diff --git a/package.json b/package.json
index 52bde376..11492ed7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular/build",
-  "version": "19.2.0-next.2+sha-8f73dad",
+  "version": "19.2.15+sha-c6eba4d",
   "description": "Official build system for Angular",
   "keywords": [
     "Angular CLI",
@@ -23,16 +23,16 @@
   "builders": "builders.json",
   "dependencies": {
     "@ampproject/remapping": "2.3.0",
-    "@angular-devkit/architect": "github:angular/angular-devkit-architect-builds#8f73dad",
-    "@babel/core": "7.26.9",
+    "@angular-devkit/architect": "github:angular/angular-devkit-architect-builds#c6eba4d",
+    "@babel/core": "7.26.10",
     "@babel/helper-annotate-as-pure": "7.25.9",
     "@babel/helper-split-export-declaration": "7.24.7",
     "@babel/plugin-syntax-import-attributes": "7.26.0",
     "@inquirer/confirm": "5.1.6",
     "@vitejs/plugin-basic-ssl": "1.2.0",
-    "beasties": "0.2.0",
+    "beasties": "0.3.2",
     "browserslist": "^4.23.0",
-    "esbuild": "0.25.0",
+    "esbuild": "0.25.4",
     "fast-glob": "3.3.3",
     "https-proxy-agent": "7.0.6",
     "istanbul-lib-instrument": "6.0.3",
@@ -46,7 +46,7 @@
     "sass": "1.85.0",
     "semver": "7.7.1",
     "source-map-support": "0.5.21",
-    "vite": "6.1.0",
+    "vite": "6.2.7",
     "watchpack": "2.4.2"
   },
   "optionalDependencies": {
@@ -58,7 +58,7 @@
     "@angular/localize": "^19.0.0 || ^19.2.0-next.0",
     "@angular/platform-server": "^19.0.0 || ^19.2.0-next.0",
     "@angular/service-worker": "^19.0.0 || ^19.2.0-next.0",
-    "@angular/ssr": "github:angular/angular-ssr-builds#8f73dad",
+    "@angular/ssr": "github:angular/angular-ssr-builds#c6eba4d",
     "karma": "^6.4.0",
     "less": "^4.2.0",
     "ng-packagr": "^19.0.0 || ^19.2.0-next.0",
@@ -76,7 +76,9 @@
     "@angular/service-worker": {
       "optional": true
     },
-    "@angular/ssr": "github:angular/angular-ssr-builds#8f73dad",
+    "@angular/ssr": {
+      "optional": true
+    },
     "karma": {
       "optional": true
     },
@@ -97,6 +99,7 @@
     "type": "git",
     "url": "https://github.com/angular/angular-cli.git"
   },
+  "packageManager": "pnpm@9.15.6",
   "engines": {
     "node": "^18.19.1 || ^20.11.1 || >=22.0.0",
     "npm": "^6.11.0 || ^7.5.6 || >=8.0.0",
diff --git a/src/builders/application/build-action.js b/src/builders/application/build-action.js
index 5b0a7e9c..0d012009 100644
--- a/src/builders/application/build-action.js
+++ b/src/builders/application/build-action.js
@@ -263,8 +263,7 @@ function* emitOutputResults({ outputFiles, assetFiles, errors, warnings, externa
             if (file.path.endsWith('.css')) {
                 hasCssUpdates = true;
             }
-            else if (!/(?:\.m?js|\.map)$/.test(file.path)) {
-                // Updates to non-JS files must signal an update with the dev server
+            else if (!canBackgroundUpdate(file)) {
                 incrementalResult.background = false;
             }
             incrementalResult.files[file.path] = {
@@ -342,3 +341,13 @@ function* emitOutputResults({ outputFiles, assetFiles, errors, warnings, externa
 function isCssFilePath(filePath) {
     return /\.css(?:\.map)?$/i.test(filePath);
 }
+function canBackgroundUpdate(file) {
+    // Files in the output root are not served and do not affect the
+    // application available with the development server.
