9..a962e155f1452362a2a35df89c8f56e1
            <hbox class="tab-drop-indicator" hidden="true"/>
  # If the name (tabbrowser-arrowscrollbox) or structure of this changes
  # significantly, there is an optimization in
-@@ -57,7 +63,7 @@
- # the current structure that we may want to revisit.
-           <html:div id="vertical-pinned-tabs-container" tabindex="-1"></html:div>
-           <html:div id="vertical-pinned-tabs-container-separator"></html:div>
--          <arrowscrollbox id="tabbrowser-arrowscrollbox" orient="horizontal" flex="1" clicktoscroll="" scrolledtostart="" scrolledtoend="">
-+          <arrowscrollbox id="tabbrowser-arrowscrollbox" orient="vertical" flex="1" clicktoscroll="" scrolledtostart="" scrolledtoend="">
-             <tab is="tabbrowser-tab" class="tabbrowser-tab" selected="true" visuallyselected="" fadein=""/>
-             <hbox id="tabbrowser-arrowscrollbox-periphery">
-               <toolbartabstop/>
-@@ -75,6 +81,8 @@
+@@ -75,6 +79,8 @@
                                tooltip="dynamic-shortcut-tooltip"
                                data-l10n-id="tabs-toolbar-new-tab"/>
            <html:span id="tabbrowser-tab-a11y-desc" hidden="true"/>
@@ -73,33 +59,28 @@ index a0a382643a2f74b6d789f3641ef300eed202d5e9..a962e155f1452362a2a35df89c8f56e1
          </tabs>
  
          <toolbarbutton id="new-tab-button"
-@@ -100,11 +108,12 @@
+@@ -100,10 +106,10 @@
  #include private-browsing-indicator.inc.xhtml
-     <toolbarbutton id="content-analysis-indicator"
-                    class="toolbarbutton-1 content-analysis-indicator-icon"/>
--
-+#if 0
- #include titlebar-items.inc.xhtml
--
-+#endif
+     <toolbarbutton class="content-analysis-indicator toolbarbutton-1 content-analysis-indicator-icon"/>
+ 
+-#include titlebar-items.inc.xhtml
 +#include zen-sidebar-icons.inc.xhtml
+ 
    </toolbar>
 -
 +</hbox>
    <toolbar id="nav-bar"
             class="browser-toolbar chromeclass-location"
             data-l10n-id="navbar-accessible"
-@@ -490,10 +499,12 @@
+@@ -489,10 +495,10 @@
                       consumeanchor="PanelUI-button"
                       data-l10n-id="appmenu-menu-button-closed2"/>
      </toolbaritem>
 +#include titlebar-items.inc.xhtml
      <hbox class="titlebar-spacer" type="post-tabs"/>
  #include private-browsing-indicator.inc.xhtml
--
-+#if 0
- #include titlebar-items.inc.xhtml
-+#endif
+     <toolbarbutton class="content-analysis-indicator toolbarbutton-1 content-analysis-indicator-icon"/>
+-#include titlebar-items.inc.xhtml
    </toolbar>
  
    <toolbar id="PersonalToolbar"

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

@@ -1,19 +1,20 @@
 diff --git a/browser/components/BrowserGlue.sys.mjs b/browser/components/BrowserGlue.sys.mjs
-index b888a753a7f23a9800fe04da51a4e6b898314ff2..a6a01cf035253b05ea7b20b434cf2002ff115d96 100644
+index b8b6d30f0b3c968a8615ca601e06e50261d0dae6..5c2b718b902aed2ef8d7a4b622ba882ee937c655 100644
 --- a/browser/components/BrowserGlue.sys.mjs
 +++ b/browser/components/BrowserGlue.sys.mjs
-@@ -121,6 +121,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
+@@ -106,6 +106,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
    WindowsGPOParser: "resource://gre/modules/policies/WindowsGPOParser.sys.mjs",
    clearTimeout: "resource://gre/modules/Timer.sys.mjs",
    setTimeout: "resource://gre/modules/Timer.sys.mjs",
 +  gZenUIMigration: "chrome://browser/content/zen-components/ZenUIMigration.mjs",
  });
  
- if (AppConstants.MOZ_UPDATER) {
-@@ -1951,6 +1952,7 @@ BrowserGlue.prototype = {
- 
-     lazy.UrlbarPrefs.updateFirefoxSuggestScenario();
+ XPCOMUtils.defineLazyServiceGetters(lazy, {
+@@ -1896,7 +1897,7 @@ BrowserGlue.prototype = {
+     lazy.TabCrashHandler.init();
  
+     lazy.ProcessHangMonitor.init();
+-
 +    lazy.gZenUIMigration.init(this._isNewProfile, aWindow);
      // A channel for "remote troubleshooting" code...
      let channel = new lazy.WebChannel(

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 8eab0f9181c19c68a0a2daf0f819b3ae82ed92bc..092107b377ec4f7bc9ae86c817cded349732ffc6 100644
+index 9392b42a1de7310719a6cc8aaf11bd857e8fa69a..6a68b53443d32461927ef98d770b297caaecf790 100644
 --- a/browser/components/customizableui/CustomizableUI.sys.mjs
 +++ b/browser/components/customizableui/CustomizableUI.sys.mjs
 @@ -13,6 +13,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
@@ -90,7 +90,27 @@ index 8eab0f9181c19c68a0a2daf0f819b3ae82ed92bc..092107b377ec4f7bc9ae86c817cded34
          } else {
            window.gNavToolbox.palette.appendChild(widgetNode);
          }
-@@ -2678,7 +2677,6 @@ var CustomizableUIInternal = {
+@@ -1704,16 +1703,16 @@ var CustomizableUIInternal = {
+         elem.setAttribute("skipintoolbarset", "true");
+       }
+     }
+-
++    ZenCustomizableUI.init(window);
+     // Now register all the toolbars
+     for (let area of CustomizableUI.areas) {
+       let type = CustomizableUI.getAreaType(area);
+-      if (type == CustomizableUI.TYPE_TOOLBAR) {
++      if (type == CustomizableUI.TYPE_TOOLBAR && !area.startsWith("zen-")) {
+         let node = document.getElementById(area);
+         this.registerToolbarNode(node);
+       }
+     }
+-
++    ZenCustomizableUI.registerToolbarNodes(window);
+     // Handle initial state of vertical tabs.
+     if (isVerticalTabs) {
+       // Show the vertical tabs toolbar
+@@ -2744,7 +2743,6 @@ var CustomizableUIInternal = {
      if (!this.isWidgetRemovable(aWidgetId)) {
        return;
      }
@@ -98,7 +118,7 @@ index 8eab0f9181c19c68a0a2daf0f819b3ae82ed92bc..092107b377ec4f7bc9ae86c817cded34
      let placements = gPlacements.get(oldPlacement.area);
      let position = placements.indexOf(aWidgetId);
      if (position != -1) {
-@@ -3669,7 +3667,7 @@ var CustomizableUIInternal = {
+@@ -3735,7 +3733,7 @@ var CustomizableUIInternal = {
      }
    },
  
@@ -107,7 +127,7 @@ index 8eab0f9181c19c68a0a2daf0f819b3ae82ed92bc..092107b377ec4f7bc9ae86c817cded34
      for (let [areaId, areaNodes] of gBuildAreas) {
        let placements = gPlacements.get(areaId);
        let isFirstChangedToolbar = true;
-@@ -3680,7 +3678,7 @@ var CustomizableUIInternal = {
+@@ -3746,7 +3744,7 @@ var CustomizableUIInternal = {
          if (area.get("type") == CustomizableUI.TYPE_TOOLBAR) {
            let defaultCollapsed = area.get("defaultCollapsed");
            let win = areaNode.ownerGlobal;
@@ -116,7 +136,7 @@ index 8eab0f9181c19c68a0a2daf0f819b3ae82ed92bc..092107b377ec4f7bc9ae86c817cded34
              win.setToolbarVisibility(
                areaNode,
                typeof defaultCollapsed == "string"
-@@ -4857,6 +4855,7 @@ export var CustomizableUI = {
+@@ -4923,6 +4921,7 @@ export var CustomizableUI = {
    unregisterArea(aName, aDestroyPlacements) {
      CustomizableUIInternal.unregisterArea(aName, aDestroyPlacements);
    },
@@ -124,7 +144,7 @@ index 8eab0f9181c19c68a0a2daf0f819b3ae82ed92bc..092107b377ec4f7bc9ae86c817cded34
    /**
     * Add a widget to an area.
     * If the area to which you try to add is not known to CustomizableUI,
-@@ -6840,11 +6839,11 @@ class OverflowableToolbar {
+@@ -6916,11 +6915,11 @@ class OverflowableToolbar {
          parseFloat(style.paddingLeft) -
          parseFloat(style.paddingRight) -
          toolbarChildrenWidth;
@@ -138,7 +158,7 @@ index 8eab0f9181c19c68a0a2daf0f819b3ae82ed92bc..092107b377ec4f7bc9ae86c817cded34
      });
  
      lazy.log.debug(
-@@ -6854,7 +6853,8 @@ class OverflowableToolbar {
+@@ -6930,7 +6929,8 @@ 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);
@@ -148,7 +168,7 @@ index 8eab0f9181c19c68a0a2daf0f819b3ae82ed92bc..092107b377ec4f7bc9ae86c817cded34
      return { isOverflowing, targetContentWidth, totalAvailWidth };
    }
  
