gh-14351: Sync upstream Firefox to version 152.0.2 (gh-14350)

This PR syncs the upstream Firefox to version 152.0.2.

* ✅ All patches applied cleanly.

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 `152.0`! 🚀
+- [`Release`](https://zen-browser.app/download) - Is currently built using Firefox version `152.0.2`! 🚀
-- [`Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 152.0`!
+- [`Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 152.0.2`!
 
 ### Contributing
 

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

@@ -1 +1 @@
-01604ce201d4de3c6d4b930d271ce4fe05e8d0c8
+16659f37ea7611e9444cacbbdb33831d4dbbe0db

locales/en-US/browser/browser/zen-general.ftl

@@ -19,13 +19,19 @@ tab-context-zen-add-essential-badge = { $num } / { $max }
 tab-context-zen-remove-essential =
     .label = Remove from Essentials
     .accesskey = R
-tab-context-zen-replace-pinned-url-with-current =
+tab-context-zen-edit-pinned-page =
     .label =
         { $isEssential ->
-            [true] Replace Essential URL with Current
+            [true] Edit Essential URL
-           *[false] Replace Pinned URL with Current
+           *[false] Edit Pinned URL
         }
+    .accesskey = P
+tab-context-zen-replace-pinned-url-with-current =
+    .label = Replace with Current URL
     .accesskey = C
+tab-context-zen-edit-pinned-url =
+    .label = Edit...
+    .accesskey = E
 tab-context-zen-edit-title =
     .label = Change Label...
 tab-context-zen-edit-icon =
@@ -55,6 +61,10 @@ zen-general-confirm =
     .label = Confirm
 
 zen-pinned-tab-replaced = Pinned tab URL has been replaced with the current URL!
+zen-pinned-tab-url-edited = Pinned tab URL has been updated!
+zen-pinned-tab-url-invalid = That doesn't look like a valid URL.
+zen-pinned-tab-edit-url-title = Edit Pinned URL
+zen-pinned-tab-edit-url-label = Enter the URL this pinned tab should point to:
 zen-tabs-renamed = Tab has been successfully renamed!
 zen-background-tab-opened-toast = New background tab opened!
 zen-workspace-renamed-toast = Workspace has been successfully renamed!

locales/en-US/browser/browser/zen-space-routing.ftl

@@ -25,3 +25,9 @@ zen-space-routing-open-in = Open In
 zen-space-routing-url = URL
 
 zen-space-routing-tab-routed-toast = New tab opened in { $targetWorkspace }
+tab-context-zen-add-domain-to-sr = 
+    .label = 
+        { $tabCount ->
+            [one] Add Route for Domain
+            *[other] Add Route for Domains
+        }

prefs/zen/windows.yaml

@@ -7,10 +7,6 @@
   value: true
   condition: "defined(XP_WIN)"
 
-- name: widget.windows.mica.popups
-  value: true
-  condition: "defined(XP_WIN)"
-
 # 1 = DWMSBT_MAINWINDOW
 # 2 = DWMSBT_TRANSIENTWINDOW (default, also used for popups)
 # 3 = DWMSBT_TABBEDWINDOW

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

@@ -0,0 +1,18 @@
+diff --git a/browser/base/content/aboutDialog.css b/browser/base/content/aboutDialog.css
+index 017125bc2510e5f5e317a5e78c40d6aa9ded76ca..d343d8c62a2251e3c3a33ae8f2ab9c4c68218c22 100644
+--- a/browser/base/content/aboutDialog.css
++++ b/browser/base/content/aboutDialog.css
+@@ -135,6 +135,13 @@
+   margin: 0 40px;
+ }
+ 
++#trademark {
++  font-size: xx-small;
++  text-align: center;
++  margin-block: 10px;
++  color: var(--text-color-deemphasized);
++}
++
+ #currentChannel {
+   margin: 0;
+   padding: 0;

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

@@ -1,5 +1,5 @@
 diff --git a/browser/base/content/aboutDialog.xhtml b/browser/base/content/aboutDialog.xhtml
-index 3ffd464b960a4299a7dd0cd87e4fc2f781b9d593..ef9f42d1f0196902b4af31f4496891fcd6319831 100644
+index 3ffd464b960a4299a7dd0cd87e4fc2f781b9d593..7a831c8ee2b73bb89bf8a82ac24958b55c16a5aa 100644
 --- a/browser/base/content/aboutDialog.xhtml
 +++ b/browser/base/content/aboutDialog.xhtml
 @@ -102,10 +102,6 @@
@@ -39,8 +39,8 @@ index 3ffd464b960a4299a7dd0cd87e4fc2f781b9d593..ef9f42d1f0196902b4af31f4496891fc
          <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="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="about:rights" data-l10n-id="bottom-links-terms"/>
-+        <label is="text-link" class="bottom-link" href="https://www.zen-browser.app/privacy-policy/" data-l10n-id="bottomLinks-privacy"/>
++        <label is="text-link" class="bottom-link" href="https://www.zen-browser.app/privacy-policy/" data-l10n-id="bottom-links-privacy"/>
        </hbox>
        <description id="trademark" data-l10n-id="trademarkInfo"></description>
      </vbox>

