diff --git a/package-lock.json b/package-lock.json
index a2ee11c8383960..024fc6f3a306d3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -43127,6 +43127,15 @@
 			"integrity": "sha512-zksaLKM2fVlnB5jQQDqKXXwYHLQUVH9es+5TOOHwGOVJOCeRBCiPjwSg+3tN2AdTCzjgli4jijCH290kXb/zWQ==",
 			"license": "Apache-2.0"
 		},
+		"node_modules/wasm-vips": {
+			"version": "0.0.18",
+			"resolved": "https://registry.npmjs.org/wasm-vips/-/wasm-vips-0.0.18.tgz",
+			"integrity": "sha512-AJyCvxZj/3qceKNnh+YyEobu/IaJFoPN7x7SxyyHmYBS3kASMqJqxQEuN0ZHKQDWsCJ8armfx4Tq3uKrNc+nMA==",
+			"license": "MIT",
+			"engines": {
+				"node": ">=17.0.0"
+			}
+		},
 		"node_modules/watchpack": {
 			"version": "1.7.5",
 			"resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.7.5.tgz",
@@ -45243,6 +45252,7 @@
 				"@testing-library/jest-dom": "^6.9.1",
 				"@testing-library/react": "^16.3.2",
 				"@testing-library/user-event": "^14.6.1",
+				"@wordpress/integration-tests": "file:../../test/integration",
 				"@wordpress/stylelint-tools": "file:../../tools/stylelint",
 				"deep-freeze": "^0.0.1"
 			},
@@ -46979,6 +46989,7 @@
 				"@testing-library/dom": "^10.4.1",
 				"@testing-library/react": "^16.3.2",
 				"@testing-library/user-event": "^14.6.1",
+				"@wordpress/block-library": "file:../block-library",
 				"deep-freeze": "^0.0.1"
 			},
 			"engines": {
@@ -47586,6 +47597,7 @@
 			"version": "5.49.0",
 			"license": "GPL-2.0-or-later",
 			"devDependencies": {
+				"@wordpress/lazy-import": "file:../lazy-import",
 				"benchmark": "^2.1.4"
 			},
 			"engines": {
@@ -49494,15 +49506,6 @@
 				"npm": ">=8.19.2"
 			}
 		},
-		"packages/vips/node_modules/wasm-vips": {
-			"version": "0.0.18",
-			"resolved": "https://registry.npmjs.org/wasm-vips/-/wasm-vips-0.0.18.tgz",
-			"integrity": "sha512-AJyCvxZj/3qceKNnh+YyEobu/IaJFoPN7x7SxyyHmYBS3kASMqJqxQEuN0ZHKQDWsCJ8armfx4Tq3uKrNc+nMA==",
-			"license": "MIT",
-			"engines": {
-				"node": ">=17.0.0"
-			}
-		},
 		"packages/warning": {
 			"name": "@wordpress/warning",
 			"version": "3.49.0",
@@ -50200,6 +50203,7 @@
 				"@y/websocket-server": "^0.1.1",
 				"esbuild": "^0.27.2",
 				"filenamify": "^4.2.0",
+				"wasm-vips": "^0.0.18",
 				"ws": "^8.18.3",
 				"y-websocket": "^3.0.0"
 			}
@@ -50255,7 +50259,8 @@
 				"@playwright/test": "^1.61.1",
 				"@types/node": "^20.19.39",
 				"@wordpress/e2e-test-utils-playwright": "file:../../packages/e2e-test-utils-playwright",
-				"@wordpress/scripts": "file:../../packages/scripts"
+				"@wordpress/scripts": "file:../../packages/scripts",
+				"wasm-vips": "^0.0.18"
 			}
 		},
 		"test/storybook-playwright": {
diff --git a/packages/block-editor/package.json b/packages/block-editor/package.json
index 76bdd71295ebb3..561ce97aca6f2c 100644
--- a/packages/block-editor/package.json
+++ b/packages/block-editor/package.json
@@ -39,7 +39,7 @@
 			"require": "./build/index.cjs"
 		},
 		"./package.json": "./package.json",
-		"./build-style/": "./build-style/"
+		"./build-style/*": "./build-style/*"
 	},
 	"wpScript": true,
 	"wpScriptModuleExports": {
diff --git a/packages/block-editor/src/components/block-patterns-list/stories/index.story.jsx b/packages/block-editor/src/components/block-patterns-list/stories/index.story.jsx
index d30b99241966eb..39860ce17f2929 100644
--- a/packages/block-editor/src/components/block-patterns-list/stories/index.story.jsx
+++ b/packages/block-editor/src/components/block-patterns-list/stories/index.story.jsx
@@ -11,7 +11,7 @@ import { ExperimentalBlockEditorProvider } from '../../provider';
 import patterns from './fixtures';
 // Reason: Styles are contained in ExperimentalBlockEditorProvider iframe.
 // eslint-disable-next-line @wordpress/no-non-module-stylesheet-imports
-import blockLibraryStyles from '../../../../../block-library/build-style/style.css?raw';
+import blockLibraryStyles from '@wordpress/block-library/build-style/style.css?raw';
 