+    if (file.type === bundler_context_1.BuildOutputFileType.Root) {
+        return true;
+    }
+    // Updates to non-JS files must signal an update with the dev server
+    // except the service worker configuration which is special cased.
+    return /(?:\.m?js|\.map)$/.test(file.path) || file.path === 'ngsw.json';
+}
diff --git a/src/builders/application/execute-build.js b/src/builders/application/execute-build.js
index 1c1d7526..7c6901ff 100644
--- a/src/builders/application/execute-build.js
+++ b/src/builders/application/execute-build.js
@@ -136,15 +136,43 @@ async function executeBuild(options, context, rebuildState) {
     }
     // Analyze external imports if external options are enabled
     if (options.externalPackages || bundlingResult.externalConfiguration) {
-        const { externalConfiguration, externalImports: { browser, server }, } = bundlingResult;
-        const implicitBrowser = browser ? [...browser] : [];
-        const implicitServer = server ? [...server] : [];
-        // TODO: Implement wildcard externalConfiguration filtering
-        executionResult.setExternalMetadata(externalConfiguration
-            ? implicitBrowser.filter((value) => !externalConfiguration.includes(value))
-            : implicitBrowser, externalConfiguration
-            ? implicitServer.filter((value) => !externalConfiguration.includes(value))
-            : implicitServer, externalConfiguration);
+        const { externalConfiguration = [], externalImports: { browser = [], server = [] }, } = bundlingResult;
+        // Similar to esbuild, --external:@foo/bar automatically implies --external:@foo/bar/*,
+        // which matches import paths like @foo/bar/baz.
+        // This means all paths within the @foo/bar package are also marked as external.
+        const exclusionsPrefixes = externalConfiguration.map((exclusion) => exclusion + '/');
+        const exclusions = new Set(externalConfiguration);
+        const explicitExternal = new Set();
+        const isExplicitExternal = (dep) => {
+            if (exclusions.has(dep)) {
+                return true;
+            }
+            for (const prefix of exclusionsPrefixes) {
+                if (dep.startsWith(prefix)) {
+                    return true;
+                }
+            }
+            return false;
+        };
+        const implicitBrowser = [];
+        for (const dep of browser) {
+            if (isExplicitExternal(dep)) {
+                explicitExternal.add(dep);
+            }
+            else {
+                implicitBrowser.push(dep);
+            }
+        }
+        const implicitServer = [];
+        for (const dep of server) {
+            if (isExplicitExternal(dep)) {
+                explicitExternal.add(dep);
+            }
+            else {
+                implicitServer.push(dep);
+            }
+        }
+        executionResult.setExternalMetadata(implicitBrowser, implicitServer, [...explicitExternal]);
     }
     const { metafile, initialFiles, outputFiles } = bundlingResult;
     executionResult.outputFiles.push(...outputFiles);
diff --git a/src/builders/application/options.d.ts b/src/builders/application/options.d.ts
index ed7e118f..69c18f59 100644
--- a/src/builders/application/options.d.ts
+++ b/src/builders/application/options.d.ts
@@ -108,6 +108,9 @@ export declare function normalizeOptions(context: BuilderContext, projectName: s
     cacheOptions: import("../../utils/normalize-cache").NormalizedCachedOptions;
     crossOrigin: import("./schema").CrossOrigin | undefined;
     externalDependencies: string[] | undefined;
+    externalPackages: boolean | {
+        exclude: string[] | undefined;
+    } | undefined;
     extractLicenses: boolean | undefined;
     inlineStyleLanguage: string;
     jit: boolean;
@@ -115,9 +118,6 @@ export declare function normalizeOptions(context: BuilderContext, projectName: s
     polyfills: string[] | undefined;
     poll: number | undefined;
     progress: boolean;
-    externalPackages: boolean | {