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

@@ -35,6 +35,7 @@
   <command id="cmd_zenToggleTabsOnRight" />
 
   <command id="cmd_zenReplacePinnedUrlWithCurrent" />
+  <command id="cmd_zenEditPinnedUrl" />
   <command id="cmd_contextZenAddToEssentials" />
   <command id="cmd_contextZenRemoveFromEssentials" />
 

src/browser/components/nova/NovaPrefs-sys-mjs.patch

@@ -0,0 +1,13 @@
+diff --git a/browser/components/nova/NovaPrefs.sys.mjs b/browser/components/nova/NovaPrefs.sys.mjs
+index 3d22c881c481643fcffbc581523905a1847a7d41..453dd4d9c43d7483c037a993afbf2b854533497c 100644
+--- a/browser/components/nova/NovaPrefs.sys.mjs
++++ b/browser/components/nova/NovaPrefs.sys.mjs
+@@ -18,7 +18,7 @@ const PLATFORM_PREFS = (() => {
+ })();
+ 
+ function applyNovaPlatformDefaults() {
+-  const on = Services.prefs.getBoolPref("browser.nova.enabled", false);
++  const on = true;
+   const defaults = Services.prefs.getDefaultBranch("");
+   for (const pref of PLATFORM_PREFS) {
+     defaults.setBoolPref(pref, on);

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

@@ -1,5 +1,5 @@
 diff --git a/browser/components/preferences/preferences.js b/browser/components/preferences/preferences.js
-index 57add34d876fb885275f1147209c6fbeee367a7c..5f4616d5f7d3d077326246e843775f58c293ee48 100644
+index 57add34d876fb885275f1147209c6fbeee367a7c..be0ab43b299317c0022a5e719f47a070c1574714 100644
 --- a/browser/components/preferences/preferences.js
 +++ b/browser/components/preferences/preferences.js
 @@ -132,6 +132,7 @@ ChromeUtils.defineLazyGetter(this, "gSubDialog", function () {
@@ -39,9 +39,12 @@ index 57add34d876fb885275f1147209c6fbeee367a7c..5f4616d5f7d3d077326246e843775f58
  
    // Restore the cached Firefox Labs nav button visibility so it shows
    // immediately when recipes are expected to be available, before
-@@ -653,7 +660,7 @@ async function gotoPref(
+@@ -651,9 +658,9 @@ async function gotoPref(
+   let redesignEnabled = srdSectionPrefs.all;
+   let categories = document.getElementById("categories");
    const kDefaultCategoryInternalName = redesignEnabled
-     ? "paneSync"
+-    ? "paneSync"
++    ? "paneTabsBrowsing"
      : "paneGeneral";
 -  const kDefaultCategory = redesignEnabled ? "sync" : "general";
 +  const kDefaultCategory = redesignEnabled ? "tabsBrowsing" : "general";

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

@@ -1,8 +1,23 @@
 diff --git a/browser/components/tabbrowser/content/tabs.js b/browser/components/tabbrowser/content/tabs.js
-index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9ea21b6f6 100644
+index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..b9a1cfe3a4a5035d9b06b0b3826a97c52cfcb39e 100644
 --- a/browser/components/tabbrowser/content/tabs.js
 +++ b/browser/components/tabbrowser/content/tabs.js
-@@ -220,7 +220,7 @@
+@@ -197,8 +197,12 @@
+       XPCOMUtils.defineLazyPreferenceGetter(
+         this,
+         "_sidebarPositionStart",
+-        "sidebar.position_start",
+-        true
++        "zen.tabs.vertical.right-side",
++        true,
++        null,
++        newValue => {
++          return !newValue;
++        }
+       );
+ 
+       if (gMultiProcessBrowser) {
+@@ -220,7 +224,7 @@
  
        this.tooltip = "tabbrowser-tab-tooltip";
  
@@ -11,7 +26,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
        this.tabDragAndDrop.init();
      }
  
-@@ -444,7 +444,7 @@
+@@ -444,7 +448,7 @@
        // and we're not hitting the scroll buttons.
        if (
          event.button != 0 ||
@@ -20,7 +35,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
          event.composedTarget.localName == "toolbarbutton"
        ) {
          return;
-@@ -525,7 +525,6 @@
+@@ -525,7 +529,6 @@
              });
            }
          } else if (isTabGroupLabel(event.target)) {
@@ -28,7 +43,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
          } else if (
            event.originalTarget.closest("scrollbox") &&
            !Services.prefs.getBoolPref(
-@@ -561,6 +560,9 @@
+@@ -561,6 +564,9 @@
      }
  
      on_keydown(event) {
@@ -38,7 +53,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
        let { altKey, shiftKey } = event;
        let [accel, nonAccel] =
          AppConstants.platform == "macosx"
-@@ -755,7 +757,6 @@
+@@ -755,7 +761,6 @@
        this._updateCloseButtons();
  
        if (!this.#animatingGroups.size) {
@@ -46,7 +61,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
        }
  
        document
-@@ -822,7 +823,7 @@
+@@ -822,7 +827,7 @@
      }
  
      get newTabButton() {
@@ -55,7 +70,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
      }
  
      get verticalMode() {
-@@ -838,6 +839,7 @@
+@@ -838,6 +843,7 @@
      }
  
      get overflowing() {
@@ -63,7 +78,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
        return this.hasAttribute("overflow");
      }
  
-@@ -851,29 +853,56 @@
+@@ -851,29 +857,56 @@
        if (pinnedChildren?.at(-1)?.id == "pinned-tabs-container-periphery") {
          pinnedChildren.pop();
        }
@@ -93,7 +108,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
 +          } else if (!isTab(tab)) {
 +            tabs.splice(i, 1);
 +          }
-         }
++        }
 +      };
 +      expandTabs(pinnedTabs);
 +      expandTabs(unpinnedChildren);
@@ -114,7 +129,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
 +          // remove the separator from the list
 +          allTabs.splice(i, 1);
 +          i--;
-+        }
+         }
 +        i++;
        }
 -
@@ -130,7 +145,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
      }
  
      get allSplitViews() {
-@@ -958,29 +987,28 @@
+@@ -958,29 +991,28 @@
          return this.#focusableItems;
        }
  