 const blockEditorSettings = {
 	styles: [ { css: blockLibraryStyles } ],
diff --git a/packages/block-library/package.json b/packages/block-library/package.json
index 9cbcbc1709ddaa..5100ca90fbfbee 100644
--- a/packages/block-library/package.json
+++ b/packages/block-library/package.json
@@ -145,6 +145,7 @@
 		"@testing-library/jest-dom": "^6.9.1",
 		"@testing-library/react": "^16.3.2",
 		"@testing-library/user-event": "^14.6.1",
+		"@wordpress/integration-tests": "file:../../test/integration",
 		"@wordpress/stylelint-tools": "file:../../tools/stylelint",
 		"deep-freeze": "^0.0.1"
 	},
diff --git a/packages/block-library/src/cover/test/edit.js b/packages/block-library/src/cover/test/edit.js
index 3b1dde597adf6f..fbd7769b726835 100644
--- a/packages/block-library/src/cover/test/edit.js
+++ b/packages/block-library/src/cover/test/edit.js
@@ -10,7 +10,7 @@ import userEvent from '@testing-library/user-event';
 import {
 	initializeEditor,
 	selectBlock,
-} from 'test/integration/helpers/integration-test-editor';
+} from '@wordpress/integration-tests/helpers/integration-test-editor';
 
 const defaultSettings = {
 	__experimentalFeatures: {
diff --git a/packages/block-serialization-spec-parser/package.json b/packages/block-serialization-spec-parser/package.json
index a98564691fe5af..140baf94859a57 100644
--- a/packages/block-serialization-spec-parser/package.json
+++ b/packages/block-serialization-spec-parser/package.json
@@ -40,6 +40,7 @@
 		"access": "public"
 	},
 	"scripts": {
+		"prelint:js": "npm run build:js",
 		"build": "concurrently \"npm run build:js\" \"npm run build:php\"",
 		"build:js": "pegjs --format commonjs -o ./parser.js ./grammar.pegjs",
 		"build:php": "node bin/create-php-parser.js"
diff --git a/packages/components/src/context/stories/ComponentsProvider.stories.jsx b/packages/components/src/context/stories/ComponentsProvider.stories.jsx
index 84c2aa30868603..91ac61cdd8e0dd 100644
--- a/packages/components/src/context/stories/ComponentsProvider.stories.jsx
+++ b/packages/components/src/context/stories/ComponentsProvider.stories.jsx
@@ -6,9 +6,9 @@ import { createContext, useContext, memo, useState } from '@wordpress/element';
 /**
  * Internal dependencies
  */
-import { Card, CardBody } from '../../../card';
-import { View } from '../../../view';
-import { Text } from '../../../text';
+import { Card, CardBody } from '../../card';
+import { View } from '../../view';
+import { Text } from '../../text';
 import { ContextSystemProvider } from '../index';
 
 const SomeContext = createContext();
diff --git a/packages/editor/package.json b/packages/editor/package.json
index 2882230a163366..aff3f31836152d 100644
--- a/packages/editor/package.json
+++ b/packages/editor/package.json
@@ -121,6 +121,7 @@
 		"@testing-library/dom": "^10.4.1",
 		"@testing-library/react": "^16.3.2",
 		"@testing-library/user-event": "^14.6.1",
+		"@wordpress/block-library": "file:../block-library",
 		"deep-freeze": "^0.0.1"
 	},
 	"peerDependencies": {
diff --git a/packages/editor/src/components/post-revisions-preview/test/block-diff.js b/packages/editor/src/components/post-revisions-preview/test/block-diff.js
index 71f9a4683b02b0..f3c0677b955d5b 100644
--- a/packages/editor/src/components/post-revisions-preview/test/block-diff.js
+++ b/packages/editor/src/components/post-revisions-preview/test/block-diff.js
@@ -9,8 +9,8 @@ import {
 	serialize,
 } from '@wordpress/blocks';
 import { RichTextData } from '@wordpress/rich-text';
-import * as paragraphBlock from '@wordpress/block-library/src/paragraph';
-import * as groupBlock from '@wordpress/block-library/src/group';
+import * as paragraphBlock from '@wordpress/block-library/build-module/paragraph/index.mjs';
+import * as groupBlock from '@wordpress/block-library/build-module/group/index.mjs';
 