-@@ -6948,7 +6948,7 @@ class OverflowableToolbar {
+@@ -7024,7 +7024,7 @@ class OverflowableToolbar {
          }
        }
        if (!inserted) {
@@ -157,7 +177,7 @@ index 8eab0f9181c19c68a0a2daf0f819b3ae82ed92bc..092107b377ec4f7bc9ae86c817cded34
        }
        child.removeAttribute("cui-anchorid");
        child.removeAttribute("overflowedItem");
-@@ -7110,6 +7110,9 @@ class OverflowableToolbar {
+@@ -7186,6 +7186,9 @@ class OverflowableToolbar {
     * @param {MouseEvent} aEvent the click event.
     */
    #onClickDefaultListButton(aEvent) {

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

@@ -1,22 +1,13 @@
 diff --git a/browser/components/customizableui/ToolbarContextMenu.sys.mjs b/browser/components/customizableui/ToolbarContextMenu.sys.mjs
-index 9879487f9ed9ddf825f5fb5c1467ddbd7fbe7a32..9e2565fafe0f5f9afa6065c9f4f522fec745db2a 100644
+index af22f766a052372a68faca139161cccbf0d768f0..ceff0576321f880c71ce301e537f4d03ccca8a73 100644
 --- a/browser/components/customizableui/ToolbarContextMenu.sys.mjs
 +++ b/browser/components/customizableui/ToolbarContextMenu.sys.mjs
-@@ -237,17 +237,6 @@ export var ToolbarContextMenu = {
-     // autohide item's checked state to mirror the autohide pref.
-     showFullScreenViewContextMenuItems(popup);
- 
--    let toggleVerticalTabsItem = document.getElementById(
--      "toolbar-context-toggle-vertical-tabs"
--    );
--    document.l10n.setAttributes(
--      toggleVerticalTabsItem,
--      gBrowser.tabContainer?.verticalMode
--        ? "toolbar-context-turn-off-vertical-tabs"
--        : "toolbar-context-turn-on-vertical-tabs"
--    );
--    document.getElementById("toolbar-context-customize-sidebar").hidden =
--      !gBrowser.tabContainer?.verticalMode;
- 
-     // View -> Toolbars menu doesn't have the moveToPanel or removeFromToolbar items.
-     if (!moveToPanel || !removeFromToolbar) {
+@@ -241,7 +241,7 @@ export var ToolbarContextMenu = {
+     let sidebarRevampEnabled = Services.prefs.getBoolPref("sidebar.revamp");
+     let showSidebarActions =
+       ["tabbrowser-tabs", "sidebar-button"].includes(toolbarItem?.id) ||
+-      toolbarItem?.localName == "toolbarspring";
++      toolbarItem?.localName == "toolbarspring" && false;
+     let toggleVerticalTabsItem = document.getElementById(
+       "toolbar-context-toggle-vertical-tabs"
+     );

src/browser/components/newtab/content-src/components/CustomizeMenu/ContentSection/ContentSection-jsx.patch

@@ -1,13 +0,0 @@
-diff --git a/browser/components/newtab/content-src/components/CustomizeMenu/ContentSection/ContentSection.jsx b/browser/components/newtab/content-src/components/CustomizeMenu/ContentSection/ContentSection.jsx
-index 57ed935e93198bb50555d119080552934c49e428..21e8fb35501091d448502dbd0c53ee01ce8b7bc0 100644
---- a/browser/components/newtab/content-src/components/CustomizeMenu/ContentSection/ContentSection.jsx
-+++ b/browser/components/newtab/content-src/components/CustomizeMenu/ContentSection/ContentSection.jsx
-@@ -153,7 +153,7 @@ export class ContentSection extends React.PureComponent {
-                     data-l10n-args='{"num": 4}'
-                   />
-                 </select>
--                {mayHaveSponsoredTopSites && (
-+                {false && (
-                   <div className="check-wrapper" role="presentation">
-                     <input
-                       id="sponsored-shortcuts"

src/browser/components/newtab/data/content/abouthomecache/page-html-template.patch

@@ -1,12 +0,0 @@
-diff --git a/browser/components/newtab/data/content/abouthomecache/page.html.template b/browser/components/newtab/data/content/abouthomecache/page.html.template
-index 60898ed6b82ec298198cb9529387f4efd8561cc1..fbd93ccc7ee3619415192164a55f5fcbfd387a51 100644
---- a/browser/components/newtab/data/content/abouthomecache/page.html.template
-+++ b/browser/components/newtab/data/content/abouthomecache/page.html.template
-@@ -32,6 +32,7 @@
-     <link rel="stylesheet" href="chrome://global/skin/design-system/tokens-brand.css">
-     <link rel="stylesheet" href="chrome://browser/content/contentSearchUI.css" />
-     <link rel="stylesheet" href="chrome://activity-stream/content/css/activity-stream.css" />
-+    <script src="chrome://browser/content/zenThemeModifier.js"></script>
-   </head>
-   <!-- Cached: {{ CACHE_TIME }} -->
-   <body class="activity-stream">

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

@@ -1,13 +0,0 @@
-diff --git a/browser/components/newtab/lib/ActivityStream.sys.mjs b/browser/components/newtab/lib/ActivityStream.sys.mjs
-index f46e8aadf053c1a567642cda5f728534c81c8223..9ba13e5988a1fbcbc0502bba46fe6cfa3c647d85 100644
---- a/browser/components/newtab/lib/ActivityStream.sys.mjs
-+++ b/browser/components/newtab/lib/ActivityStream.sys.mjs
-@@ -127,7 +127,7 @@ export const PREFS_CONFIG = new Map([
-     "showSponsoredTopSites",
-     {
-       title: "Show sponsored top sites",
--      value: true,
-+      value: false,
-     },
-   ],
-   [

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

@@ -1,10 +1,10 @@
 diff --git a/browser/components/places/jar.mn b/browser/components/places/jar.mn
-index 7334914664484267ccf80eeeb2917c2001a1acaf..e0636a13798d6fbf41cbf69e51e460822b00ab1a 100644
+index e12c6bbf449f062fd22ef260909b539857f52c6a..2dcc143109de015e4c9d486b83119ae1122d2e71 100644
 --- a/browser/components/places/jar.mn
 +++ b/browser/components/places/jar.mn
 @@ -25,3 +25,5 @@ browser.jar:
+     content/browser/places/interactionsViewer.css        (metadataViewer/interactionsViewer.css)
      content/browser/places/interactionsViewer.html       (metadataViewer/interactionsViewer.html)
      content/browser/places/interactionsViewer.js         (metadataViewer/interactionsViewer.js)
- #endif
 +    content/browser/places/zenNewWebPanel.xhtml      (content/zenNewWebPanel.xhtml)
 +    content/browser/places/zenNewWebPanel.js         (content/zenNewWebPanel.js)

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

@@ -1,14 +1,14 @@
 diff --git a/browser/components/sessionstore/TabGroupState.sys.mjs b/browser/components/sessionstore/TabGroupState.sys.mjs
-index 2406837c67d8ff590aa0db6c75ede81e53097506..b69fb7862cd76c891ef61e29aca8c10bab2f5d7e 100644
+index 934326aefc80479a2ca2ee9e376375f117512b4d..db840ead9ab53849f8f1f33864972347d43f9398 100644
 --- a/browser/components/sessionstore/TabGroupState.sys.mjs
 +++ b/browser/components/sessionstore/TabGroupState.sys.mjs
-@@ -66,6 +66,9 @@ class _TabGroupState {
-       name: tabGroup.label,
-       color: tabGroup.color,
-       collapsed: tabGroup.collapsed,
+@@ -62,6 +62,9 @@ class _TabGroupState {
+    */
+   collect(tabGroup) {
+     return {
 +      pinned: tabGroup.pinned,
 +      essential: tabGroup.essential,
 +      splitView: tabGroup.hasAttribute("split-view-group"),
-     };
-   }
- 
+       id: tabGroup.id,
+       name: tabGroup.label,
+       color: tabGroup.color,