@@ -170,7 +185,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
        this.#focusableItems = focusableItems;
  
        return this.#focusableItems;
-@@ -993,6 +1021,7 @@
+@@ -993,6 +1025,7 @@
       * focusable (ex, we don't want the splitview container to be focusable, only its children).
       */
      get dragAndDropElements() {
@@ -178,7 +193,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
        if (this.#dragAndDropElements) {
          return this.#dragAndDropElements;
        }
-@@ -1063,6 +1092,7 @@
+@@ -1063,6 +1096,7 @@
      _invalidateCachedTabs() {
        this.#allTabs = null;
        this._invalidateCachedVisibleTabs();
@@ -186,7 +201,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
      }
  
      _invalidateCachedVisibleTabs() {
-@@ -1082,7 +1112,8 @@
+@@ -1082,7 +1116,8 @@
  
      isContainerVerticalPinnedGrid(tab) {
        return (
@@ -196,7 +211,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
          this.verticalMode &&
          this.hasAttribute("expanded") &&
          !this.expandOnHover
-@@ -1176,7 +1207,7 @@
+@@ -1176,7 +1211,7 @@
  
        if (node == null) {
          // We have a container for non-tab elements at the end of the scrollbox.
@@ -205,7 +220,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
        }
  
        node.before(tab);
-@@ -1271,7 +1302,7 @@
+@@ -1271,7 +1306,7 @@
            // 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.
@@ -214,7 +229,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
            const newTab2 = this.newTabButton;
            const newTabVertical = document.getElementById(
              "vertical-tabs-newtab-button"
-@@ -1376,8 +1407,10 @@
+@@ -1376,8 +1411,10 @@
       */
      _handleTabSelect(aInstant) {
        let selectedTab = this.selectedItem;
@@ -225,7 +240,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
        selectedTab._notselectedsinceload = false;
      }
  
-@@ -1386,7 +1419,7 @@
+@@ -1386,7 +1423,7 @@
       * @param {boolean} [shouldScrollInstantly=false]
       */
      #ensureTabIsVisible(tab, shouldScrollInstantly = false) {
@@ -234,7 +249,7 @@ index 568f3a7cc7051ff8cb569f6bcb8018a5212f7072..3036768b8911b4fbc28df7528f7189d9
        if (arrowScrollbox?.overflowing) {
          arrowScrollbox.ensureElementIsVisible(tab, shouldScrollInstantly);
        }
-@@ -1513,7 +1546,7 @@
+@@ -1513,7 +1550,7 @@
      }
  
      _notifyBackgroundTab(aTab) {

src/zen/ZenComponents.manifest

@@ -16,3 +16,4 @@ category app-startup nsBrowserGlue @mozilla.org/browser/browserglue;1 applicatio
 #include common/Components.manifest
 #include sessionstore/SessionComponents.manifest
 #include live-folders/LiveFoldersComponents.manifest
+#include space-routing/SpaceRoutingComponents.manifest

src/zen/common/emojis/ZenEmojiPicker.mjs

@@ -47,6 +47,7 @@ class nsZenEmojiPicker extends nsZenDOMOperatedFeature {
   init() {
     this.#panel = document.getElementById("PanelUI-zen-emojis-picker");
     this.#panel.addEventListener("popupshowing", this);
+    this.#panel.addEventListener("popupshown", this);
     this.#panel.addEventListener("popuphidden", this);
     this.#panel.addEventListener("command", this);
     this.searchInput.addEventListener("input", this);
@@ -57,6 +58,9 @@ class nsZenEmojiPicker extends nsZenDOMOperatedFeature {
       case "popupshowing":
         this.#onPopupShowing(event);
         break;
+      case "popupshown":
+        this.#onPopupShown(event);
+        break;
       case "popuphidden":
         this.#onPopupHidden(event);
         break;
@@ -103,17 +107,20 @@ class nsZenEmojiPicker extends nsZenDOMOperatedFeature {
     return document.getElementById("PanelUI-zen-emojis-picker-search");
   }
 
-  #changePage(toSvg = false) {
+  #changePage(toSvg = false, { animate = true } = {}) {
+    const pages = document.getElementById("PanelUI-zen-emojis-picker-pages");
     const itemToScroll = toSvg
       ? this.svgList
-      : document
+      : pages.querySelector('[emojis="true"]');
-          .getElementById("PanelUI-zen-emojis-picker-pages")
+    if (animate) {
-          .querySelector('[emojis="true"]');
       itemToScroll.scrollIntoView({
         behavior: "smooth",
         block: "nearest",
         inline: "start",
       });
+    } else {
+      pages.scrollLeft = toSvg ? itemToScroll.offsetLeft : 0;
+    }
     const button = document.getElementById(
       `PanelUI-zen-emojis-picker-change-${toSvg ? "svg" : "emojis"}`
     );
@@ -180,9 +187,6 @@ class nsZenEmojiPicker extends nsZenDOMOperatedFeature {
         });
         emojiList.appendChild(item);
       }
-      setTimeout(() => {
-        this.searchInput.focus();
-      }, 500);
     }
     const svgList = this.svgList;
     for (const icon of SVG_ICONS) {
@@ -199,14 +203,23 @@ class nsZenEmojiPicker extends nsZenDOMOperatedFeature {
     }
   }
 
+  #onPopupShown(event) {
+    if (event.target !== this.#panel) {
+      return;
+    }
+    const allowEmojis = !this.#panel.hasAttribute("only-svg-icons");
+    if (allowEmojis) {
+      this.searchInput.focus({ preventScroll: true });
+    }
+    this.#changePage(false, { animate: false });
+  }
+
   #onPopupHidden(event) {
     if (event.target !== this.#panel) {
       return;
     }
     this.#clearEmojis();
 