-        exclude: string[];
-    } | undefined;
     preserveSymlinks: boolean;
     stylePreprocessorOptions: import("./schema").StylePreprocessorOptions | undefined;
     subresourceIntegrity: boolean | undefined;
diff --git a/src/builders/application/options.js b/src/builders/application/options.js
index 06d26f11..0c2ffcd4 100644
--- a/src/builders/application/options.js
+++ b/src/builders/application/options.js
@@ -132,12 +132,12 @@ async function normalizeOptions(context, projectName, options, extensions) {
         ? undefined
         : await getTailwindConfig(searchDirectories, workspaceRoot, context);
     let serverEntryPoint;
-    if (options.server) {
+    if (typeof options.server === 'string') {
+        if (options.server === '') {
+            throw new Error('The "server" option cannot be an empty string.');
+        }
         serverEntryPoint = node_path_1.default.join(workspaceRoot, options.server);
     }
-    else if (options.server === '') {
-        throw new Error('The "server" option cannot be an empty string.');
-    }
     let prerenderOptions;
     if (options.prerender) {
         const { discoverRoutes = true, routesFile = undefined } = options.prerender === true ? {} : options.prerender;
@@ -253,7 +253,13 @@ async function normalizeOptions(context, projectName, options, extensions) {
         baseHref,
         cacheOptions,
         crossOrigin,
-        externalDependencies,
+        externalDependencies: normalizeExternals(externalDependencies),
+        externalPackages: typeof externalPackages === 'object'
+            ? {
+                ...externalPackages,
+                exclude: normalizeExternals(externalPackages.exclude),
+            }
+            : externalPackages,
         extractLicenses,
         inlineStyleLanguage,
         jit: !aot,
@@ -261,7 +267,6 @@ async function normalizeOptions(context, projectName, options, extensions) {
         polyfills: polyfills === undefined || Array.isArray(polyfills) ? polyfills : [polyfills],
         poll,
         progress,
-        externalPackages,
         preserveSymlinks,
         stylePreprocessorOptions,
         subresourceIntegrity,
@@ -447,3 +452,25 @@ function getLocaleBaseHref(baseHref = '', i18n, locale) {
     const baseHrefSuffix = localeData.baseHref ?? localeData.subPath + '/';
     return baseHrefSuffix !== '' ? (0, url_1.urlJoin)(baseHref, baseHrefSuffix) : undefined;
 }
+/**
+ * Normalizes an array of external dependency paths by ensuring that
+ * wildcard patterns (`/*`) are removed from package names.
+ *
+ * This avoids the need to handle this normalization repeatedly in our plugins,
+ * as esbuild already treats `--external:@foo/bar` as implicitly including
+ * `--external:@foo/bar/*`. By standardizing the input, we ensure consistency
+ * and reduce redundant checks across our plugins.
+ *
+ * @param value - An optional array of dependency paths to normalize.
+ * @returns A new array with wildcard patterns removed from package names, or `undefined` if input is `undefined`.
+ */
+function normalizeExternals(value) {
+    if (!value) {
+        return undefined;
+    }
+    return [
+        ...new Set(value.map((d) => 
+        // remove "/*" wildcard in the end if provided string is not path-like
+        d.endsWith('/*') && !/^\.{0,2}\//.test(d) ? d.slice(0, -2) : d)),
+    ];
+}
diff --git a/src/builders/application/schema.d.ts b/src/builders/application/schema.d.ts
index ee155991..47a1cee8 100644
--- a/src/builders/application/schema.d.ts
+++ b/src/builders/application/schema.d.ts
@@ -62,7 +62,9 @@ export type Schema = {
     deployUrl?: string;
     /**
      * Exclude the listed external dependencies from being bundled into the bundle. Instead, the
-     * created bundle relies on these dependencies to be available during runtime.
+     * created bundle relies on these dependencies to be available during runtime. Note:
+     * `@foo/bar` marks all paths within the `@foo/bar` package as external, including sub-paths
+     * like `@foo/bar/baz`.