 /**
  * Internal dependencies
diff --git a/packages/is-shallow-equal/package.json b/packages/is-shallow-equal/package.json
index 76912c37b9f598..6ca7bb0d4043b2 100644
--- a/packages/is-shallow-equal/package.json
+++ b/packages/is-shallow-equal/package.json
@@ -45,6 +45,7 @@
 	"types": "build-types",
 	"sideEffects": false,
 	"devDependencies": {
+		"@wordpress/lazy-import": "file:../lazy-import",
 		"benchmark": "^2.1.4"
 	},
 	"publishConfig": {
diff --git a/storybook/stories/playground/zoom-out/index.jsx b/storybook/stories/playground/zoom-out/index.jsx
index 389f7965150243..5a48617246bfcb 100644
--- a/storybook/stories/playground/zoom-out/index.jsx
+++ b/storybook/stories/playground/zoom-out/index.jsx
@@ -13,7 +13,7 @@ import { pattern } from './pattern';
 import { editorStyles } from '../editor-styles';
 // Reason: Styles are contained in BlockCanvas iframe.
 // eslint-disable-next-line @wordpress/no-non-module-stylesheet-imports
-import contentCss from '../../../../packages/block-editor/build-style/content.css?raw';
+import contentCss from '@wordpress/block-editor/build-style/content.css?raw';
 
 // Temporary hack to access private APIs before stabilizing zoom level.
 const { unlock } = __dangerousOptInToUnstableAPIsOnlyForCoreModules(
diff --git a/test/e2e/package.json b/test/e2e/package.json
index e0d368e9dd9f60..ab46a180f99cdb 100644
--- a/test/e2e/package.json
+++ b/test/e2e/package.json
@@ -30,6 +30,7 @@
 		"@y/websocket-server": "^0.1.1",
 		"esbuild": "^0.27.2",
 		"filenamify": "^4.2.0",
+		"wasm-vips": "^0.0.18",
 		"ws": "^8.18.3",
 		"y-websocket": "^3.0.0"
 	},
diff --git a/test/integration/package.json b/test/integration/package.json
index 649feb38b6c096..059a3ccfa0a60f 100644
--- a/test/integration/package.json
+++ b/test/integration/package.json
@@ -19,6 +19,9 @@
 	"bugs": {
 		"url": "https://github.com/WordPress/gutenberg/issues"
 	},
+	"exports": {
+		"./helpers/integration-test-editor": "./helpers/integration-test-editor.js"
+	},
 	"devDependencies": {
 		"@testing-library/react": "^16.3.2",
 		"@testing-library/user-event": "^14.6.1",
diff --git a/test/performance/package.json b/test/performance/package.json
index e2f37597c7c785..eba2451e5ec33d 100644
--- a/test/performance/package.json
+++ b/test/performance/package.json
@@ -24,7 +24,8 @@
 		"@playwright/test": "^1.61.1",
 		"@types/node": "^20.19.39",
 		"@wordpress/e2e-test-utils-playwright": "file:../../packages/e2e-test-utils-playwright",
-		"@wordpress/scripts": "file:../../packages/scripts"
+		"@wordpress/scripts": "file:../../packages/scripts",
+		"wasm-vips": "^0.0.18"
 	},
 	"publishConfig": {
 		"access": "public"
diff --git a/test/unit/jest.config.js b/test/unit/jest.config.js
index 19bdca4c8bd0b3..6bb44b3b09f6e1 100644
--- a/test/unit/jest.config.js
+++ b/test/unit/jest.config.js
@@ -48,6 +48,8 @@ module.exports = {
 			'packages/$1/src',
 		'@wordpress/theme/design-tokens.js':
 			'<rootDir>/packages/theme/src/prebuilt/js/design-tokens.mjs',
+		'@wordpress/block-library/build-module/(.*).mjs':
+			'<rootDir>/packages/block-library/src/$1.js',
 		'.+\\.wasm$': '<rootDir>/test/unit/config/wasm-stub.js',
 	},
 	preset: jestPresetDefaultDir,
diff --git a/tools/eslint/config.mjs b/tools/eslint/config.mjs
index f12a0494a49e93..782711ccdb34e7 100644
--- a/tools/eslint/config.mjs
+++ b/tools/eslint/config.mjs
@@ -376,9 +376,6 @@ export default dedupePlugins( [
 	{
 		files: developmentFiles,
 		rules: {
-			'import/default': 'off',
-			'import/no-unresolved': 'off',
-			'import/named': 'off',
 			'@wordpress/data-no-store-string-literals': 'off',
 		},
 	},
@@ -389,6 +386,7 @@ export default dedupePlugins( [
 		files: [ '**/fixtures/**' ],
 		rules: {
 			'import/no-extraneous-dependencies': 'off',
+			'import/no-unresolved': 'off',
 		},
 	},
 
diff --git a/tools/eslint/import-resolver.cjs b/tools/eslint/import-resolver.cjs
index 3d08282515733d..7d7d3f6eb12be0 100644
--- a/tools/eslint/import-resolver.cjs
+++ b/tools/eslint/import-resolver.cjs
@@ -8,11 +8,81 @@ const PACKAGES_DIR = path.resolve( __dirname, '../../packages' );
 
 exports.interfaceVersion = 2;
 