-    this.#changePage(false);
-
     const emojiList = this.emojiList;
     emojiList.innerHTML = "";
 

src/zen/common/zen-sets.js

@@ -78,6 +78,9 @@ document.addEventListener(
           case "cmd_zenReplacePinnedUrlWithCurrent":
             gZenPinnedTabManager.replacePinnedUrlWithCurrent();
             break;
+          case "cmd_zenEditPinnedUrl":
+            gZenPinnedTabManager.editPinnedUrl();
+            break;
           case "cmd_contextZenAddToEssentials":
             gZenPinnedTabManager.addToEssentials();
             break;

src/zen/drag-and-drop/ZenDragAndDrop.js

@@ -723,8 +723,11 @@
       const { isNearLeftEdge, isNearRightEdge } =
         this.#shouldSwitchSpace(event);
       if (isNearLeftEdge || isNearRightEdge) {
-        if (!this.#changeSpaceTimer) {
+        if (!this.#changeSpaceTimer && !this.#isOutOfWindow) {
           this.#changeSpaceTimer = setTimeout(() => {
+            if (this.#isOutOfWindow) {
+              return;
+            }
             this.clearDragOverVisuals();
             gZenWorkspaces
               .changeWorkspaceShortcut(
@@ -956,8 +959,10 @@
       if (ownerGlobal?.gZenCompactModeManager) {
         // Sometimes, dragend doesn't always get called when dragging
         // to different windows, see gh-8643.
+        requestAnimationFrame(() => {
           delete ownerGlobal.gZenCompactModeManager._isTabBeingDragged;
           ownerGlobal.gZenCompactModeManager._clearAllHoverStates();
+        });
       }
       this.clearSpaceSwitchTimer();
       gZenFolders.highlightGroupOnDragOver(null);

src/zen/glance/ZenGlanceManager.mjs

@@ -53,6 +53,10 @@ class nsZenGlanceManager extends nsZenDOMOperatedFeature {
   #setupEventListeners() {
     window.addEventListener("TabClose", this.onTabClose.bind(this));
     window.addEventListener("TabSelect", this.onLocationChange.bind(this));
+    window.addEventListener(
+      "MozDOMFullscreen:Entered",
+      this.onFullscreenEntered.bind(this)
+    );
 
     document
       .getElementById("tabbrowser-tabpanels")
@@ -1414,6 +1418,23 @@ class nsZenGlanceManager extends nsZenDOMOperatedFeature {
     }
   }
 
+  /**
+   * Handle DOM Fullscreen request while inside glance
+   *
+   * @param {Event} event - The MozDOMFullscreen:Entered event
+   */
+  onFullscreenEntered(event) {
+    const browser = this.#currentBrowser;
+
+    if (!browser) {
+      return;
+    }
+
+    if (event.target === browser) {
+      this.fullyOpenGlance();
+    }
+  }
+
   /**
    * Manage tab close for glance tabs
    *

src/zen/sessionstore/ZenWindowSync.sys.mjs

@@ -1232,20 +1232,39 @@ class nsZenWindowSync {
       activeIndex = Math.min(activeIndex, entries.length - 1);
       activeIndex = Math.max(activeIndex, 0);
       let entryToUse = (entries[activeIndex] || entries[0]) ?? null;
-      const initialState = {
+      this.#setPinnedInitialState(
-        entry: {
+        aTab,
-          url: entryToUse?.url,
+        { url: entryToUse?.url, title: entryToUse?.title },
-          title: entryToUse?.title,
+        image
-        },
+      );
-        image,
+    });
-      };
+  }
+
+  /**
+   * Sets the canonical pinned URL for a tab across all windows. Used to let the
+   * user edit a pinned tab's URL directly.
+   *
+   * @param {object} aTab - The tab to set the pinned URL for.
+   * @param {string} aUrl - The URL to store as the canonical pinned URL.
+   * @param {string} [aImage] - Optional Icon to store.
+   */
+  setPinnedUrl(aTab, aUrl, aImage) {
+    this.log(`Setting pinned url for tab ${aTab.id}`);
+    this.#setPinnedInitialState(
+      aTab,
+      { url: aUrl, title: aTab.zenStaticLabel },
+      aImage
+    );
+  }
+
+  #setPinnedInitialState(aTab, aEntry, aImage) {
+    const initialState = { entry: aEntry, image: aImage };
     this.#runOnAllWindows(null, win => {
       const targetTab = this.getItemFromWindow(win, aTab.id);
       if (targetTab) {
         targetTab._zenPinnedInitialState = initialState;
       }
     });
-    });
   }
 
   /**

src/zen/space-routing/SpaceRoutingComponents.manifest

@@ -0,0 +1,5 @@
+# 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/.
+
+category browser-window-delayed-startup resource:///modules/zen/spacerouting/ZenSpaceRoutingManager.sys.mjs gZenSpaceRoutingManager.onDelayedBrowserStartup

src/zen/space-routing/ZenSpaceRoutingManager.sys.mjs

@@ -18,6 +18,58 @@ class nsZenSpaceRoutingManager {
     this.#readFromDisk();
   }
 