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

@@ -1,22 +1,13 @@
 diff --git a/browser/components/sidebar/browser-sidebar.js b/browser/components/sidebar/browser-sidebar.js
-index 1937a01b9940c79782cc2ad002b09ea5938b89e0..a702e8c520fad651a98615215f94657b7e1c58eb 100644
+index 371190c058fa1eed91dc91b58608c934100e3a1b..440fe6fb403c3e78b3bfe68fb747d000b4a27521 100644
 --- a/browser/components/sidebar/browser-sidebar.js
 +++ b/browser/components/sidebar/browser-sidebar.js
-@@ -671,7 +671,7 @@ var SidebarController = {
-    */
-   setPosition() {
-     // First reset all ordinals to match DOM ordering.
+@@ -718,7 +718,7 @@ var SidebarController = {
+         }
+       });
+     } else {
 -      let browser = document.getElementById("browser");
 +      let browser = document.getElementById("tabbrowser-tabbox");
        [...browser.children].forEach((node, i) => {
          node.style.order = i + 1;
        });
-@@ -681,7 +681,7 @@ var SidebarController = {
-       // DOM ordering is:     sidebar-main |  launcher-splitter | sidebar-box  | splitter | tabbrowser-tabbox |
-       // Want to display as:  |   tabbrowser-tabbox  | splitter |  sidebar-box  | launcher-splitter | sidebar-main
-       // So we just swap box and tabbrowser-tabbox ordering and move sidebar-main to the end
--      let tabbox = document.getElementById("tabbrowser-tabbox");
-+      let tabbox = document.getElementById("tabbrowser-tabpanels");
-       let boxOrdinal = this._box.style.order;
-       this._box.style.order = tabbox.style.order;
- 

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

@@ -1,8 +1,8 @@
 diff --git a/browser/components/tabbrowser/content/tabbrowser.js b/browser/components/tabbrowser/content/tabbrowser.js
-index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7409d0582 100644
+index 0dc763824f390b4964489ac4e071ed6d41cc41db..3e0be2c686a162038e99b31fdbcf9832f184a629 100644
 --- a/browser/components/tabbrowser/content/tabbrowser.js
 +++ b/browser/components/tabbrowser/content/tabbrowser.js
-@@ -412,11 +412,50 @@
+@@ -424,11 +424,50 @@
        return this.tabContainer.visibleTabs;
      }
  
@@ -55,7 +55,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        }
        return i;
      }
-@@ -546,6 +585,7 @@
+@@ -558,6 +597,7 @@
        this.tabpanels.appendChild(panel);
  
        let tab = this.tabs[0];
@@ -63,7 +63,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        tab.linkedPanel = uniqueId;
        this._selectedTab = tab;
        this._selectedBrowser = browser;
-@@ -811,12 +851,13 @@
+@@ -823,12 +863,13 @@
        }
  
        this.showTab(aTab);
@@ -72,7 +72,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
 +      const handled = gZenFolders.handleTabPin(aTab);
 +      if (!handled) this.ungroupTab(aTab);
 +      if (this.tabContainer.verticalMode && !handled) {
-         this._handleTabMove(aTab, () =>
+         this.#handleTabMove(aTab, () =>
 -          this.verticalPinnedTabsContainer.appendChild(aTab)
 +          aTab.hasAttribute("zen-essential") ? document.getElementById("zen-essentials-container").appendChild(aTab) : this.verticalPinnedTabsContainer.insertBefore(aTab, this.verticalPinnedTabsContainer.lastChild)
          );
@@ -81,12 +81,12 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          this.moveTabTo(aTab, this.pinnedTabCount, { forceStandaloneTab: true });
        }
        aTab.setAttribute("pinned", "true");
-@@ -830,12 +871,15 @@
+@@ -842,12 +883,15 @@
        }
  
        if (this.tabContainer.verticalMode) {
 +        const handled = gZenFolders.handleTabUnpin(aTab);
-         this._handleTabMove(aTab, () => {
+         this.#handleTabMove(aTab, () => {
            // we remove this attribute first, so that allTabs represents
            // the moving of a tab from the vertical pinned tabs container
            // and back into arrowscrollbox.
@@ -98,7 +98,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          });
        } else {
          this.moveTabTo(aTab, this.pinnedTabCount - 1, {
-@@ -1018,6 +1062,8 @@
+@@ -1030,6 +1074,8 @@
  
        let LOCAL_PROTOCOLS = ["chrome:", "about:", "resource:", "data:"];
  
@@ -107,7 +107,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        if (
          aIconURL &&
          !aLoadingPrincipal &&
-@@ -1028,6 +1074,9 @@
+@@ -1040,6 +1086,9 @@
          );
          return;
        }
@@ -117,7 +117,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
  
        let browser = this.getBrowserForTab(aTab);
        browser.mIconURL = aIconURL;
-@@ -1273,6 +1322,7 @@
+@@ -1288,6 +1337,7 @@
        if (!this._previewMode) {
          newTab.recordTimeFromUnloadToReload();
          newTab.updateLastAccessed();
@@ -125,7 +125,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          oldTab.updateLastAccessed();
          // if this is the foreground window, update the last-seen timestamps.
          if (this.ownerGlobal == BrowserWindowTracker.getTopWindow()) {
-@@ -1425,6 +1475,9 @@
+@@ -1440,6 +1490,9 @@
        }
  
        let activeEl = document.activeElement;
@@ -135,7 +135,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        // If focus is on the old tab, move it to the new tab.
        if (activeEl == oldTab) {
          newTab.focus();
-@@ -1748,7 +1801,7 @@
+@@ -1763,7 +1816,7 @@
      }
  
      _setTabLabel(aTab, aLabel, { beforeTabOpen, isContentTitle, isURL } = {}) {
@@ -144,7 +144,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          return false;
        }
  
-@@ -1851,7 +1904,7 @@
+@@ -1866,7 +1919,7 @@
          newIndex = this.selectedTab._tPos + 1;
        }
  
@@ -153,7 +153,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          let browser;
          if (targetTab) {
            browser = this.getBrowserForTab(targetTab);
-@@ -2108,6 +2161,7 @@
+@@ -2123,6 +2176,7 @@
        uriIsAboutBlank,
        userContextId,
        skipLoad,
@@ -161,7 +161,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
      } = {}) {
        let b = document.createXULElement("browser");
        // Use the JSM global to create the permanentKey, so that if the
-@@ -2181,8 +2235,7 @@
+@@ -2196,8 +2250,7 @@
          // we use a different attribute name for this?
          b.setAttribute("name", name);
        }
@@ -171,7 +171,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          b.setAttribute("transparent", "true");
        }
  
-@@ -2347,7 +2400,7 @@
+@@ -2374,7 +2427,7 @@
  
        let panel = this.getPanel(browser);
        let uniqueId = this._generateUniquePanelID();
@@ -180,7 +180,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        aTab.linkedPanel = uniqueId;
  
        // Inject the <browser> into the DOM if necessary.
-@@ -2406,8 +2459,8 @@
+@@ -2433,8 +2486,8 @@
        // 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) {
@@ -191,7 +191,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        } else {
          aTab.linkedBrowser.browsingContext.hasSiblings = this.tabs.length > 1;
        }
-@@ -2629,6 +2682,7 @@
+@@ -2656,6 +2709,7 @@
          schemelessInput,
          hasValidUserGestureActivation = false,
          textDirectiveUserActivation = false,
@@ -199,7 +199,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        } = {}
      ) {
        // all callers of addTab that pass a params object need to pass
-@@ -2639,6 +2693,12 @@
+@@ -2666,6 +2720,12 @@
          );
        }
  
@@ -212,7 +212,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        if (!UserInteraction.running("browser.tabs.opening", window)) {
          UserInteraction.start("browser.tabs.opening", "initting", window);
        }
-@@ -2702,6 +2762,15 @@
+@@ -2729,6 +2789,15 @@
            noInitialLabel,
            skipBackgroundNotify,
          });
@@ -228,7 +228,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          if (insertTab) {
            // insert the tab into the tab container in the correct position
            this._insertTabAtIndex(t, {
-@@ -2726,6 +2795,7 @@
+@@ -2753,6 +2822,7 @@
            initialBrowsingContextGroupId,
            openWindowInfo,
            skipLoad,
@@ -236,7 +236,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          }));
  
          if (focusUrlBar) {
-@@ -2845,6 +2915,9 @@
+@@ -2872,6 +2942,9 @@
          }
        }
  
