craftcms · brandonkelly · Jun 27, 2026 · Jun 26, 2026 · Jun 26, 2026 · Jun 26, 2026
diff --git a/.gitattributes b/.gitattributes
@@ -27,6 +27,8 @@
 /package.json export-ignore
 /packages/ export-ignore
 /phpstan.neon export-ignore
+/resources/css/ export-ignore
+/resources/js/ export-ignore
 /scripts/ export-ignore
 /src/web/assets/**/src/ export-ignore
 /stubs/ export-ignore
@@ -60,8 +62,8 @@
 /src/web/assets/**/dist/**/*.min.js linguist-generated=true
 /src/web/assets/**/dist/**/*.min.js.map linguist-generated=true
 
-# resources/build generated files
-/resources/build/**/* linguist-generated=true
+# Built CMS assets generated files
+/cms-assets/resources/**/* linguist-generated=true
 
 # Auto detect text files and perform LF normalization
 * text=auto
diff --git a/.github/workflows/build-artifacts.yml b/.github/workflows/build-artifacts.yml
diff --git a/.github/workflows/sync-cms-assets.yml b/.github/workflows/sync-cms-assets.yml
@@ -0,0 +1,75 @@
+name: Sync CMS Assets
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 6.x
+      - feature/cms-assets-package
+    tags:
+      - '*'
+
+permissions:
+  contents: read
+
+jobs:
+  sync:
+    name: Sync CMS assets
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.5'
+          tools: composer:v2
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: 'npm'
+
+      - name: Install Composer dependencies
+        uses: ramsey/composer-install@v3
+
+      - name: Install npm dependencies
+        run: npm ci
+
+      - name: Build assets
+        run: |
+          rm -rf cms-assets/resources
+          npm run build:all
+
+          test -f cms-assets/resources/build/manifest.json || { echo "::error::Missing cms-assets/resources/build/manifest.json"; exit 1; }
+          test -f cms-assets/resources/legacy/cp/dist/cp.js || { echo "::error::Missing cms-assets/resources/legacy/cp/dist/cp.js"; exit 1; }
+          test -f cms-assets/resources/legacy/cp/dist/css/cp.css || { echo "::error::Missing cms-assets/resources/legacy/cp/dist/css/cp.css"; exit 1; }
+
+      - name: Monorepo Split
+        if: "!startsWith(github.ref, 'refs/tags/')"
+        uses: danharrin/monorepo-split-github-action@v2.3.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_ACCESS_TOKEN }}
+        with:
+          package_directory: 'cms-assets'
+          repository_organization: 'craftcms'
+          repository_name: 'cms-assets'
+          branch: ${{ github.head_ref || github.ref_name }}
+          user_name: 'shinybrad'
+          user_email: 'shinybrad@pixelandtonic.com'
+
+      - name: Monorepo Split
+        if: "startsWith(github.ref, 'refs/tags/')"
+        uses: danharrin/monorepo-split-github-action@v2.3.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_ACCESS_TOKEN }}
+        with:
+          tag: ${{ github.ref_name }}
+          package_directory: 'cms-assets'
+          repository_organization: 'craftcms'
+          repository_name: 'cms-assets'
+          branch: '6.x'
+          user_name: 'shinybrad'
+          user_email: 'shinybrad@pixelandtonic.com'
diff --git a/.gitignore b/.gitignore
@@ -31,3 +31,6 @@ resources/js/wayfinder
 # TypeScript transformer generated files
 resources/js/generated/*
 !resources/js/generated/.gitkeep
+
+# Built CMS assets
+cms-assets/resources/
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,6 +5,7 @@
 - It’s now possible to load Blade views within Twig templates. ([#19148](https://github.com/craftcms/cms/pull/19148))
 - Craft now registers several Blade directives, bringing near feature parity with Twig templating. ([#19148](https://github.com/craftcms/cms/pull/19148))
 - Added SQLite database support. ([#19149](https://github.com/craftcms/cms/pull/19149))
+- Control panel resources are now provided by a `craftcms/cms-assets` package. ([#19162](https://github.com/craftcms/cms/pull/19162))
 - Renamed `CraftCms\Cms\Twig\PageLifecycle` to `CraftCms\Cms\View\PageLifecycle`. ([#19148](https://github.com/craftcms/cms/pull/19148))
 - Renamed `CraftCms\Cms\Twig\TemplateResolver` to `CraftCms\Cms\View\TemplateResolver`. ([#19148](https://github.com/craftcms/cms/pull/19148))
 - Fixed a bug where anonymous homepage and fallback site-template requests could bypass offline-site access enforcement. ([#19151](https://github.com/craftcms/cms/pull/19151))