      */
     externalDependencies?: string[];
     /**
@@ -161,11 +163,11 @@ export type Schema = {
      * The full path for the server entry point to the application, relative to the current
      * workspace.
      */
-    server?: string;
+    server?: Serv;
     /**
      * Generates a service worker configuration.
      */
-    serviceWorker?: ServiceWorker;
+    serviceWorker?: Serv;
     /**
      * Output source maps for scripts and styles. For more information, see
      * https://angular.dev/reference/configs/workspace-config#source-map-configuration.
@@ -494,9 +496,12 @@ export type AutoCspClass = {
     unsafeEval?: boolean;
 };
 /**
+ * The full path for the server entry point to the application, relative to the current
+ * workspace.
+ *
  * Generates a service worker configuration.
  */
-export type ServiceWorker = boolean | string;
+export type Serv = boolean | string;
 /**
  * Output source maps for scripts and styles. For more information, see
  * https://angular.dev/reference/configs/workspace-config#source-map-configuration.
diff --git a/src/builders/application/schema.json b/src/builders/application/schema.json
index a8e8e13a..e2bf1f3a 100644
--- a/src/builders/application/schema.json
+++ b/src/builders/application/schema.json
@@ -17,7 +17,6 @@
       "description": "The full path for the browser entry point to the application, relative to the current workspace."
     },
     "server": {
-      "type": "string",
       "description": "The full path for the server entry point to the application, relative to the current workspace.",
       "oneOf": [
         {
@@ -196,7 +195,7 @@
       "additionalProperties": false
     },
     "externalDependencies": {
-      "description": "Exclude the listed external dependencies from being bundled into the bundle. Instead, the created bundle relies on these dependencies to be available during runtime.",
+      "description": "Exclude the listed external dependencies from being bundled into the bundle. Instead, the created bundle relies on these dependencies to be available during runtime. Note: `@foo/bar` marks all paths within the `@foo/bar` package as external, including sub-paths like `@foo/bar/baz`.",
       "type": "array",
       "items": {
         "type": "string"
diff --git a/src/builders/dev-server/builder.js b/src/builders/dev-server/builder.js
index 163c4703..3965771a 100644
--- a/src/builders/dev-server/builder.js
+++ b/src/builders/dev-server/builder.js
@@ -33,10 +33,6 @@ async function* execute(options, context, extensions) {
         return;
     }
     const { builderName, normalizedOptions } = await initialize(options, projectName, context);
-    // Warn if the initial options provided by the user enable prebundling but caching is disabled
-    if (options.prebundle && !normalizedOptions.cacheOptions.enabled) {
-        context.logger.warn(`Prebundling has been configured but will not be used because caching has been disabled.`);
-    }
     yield* (0, vite_server_1.serveWithVite)(normalizedOptions, builderName, (options, context, plugins) => (0, internal_1.buildApplicationInternal)(options, context, { codePlugins: plugins }), context, { indexHtml: extensions?.indexHtmlTransformer }, extensions);
 }
 async function initialize(initialOptions, projectName, context) {
diff --git a/src/builders/dev-server/schema.d.ts b/src/builders/dev-server/schema.d.ts
index cb68a19f..39742e19 100644
--- a/src/builders/dev-server/schema.d.ts
+++ b/src/builders/dev-server/schema.d.ts
@@ -104,7 +104,9 @@ export type PrebundleUnion = boolean | PrebundleClass;
 export type PrebundleClass = {
     /**
      * List of package imports that should not be prebundled by the development server. The
-     * packages will be bundled into the application code itself.
+     * packages will be bundled into the application code itself. Note: specifying `@foo/bar`
+     * marks all paths within the `@foo/bar` package as excluded, including sub-paths like
+     * `@foo/bar/baz`.