@@ -246,7 +246,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        // Additionally send pinned tab events
        if (pinned) {
          this._notifyPinnedStatus(t);
-@@ -2865,12 +2938,15 @@
+@@ -2892,12 +2965,15 @@
       * @param {string} [label=]
       * @returns {MozTabbrowserTabGroup}
       */
@@ -263,15 +263,15 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        return group;
      }
  
-@@ -2904,6 +2980,7 @@
-         label = "",
+@@ -2938,6 +3014,7 @@
          insertBefore = null,
-         showCreateUI = false,
+         isUserCreated = false,
+         telemetryUserCreateSource = "unknown",
 +        forSplitView = false,
        } = {}
      ) {
        if (!tabs?.length) {
-@@ -2918,7 +2995,12 @@
+@@ -2952,7 +3029,12 @@
          id = `${Date.now()}-${Math.round(Math.random() * 100)}`;
        }
        let group = this._createTabGroup(id, color, false, label);
@@ -285,7 +285,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          group,
          insertBefore?.group ?? insertBefore
        );
-@@ -3126,6 +3208,7 @@
+@@ -3269,6 +3351,7 @@
          initialBrowsingContextGroupId,
          openWindowInfo,
          skipLoad,
@@ -293,7 +293,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        }
      ) {
        // If we don't have a preferred remote type, and we have a remote
-@@ -3189,6 +3272,7 @@
+@@ -3332,6 +3415,7 @@
            openWindowInfo,
            name,
            skipLoad,
@@ -301,7 +301,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          });
        }
  
-@@ -3367,6 +3451,27 @@
+@@ -3510,6 +3594,27 @@
          ) {
            tabWasReused = true;
            tab = this.selectedTab;
@@ -329,7 +329,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
            if (!tabData.pinned) {
              this.unpinTab(tab);
            } else {
-@@ -3380,6 +3485,7 @@
+@@ -3523,6 +3628,7 @@
              restoreTabsLazily && !select && !tabData.pinned;
  
            let url = "about:blank";
@@ -337,7 +337,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
            if (tabData.entries?.length) {
              let activeIndex = (tabData.index || tabData.entries.length) - 1;
              // Ensure the index is in bounds.
-@@ -3415,7 +3521,27 @@
+@@ -3558,7 +3664,27 @@
              skipLoad: true,
              preferredRemoteType,
            });
@@ -366,7 +366,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
            if (select) {
              tabToSelect = tab;
            }
-@@ -3428,8 +3554,8 @@
+@@ -3571,8 +3697,8 @@
            // inserted in the DOM. If the tab is not yet in the DOM,
            // just insert it in the right place from the start.
            if (!tab.parentNode) {
@@ -377,7 +377,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
              tab.toggleAttribute("pinned", true);
              this.tabContainer._invalidateCachedTabs();
              // Then ensure all the tab open/pinning information is sent.
-@@ -3439,7 +3565,8 @@
+@@ -3582,7 +3708,8 @@
              // needs calling:
              shouldUpdateForPinnedTabs = true;
            }
@@ -387,7 +387,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
            let { groupId } = tabData;
            const tabGroup = tabGroupWorkingData.get(groupId);
            // if a tab refers to a tab group we don't know, skip any group
-@@ -3453,7 +3580,10 @@
+@@ -3596,7 +3723,10 @@
                  tabGroup.stateData.id,
                  tabGroup.stateData.color,
                  tabGroup.stateData.collapsed,
@@ -399,7 +399,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
                );
                tabsFragment.appendChild(tabGroup.node);
              }
-@@ -3504,6 +3634,9 @@
+@@ -3647,6 +3777,9 @@
          this.selectedTab = tabToSelect;
          this.removeTab(leftoverTab);
        }
@@ -409,7 +409,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
  
        if (tabs.length > 1 || !tabs[0].selected) {
          this._updateTabsAfterInsert();
-@@ -3693,7 +3826,7 @@
+@@ -3831,7 +3964,7 @@
        // Ensure we have an index if one was not provided.
        if (typeof index != "number") {
          // Move the new tab after another tab if needed, to the end otherwise.
@@ -418,7 +418,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          if (
            !bulkOrderedOpen &&
            ((openerTab &&
-@@ -3736,18 +3869,18 @@
+@@ -3877,18 +4010,18 @@
  
        // Ensure index is within bounds.
        if (tab.pinned) {
@@ -441,7 +441,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          if (tabAfter && tabAfter.group == tabGroup) {
            // Place at the front of, or between tabs in, the same tab group
            this.tabContainer.insertBefore(tab, tabAfter);
-@@ -4059,6 +4192,9 @@
+@@ -4200,6 +4333,9 @@
          return;
        }
  
@@ -451,7 +451,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        this.removeTabs(selectedTabs);
      }
  
-@@ -4391,6 +4527,7 @@
+@@ -4557,6 +4693,7 @@
          skipSessionStore,
        } = {}
      ) {
@@ -459,7 +459,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        if (UserInteraction.running("browser.tabs.opening", window)) {
          UserInteraction.finish("browser.tabs.opening", window);
        }
-@@ -4407,6 +4544,12 @@
+@@ -4573,6 +4710,12 @@
          TelemetryStopwatch.start("FX_TAB_CLOSE_TIME_NO_ANIM_MS", aTab);
        }
  
@@ -472,7 +472,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        // Handle requests for synchronously removing an already
        // asynchronously closing tab.
        if (!animate && aTab.closing) {
-@@ -4421,7 +4564,9 @@
+@@ -4587,7 +4730,9 @@
        // frame created for it (for example, by updating the visually selected
        // state).
        let tabWidth = window.windowUtils.getBoundsWithoutFlushing(aTab).width;
@@ -483,7 +483,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        if (
          !this._beginRemoveTab(aTab, {
            closeWindowFastpath: true,
-@@ -4435,7 +4580,6 @@
+@@ -4601,7 +4746,6 @@
          TelemetryStopwatch.cancel("FX_TAB_CLOSE_TIME_NO_ANIM_MS", aTab);
          return;
        }
@@ -491,7 +491,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        let lockTabSizing =
          !this.tabContainer.verticalMode &&
          !aTab.pinned &&
-@@ -4574,14 +4718,14 @@
+@@ -4740,14 +4884,14 @@
          !!this.tabsInCollapsedTabGroups.length;
        if (
          aTab.visible &&
@@ -508,7 +508,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
  
          if (closeWindow) {
            // We've already called beforeunload on all the relevant tabs if we get here,
-@@ -4605,6 +4749,7 @@
+@@ -4771,6 +4915,7 @@
  
          newTab = true;
        }
@@ -516,7 +516,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        aTab._endRemoveArgs = [closeWindow, newTab];
  
        // swapBrowsersAndCloseOther will take care of closing the window without animation.
-@@ -4645,9 +4790,7 @@
+@@ -4811,9 +4956,7 @@
        aTab._mouseleave();
  
        if (newTab) {
@@ -527,7 +527,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        } else {
          TabBarVisibility.update();
        }
-@@ -4776,6 +4919,8 @@
+@@ -4942,6 +5085,8 @@
          this.tabs[i]._tPos = i;
        }
  
@@ -536,7 +536,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        if (!this._windowIsClosing) {
          if (wasPinned) {
            this.tabContainer._positionPinnedTabs();
-@@ -4994,7 +5139,7 @@
+@@ -5160,7 +5305,7 @@
          !excludeTabs.has(aTab.owner) &&
          Services.prefs.getBoolPref("browser.tabs.selectOwnerOnClose")
        ) {
@@ -545,7 +545,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        }
  
        // Try to find a remaining tab that comes after the given tab
-@@ -5016,7 +5161,7 @@
+@@ -5182,7 +5327,7 @@
        }
  
        if (tab) {
@@ -554,7 +554,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        }
  
        // If no qualifying visible tab was found, see if there is a tab in
-@@ -5434,10 +5579,10 @@
+@@ -5600,10 +5745,10 @@
        SessionStore.deleteCustomTabValue(aTab, "hiddenBy");
      }
  
@@ -567,8 +567,8 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          aTab.selected ||
          aTab.closing ||
          // Tabs that are sharing the screen, microphone or camera cannot be hidden.
-@@ -5675,7 +5820,7 @@
- 
+@@ -5839,7 +5984,7 @@
+     moveTabTo(aTab, aIndex, { forceStandaloneTab = false } = {}) {
        // Don't allow mixing pinned and unpinned tabs.
        if (aTab.pinned) {
 -        aIndex = Math.min(aIndex, this.pinnedTabCount - 1);
@@ -576,16 +576,16 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        } else {
          aIndex = Math.max(aIndex, this.pinnedTabCount);
        }
-@@ -5685,10 +5830,17 @@
+@@ -5849,10 +5994,17 @@
  