+  /**
+   * Auto invoked for every window on delayed startup
+   *
+   * @param {nsIDOMWindow} window - The browser window that just started up
+   */
+  onDelayedBrowserStartup(window) {
+    const element = window.MozXULElement.parseXULToFragment(`
+        <menuseparator/>
+        <menuitem id="context_zen-add-domain-to-routing"
+                  data-lazy-l10n-id="tab-context-zen-add-domain-to-sr"
+                  data-l10n-args='{"tabCount": 1}'/>
+      `);
+    window.document.getElementById("context_undoCloseTab").after(element);
+
+    window.document
+      .getElementById("context_zen-add-domain-to-routing")
+      .addEventListener("command", this.#onAddSelectedToRouting.bind(this));
+    window.document
+      .getElementById("tabContextMenu")
+      .addEventListener(
+        "popupshowing",
+        this.#updateTabCloseCountState.bind(this)
+      );
+  }
+
+  /**
+   * Updates the "context_zen-add-domain-to-routing" command
+   * to reflect the number of selected tabs, when applicable.
+   *
+   * @param {Event} event - The event param
+   */
+  #updateTabCloseCountState(event) {
+    const window = event.target.documentGlobal;
+    window.document.l10n.setArgs(
+      window.document.getElementById("context_zen-add-domain-to-routing"),
+      { tabCount: window.gBrowser.selectedTabs.length }
+    );
+  }
+
+  /**
+   * Callback for whenever the menuitem command is ran
+   *
+   * @param {Event} event - The event parameter
+   */
+  #onAddSelectedToRouting(event) {
+    const window = event.target.documentGlobal;
+    const tabs = window.TabContextMenu.contextTab.multiselected
+      ? window.gBrowser.selectedTabs
+      : [window.TabContextMenu.contextTab];
+    this.addRouteForSelected(tabs, window);
+  }
+
   /**
    * Callback that will be executed from tabbrowser.js
    * This method can be used to stop the tab from being created.
@@ -403,6 +455,37 @@ class nsZenSpaceRoutingManager {
     this.#file.data.defaultRouteExternal = routeType;
   }
 
+  /**
+   * Adds a new route for all given tabs
+   *
+   * @param {Array<object>} selectedTabs - The tabs that should be routed
+   * @param {Window} parentWindow - The window from which this is being executed
+   */
+  addRouteForSelected(selectedTabs, parentWindow) {
+    const newRoute = this.createNewRoute();
+    let routeReference = "";
+
+    if (selectedTabs.length == 1) {
+      newRoute.matchType = "contains";
+      routeReference = selectedTabs[0].linkedBrowser.currentURI.host;
+    } else {
+      newRoute.matchType = "regex";
+      routeReference = "(";
+      for (let i = 0; i < selectedTabs.length; i++) {
+        const domain = selectedTabs[i].linkedBrowser.currentURI.host;
+        routeReference += domain.replaceAll(".", "\.");
+        if (i != selectedTabs.length - 1) {
+          routeReference += "|";
+        }
+      }
+      routeReference += ")";
+    }
+
+    newRoute.reference = routeReference;
+    this.updateRoute(newRoute);
+    this.openSpaceRoutingDialog(parentWindow);
+  }
+
   /**
    * Saves all routes. The list of
    * routes is stripped of empty routes

src/zen/spaces/ZenSpaceManager.mjs

@@ -1506,19 +1506,27 @@ class nsZenWorkspaces {
         continue;
       }
 
+      const newtabPlacement = Services.prefs.getBoolPref(
+        "zen.view.show-newtab-button-top",
+        false
+      );
+      const insertElement = newtabPlacement
+        ? container.firstChild
+        : container.lastChild;
+
       if (container) {
         if (tab.group?.hasAttribute("split-view-group")) {
           gBrowser.zenHandleTabMove(tab.group, () => {
             for (const subTab of tab.group.tabs) {
               subTab.setAttribute("zen-workspace-id", workspaceID);
             }
-            container.insertBefore(tab.group, container.lastChild);
+            container.insertBefore(tab.group, insertElement);
           });
           continue;
         }
         gBrowser.zenHandleTabMove(tab, () => {
           tab.setAttribute("zen-workspace-id", workspaceID);
-          container.insertBefore(tab, container.lastChild);
+          container.insertBefore(tab, insertElement);
         });
       }
       // also change glance tab if it's the same tab

src/zen/tabs/ZenPinnedTabManager.mjs

@@ -246,6 +246,66 @@ class nsZenPinnedTabManager extends nsZenDOMOperatedFeature {
     gZenUIManager.showToast("zen-pinned-tab-replaced");
   }
 
+  async editPinnedUrl(tab = undefined) {
+    tab ??= TabContextMenu.contextTab;
+    if (!tab || !tab.pinned) {
+      return;
+    }
+
+    const initialUrl =
+      tab._zenPinnedInitialState?.entry?.url ||
+      tab.linkedBrowser?.currentURI?.spec;
+    const [title, label] = await document.l10n.formatValues([
+      { id: "zen-pinned-tab-edit-url-title" },
+      { id: "zen-pinned-tab-edit-url-label" },
+    ]);
+    const result = { value: initialUrl ?? "" };
+    const confirmed = Services.prompt.prompt(
+      window,
+      title,
+      label,
+      result,
+      null,
+      { value: false }
+    );
+    if (!confirmed) {
+      return;
+    }
+
+    let uri;
+    try {
+      uri = Services.uriFixup.getFixupURIInfo(
+        result.value.trim(),
+        Ci.nsIURIFixup.FIXUP_FLAG_FIX_SCHEME_TYPOS
+      ).preferredURI;
+    } catch (_) {}
+    if (!uri) {
+      gZenUIManager.showToast("zen-pinned-tab-url-invalid");
+      return;
+    }
+    const url = uri.spec;
+
+    // Skip when the value wasn't actually changed from what was prefilled.
+    if (!url || url === initialUrl) {
+      return;
+    }
+
+    const image = tab.zenStaticIcon || (await this.#getCachedFavicon(uri));
+    window.gZenWindowSync.setPinnedUrl(tab, url, image);
+    this.#resetTabToStoredState(tab);
+    gZenUIManager.showToast("zen-pinned-tab-url-edited");
+  }
+
+  async #getCachedFavicon(uri) {
+    try {
+      const favicon = await PlacesUtils.favicons.getFaviconForPage(uri);
+      return favicon?.dataURI?.spec;
+    } catch (ex) {
+      console.error("Failed to get favicon for edited pinned url:", ex);
+      return null;
+    }
+  }
+
   _initClosePinnedTabShortcut() {
     let cmdClose = document.getElementById("cmd_close");
 
