diff --git a/.gluon/patchCount b/.gluon/patchCount
index b74e882ae..597975b41 100644
--- a/.gluon/patchCount
+++ b/.gluon/patchCount
@@ -1 +1 @@
-31
\ No newline at end of file
+35
\ No newline at end of file
diff --git a/src/browser/components/aboutwelcome/actors/AboutWelcomeParent-sys-mjs.patch b/src/browser/components/aboutwelcome/actors/AboutWelcomeParent-sys-mjs.patch
new file mode 100644
index 000000000..7e6f6b5db
--- /dev/null
+++ b/src/browser/components/aboutwelcome/actors/AboutWelcomeParent-sys-mjs.patch
@@ -0,0 +1,17 @@
+diff --git a/browser/components/aboutwelcome/actors/AboutWelcomeParent.sys.mjs b/browser/components/aboutwelcome/actors/AboutWelcomeParent.sys.mjs
+index 1eb77da0d8f9db02b3afad9d3cdd438cb6f58cd7..25806b026b4da05add168f2f0e556a877d772e1a 100644
+--- a/browser/components/aboutwelcome/actors/AboutWelcomeParent.sys.mjs
++++ b/browser/components/aboutwelcome/actors/AboutWelcomeParent.sys.mjs
+@@ -42,9 +42,9 @@ const AWTerminate = {
+ };
+ const LIGHT_WEIGHT_THEMES = {
+   AUTOMATIC: "default-theme@mozilla.org",
+-  DARK: "firefox-compact-dark@mozilla.org",
+-  LIGHT: "firefox-compact-light@mozilla.org",
+-  ALPENGLOW: "firefox-alpenglow@mozilla.org",
++  DARK: "zen-compact-dark@mozilla.org",
++  LIGHT: "zen-compact-light@mozilla.org",
++  ALPENGLOW: "zen-compact-universe@mozilla.org",
+ };
+ 
+ class AboutWelcomeObserver {
diff --git a/src/browser/locales/en-US/browser/appExtensionFields-ftl.patch b/src/browser/locales/en-US/browser/appExtensionFields-ftl.patch
new file mode 100644
index 000000000..f5aa15300
--- /dev/null
+++ b/src/browser/locales/en-US/browser/appExtensionFields-ftl.patch
@@ -0,0 +1,23 @@
+diff --git a/browser/locales/en-US/browser/appExtensionFields.ftl b/browser/locales/en-US/browser/appExtensionFields.ftl
+index 09d7a076eccd4235fac66156770d8b9ae01a7d16..a4937b9470fffc187eb521f45362703909ec09b9 100644
+--- a/browser/locales/en-US/browser/appExtensionFields.ftl
++++ b/browser/locales/en-US/browser/appExtensionFields.ftl
+@@ -8,14 +8,14 @@
+ extension-default-theme-name-auto=System theme — auto
+ extension-default-theme-description=Follow the operating system setting for buttons, menus, and windows.
+ 
+-extension-firefox-compact-light-name=Light
++extension-firefox-compact-light-name=Zen Light
+ extension-firefox-compact-light-description=A theme with a light color scheme.
+ 
+-extension-firefox-compact-dark-name=Dark
++extension-firefox-compact-dark-name=Zen Dark
+ extension-firefox-compact-dark-description=A theme with a dark color scheme.
+ 
+-extension-firefox-alpenglow-name=Firefox Alpenglow
+-extension-firefox-alpenglow-description=Use a colorful appearance for buttons, menus, and windows.
++extension-zen-compact-universe-name=Zen Universe
++extension-zen-compact-universe-description=Use a colorful appearance for buttons, menus, and windows.