      */
     exclude: string[];
 };
diff --git a/src/builders/dev-server/schema.json b/src/builders/dev-server/schema.json
index c36d8614..41902e43 100644
--- a/src/builders/dev-server/schema.json
+++ b/src/builders/dev-server/schema.json
@@ -115,7 +115,7 @@
           "type": "object",
           "properties": {
             "exclude": {
-              "description": "List of package imports that should not be prebundled by the development server. The packages will be bundled into the application code itself.",
+              "description": "List of package imports that should not be prebundled by the development server. The packages will be bundled into the application code itself. Note: specifying `@foo/bar` marks all paths within the `@foo/bar` package as excluded, including sub-paths like `@foo/bar/baz`.",
               "type": "array",
               "items": { "type": "string" }
             }
diff --git a/src/builders/dev-server/vite-server.js b/src/builders/dev-server/vite-server.js
index d3676fdc..fd36563e 100644
--- a/src/builders/dev-server/vite-server.js
+++ b/src/builders/dev-server/vite-server.js
@@ -86,6 +86,13 @@ async function* serveWithVite(serverOptions, builderName, builderAction, context
     browserOptions.security = {
         autoCsp: false,
     };
+    // Disable JSON build stats.
+    // These are not accessible with the dev server and can cause HMR fallbacks.
+    if (browserOptions.statsJson === true) {
+        context.logger.warn('Build JSON statistics output (`statsJson` option) has been disabled.' +
+            ' The development server does not support this option.');
+    }
+    browserOptions.statsJson = false;
     // Set all packages as external to support Vite's prebundle caching
     browserOptions.externalPackages = serverOptions.prebundle;
     // Disable generating a full manifest with routes.
@@ -109,16 +116,13 @@ async function* serveWithVite(serverOptions, builderName, builderAction, context
     }
     // Enable to support link-based component style hot reloading (`NG_HMR_CSTYLES=1` can be used to enable)
     browserOptions.externalRuntimeStyles =
-        serverOptions.liveReload && serverOptions.hmr && environment_options_1.useComponentStyleHmr;
+        browserOptions.aot && serverOptions.liveReload && serverOptions.hmr && environment_options_1.useComponentStyleHmr;
     // Enable to support component template hot replacement (`NG_HMR_TEMPLATE=0` can be used to disable selectively)
     // This will also replace file-based/inline styles as code if external runtime styles are not enabled.
     browserOptions.templateUpdates =
-        serverOptions.liveReload && serverOptions.hmr && environment_options_1.useComponentTemplateHmr;
+        browserOptions.aot && serverOptions.liveReload && serverOptions.hmr && environment_options_1.useComponentTemplateHmr;
     if (browserOptions.templateUpdates) {
-        context.logger.warn('Component HMR has been enabled.\n' +
-            'If you encounter application reload issues, you can manually reload the page to bypass HMR and/or disable this feature with the' +
-            ' `--no-hmr` command line option.\n' +
-            'Please consider reporting any issues you encounter here: https://github.com/angular/angular-cli/issues\n');
+        context.logger.warn('Component HMR has been enabled, see https://angular.dev/hmr for more info.');
     }
     browserOptions.incrementalResults = true;
     // Setup the prebundling transformer that will be shared across Vite prebundling requests
@@ -246,8 +250,9 @@ async function* serveWithVite(serverOptions, builderName, builderAction, context
             externalMetadata.explicitServer.length = 0;
             externalMetadata.implicitServer.length = 0;
             externalMetadata.implicitBrowser.length = 0;
-            externalMetadata.explicitBrowser.push(...explicit);
-            externalMetadata.explicitServer.push(...explicit, ...node_module_1.builtinModules);
+            const externalDeps = browserOptions.externalDependencies ?? [];
+            externalMetadata.explicitBrowser.push(...explicit, ...externalDeps);
+            externalMetadata.explicitServer.push(...explicit, ...externalDeps, ...node_module_1.builtinModules);
             externalMetadata.implicitServer.push(...implicitServerFiltered);
             externalMetadata.implicitBrowser.push(...implicitBrowserFiltered);
             // The below needs to be sorted as Vite uses these options are part of the hashing invalidation algorithm.