+/**
+ * @typedef ExportEntryObject
+ *
+ * @property {string} import  ESM import entrypoint.
+ * @property {string} default Default export entrypoint.
+ */
+
+/**
+ * @typedef {string|ExportEntryObject} ExportEntry
+ */
+
+/**
+ * Given an export entry and a subpath, returns the resolved export path for
+ * the matching entry. Defaults to the ESM entrypoint if available, falling back
+ * to the default export or the root entry if it is a string.
+ *
+ * @param {ExportEntry} exportEntry Export entry from package manifest.
+ *
+ * @return {string|undefined} The resolved export path, or undefined if no
+ *                            matching entry is found.
+ */
+function getResolvedExportPath( exportEntry ) {
+	return typeof exportEntry === 'string'
+		? exportEntry
+		: exportEntry?.import ?? exportEntry?.default;
+}
+
+/**
+ * Given a package entrypoint identifier, returns the resolved export path for
+ * the matching entry. Supports matching wildcard entries, and defaults to the
+ * ESM entrypoint if available.
+ *
+ * @param {string}                      subpath   Package entrypoint identifier.
+ * @param {Record<string, ExportEntry>} exportMap Export map from package manifest.
+ *
+ * @return {string|void|undefined} The resolved export path, or undefined if no
+ *                                 matching entry is found.
+ */
+function getResolvedExport( subpath, exportMap ) {
+	if ( Object.hasOwn( exportMap, subpath ) ) {
+		return getResolvedExportPath( exportMap[ subpath ] );
+	}
+
+	for ( const key in exportMap ) {
+		if ( ! Object.hasOwn( exportMap, key ) ) {
+			continue;
+		}
+
+		const wildcardIndex = key.indexOf( '*' );
+		if ( wildcardIndex === -1 ) {
+			continue;
+		}
+
+		if ( subpath.startsWith( key.substring( 0, wildcardIndex ) ) ) {
+			const wildcardPath = subpath.substring( wildcardIndex );
+			const resolvedPath = getResolvedExportPath( exportMap[ key ] );
+			return resolvedPath?.replace( '*', wildcardPath );
+		}
+	}
+}
+
 exports.resolve = function ( source, file, config ) {
 	const resolve = ( sourcePath ) =>
 		resolverNode.resolve( sourcePath, file, {
 			...config,
-			extensions: [ '.tsx', '.ts', '.mjs', '.js', '.json', '.node' ],
+			extensions: [
+				'.tsx',
+				'.ts',
+				'.mjs',
+				'.js',
+				'.jsx',
+				'.cjs',
+				'.json',
+				'.node',
+			],
 		} );
 
 	if ( source.startsWith( '@wordpress/' ) ) {
@@ -30,11 +100,28 @@ exports.resolve = function ( source, file, config ) {
 		try {
 			const manifestPath = path.join( packagePath, 'package.json' );
 			const manifest = JSON.parse( readFileSync( manifestPath, 'utf8' ) );
-			const subpath = path.join( '.', pathParts.join( '/' ) );
-			const exportPath = manifest.exports?.[ subpath ]?.import;
+			let subpath = '.';
+			if ( pathParts.length > 0 ) {
+				subpath += '/' + pathParts.join( '/' );
+			}
+
+			// Storybook uses the React Vite builder, and Vite supports
+			// importing assets as strings by appending `?raw`. Ignore this
+			// and other querystrings in the path when resolving the export.
+			//
+			// See: https://vite.dev/guide/assets#importing-asset-as-string
+			subpath = subpath.split( '?' )[ 0 ];
+
+			const exportPath = getResolvedExport( subpath, manifest.exports );
+
 			const sourcePath = exportPath
-				.replace( 'build-module', 'src' )
-				.replace( /\.mjs$/, '.js' );
+				// Remap build-style CSS files to src SCSS files. By default,
+				// wp-build emits a CSS file for each SCSS file in src. This is
+				// controlled by wpStyleEntryPoints which we don't fully
+				// recreate here (yet), but generally we don't override this.
+				.replace( /build-style\/(.+?)\.css/, 'src/$1.scss' )
+				.replace( /build(-module)?/, 'src' )
+				.replace( /\.[cm]?js$/, '.js' );
 
 			return resolve( path.join( packagePath, sourcePath ) );
 		} catch {