-       this._handleTabMove(aTab, () => {
+       this.#handleTabMove(aTab, () => {
          let neighbor = this.tabs[aIndex];
 -        if (forceStandaloneTab && neighbor.group) {
 +        const _tPos = aTab._tPos;
 +        if ((forceStandaloneTab && neighbor.group) || neighbor.group?.hasAttribute("split-view-group")) {
            neighbor = neighbor.group;
          }
--        if (neighbor && aIndex >= aTab._tPos) {
+-        if (neighbor && aIndex > aTab._tPos) {
 +        if (aTab.group?.hasAttribute("split-view-group")) {
 +          aTab = aTab.group;
 +        }
@@ -596,7 +596,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
            neighbor.after(aTab);
          } else {
            this.tabContainer.insertBefore(aTab, neighbor);
-@@ -5697,7 +5849,7 @@
+@@ -5938,7 +6090,7 @@
      }
  
      moveTabToGroup(aTab, aGroup) {
@@ -605,7 +605,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
          return;
        }
        if (aTab.group && aTab.group.id === aGroup.id) {
-@@ -5721,6 +5873,10 @@
+@@ -5962,6 +6114,10 @@
  
        moveActionCallback();
  
@@ -616,7 +616,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        // Clear tabs cache after moving nodes because the order of tabs may have
        // changed.
        this.tabContainer._invalidateCachedTabs();
-@@ -5771,7 +5927,7 @@
+@@ -6016,7 +6172,7 @@
          createLazyBrowser,
        };
  
@@ -625,7 +625,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
        if (aIndex < numPinned || (aTab.pinned && aIndex == numPinned)) {
          params.pinned = true;
        }
-@@ -6513,7 +6669,7 @@
+@@ -6766,7 +6922,7 @@
              // preventDefault(). It will still raise the window if appropriate.
              break;
            }
@@ -634,7 +634,7 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
            window.focus();
            aEvent.preventDefault();
            break;
-@@ -7415,6 +7571,7 @@
+@@ -7672,6 +7828,7 @@
              aWebProgress.isTopLevel
            ) {
              this.mTab.setAttribute("busy", "true");
@@ -642,25 +642,25 @@ index 628aa6596627c85efe361fc1ece8fd58f7ee653e..2a9ac30c7e270586ff4502046e5b1ae7
              gBrowser._tabAttrModified(this.mTab, ["busy"]);
              this.mTab._notselectedsinceload = !this.mTab.selected;
            }
-@@ -8381,7 +8538,7 @@ var TabContextMenu = {
+@@ -8641,7 +8798,7 @@ var TabContextMenu = {
      );
      contextUnpinSelectedTabs.hidden =
-       !this.contextTab.pinned || !multiselectionContext;
+       !this.contextTab.pinned || !this.multiselected;
 -
 +    gZenPinnedTabManager.updatePinnedTabContextMenu(this.contextTab);
      // Move Tab items
      let contextMoveTabOptions = document.getElementById(
        "context_moveTabOptions"
-@@ -8414,7 +8571,7 @@ var TabContextMenu = {
-     let contextMoveTabToStart = document.getElementById("context_moveToStart");
+@@ -8675,7 +8832,7 @@ var TabContextMenu = {
      let isFirstTab =
-       tabsToMove[0] == visibleTabs[0] ||
--      tabsToMove[0] == visibleTabs[gBrowser.pinnedTabCount];
-+      tabsToMove[0] == visibleTabs[gBrowser._numVisiblePinTabs];
+       !this.contextTabs[0].group &&
+       (this.contextTabs[0] == visibleTabs[0] ||
+-        this.contextTabs[0] == visibleTabs[gBrowser.pinnedTabCount]);
++      this.contextTabs[0] == visibleTabs[gBrowser._numVisiblePinTabs];
      contextMoveTabToStart.disabled = isFirstTab && allSelectedTabsAdjacent;
  
      document.getElementById("context_openTabInWindow").disabled =
-@@ -8647,6 +8804,7 @@ var TabContextMenu = {
+@@ -8905,6 +9062,7 @@ var TabContextMenu = {
      if (this.contextTab.multiselected) {
        gBrowser.removeMultiSelectedTabs();
      } else {

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

@@ -1,8 +1,8 @@
 diff --git a/browser/components/tabbrowser/content/tabs.js b/browser/components/tabbrowser/content/tabs.js
-index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d734668f2a 100644
+index 0fbdbf3aefc467880e6b0bae2615cb145735cb0f..0175072d29597633c04724b1824e2187bcdda61d 100644
 --- a/browser/components/tabbrowser/content/tabs.js
 +++ b/browser/components/tabbrowser/content/tabs.js
-@@ -94,7 +94,7 @@
+@@ -93,7 +93,7 @@
        };
        this.arrowScrollbox._canScrollToElement = element => {
          if (isTab(element)) {
@@ -11,7 +11,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
          }
          return true;
        };
-@@ -339,7 +339,7 @@
+@@ -347,7 +347,7 @@
        // and we're not hitting the scroll buttons.
        if (
          event.button != 0 ||
@@ -20,7 +20,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
          event.composedTarget.localName == "toolbarbutton"
        ) {
          return;
-@@ -388,6 +388,7 @@
+@@ -396,6 +396,7 @@
              // Reset the "ignored click" flag
              target._ignoredCloseButtonClicks = false;
            }
@@ -28,7 +28,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
          }
  
          /* Protects from close-tab-button errant doubleclick:
-@@ -683,7 +684,7 @@
+@@ -693,7 +694,7 @@
        if (this.#isContainerVerticalPinnedExpanded(tab)) {
          // In expanded vertical mode, the max number of pinned tabs per row is dynamic
          // Set this before adjusting dragged tab's position
@@ -37,7 +37,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
          let tabsPerRow = 0;
          let position = 0;
          for (let pinnedTab of pinnedTabs) {
-@@ -883,6 +884,10 @@
+@@ -899,6 +900,10 @@
        }
  
        let draggedTab = event.dataTransfer.mozGetDataAt(TAB_DROP_TYPE, 0);
@@ -48,7 +48,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
        if (
          (effects == "move" || effects == "copy") &&
          this == draggedTab.container &&
-@@ -996,6 +1001,18 @@
+@@ -1012,6 +1017,18 @@
  
        this._tabDropIndicator.hidden = true;
        event.stopPropagation();
@@ -67,41 +67,32 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
        if (draggedTab && dropEffect == "copy") {
          // copy the dropped tab (wherever it's from)
          let newIndex = this._getDropIndex(event);
-@@ -1034,10 +1051,11 @@
+@@ -1050,10 +1067,11 @@
            }
          } else {
-           let pinned = draggedTab.pinned;
+           let isPinned = draggedTab.pinned;
 -          let numPinned = gBrowser.pinnedTabCount;
--          let tabs = this.visibleTabs.slice(
--            pinned ? 0 : numPinned,
--            pinned ? numPinned : undefined
+-          let tabs = this.ariaFocusableItems.slice(
+-            isPinned ? 0 : numPinned,
+-            isPinned ? numPinned : undefined
 +          let numPinned = gBrowser._numVisiblePinTabs;
 +          let essential = draggedTab.hasAttribute("zen-essential");
-+          let tabs = this.visibleTabs.filter(tab => !tab.hasAttribute("zen-glance-tab")).slice(
-+            pinned ? (essential ? 0 : gBrowser._numZenVisibleEssentials) : numPinned,
-+            pinned ? (essential ? gBrowser._numZenVisibleEssentials : numPinned) : undefined
++          let tabs = this.ariaFocusableItems.filter(tab => !tab.hasAttribute("zen-glance-tab")).slice(
++            isPinned ? (essential ? 0 : gBrowser._numZenVisibleEssentials) : numPinned,
++            isPinned ? (essential ? gBrowser._numZenVisibleEssentials : numPinned) : undefined
            );
            let size = this.verticalMode ? "height" : "width";
            let screenAxis = this.verticalMode ? "screenY" : "screenX";
-@@ -1114,7 +1132,7 @@
-               let postTransitionCleanup = () => {
+@@ -1129,7 +1147,7 @@
                  tab.removeAttribute("tabdrop-samewindow");
- 
--                this._finishAnimateTabMove();
-+              this._finishAnimateTabMove(true);
-                 if (dropIndex !== false) {
-                   gBrowser.moveTabTo(tab, dropIndex);
-                   if (!directionForward) {
-@@ -1122,7 +1140,7 @@
-                   }
-                 }
+                 resolve();
                };
 -              if (gReduceMotion) {
 +              if (true || gReduceMotion) {
                  postTransitionCleanup();
                } else {
                  let onTransitionEnd = transitionendEvent => {
-@@ -1249,7 +1267,7 @@
+@@ -1246,7 +1264,7 @@
                return;
              }
            }
@@ -110,7 +101,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
            gBrowser.loadTabs(urls, {
              inBackground,
              replace,
-@@ -1279,13 +1297,23 @@
+@@ -1276,13 +1294,23 @@
          return;
        }
  
