diff --git a/src/browser/base/content/zen-components b/src/browser/base/content/zen-components
index 893eead71..ed7ce7c8d 160000
--- a/src/browser/base/content/zen-components
+++ b/src/browser/base/content/zen-components
@@ -1 +1 @@
-Subproject commit 893eead7181a8f84b7defe32f1a1d19d71094f79
+Subproject commit ed7ce7c8d34b4d89f894ce069fa37e789f571ecf
diff --git a/src/browser/base/content/zen-glance.inc.xhtml b/src/browser/base/content/zen-glance.inc.xhtml
index 1d36c7de6..cbb78be24 100644
--- a/src/browser/base/content/zen-glance.inc.xhtml
+++ b/src/browser/base/content/zen-glance.inc.xhtml
@@ -9,4 +9,5 @@
       </vbox>
     </vbox>
   </hbox>
+  <hbox id="zen-glance-tabs" hidden="true"></hbox>
 </hbox>
\ No newline at end of file
diff --git a/src/browser/base/content/zen-styles/zen-animations.css b/src/browser/base/content/zen-styles/zen-animations.css
index 354fb483c..f7e64157b 100644
--- a/src/browser/base/content/zen-styles/zen-animations.css
+++ b/src/browser/base/content/zen-styles/zen-animations.css
@@ -279,20 +279,10 @@
     opacity: 1;
   }
 
-  96% {
+  80% {
     opacity: 1;
   }
 
-  98% {
-    /* make the box grow to full width/height */
-    opacity: 1;
-    transform: translateX(-50%);
-    top: -5px;
-    left: 50%;
-    width: 77%;
-    height: 102%;
-  }
-
   100% {
     transform: translateX(-50%);
     opacity: 1;
diff --git a/src/browser/base/content/zen-styles/zen-glance.css b/src/browser/base/content/zen-styles/zen-glance.css
index 43186e097..ebb52b0ae 100644
--- a/src/browser/base/content/zen-styles/zen-glance.css
+++ b/src/browser/base/content/zen-styles/zen-glance.css
@@ -7,7 +7,7 @@
   top: 0;
   left: 0;
   z-index: 3;
-  background: color-mix(in srgb, var(--zen-colors-tertiary) 10%, transparent 90%);
+  background: color-mix(in srgb, var(--zen-colors-tertiary) 20%, transparent 80%);
   backdrop-filter: blur(2px);
   animation: zen-glance-overlay-animation 0.1s ease-in-out forwards;
   border-radius: var(--zen-border-radius);
@@ -45,6 +45,7 @@
   }
 
   & #zen-glance-content {
+    z-index: 1;
     width: 100%;
     height: 100%;
     display: flex;
diff --git a/src/browser/components/tabbrowser/content/tabbrowser-js.patch b/src/browser/components/tabbrowser/content/tabbrowser-js.patch
index 562c78fca..6a1a00be8 100644
--- a/src/browser/components/tabbrowser/content/tabbrowser-js.patch
+++ b/src/browser/components/tabbrowser/content/tabbrowser-js.patch
@@ -1,5 +1,5 @@
 diff --git a/browser/components/tabbrowser/content/tabbrowser.js b/browser/components/tabbrowser/content/tabbrowser.js
-index c89ae2cbb978d6218bd56a059c5ca1e371231607..58c05bd5c935f73e154e84f66b39f58e5741caf6 100644
+index c89ae2cbb978d6218bd56a059c5ca1e371231607..15cc611a9b08227abcf2e0137ed9e82a90704a89 100644
 --- a/browser/components/tabbrowser/content/tabbrowser.js
 +++ b/browser/components/tabbrowser/content/tabbrowser.js
 @@ -456,11 +456,26 @@
@@ -39,6 +39,15 @@ index c89ae2cbb978d6218bd56a059c5ca1e371231607..58c05bd5c935f73e154e84f66b39f58e
          oldTab.updateLastAccessed();
          // if this is the foreground window, update the last-seen timestamps.
          if (this.ownerGlobal == BrowserWindowTracker.getTopWindow()) {
+@@ -2485,7 +2501,7 @@
+       // hasSiblings=false on both the existing browser and the new browser.
+       if (this.tabs.length == 2) {
+         this.tabs[0].linkedBrowser.browsingContext.hasSiblings = true;
+-        this.tabs[1].linkedBrowser.browsingContext.hasSiblings = true;
++        if (this.tabs[1].linkedBrowser.browsingContext) this.tabs[1].linkedBrowser.browsingContext.hasSiblings = true;
+       } else {
+         aTab.linkedBrowser.browsingContext.hasSiblings = this.tabs.length > 1;
+       }
 @@ -2705,6 +2721,11 @@
          );
        }