@@ -545,11 +605,20 @@ class nsZenPinnedTabManager extends nsZenDOMOperatedFeature {
     }
     const elements = window.MozXULElement.parseXULToFragment(`
             <menuseparator id="context_zen-pinned-tab-separator" hidden="true"/>
+            <menu id="context_zen-edit-pinned-page"
+                  data-lazy-l10n-id="tab-context-zen-edit-pinned-page"
+                  data-l10n-args="{&quot;isEssential&quot;:&quot;&quot;}"
+                  hidden="true">
+              <menupopup>
                 <menuitem id="context_zen-replace-pinned-url-with-current"
                           data-lazy-l10n-id="tab-context-zen-replace-pinned-url-with-current"
                           data-l10n-args="{&quot;isEssential&quot;:&quot;&quot;}"
-                      hidden="true"
                           command="cmd_zenReplacePinnedUrlWithCurrent"/>
+                <menuitem id="context_zen-edit-pinned-url"
+                          data-lazy-l10n-id="tab-context-zen-edit-pinned-url"
+                          command="cmd_zenEditPinnedUrl"/>
+              </menupopup>
+            </menu>
             <menuitem id="context_zen-reset-pinned-tab"
                       data-lazy-l10n-id="tab-context-zen-reset-pinned-tab"
                       data-l10n-args="{&quot;isEssential&quot;:&quot;&quot;}"
@@ -619,15 +688,24 @@ class nsZenPinnedTabManager extends nsZenDOMOperatedFeature {
     const zenResetPinnedTab = document.getElementById(
       "context_zen-reset-pinned-tab"
     );
+    const zenEditPinnedPage = document.getElementById(
+      "context_zen-edit-pinned-page"
+    );
     const zenReplacePinnedUrl = document.getElementById(
       "context_zen-replace-pinned-url-with-current"
     );
-    [zenResetPinnedTab, zenReplacePinnedUrl].forEach(element => {
+    [zenResetPinnedTab, zenEditPinnedPage].forEach(element => {
       if (element) {
         element.hidden = !isVisible;
-        document.l10n.setArgs(element, { isEssential });
       }
     });
+    [zenResetPinnedTab, zenEditPinnedPage, zenReplacePinnedUrl].forEach(
+      element => {
+        if (element) {
+          document.l10n.setArgs(element, { isEssential });
+        }
+      }
+    );
     zenAddEssential.hidden = isEssential || !!contextTab.group;
     document.l10n
       .formatValue("tab-context-zen-add-essential-badge", {
@@ -857,7 +935,7 @@ class nsZenPinnedTabManager extends nsZenDOMOperatedFeature {
     ) {
       return;
     }
-    // Remove # and ? from the URL
+    // Remove # from the URL
     const pinUrl = tab._zenPinnedInitialState.entry.url.split("#")[0];
     const currentUrl = location.split("#")[0];
     // Add an indicator that the pin has been changed
@@ -897,10 +975,14 @@ class nsZenPinnedTabManager extends nsZenDOMOperatedFeature {
     } else {
       tab.setAttribute("zen-pinned-changed", "true");
     }
+    if (tab._zenPinnedInitialState.image) {
       tab.style.setProperty(
         "--zen-original-tab-icon",
         `url(${tab._zenPinnedInitialState.image})`
       );
+    } else {
+      tab.style.removeProperty("--zen-original-tab-icon");
+    }
   }
 
   removeTabContainersDragoverClass(hideIndicator = true) {

src/zen/tests/pinned/browser.toml

@@ -13,6 +13,8 @@ prefs = ["zen.workspaces.separate-essentials=false"]
 
 ["browser_pinned_created.js"]
 
+["browser_pinned_edit_url.js"]
+
 ["browser_pinned_nounload_reset.js"]
 
 ["browser_pinned_reset_button.js"]