@@ -136,7 +127,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
        ) {
          delete draggedTab._dragData;
          return;
-@@ -1517,7 +1545,7 @@
+@@ -1504,7 +1532,7 @@
      }
  
      get newTabButton() {
@@ -145,7 +136,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
      }
  
      get verticalMode() {
-@@ -1537,29 +1565,41 @@
+@@ -1524,29 +1552,41 @@
        if (this.#allTabs) {
          return this.#allTabs;
        }
@@ -195,7 +186,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
      }
  
      /**
-@@ -1579,7 +1619,7 @@
+@@ -1566,7 +1606,7 @@
       */
      get visibleTabs() {
        if (!this.#visibleTabs) {
@@ -204,20 +195,23 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
        }
        return this.#visibleTabs;
      }
-@@ -1613,10 +1653,8 @@
-         return this.#focusableItems;
+@@ -1601,13 +1641,11 @@
        }
  
+       let elementIndex = 0;
 -      let verticalPinnedTabsContainer = document.getElementById(
 -        "vertical-pinned-tabs-container"
 -      );
++      let verticalPinnedTabsContainer = this.verticalPinnedTabsContainer
+       for (let i = 0; i < verticalPinnedTabsContainer.childElementCount; i++) {
+         verticalPinnedTabsContainer.children[i].elementIndex = elementIndex++;
+       }
 -      let children = Array.from(this.arrowScrollbox.children);
-+      let verticalPinnedTabsContainer = this.verticalPinnedTabsContainer;
 +      let children = ZenWorkspaces.tabboxChildrenWithoutEmpty;
  
        let focusableItems = [];
        for (let child of children) {
-@@ -1632,6 +1670,7 @@
+@@ -1628,6 +1666,7 @@
        }
  
        this.#focusableItems = [
@@ -225,7 +219,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
          ...verticalPinnedTabsContainer.children,
          ...focusableItems,
        ];
-@@ -1642,6 +1681,7 @@
+@@ -1638,6 +1677,7 @@
      _invalidateCachedTabs() {
        this.#allTabs = null;
        this._invalidateCachedVisibleTabs();
@@ -233,7 +227,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
      }
  
      _invalidateCachedVisibleTabs() {
-@@ -1656,8 +1696,8 @@
+@@ -1652,8 +1692,8 @@
      #isContainerVerticalPinnedExpanded(tab) {
        return (
          this.verticalMode &&
@@ -244,7 +238,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
        );
      }
  
-@@ -1672,7 +1712,7 @@
+@@ -1668,7 +1708,7 @@
  
        if (node == null) {
          // We have a container for non-tab elements at the end of the scrollbox.
@@ -253,7 +247,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
        }
  
        node.before(tab);
-@@ -1772,7 +1812,7 @@
+@@ -1763,7 +1803,7 @@
            // 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.
@@ -262,7 +256,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
            const newTab2 = this.newTabButton;
            const newTabVertical = document.getElementById(
              "vertical-tabs-newtab-button"
-@@ -1855,7 +1895,7 @@
+@@ -1846,7 +1886,7 @@
            let rect = ele => {
              return window.windowUtils.getBoundsWithoutFlushing(ele);
            };
@@ -271,7 +265,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
            if (tab && rect(tab).width <= this._tabClipWidth) {
              this.setAttribute("closebuttons", "activetab");
            } else {
-@@ -1867,10 +1907,12 @@
+@@ -1858,10 +1898,12 @@
  
      _handleTabSelect(aInstant) {
        let selectedTab = this.selectedItem;
@@ -284,7 +278,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
        selectedTab._notselectedsinceload = false;
      }
  
-@@ -1882,7 +1924,7 @@
+@@ -1873,7 +1915,7 @@
          return;
        }
  
@@ -293,7 +287,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
        if (!tabs.length) {
          return;
        }
-@@ -1918,7 +1960,7 @@
+@@ -1909,7 +1951,7 @@
          if (isEndTab && !this._hasTabTempMaxWidth) {
            return;
          }
@@ -302,7 +296,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
          // Force tabs to stay the same width, unless we're closing the last tab,
          // which case we need to let them expand just enough so that the overall
          // tabbar width is the same.
-@@ -1933,7 +1975,7 @@
+@@ -1924,7 +1966,7 @@
          let tabsToReset = [];
          for (let i = numPinned; i < tabs.length; i++) {
            let tab = tabs[i];
@@ -311,7 +305,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
            if (!isEndTab) {
              // keep tabs the same width
              tab.style.transition = "none";
-@@ -1999,16 +2041,15 @@
+@@ -1990,16 +2032,15 @@
        // 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.
@@ -334,7 +328,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
          }
        }
  
-@@ -2016,9 +2057,7 @@
+@@ -2007,9 +2048,7 @@
      }
  
      _resetVerticalPinnedTabs() {
@@ -345,7 +339,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
  
        if (!verticalTabsContainer.children.length) {
          return;
-@@ -2031,8 +2070,8 @@
+@@ -2022,8 +2061,8 @@
      }
  
      _positionPinnedTabs() {
@@ -356,7 +350,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
        let absPositionHorizontalTabs =
          this.overflowing && tabs.length > numPinned && numPinned > 0;
  
-@@ -2041,7 +2080,7 @@
+@@ -2032,7 +2071,7 @@
  
        if (this.verticalMode) {
          this._updateVerticalPinnedTabs();
@@ -365,7 +359,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
          let layoutData = this._pinnedTabsLayoutCache;
          let uiDensity = document.documentElement.getAttribute("uidensity");
          if (!layoutData || layoutData.uiDensity != uiDensity) {
-@@ -2113,7 +2152,7 @@
+@@ -2104,7 +2143,7 @@
          return;
        }
  
@@ -374,7 +368,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
  
        let directionX = screenX > dragData.animLastScreenX;
        let directionY = screenY > dragData.animLastScreenY;
-@@ -2121,7 +2160,7 @@
+@@ -2112,7 +2151,7 @@
        dragData.animLastScreenX = screenX;
  
        let { width: tabWidth, height: tabHeight } =
@@ -384,18 +378,18 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
        let shiftSizeY = tabHeight;
        dragData.tabWidth = tabWidth;
 @@ -2296,10 +2335,11 @@
-       }
+       this.#clearDragOverCreateGroupTimer();
  
-       let pinned = draggedTab.pinned;
+       let isPinned = draggedTab.pinned;
 -      let numPinned = gBrowser.pinnedTabCount;
--      let tabs = this.visibleTabs.slice(
--        pinned ? 0 : numPinned,
--        pinned ? numPinned : undefined
+-      let tabs = this.ariaFocusableItems.slice(
+-        isPinned ? 0 : numPinned,
+-        isPinned ? numPinned : undefined
 +      let numPinned = gBrowser._numVisiblePinTabs;
 +      let essential = draggedTab.hasAttribute("zen-essential");
-+      let tabs = this.visibleTabs.filter(tab => !tab.hasAttribute("zen-glance-tab")).slice(
-+        pinned ? (essential ? 0 : gBrowser._numZenVisibleEssentials) : numPinned,
-+        pinned ? (essential ? gBrowser._numZenVisibleEssentials : numPinned) : undefined
++      let tabs = this.ariaFocusableItems.filter(tab => !tab.hasAttribute("zen-glance-tab")).slice(
++        isPinned ? (essential ? 0 : gBrowser._numZenVisibleEssentials) : numPinned,
++        isPinned ? (essential ? gBrowser._numZenVisibleEssentials : numPinned) : undefined
        );
  
        if (this.#rtlMode) {
@@ -412,25 +406,28 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
        }
  
        dragData.translatePos = translate;
-@@ -2484,12 +2528,16 @@
+@@ -2639,7 +2683,7 @@
        // Shift background tabs to leave a gap where the dragged tab
        // would currently be dropped.
-       for (let tab of tabs) {
--        if (tab == draggedTab) {
-+        if (tab == draggedTab || (tab.group?.hasAttribute("split-view-group") && tab.group == draggedTab.group)) {
+       for (let item of tabs) {
+-        if (item == draggedTab) {
++        if (item == draggedTab || (item.group?.hasAttribute("split-view-group") && item.group == draggedTab.group)) {
            continue;
          }
-         let shift = getTabShift(tab, newIndex);
-         let transform = shift ? `${translateAxis}(${shift}px)` : "";
-+        if (tab.group?.hasAttribute("split-view-group")) {
-+          tab.group.style.transform = transform;
+ 
+@@ -2649,7 +2693,11 @@
+           // Shift the `.tab-group-label-container` to shift the label element.
+           item = item.parentElement;
+         }
++        if (item.group?.hasAttribute("split-view-group")) {
++          item.group.style.transform = transform;
 +        } else {
-         tab.style.transform = transform;
+         item.style.transform = transform;
 +        }
-         if (tab.group?.tabs[0] == tab) {
-           tab.group.style.setProperty(
-             "--tabgroup-dragover-transform",
-@@ -2541,8 +2589,9 @@
+       }
+     }
+ 
+@@ -2697,8 +2745,9 @@
        );
      }
  
