From 4eba1e3f4f725abbb5ec310a635cb75e2b6993d6 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <359867+desrosj@users.noreply.github.com>
Date: Tue, 24 Feb 2026 20:52:55 -0500
Subject: [PATCH 1/5] Remove `clean:interactivity-assets`.

These assets are now managed as a script module instead.
---
 Gruntfile.js | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/Gruntfile.js b/Gruntfile.js
index 81da2faae228f..e55b81f7ece5b 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -233,10 +233,6 @@ module.exports = function(grunt) {
 			'webpack-assets': webpackFiles.map( function( file ) {
 				return setFilePath( WORKING_DIR, file );
 			} ),
-			'interactivity-assets': [
-				WORKING_DIR + 'wp-includes/js/dist/interactivity.asset.php',
-				WORKING_DIR + 'wp-includes/js/dist/interactivity.min.asset.php',
-			],
 			dynamic: {
 				dot: true,
 				expand: true,
@@ -1708,7 +1704,6 @@ module.exports = function(grunt) {
 		'clean:webpack-assets',
 		'webpack:prod',
 		'webpack:dev',
-		'clean:interactivity-assets',
 	] );
 
 	grunt.registerTask( 'build:js', [

From bc9b9853363f8dd5b0d03e0c3e7d4cae5c30c0d5 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <359867+desrosj@users.noreply.github.com>
Date: Tue, 24 Feb 2026 20:59:07 -0500
Subject: [PATCH 2/5] Block JS files are now not in `wp-includes/blocks`

---
 Gruntfile.js | 2 --
 1 file changed, 2 deletions(-)

diff --git a/Gruntfile.js b/Gruntfile.js
index e55b81f7ece5b..c3c274241b911 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -45,8 +45,6 @@ module.exports = function(grunt) {
 		jsFiles = [
 			'wp-admin/js/',
 			'wp-includes/js/',
-			'wp-includes/blocks/**/*.js',
-			'wp-includes/blocks/**/*.js.map',
 		],
 
 		// All files built by Webpack, in /src or /build.

From 65bdb6097d39846adb25e85524674d9cc5f5df47 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <359867+desrosj@users.noreply.github.com>
Date: Tue, 24 Feb 2026 20:59:26 -0500
Subject: [PATCH 3/5] Update the list of files built by Webpack.

---
 Gruntfile.js | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/Gruntfile.js b/Gruntfile.js
index c3c274241b911..729bc3faf06b9 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -48,12 +48,12 @@ module.exports = function(grunt) {
 		],
 
 		// All files built by Webpack, in /src or /build.
+		// Webpack now only builds Core-specific media files and development scripts.
+		// Blocks, packages, script modules, and vendors come from the Gutenberg build.
 		webpackFiles = [
-			'wp-includes/assets/*',
-			'wp-includes/css/dist',
-			'wp-includes/blocks/**/*.css',
-			'!wp-includes/assets/script-loader-packages.min.php',
-			'!wp-includes/assets/script-modules-packages.min.php',
+			'wp-includes/js/media-*.js',
+			'wp-includes/js/media-*.min.js',
+			'wp-includes/js/dist/development',
 		],
 
 		// All workflow files that should be deleted from non-default branches.
@@ -228,6 +228,8 @@ module.exports = function(grunt) {
 			js: jsFiles.map( function( file ) {
 				return setFilePath( WORKING_DIR, file );
 			} ),
+
+			// Clean files built by Webpack.
 			'webpack-assets': webpackFiles.map( function( file ) {
 				return setFilePath( WORKING_DIR, file );
 			} ),

From 91a598db8e6561ef6e47ef6f5833fea92ec65b93 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <359867+desrosj@users.noreply.github.com>
Date: Tue, 24 Feb 2026 21:00:21 -0500
Subject: [PATCH 4/5] Add a list of files copied by `tools/gutenberg/*`

---
 Gruntfile.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Gruntfile.js b/Gruntfile.js
index 729bc3faf06b9..9ce2743cf3222 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -47,6 +47,19 @@ module.exports = function(grunt) {
 			'wp-includes/js/',
 		],
 
+		// All files copied from the Gutenberg repository.
+		gutenbergFiles = [
+			'wp-includes/assets',
+			'wp-includes/build',
+			// This is redundant given the next line, but included for clarity.
+			'wp-includes/script-modules',
+			'wp-includes/js/dist',
+			'wp-includes/css/dist',
+			'wp-includes/blocks',
+			'!wp-includes/blocks/index.php',
+			'wp-includes/icons',
+		],
+
 		// All files built by Webpack, in /src or /build.
 		// Webpack now only builds Core-specific media files and development scripts.
 		// Blocks, packages, script modules, and vendors come from the Gutenberg build.
@@ -233,6 +246,11 @@ module.exports = function(grunt) {
 			'webpack-assets': webpackFiles.map( function( file ) {
 				return setFilePath( WORKING_DIR, file );
 			} ),
+
+			// Clean files built by the tools/gutenberg scripts.
+			gutenberg: gutenbergFiles.map( function( file ) {
+				return setFilePath( WORKING_DIR, file );
+			}),
 			dynamic: {
 				dot: true,
 				expand: true,

From 14b393d66e686e77fec79a956d2cb241b32308de Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <359867+desrosj@users.noreply.github.com>
Date: Tue, 24 Feb 2026 21:24:15 -0500
Subject: [PATCH 5/5] Use the correct globbing pattern to allow negation

---
 Gruntfile.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Gruntfile.js b/Gruntfile.js
index 9ce2743cf3222..84343d7c7331b 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -55,7 +55,7 @@ module.exports = function(grunt) {
 			'wp-includes/script-modules',
 			'wp-includes/js/dist',
 			'wp-includes/css/dist',
-			'wp-includes/blocks',
+			'wp-includes/blocks/**/*',
 			'!wp-includes/blocks/index.php',
 			'wp-includes/icons',
 		],