diff -u b/zircon.theme b/zircon.theme
--- b/zircon.theme
+++ b/zircon.theme
@@ -53 +53 @@
-}
\ No newline at end of file
+}
only in patch2:
unchanged:
--- a/zircon.info.yml
+++ b/zircon.info.yml
@@ -4,7 +4,7 @@ base theme: classy
 description: 'A flexible, recolorable theme with many regions and a responsive, mobile-first layout with Drupal 9 support.'
 package: Core
 core: 8.x
-core_version_requirement: ^8 || ^9
+core_version_requirement: ^8 || ^9 || ^10
 
 libraries:
   - zircon/global-styling
only in patch2:
unchanged:
--- a/zircon.libraries.yml
+++ b/zircon.libraries.yml
@@ -31,7 +31,7 @@ global-styling:
     - core/drupal.ajax
     - core/drupal
     - core/drupalSettings
-    - core/jquery.once
+    - core/once
 
 skins-menu:
   version: 1.x
@@ -42,4 +42,4 @@ skins-menu:
   dependencies:
     - core/jquery
     - core/drupal
-    - core/drupalSettings
\ No newline at end of file
+    - core/drupalSettings