@@ -306,7 +311,10 @@ async function* serveWithVite(serverOptions, builderName, builderAction, context
                 });
             }
             // Setup server and start listening
-            const serverConfiguration = await setupServer(serverOptions, generatedFiles, assetFiles, browserOptions.preserveSymlinks, externalMetadata, ssrMode, prebundleTransformer, target, (0, internal_1.isZonelessApp)(polyfills), componentStyles, templateUpdates, browserOptions.loader, browserOptions.define, extensions?.middleware, transformers?.indexHtml, thirdPartySourcemaps);
+            const serverConfiguration = await setupServer(serverOptions, generatedFiles, assetFiles, browserOptions.preserveSymlinks, externalMetadata, ssrMode, prebundleTransformer, target, (0, internal_1.isZonelessApp)(polyfills), componentStyles, templateUpdates, browserOptions.loader, {
+                ...browserOptions.define,
+                'ngHmrMode': browserOptions.templateUpdates ? 'true' : 'false',
+            }, extensions?.middleware, transformers?.indexHtml, thirdPartySourcemaps);
             server = await createServer(serverConfiguration);
             await server.listen();
             // Setup builder context logging for browser clients
diff --git a/src/builders/extract-i18n/builder.js b/src/builders/extract-i18n/builder.js
index 2babc523..19b0f374 100644
--- a/src/builders/extract-i18n/builder.js
+++ b/src/builders/extract-i18n/builder.js
@@ -102,7 +102,7 @@ async function execute(options, context, extensions) {
     };
     const diagnostics = checkDuplicateMessages(
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    checkFileSystem, extractionResult.messages, 'warning', 
+    checkFileSystem, extractionResult.messages, normalizedOptions.i18nOptions.i18nDuplicateTranslation || 'warning', 
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     extractionResult.basePath);
     if (diagnostics.messages.length > 0) {
diff --git a/src/builders/karma/application_builder.js b/src/builders/karma/application_builder.js
index 4e590436..bc35771c 100644
--- a/src/builders/karma/application_builder.js
+++ b/src/builders/karma/application_builder.js
@@ -55,6 +55,7 @@ const bundler_context_1 = require("../../tools/esbuild/bundler-context");
 const schema_1 = require("../application/schema");
 const find_tests_1 = require("./find-tests");
 const localResolve = (0, node_module_1.createRequire)(__filename).resolve;
+const isWindows = process.platform === 'win32';
 class ApplicationBuildError extends Error {
     constructor(message) {
         super(message);
@@ -75,9 +76,15 @@ class AngularAssetsMiddleware {
         let err = null;
         try {
             const url = new URL(`http://${req.headers['host']}${req.url}`);
-            const file = this.latestBuildFiles.files[url.pathname.slice(1)];
+            // Remove the leading slash from the URL path and convert to platform specific.
+            // The latest build files will use the platform path separator.
+            let pathname = url.pathname.slice(1);
+            if (isWindows) {
+                pathname = pathname.replaceAll(path.posix.sep, path.win32.sep);
+            }
+            const file = this.latestBuildFiles.files[pathname];
             if (file?.origin === 'disk') {
-                this.serveFile(file.inputPath, undefined, res);
+                this.serveFile(file.inputPath, undefined, res, undefined, undefined, /* doNotCache */ true);
                 return;
             }
             else if (file?.origin === 'memory') {
@@ -316,6 +323,7 @@ async function initializeApplication(options, context, karmaOptions, transforms
         entryPoints,
         tsConfig: options.tsConfig,
         outputPath,
+        preserveSymlinks: options.preserveSymlinks,
         aot: options.aot,
         index: false,
         outputHashing: schema_1.OutputHashing.None,
@@ -351,7 +359,8 @@ async function initializeApplication(options, context, karmaOptions, transforms
     // Write test files
     await writeTestFiles(buildOutput.files, buildOptions.outputPath);
     // We need to add this to the beginning *after* the testing framework has
-    // prepended its files.