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -80,7 +80,7 @@ If getting into the weeds is your thing, more detail on these pieces is provided
 
 ### Control Panel Assets
 
-The assets specific to the control panel live in the `resources` folder. Those are built using a fairly typical Vite setup. To develop assets for the control panel, there are two commands:
+The source files specific to the control panel live in the `resources` folder. Production builds are written to the local `cms-assets` package so they can be published through `craftcms/cms-assets`. To develop assets for the control panel, there are two commands:
 ```shell
 # Run the Vite development server
 npm run dev

diff --git a/cms-assets/.gitattributes b/cms-assets/.gitattributes
@@ -0,0 +1 @@
+/resources/**/* linguist-generated=true
diff --git a/cms-assets/composer.json b/cms-assets/composer.json
@@ -0,0 +1,6 @@
+{
+  "name": "craftcms/cms-assets",
+  "description": "Built assets for Craft CMS.",
+  "license": "proprietary",
+  "type": "library"
+}
diff --git a/composer.json b/composer.json
@@ -37,6 +37,7 @@
     "bacon/bacon-qr-code": "^3.0",
     "commerceguys/addressing": "^2.1.1",
     "composer/semver": "^3.3.2",
+    "craftcms/cms-assets": "self.version",
     "craftcms/laravel-aliases": "^2.0",
     "craftcms/laravel-dependency-aware-cache": "^1.2.3",
     "craftcms/laravel-ruleset-validation": "^1.1",
@@ -95,6 +96,10 @@
     {
       "type": "path",
       "url": "./yii2-adapter"
+    },
+    {
+      "type": "path",
+      "url": "./cms-assets"
     }
   ],
   "suggest": {

diff --git a/composer.lock b/composer.lock
diff --git a/packages/craftcms-legacy/admintable/webpack.config.js b/packages/craftcms-legacy/admintable/webpack.config.js
@@ -10,7 +10,7 @@ module.exports = getConfig({
     output: {
       filename: 'js/app.js',
       chunkFilename: 'js/[name].js',
-      path: __dirname + '/../../../resources/legacy/admintable/dist',
+      path: __dirname + '/../../../cms-assets/resources/legacy/admintable/dist',
     },
   },
 });
diff --git a/packages/craftcms-legacy/animationblocker/webpack.config.js b/packages/craftcms-legacy/animationblocker/webpack.config.js
@@ -13,7 +13,9 @@ module.exports = getConfig({
         name: 'Craft',
         type: 'assign-properties',
       },
-      path: __dirname + '/../../../resources/legacy/animationblocker/dist',
+      path:
+        __dirname +
+        '/../../../cms-assets/resources/legacy/animationblocker/dist',
     },
   },
 });
diff --git a/packages/craftcms-legacy/authmethodsetup/webpack.config.js b/packages/craftcms-legacy/authmethodsetup/webpack.config.js
@@ -7,7 +7,9 @@ module.exports = getConfig({
   config: {
     entry: {auth: './auth.js'},
     output: {
-      path: __dirname + '/../../../resources/legacy/authmethodsetup/dist',
-    }
+      path:
+        __dirname +
+        '/../../../cms-assets/resources/legacy/authmethodsetup/dist',
+    },
   },
 });
diff --git a/packages/craftcms-legacy/axios/webpack.config.js b/packages/craftcms-legacy/axios/webpack.config.js
@@ -5,12 +5,11 @@ const CopyWebpackPlugin = require('copy-webpack-plugin');
 const pkgDir = require('pkg-dir');
 const path = require('path');
 
-
 module.exports = getConfig({
   context: __dirname,
   config: {
     output: {
-      path: __dirname + '/../../../resources/legacy/axios/dist',
+      path: __dirname + '/../../../cms-assets/resources/legacy/axios/dist',
     },
     plugins: [
       new CopyWebpackPlugin({

diff --git a/packages/craftcms-legacy/codemirror/webpack.config.js b/packages/craftcms-legacy/codemirror/webpack.config.js
@@ -9,7 +9,7 @@ module.exports = getConfig({
   context: __dirname,
   config: {
     output: {
-      path: __dirname + '/../../../resources/legacy/codemirror/dist',
+      path: __dirname + '/../../../cms-assets/resources/legacy/codemirror/dist',
     },
     plugins: [
       new CopyWebpackPlugin({

diff --git a/packages/craftcms-legacy/conditionbuilder/webpack.config.js b/packages/craftcms-legacy/conditionbuilder/webpack.config.js
@@ -9,7 +9,9 @@ module.exports = getConfig({
