From b3467c0ff2de1c0342895bfcd1b2240bf65a84a1 Mon Sep 17 00:00:00 2001
From: "mr. m" <91018726+mr-cheffy@users.noreply.github.com>
Date: Mon, 21 Sep 2026 01:43:48 +0200
Subject: [PATCH] gh-15494: Fixed library media tab freezing (gh-15495)

---
 src/zen/common/zenThemeModifier.js          | 2 +-
 src/zen/library/ZenLibraryFileTypes.sys.mjs | 6 +++++-
 src/zen/spaces/ZenSpaceManager.mjs          | 2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/zen/common/zenThemeModifier.js b/src/zen/common/zenThemeModifier.js
index c7e01aaaa..605997b92 100644
--- a/src/zen/common/zenThemeModifier.js
+++ b/src/zen/common/zenThemeModifier.js
@@ -110,7 +110,7 @@
           const targetRadius = window.matchMedia("(-moz-mac-tahoe-theme)")
             .matches
             ? 11
-            : 10;
+            : 9;
           document.documentElement.style.setProperty(
             "--zen-border-radius",
             targetRadius + "px"
diff --git a/src/zen/library/ZenLibraryFileTypes.sys.mjs b/src/zen/library/ZenLibraryFileTypes.sys.mjs
index 0ee7d9eb7..49b0bf15c 100644
--- a/src/zen/library/ZenLibraryFileTypes.sys.mjs
+++ b/src/zen/library/ZenLibraryFileTypes.sys.mjs
@@ -70,7 +70,11 @@ export function contentTypeOf(fileName) {
   if (!extension) {
     return "";
   }
-  return lazy.mimeService.getTypeFromExtension(extension);
+  try {
+    return lazy.mimeService.getTypeFromExtension(extension);
+  } catch {
+    return "";
+  }
 }
 
 /**
diff --git a/src/zen/spaces/ZenSpaceManager.mjs b/src/zen/spaces/ZenSpaceManager.mjs
index 5a77f7254..889947301 100644
--- a/src/zen/spaces/ZenSpaceManager.mjs
+++ b/src/zen/spaces/ZenSpaceManager.mjs
@@ -3314,7 +3314,7 @@ class nsZenWorkspaces {
       parent.removeAttribute("icons-overflow");
       return;
     }
-    const maxButtonSize = 32; // IMPORTANT: This should match the CSS size of the icons
+    const maxButtonSize = AppConstants.platform == "macosx" ? 34 : 32; // IMPORTANT: This should match the CSS size of the icons
     const minButtonSize = maxButtonSize / 2; // Minimum size for icons when space is limited
     const separation = 3; // Space between icons