+    // prepended its files. The output path is required for each since they are
+    // added later in the test process via a plugin.
     const polyfillsFile = {
         pattern: `${outputPath}/polyfills.js`,
         included: true,
@@ -366,28 +375,29 @@ async function initializeApplication(options, context, karmaOptions, transforms
         type: 'module',
         watched: false,
     };
+    karmaOptions.basePath = outputPath;
     karmaOptions.files ??= [];
     if (options.scripts?.length) {
         // This should be more granular to support named bundles.
         // However, it replicates the behavior of the Karma Webpack-based builder.
         karmaOptions.files.push({
-            pattern: `${outputPath}/scripts.js`,
+            pattern: `scripts.js`,
             watched: false,
             type: 'js',
         });
     }
     karmaOptions.files.push(
     // Serve global setup script.
-    { pattern: `${outputPath}/${mainName}.js`, type: 'module', watched: false }, 
+    { pattern: `${mainName}.js`, type: 'module', watched: false }, 
     // Serve all source maps.
-    { pattern: `${outputPath}/*.map`, included: false, watched: false }, 
+    { pattern: `*.map`, included: false, watched: false }, 
     // These are the test entrypoints.
-    { pattern: `${outputPath}/spec-*.js`, type: 'module', watched: false });
+    { pattern: `spec-*.js`, type: 'module', watched: false });
     if (hasChunkOrWorkerFiles(buildOutput.files)) {
         karmaOptions.files.push(
         // Allow loading of chunk-* files but don't include them all on load.
         {
-            pattern: `${outputPath}/{chunk,worker}-*.js`,
+            pattern: `{chunk,worker}-*.js`,
             type: 'module',
             included: false,
             watched: false,
@@ -395,7 +405,7 @@ async function initializeApplication(options, context, karmaOptions, transforms
     }
     if (options.styles?.length) {
         // Serve CSS outputs on page load, these are the global styles.
-        karmaOptions.files.push({ pattern: `${outputPath}/*.css`, type: 'css', watched: false });
+        karmaOptions.files.push({ pattern: `*.css`, type: 'css', watched: false });
     }
     const parsedKarmaConfig = await karma.config.parseConfig(options.karmaConfig && path.resolve(context.workspaceRoot, options.karmaConfig), transforms.karmaOptions ? transforms.karmaOptions(karmaOptions) : karmaOptions, { promiseConfig: true, throwErrors: true });
     // Remove the webpack plugin/framework:
diff --git a/src/tools/angular/angular-host.js b/src/tools/angular/angular-host.js
index cb2ea324..4a47a9c2 100644
--- a/src/tools/angular/angular-host.js
+++ b/src/tools/angular/angular-host.js
@@ -118,6 +118,9 @@ function createAngularCompilerHost(typescript, compilerOptions, hostOptions, pac
     };
     host.resourceNameToFileName = function (resourceName, containingFile) {
         const resolvedPath = node_path_1.default.join(node_path_1.default.dirname(containingFile), resourceName);
+        if (!this.fileExists(resolvedPath)) {
+            return null;
+        }
         // All resource names that have template file extensions are assumed to be templates
         // TODO: Update compiler to provide the resource type to avoid extension matching here.
         if (!hostOptions.externalStylesheets || hasTemplateExtension(resolvedPath)) {
diff --git a/src/tools/babel/plugins/add-code-coverage.js b/src/tools/babel/plugins/add-code-coverage.js
index 6b585bc1..6cb4cdf3 100644
--- a/src/tools/babel/plugins/add-code-coverage.js
+++ b/src/tools/babel/plugins/add-code-coverage.js
@@ -14,7 +14,6 @@ exports.default = default_1;
 const core_1 = require("@babel/core");
 const istanbul_lib_instrument_1 = require("istanbul-lib-instrument");
 const node_assert_1 = __importDefault(require("node:assert"));
-const node_url_1 = require("node:url");
 /**
  * A babel plugin factory function for adding istanbul instrumentation.