@@ -442,16 +439,8 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
          return;
        }
  
-@@ -2553,6 +2602,7 @@
-         tab.style.transform = "";
-         if (tab.group) {
-           tab.group.style.removeProperty("--tabgroup-dragover-transform");
-+          tab.group.style.transform = "";
-         }
-         tab.removeAttribute("dragover-createGroup");
-       }
-@@ -2604,7 +2654,7 @@
-           movingTab._moveTogetherSelectedTabsData.newIndex = movingTabNewIndex;
+@@ -2754,7 +2803,7 @@
+         let postTransitionCleanup = () => {
            movingTab._moveTogetherSelectedTabsData.animate = false;
          };
 -        if (gReduceMotion) {
@@ -459,19 +448,7 @@ index fa96568d366fd3608f9bd583fa793150bd815c8b..13a870629a98304cb18dc09b5ae075d7
            postTransitionCleanup();
          } else {
            let onTransitionEnd = transitionendEvent => {
-@@ -2707,9 +2757,9 @@
-       function newIndex(aTab, index) {
-         // Don't allow mixing pinned and unpinned tabs.
-         if (aTab.pinned) {
--          return Math.min(index, gBrowser.pinnedTabCount - 1);
-+          return Math.min(index, gBrowser._numVisiblePinTabs - 1);
-         }
--        return Math.max(index, gBrowser.pinnedTabCount);
-+        return Math.max(index, gBrowser._numVisiblePinTabs);
-       }
-     }
- 
-@@ -2793,7 +2843,7 @@
+@@ -2924,7 +2973,7 @@
      }
  
      _notifyBackgroundTab(aTab) {

src/browser/extensions/newtab/content-src/components/CustomizeMenu/ContentSection/ContentSection-jsx.patch

@@ -0,0 +1,13 @@
+diff --git a/browser/extensions/newtab/content-src/components/CustomizeMenu/ContentSection/ContentSection.jsx b/browser/extensions/newtab/content-src/components/CustomizeMenu/ContentSection/ContentSection.jsx
+index dcf192d0ab7323d69f1bf505971e57c98ad4397d..a4d88304786af35030391f71bc99eee6cf7c1a64 100644
+--- a/browser/extensions/newtab/content-src/components/CustomizeMenu/ContentSection/ContentSection.jsx
++++ b/browser/extensions/newtab/content-src/components/CustomizeMenu/ContentSection/ContentSection.jsx
+@@ -188,7 +188,7 @@ export class ContentSection extends React.PureComponent {
+                         data-l10n-args='{"num": 4}'
+                       />
+                     </select>
+-                    {mayHaveSponsoredTopSites && (
++                    {false && (
+                       <div className="check-wrapper" role="presentation">
+                         <input
+                           id="sponsored-shortcuts"

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

@@ -1,7 +1,7 @@
-diff --git a/browser/components/newtab/lib/AboutPreferences.sys.mjs b/browser/components/newtab/lib/AboutPreferences.sys.mjs
-index 33f7ecdaeb7074c7633dd229a4446f2a8ed4b247..f422a9bfb9694b190e84e81a430a509b4ab8c986 100644
---- a/browser/components/newtab/lib/AboutPreferences.sys.mjs
-+++ b/browser/components/newtab/lib/AboutPreferences.sys.mjs
+diff --git a/browser/extensions/newtab/lib/AboutPreferences.sys.mjs b/browser/extensions/newtab/lib/AboutPreferences.sys.mjs
+index df9d63c2713b4237d8acca93f108d5c788caed8d..a80cc02fdec6e1056d26a6b5a1cdc1a602e5cf2a 100644
+--- a/browser/extensions/newtab/lib/AboutPreferences.sys.mjs
++++ b/browser/extensions/newtab/lib/AboutPreferences.sys.mjs
 @@ -34,7 +34,7 @@ const PREFS_BEFORE_SECTIONS = () => [
        titleString: "home-prefs-shortcuts-header",
        descString: "home-prefs-shortcuts-description",

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

@@ -0,0 +1,13 @@
+diff --git a/browser/extensions/newtab/lib/ActivityStream.sys.mjs b/browser/extensions/newtab/lib/ActivityStream.sys.mjs
+index b3d89213ec27151f05e9990d5a55c6e81ce3655f..3c485f616fa2daba62aacbdde2dfb3122e244821 100644
+--- a/browser/extensions/newtab/lib/ActivityStream.sys.mjs
++++ b/browser/extensions/newtab/lib/ActivityStream.sys.mjs
+@@ -214,7 +214,7 @@ export const PREFS_CONFIG = new Map([
+     "showSponsoredTopSites",
+     {
+       title: "Show sponsored top sites",
+-      value: true,
++      value: false,
+     },
+   ],
+   [

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

@@ -0,0 +1,24 @@
+diff --git a/browser/modules/BrowserDOMWindow.sys.mjs b/browser/modules/BrowserDOMWindow.sys.mjs
+index 2bc4918c15b5ea80e486db66d20bb9668b9e29c0..3800a3807f11c5f65ce0d602a775f95037f5dcf8 100644
+--- a/browser/modules/BrowserDOMWindow.sys.mjs
++++ b/browser/modules/BrowserDOMWindow.sys.mjs
+@@ -362,7 +362,7 @@ export class BrowserDOMWindow {
+     // Passing a null-URI to only create the content window,
+     // and pass true for aSkipLoad to prevent loading of
+     // about:blank
+-    return this.getContentWindowOrOpenURIInFrame(
++    let res = this.getContentWindowOrOpenURIInFrame(
+       null,
+       aParams,
+       aWhere,
+@@ -370,6 +370,10 @@ export class BrowserDOMWindow {
+       aName,
+       true
+     );
++    if (typeof this.win?.gZenGlanceManager !== "undefined" && this.win.toolbar.visible) {
++      this.win.gZenGlanceManager.onTabOpen(res, aURI);
++    }
++    return res;
+   }
+ 
+   openURIInFrame(aURI, aParams, aWhere, aFlags, aName) {

src/browser/themes/addons/dark/manifest-json.patch

@@ -1,37 +0,0 @@
-diff --git a/browser/themes/addons/dark/manifest.json b/browser/themes/addons/dark/manifest.json
-index bfebde683d00b0acf26509139a0f662029d37c72..976b553f49e40b7ed02743d79ccc102fccffcf6f 100644
---- a/browser/themes/addons/dark/manifest.json
-+++ b/browser/themes/addons/dark/manifest.json
-@@ -7,10 +7,10 @@
-     }
-   },
- 
--  "name": "Dark",
-+  "name": "Zen Dark",
-   "description": "A theme with a dark color scheme.",
--  "author": "Mozilla",
-+  "author": "Zen",
-   "version": "1.3.2",
- 
-   "icons": { "32": "icon.svg" },
- 
-@@ -58,7 +58,8 @@
-       "color_scheme": "dark",
-       "panel_active": "color-mix(in srgb, currentColor 14%, transparent)",
-       "toolbar_field_icon_opacity": "1",
--      "zap_gradient": "linear-gradient(90deg, #9059FF 0%, #FF4AA2 52.08%, #FFBD4F 100%)"
-+      "zap_gradient": "linear-gradient(90deg, #9059FF 0%, #FF4AA2 52.08%, #FFBD4F 100%)",
-+      "zen_main_browser_background": "var(--zen-themed-toolbar-bg)"
-     }
-   },
- 
-@@ -82,7 +83,8 @@
-     "properties": {
-       "panel_active": "--arrowpanel-dimmed-further",
-       "toolbar_field_icon_opacity": "--urlbar-icon-fill-opacity",
--      "zap_gradient": "--panel-separator-zap-gradient"
-+      "zap_gradient": "--panel-separator-zap-gradient",
-+      "zen_main_browser_background": "--zen-main-browser-background"
-     }
-   }
- }