src/zen/tests/pinned/browser_pinned_edit_url.js

@@ -0,0 +1,384 @@
+/* Any copyright is dedicated to the Public Domain.
+   https://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+async function pinTab(url) {
+  const tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
+  gBrowser.pinTab(tab);
+  await gBrowser.TabStateFlusher.flush(tab.linkedBrowser);
+  // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
+  await new Promise(r => setTimeout(r, 500));
+  return tab;
+}
+
+// XPCOM service methods can't be stubbed in place (non-configurable), so we
+// swap the whole service object out for a mock and restore it afterwards.
+function mockPrompt(value) {
+  const original = Services.prompt;
+  Services.prompt = {
+    QueryInterface: ChromeUtils.generateQI([Ci.nsIPromptService]),
+    prompt(win, title, label, result) {
+      if (value === null) {
+        return false; // user cancelled
+      }
+      result.value = value;
+      return true;
+    },
+  };
+  return () => {
+    Services.prompt = original;
+  };
+}
+
+function mockFavicons(faviconSpec) {
+  const original = PlacesUtils.favicons;
+  const mock = {
+    callCount: 0,
+    defaultFavicon: { spec: "data:image/png;base64,DEFAULT" },
+    getFaviconForPage() {
+      mock.callCount++;
+      return Promise.resolve(
+        faviconSpec ? { dataURI: { spec: faviconSpec } } : null
+      );
+    },
+  };
+  PlacesUtils.favicons = mock;
+  return {
+    mock,
+    restore: () => {
+      PlacesUtils.favicons = original;
+    },
+  };
+}
+
+add_task(async function test_EditPinnedUrl_SurvivesRebuild() {
+  // Pinned tab at url1 (loaded), then select a different tab (unfocus it).
+  const tab = await pinTab("https://example.com/1");
+  const other = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "https://example.com/other"
+  );
+
+  const editedUrl = "https://example.com/edited";
+  const restorePrompt = mockPrompt(editedUrl);
+  const favicons = mockFavicons("data:image/png;base64,iVBORw0KGgo=");
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+
+    // Close + re-open rebuilds the tab: the in-memory _zenPinnedInitialState is
+    // gone and gets reconstructed from the persisted session via
+    // setPinnedTabState (exactly what #onSessionStoreInitialized does).
+    delete tab._zenPinnedInitialState;
+    await window.gZenWindowSync.setPinnedTabState(tab);
+
+    Assert.equal(
+      tab._zenPinnedInitialState.entry.url,
+      editedUrl,
+      "After the tab is rebuilt, the pinned URL should still be the edited one"
+    );
+  } finally {
+    restorePrompt();
+    favicons.restore();
+    await BrowserTestUtils.removeTab(other);
+    await BrowserTestUtils.removeTab(tab);
+  }
+});
+
+add_task(async function test_EditPinnedUrl_ActiveTabNavigates() {
+  // Editing the active (focused) pinned tab applies the new URL immediately:
+  // the live tab navigates to it (matching Arc's behavior).
+  const tab = await pinTab("https://example.com/1");
+  Assert.equal(gBrowser.selectedTab, tab, "the pinned tab should be active");
+
+  const editedUrl = "https://example.com/edited";
+  const restorePrompt = mockPrompt(editedUrl);
+  const favicons = mockFavicons("data:image/png;base64,iVBORw0KGgo=");
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+    await BrowserTestUtils.waitForCondition(
+      () => tab.linkedBrowser.currentURI.spec === editedUrl,
+      "the active pinned tab to navigate to the edited URL"
+    );
+
+    Assert.equal(
+      tab.linkedBrowser.currentURI.spec,
+      editedUrl,
+      "Editing the active pinned tab should navigate it to the new URL"
+    );
+  } finally {
+    restorePrompt();
+    favicons.restore();
+    await BrowserTestUtils.removeTab(tab);
+  }
+});
+
+add_task(
+  async function test_EditPinnedUrl_FaviconLookupErrorLeavesImageEmpty() {
+    const tab = await pinTab("https://example.com/1");
+    const restorePrompt = mockPrompt("https://example.org/edited");
+    const favicons = mockFavicons(null);
+    // Simulate a Places DB failure so #getCachedFavicon hits its catch branch.
+    favicons.mock.getFaviconForPage = () =>
+      Promise.reject(new Error("simulated favicon DB failure"));
+
+    try {
+      await gZenPinnedTabManager.editPinnedUrl(tab);
+
+      Assert.equal(
+        tab._zenPinnedInitialState.entry.url,
+        "https://example.org/edited",
+        "The URL should still be updated when the favicon lookup fails"
+      );
+      ok(
+        !tab._zenPinnedInitialState.image,
+        "The image should be left empty (populated by the next navigation)"
+      );
+    } finally {
+      restorePrompt();
+      favicons.restore();
+      await BrowserTestUtils.removeTab(tab);
+    }
+  }
+);
+
+add_task(async function test_EditPinnedUrl_UpdatesUrlAndFavicon() {
+  const tab = await pinTab("https://example.com/1");
+  const faviconSpec = "data:image/png;base64,iVBORw0KGgo=";
+  const restorePrompt = mockPrompt("https://example.org/edited");
+  const favicons = mockFavicons(faviconSpec);
+
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+
+    Assert.equal(
+      tab._zenPinnedInitialState.entry.url,
+      "https://example.org/edited",
+      "The pinned URL should be updated to the edited value"
+    );
+    Assert.equal(
+      tab._zenPinnedInitialState.image,
+      faviconSpec,
+      "The stored icon should be the cached favicon for the new URL"
+    );
+  } finally {
+    restorePrompt();
+    favicons.restore();
+    await BrowserTestUtils.removeTab(tab);
+  }
+});
+
+add_task(async function test_EditPinnedUrl_NoCachedFaviconLeavesImageEmpty() {
+  const tab = await pinTab("https://example.com/1");
+  const restorePrompt = mockPrompt("https://example.org/edited");
+  const favicons = mockFavicons(null); // no cached favicon for the new URL
+
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+
+    ok(
+      !tab._zenPinnedInitialState.image,
+      "Without a cached favicon the image is left empty, not the default; the " +
+        "next navigation captures the real icon"
+    );
+  } finally {
+    restorePrompt();
+    favicons.restore();
+    await BrowserTestUtils.removeTab(tab);
+  }
+});
+
+add_task(async function test_EditPinnedUrl_ClearsStaleTitle() {
+  const tab = await pinTab("https://example.com/1");
+  const restorePrompt = mockPrompt("https://example.org/edited");