+ 
+ ## Colorway Themes
+ ## These themes are variants of a colorway. The colorway is specified in the
diff --git a/src/browser/themes/BuiltInThemeConfig-sys-mjs.patch b/src/browser/themes/BuiltInThemeConfig-sys-mjs.patch
new file mode 100644
index 000000000..11673465e
--- /dev/null
+++ b/src/browser/themes/BuiltInThemeConfig-sys-mjs.patch
@@ -0,0 +1,27 @@
+diff --git a/browser/themes/BuiltInThemeConfig.sys.mjs b/browser/themes/BuiltInThemeConfig.sys.mjs
+index 7cfea4b705a1338b1eb5c4f255808aeac4bdb819..58bf9d46222f1032c71a1385109ca4734b777629 100644
+--- a/browser/themes/BuiltInThemeConfig.sys.mjs
++++ b/browser/themes/BuiltInThemeConfig.sys.mjs
+@@ -22,19 +22,19 @@ export const BuiltInThemeConfig = new Map([
+   [
+     "firefox-compact-light@mozilla.org",
+     {
+-      version: "1.2",
++      version: "1.3",
+       path: "resource://builtin-themes/light/",
+     },
+   ],
+   [
+     "firefox-compact-dark@mozilla.org",
+     {
+-      version: "1.2",
++      version: "1.3",
+       path: "resource://builtin-themes/dark/",
+     },
+   ],
+   [
+-    "firefox-alpenglow@mozilla.org",
++    "zen-compact-universe@mozilla.org",
+     {
+       version: "1.4",
+       path: "resource://builtin-themes/alpenglow/",
diff --git a/src/browser/themes/addons/alpenglow/manifest-json.patch b/src/browser/themes/addons/alpenglow/manifest-json.patch
index 6a54b796b..b08a3f71b 100644
--- a/src/browser/themes/addons/alpenglow/manifest-json.patch
+++ b/src/browser/themes/addons/alpenglow/manifest-json.patch
@@ -1,5 +1,5 @@
 diff --git a/browser/themes/addons/alpenglow/manifest.json b/browser/themes/addons/alpenglow/manifest.json
-index 05a25e13915edee3ba51ed1c1b5569faa70cd536..58c3a124156748ec07e828a7a3a969e523383e1d 100644
+index 05a25e13915edee3ba51ed1c1b5569faa70cd536..9f4e2274cfc82abc420ea543e360222305a37585 100644
 --- a/browser/themes/addons/alpenglow/manifest.json
 +++ b/browser/themes/addons/alpenglow/manifest.json
 @@ -3,137 +3,99 @@
@@ -7,7 +7,7 @@ index 05a25e13915edee3ba51ed1c1b5569faa70cd536..58c3a124156748ec07e828a7a3a969e5
    "browser_specific_settings": {
      "gecko": {
 -      "id": "firefox-alpenglow@mozilla.org"
-+      "id": "firefox-compact-light@mozilla.org"
++      "id": "zen-compact-universe@mozilla.org"
      }
    },
  
diff --git a/src/browser/tools/mozscreenshots/mozscreenshots/extension/configurations/LightweightThemes-sys-mjs.patch b/src/browser/tools/mozscreenshots/mozscreenshots/extension/configurations/LightweightThemes-sys-mjs.patch
new file mode 100644
index 000000000..cab472c7e
--- /dev/null
+++ b/src/browser/tools/mozscreenshots/mozscreenshots/extension/configurations/LightweightThemes-sys-mjs.patch
@@ -0,0 +1,13 @@
+diff --git a/browser/tools/mozscreenshots/mozscreenshots/extension/configurations/LightweightThemes.sys.mjs b/browser/tools/mozscreenshots/mozscreenshots/extension/configurations/LightweightThemes.sys.mjs
+index 91c3349ec737aa12518b596f1e6278eb27f0f5ec..15331c3d170acb1b12c7f4a9ac6134e497b31a96 100644
+--- a/browser/tools/mozscreenshots/mozscreenshots/extension/configurations/LightweightThemes.sys.mjs
++++ b/browser/tools/mozscreenshots/mozscreenshots/extension/configurations/LightweightThemes.sys.mjs
+@@ -42,7 +42,7 @@ export var LightweightThemes = {
+       selectors: [],
+       async applyConfig() {
+         let addon = await AddonManager.getAddonByID(
+-          "firefox-alpenglow@mozilla.org"
++          "zen-compact-universe@mozilla.org"
+         );
+         await addon.enable();
+       },