src/browser/themes/addons/light/manifest-json.patch

@@ -1,37 +0,0 @@
-diff --git a/browser/themes/addons/light/manifest.json b/browser/themes/addons/light/manifest.json
-index d490f8f08d203ded55b65fe1a19be105b61ee6c0..eb4349e939b979b3a4d7c525ee0c0f9a53079d4a 100644
---- a/browser/themes/addons/light/manifest.json
-+++ b/browser/themes/addons/light/manifest.json
-@@ -7,10 +7,10 @@
-     }
-   },
- 
--  "name": "Light",
-+  "name": "Zen Light",
-   "description": "A theme with a light color scheme.",
--  "author": "Mozilla",
-+  "author": "Zen",
-   "version": "1.3",
- 
-   "icons": { "32": "icon.svg" },
- 
-@@ -59,7 +59,8 @@
-       "panel_active": "color-mix(in srgb, currentColor 20%, transparent)",
-       "panel_active_darker": "color-mix(in srgb, currentColor 27%, transparent)",
-       "toolbar_field_icon_opacity": "0.72",
--      "zap_gradient": "linear-gradient(90deg, #9059FF 0%, #FF4AA2 52.08%, #FFBD4F 100%)"
-+      "zap_gradient": "linear-gradient(90deg, #9059FF 0%, #FF4AA2 52.08%, #FFBD4F 100%)",
-+      "zen_main_browser_background": "var(--zen-themed-toolbar-bg)"
-     }
-   },
- 
-@@ -86,7 +87,8 @@
-       "panel_active": "--arrowpanel-dimmed-further",
-       "panel_active_darker": "--panel-item-active-bgcolor",
-       "toolbar_field_icon_opacity": "--urlbar-icon-fill-opacity",
--      "zap_gradient": "--panel-separator-zap-gradient"
-+      "zap_gradient": "--panel-separator-zap-gradient",
-+      "zen_main_browser_background": "--zen-main-browser-background"
-     }
-   }
- }

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

@@ -1,5 +1,5 @@
 diff --git a/browser/themes/linux/browser.css b/browser/themes/linux/browser.css
-index dc95772553ef7130c27c1122178ff99028b601f2..81f7dbb40c35168376ca84eebfa9fba8d314cb90 100644
+index 5c9891e5ed4b865ed4ecc98d794a239b0f96a8f9..e13bf7277edeb49ebbb12cf9359ac6193bb47ebd 100644
 --- a/browser/themes/linux/browser.css
 +++ b/browser/themes/linux/browser.css
 @@ -42,21 +42,25 @@
@@ -17,7 +17,7 @@ index dc95772553ef7130c27c1122178ff99028b601f2..81f7dbb40c35168376ca84eebfa9fba8
      }
  
      /* stylelint-disable-next-line media-query-no-invalid */
-     @media (-moz-bool-pref: "widget.gtk.rounded-bottom-corners.enabled") {
+     @media -moz-pref("widget.gtk.rounded-bottom-corners.enabled") {
 -      #navigator-toolbox {
 +      #zen-main-app-wrapper {
          /* The body clip below covers this. */

src/modules/libpref/init/StaticPrefList-yaml.patch

@@ -1,17 +1,24 @@
 diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
-index a9863858f9a28b2c633edd9689d4379203eef1e6..7ac24baf70727a2a9be428c6f98763f312a0969b 100644
+index 85974462e5ce2b7dbf85bd5c79f09b3db5c25915..428a245cdf58d959256aa3c975687f31aed16b05 100644
 --- a/modules/libpref/init/StaticPrefList.yaml
 +++ b/modules/libpref/init/StaticPrefList.yaml
-@@ -18305,7 +18305,7 @@
+@@ -18462,13 +18462,13 @@
  # Whether we use the mica backdrop. Off by default for now.
  - name: widget.windows.mica
    type: bool
 -  value: false
 +  value: true
-   mirror: once
- #endif
+   mirror: always
  
-@@ -18418,6 +18418,26 @@
+ # Whether we use the mica backdrop for popups. Off by default for now.
+ - name: widget.windows.mica.popups
+   type: RelaxedAtomicBool
+-  value: false
++  value: true
+   mirror: always
+ 
+ # Whether we expand the client area into the taskbar hidden edge on maximized
+@@ -18594,6 +18594,26 @@
    mirror: always
  #endif
  

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

@@ -22,25 +22,6 @@ index 648c65a9c21dc0e670b50c82cbfb237a68a951d9..ba20bfdd8e6b9cc985977d06e166147e
 
      @media (prefers-contrast) {
        --panel-border-color: color-mix(in srgb, currentColor 60%, transparent);
-@@ -49,18 +47,6 @@ panel {
-     --panel-border-radius: 0px !important;
-   }
- 
--  @media (-moz-platform: macos) {
--    appearance: auto;
--    -moz-default-appearance: menupopup;
--    /* We set the default background here, rather than on ::part(content),
--     * because otherwise it'd interfere with the native look. Non-native-looking
--     * popups should get their background via --panel-background */
--    background-color: Menu;
--    --panel-background: none;
--    --panel-border-color: transparent;
--    /* This should be kept in sync with GetMenuMaskImage() */
--    --panel-border-radius: 6px;
--  }
- 
-   &::part(content) {
-     display: flex;
 @@ -198,7 +184,6 @@ panel:where([type="arrow"]) {
      }
 

src/widget/windows/WinUtils-cpp.patch

@@ -0,0 +1,12 @@
+diff --git a/widget/windows/WinUtils.cpp b/widget/windows/WinUtils.cpp
+index 598c96cbb5cd06a986a5793ebe9c5438d419d4a9..de1317749e6a6dd7df644818970d7706a51e6c14 100644
+--- a/widget/windows/WinUtils.cpp
++++ b/widget/windows/WinUtils.cpp
+@@ -2007,6 +2007,7 @@ bool WinUtils::GetTimezoneName(wchar_t* aBuffer) {
+ static constexpr nsLiteralCString kMicaPrefs[] = {
+     "widget.windows.mica"_ns,
+     "widget.windows.mica.popups"_ns,
++    "zen.widget.windows.acrylic"_ns,
+ };
+ 
+ static BOOL CALLBACK UpdateMicaInHwnd(HWND aHwnd, LPARAM aLParam) {

src/widget/windows/nsWindow-cpp.patch

@@ -1,5 +1,5 @@
 diff --git a/widget/windows/nsWindow.cpp b/widget/windows/nsWindow.cpp
-index 209fa7536df662e24bc6739b7ac9f911fba70ff0..321bb19cf7996a4632110e0099585d7e4ca4ca8a 100644
+index d2863d5fd9ce5cedc88253a07cb061a660d42e61..28e63f8bb0b6c8d3b5655b285ea1040ea426616d 100644
 --- a/widget/windows/nsWindow.cpp
 +++ b/widget/windows/nsWindow.cpp
 @@ -165,6 +165,7 @@
@@ -10,12 +10,12 @@ index 209fa7536df662e24bc6739b7ac9f911fba70ff0..321bb19cf7996a4632110e0099585d7e
  #include "nsNativeAppSupportWin.h"
  
  #include "nsIGfxInfo.h"
-@@ -2535,7 +2536,7 @@ void nsWindow::SetMicaBackdrop(bool aEnabled) {
- 
-   // Enable Mica Alt Material if available.
-   const DWM_SYSTEMBACKDROP_TYPE type =
--      aEnabled ? DWMSBT_TABBEDWINDOW : DWMSBT_AUTO;
-+      aEnabled ? (StaticPrefs::zen_widget_windows_acrylic_AtStartup() ? DWMSBT_TRANSIENTWINDOW : DWMSBT_TABBEDWINDOW) : DWMSBT_AUTO;
-   DwmSetWindowAttribute(mWnd, DWMWA_SYSTEMBACKDROP_TYPE, &type, sizeof type);
+@@ -2546,7 +2547,7 @@ void nsWindow::UpdateMicaBackdrop(bool aForce) {
+     if (!useBackdrop) {
+       return DWMSBT_AUTO;
      }
- 
+-    return IsPopup() ? DWMSBT_TRANSIENTWINDOW : DWMSBT_TABBEDWINDOW;
++    return IsPopup() ? DWMSBT_TRANSIENTWINDOW : (StaticPrefs::zen_widget_windows_acrylic_AtStartup() ? DWMSBT_TRANSIENTWINDOW : DWMSBT_TABBEDWINDOW);
+   }();
+   ::DwmSetWindowAttribute(mWnd, DWMWA_SYSTEMBACKDROP_TYPE, &backdrop,
+                           sizeof backdrop);