+  const favicons = mockFavicons("data:image/png;base64,iVBORw0KGgo=");
+
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+
+    ok(
+      !tab._zenPinnedInitialState.entry.title,
+      "The previous title is cleared so the new page's title is used on load"
+    );
+  } finally {
+    restorePrompt();
+    favicons.restore();
+    await BrowserTestUtils.removeTab(tab);
+  }
+});
+
+add_task(async function test_EditPinnedUrl_KeepsCustomLabel() {
+  const tab = await pinTab("https://example.com/1");
+  tab.zenStaticLabel = "My Pinned Tab";
+  const restorePrompt = mockPrompt("https://example.org/edited");
+  const favicons = mockFavicons("data:image/png;base64,iVBORw0KGgo=");
+
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+
+    Assert.equal(
+      tab._zenPinnedInitialState.entry.title,
+      "My Pinned Tab",
+      "An explicit custom label is preserved across a URL edit"
+    );
+  } finally {
+    restorePrompt();
+    favicons.restore();
+    delete tab.zenStaticLabel;
+    await BrowserTestUtils.removeTab(tab);
+  }
+});
+
+add_task(async function test_EditPinnedUrl_KeepsCustomIcon() {
+  const tab = await pinTab("https://example.com/1");
+  const customIcon = "data:image/svg+xml,custom-icon";
+  tab.zenStaticIcon = customIcon;
+  const restorePrompt = mockPrompt("https://example.org/edited");
+  const favicons = mockFavicons("data:image/png;base64,iVBORw0KGgo=");
+
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+
+    Assert.equal(
+      tab._zenPinnedInitialState.entry.url,
+      "https://example.org/edited",
+      "The pinned URL should still be updated when a custom icon is set"
+    );
+    Assert.equal(
+      tab._zenPinnedInitialState.image,
+      customIcon,
+      "A user-set custom icon should be preserved, not overridden by a favicon"
+    );
+    Assert.equal(
+      favicons.mock.callCount,
+      0,
+      "Favicon lookup should be skipped when a custom icon is set"
+    );
+  } finally {
+    restorePrompt();
+    favicons.restore();
+    delete tab.zenStaticIcon;
+    await BrowserTestUtils.removeTab(tab);
+  }
+});
+
+add_task(async function test_EditPinnedUrl_InvalidUrlKeepsState() {
+  const tab = await pinTab("https://example.com/1");
+  const originalUrl = tab._zenPinnedInitialState.entry.url;
+  const restorePrompt = mockPrompt("   "); // whitespace only -> not a valid URL
+  const favicons = mockFavicons("data:image/png;base64,iVBORw0KGgo=");
+
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+
+    Assert.equal(
+      tab._zenPinnedInitialState.entry.url,
+      originalUrl,
+      "The pinned URL should be unchanged for invalid input"
+    );
+    ok(
+      !tab.hasAttribute("zen-pinned-changed"),
+      "The tab should not be marked as changed for invalid input"
+    );
+  } finally {
+    restorePrompt();
+    favicons.restore();
+    await BrowserTestUtils.removeTab(tab);
+  }
+});
+
+add_task(async function test_EditPinnedUrl_CancelKeepsState() {
+  const tab = await pinTab("https://example.com/1");
+  const originalUrl = tab._zenPinnedInitialState.entry.url;
+  const restorePrompt = mockPrompt(null); // user cancels the dialog
+
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+
+    Assert.equal(
+      tab._zenPinnedInitialState.entry.url,
+      originalUrl,
+      "The pinned URL should be unchanged when the dialog is cancelled"
+    );
+  } finally {
+    restorePrompt();
+    await BrowserTestUtils.removeTab(tab);
+  }
+});
+
+add_task(async function test_EditPinnedUrl_FixesSchemeTypo() {
+  const tab = await pinTab("https://example.com/1");
+  const restorePrompt = mockPrompt("htps://example.org/typo");
+  const favicons = mockFavicons("data:image/png;base64,iVBORw0KGgo=");
+
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+
+    Assert.equal(
+      tab._zenPinnedInitialState.entry.url,
+      "https://example.org/typo",
+      "A mistyped scheme (htps://) should be auto-fixed to https://"
+    );
+  } finally {
+    restorePrompt();
+    favicons.restore();
+    await BrowserTestUtils.removeTab(tab);
+  }
+});
+
+add_task(async function test_EditPinnedUrl_AddsMissingScheme() {
+  const tab = await pinTab("https://example.com/1");
+  const restorePrompt = mockPrompt("example.org/no-scheme");
+  const favicons = mockFavicons("data:image/png;base64,iVBORw0KGgo=");
+
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+
+    const stored = tab._zenPinnedInitialState.entry.url;
+    ok(
+      /^https?:\/\//.test(stored),
+      `A scheme should be prepended when omitted (got "${stored}")`
+    );
+    ok(
+      stored.endsWith("example.org/no-scheme"),
+      `Host and path should be preserved (got "${stored}")`
+    );
+  } finally {
+    restorePrompt();
+    favicons.restore();
+    await BrowserTestUtils.removeTab(tab);
+  }
+});
+
+add_task(async function test_EditPinnedUrl_PrefillsWithStoredUrl() {
+  const tab = await pinTab("https://example.com/1");
+  // The stored pinned URL differs from the live browser URL (e.g. it was pinned
+  // as http but the server redirected the tab to https).
+  tab._zenPinnedInitialState = {
+    entry: { url: "http://example.com/pinned" },
+    image: "",
+  };
+
+  let prefilled;
+  const originalPrompt = Services.prompt;
+  Services.prompt = {
+    QueryInterface: ChromeUtils.generateQI([Ci.nsIPromptService]),
+    prompt(win, title, label, result) {
+      prefilled = result.value;
+      return false; // cancel, we only care about the prefilled value
+    },
+  };
+
+  try {
+    await gZenPinnedTabManager.editPinnedUrl(tab);
+
+    Assert.equal(
+      prefilled,
+      "http://example.com/pinned",
+      "The edit dialog should prefill with the stored pinned URL, not the live browser URL"
+    );
+  } finally {
+    Services.prompt = originalPrompt;
+    await BrowserTestUtils.removeTab(tab);
+  }
+});

surfer.json

@@ -5,8 +5,8 @@
   "binaryName": "zen",
   "version": {
     "product": "firefox",
-    "version": "152.0",
+    "version": "152.0.2",
-    "candidate": "152.0",
+    "candidate": "152.0.2",
     "candidateBuild": 1
   },
   "buildOptions": {
@@ -20,7 +20,7 @@
       "brandShortName": "Zen",
       "brandFullName": "Zen Browser",
       "release": {
-        "displayVersion": "1.21.2b",
+        "displayVersion": "1.21.4b",
         "github": {
           "repo": "zen-browser/desktop"
         },