       ConditionBuilder: './ConditionBuilder.js',
     },
     output: {
-      path: __dirname + '/../../../resources/legacy/conditionbuilder/dist',
+      path:
+        __dirname +
+        '/../../../cms-assets/resources/legacy/conditionbuilder/dist',
     },
   },
 });
diff --git a/packages/craftcms-legacy/cp/webpack.config.js b/packages/craftcms-legacy/cp/webpack.config.js
@@ -11,7 +11,7 @@ module.exports = getConfig({
       cp: './Craft.js',
     },
     output: {
-      path: __dirname + '/../../../resources/legacy/cp/dist',
+      path: __dirname + '/../../../cms-assets/resources/legacy/cp/dist',
     },
     plugins: [
       new Ttf2Woff2Plugin(),

diff --git a/packages/craftcms-legacy/craftsupport/webpack.config.js b/packages/craftcms-legacy/craftsupport/webpack.config.js
@@ -10,7 +10,8 @@ module.exports = getConfig({
       CraftSupportWidget: './CraftSupportWidget.js',
     },
     output: {
-      path: __dirname + '/../../../resources/legacy/craftsupport/dist',
+      path:
+        __dirname + '/../../../cms-assets/resources/legacy/craftsupport/dist',
     },
     plugins: [
       new CopyWebpackPlugin({

diff --git a/packages/craftcms-legacy/d3/webpack.config.js b/packages/craftcms-legacy/d3/webpack.config.js
@@ -9,7 +9,7 @@ module.exports = getConfig({
   context: __dirname,
   config: {
     output: {
-      path: __dirname + '/../../../resources/legacy/d3/dist',
+      path: __dirname + '/../../../cms-assets/resources/legacy/d3/dist',
     },
     plugins: [
       new CopyWebpackPlugin({

diff --git a/packages/craftcms-legacy/dashboard/webpack.config.js b/packages/craftcms-legacy/dashboard/webpack.config.js
@@ -9,7 +9,7 @@ module.exports = getConfig({
       Dashboard: './Dashboard.js',
     },
     output: {
-      path: __dirname + '/../../../resources/legacy/dashboard/dist',
+      path: __dirname + '/../../../cms-assets/resources/legacy/dashboard/dist',
     },
   },
 });
diff --git a/packages/craftcms-legacy/datepickeri18n/webpack.config.js b/packages/craftcms-legacy/datepickeri18n/webpack.config.js
@@ -9,7 +9,8 @@ module.exports = getConfig({
   context: __dirname,
   config: {
     output: {
-      path: __dirname + '/../../../resources/legacy/datepickeri18n/dist',
+      path:
+        __dirname + '/../../../cms-assets/resources/legacy/datepickeri18n/dist',
     },
     plugins: [
       new CopyWebpackPlugin({

diff --git a/packages/craftcms-legacy/dbbackup/webpack.config.js b/packages/craftcms-legacy/dbbackup/webpack.config.js
@@ -7,7 +7,7 @@ module.exports = getConfig({
   config: {
     entry: {DbBackupUtility: './DbBackupUtility.js'},
     output: {
-      path: __dirname + '/../../../resources/legacy/dbbackup/dist',
+      path: __dirname + '/../../../cms-assets/resources/legacy/dbbackup/dist',
     },
   },
 });
diff --git a/packages/craftcms-legacy/deprecationerrors/webpack.config.js b/packages/craftcms-legacy/deprecationerrors/webpack.config.js
@@ -7,7 +7,9 @@ module.exports = getConfig({
   config: {
     entry: {deprecator: './deprecator.js'},
     output: {
-      path: __dirname + '/../../../resources/legacy/deprecationerrors/dist',
+      path:
+        __dirname +
+        '/../../../cms-assets/resources/legacy/deprecationerrors/dist',
     },
   },
 });
diff --git a/packages/craftcms-legacy/editsection/webpack.config.js b/packages/craftcms-legacy/editsection/webpack.config.js
@@ -7,7 +7,8 @@ module.exports = getConfig({
   config: {
     entry: {editsection: './editsection.js'},
     output: {
-      path: __dirname + '/../../../resources/legacy/editsection/dist',
+      path:
+        __dirname + '/../../../cms-assets/resources/legacy/editsection/dist',
     },
   },
 });
diff --git a/packages/craftcms-legacy/edittransform/webpack.config.js b/packages/craftcms-legacy/edittransform/webpack.config.js
@@ -7,7 +7,8 @@ module.exports = getConfig({
   config: {
     entry: {transforms: './transforms.js'},
     output: {
-      path: __dirname + '/../../../resources/legacy/edittransform/dist',
+      path:
+        __dirname + '/../../../cms-assets/resources/legacy/edittransform/dist',
     },
   },
 });