  *
@@ -26,15 +25,9 @@ function default_1() {
         visitor: {
             Program: {
                 enter(path, state) {
-                    const inputSourceMap = // eslint-disable-next-line @typescript-eslint/no-explicit-any
-                     state.file.inputMap?.toObject();
-                    // istanbul does not support URL as sources.
-                    if (inputSourceMap?.sources) {
-                        inputSourceMap.sources = inputSourceMap.sources.map((s) => s.startsWith('file://') ? (0, node_url_1.fileURLToPath)(s) : s);
-                    }
                     const visitor = (0, istanbul_lib_instrument_1.programVisitor)(core_1.types, state.filename, {
                         // Babel returns a Converter object from the `convert-source-map` package
-                        inputSourceMap,
+                        inputSourceMap: state.file.inputMap?.toObject(),
                     });
                     visitors.set(path, visitor);
                     visitor.enter(path);
diff --git a/src/tools/esbuild/angular/compiler-plugin.d.ts b/src/tools/esbuild/angular/compiler-plugin.d.ts
index 7fb0bb9e..34efbb1a 100644
--- a/src/tools/esbuild/angular/compiler-plugin.d.ts
+++ b/src/tools/esbuild/angular/compiler-plugin.d.ts
@@ -14,6 +14,13 @@ export interface CompilerPluginOptions {
     sourcemap: boolean | 'external';
     tsconfig: string;
     jit?: boolean;
+    /**
+     * Include class metadata and JIT information in built code.
+     * The Angular TestBed APIs require additional metadata for the Angular aspects of the application
+     * such as Components, Modules, Pipes, etc.
+     * TestBed may also leverage JIT capabilities during testing (e.g., overrideComponent).
+     */
+    includeTestMetadata?: boolean;
     advancedOptimizations?: boolean;
     thirdPartySourcemaps?: boolean;
     fileReplacements?: Record<string, string>;
diff --git a/src/tools/esbuild/angular/compiler-plugin.js b/src/tools/esbuild/angular/compiler-plugin.js
index 7e4c8cb0..2d32ea67 100644
--- a/src/tools/esbuild/angular/compiler-plugin.js
+++ b/src/tools/esbuild/angular/compiler-plugin.js
@@ -47,7 +47,6 @@ exports.createCompilerPlugin = createCompilerPlugin;
 const node_assert_1 = __importDefault(require("node:assert"));
 const node_crypto_1 = require("node:crypto");
 const path = __importStar(require("node:path"));
-const node_url_1 = require("node:url");
 const environment_options_1 = require("../../../utils/environment-options");
 const compilation_1 = require("../../angular/compilation");
 const javascript_transformer_1 = require("../javascript-transformer");
@@ -90,7 +89,7 @@ function createCompilerPlugin(pluginOptions, compilationOrFactory, stylesheetBun
                 sourcemap: !!pluginOptions.sourcemap,
                 thirdPartySourcemaps: pluginOptions.thirdPartySourcemaps,
                 advancedOptimizations: pluginOptions.advancedOptimizations,
-                jit: pluginOptions.jit,
+                jit: pluginOptions.jit || pluginOptions.includeTestMetadata,
             }, environment_options_1.maxWorkers, cacheStore?.createCache('jstransformer'));
             // Setup defines based on the values used by the Angular compiler-cli
             build.initialOptions.define ??= {};
@@ -234,7 +233,7 @@ function createCompilerPlugin(pluginOptions, compilationOrFactory, stylesheetBun
                 let referencedFiles;
                 let externalStylesheets;
                 try {
-                    const initializationResult = await compilation.initialize(pluginOptions.tsconfig, hostOptions, createCompilerOptionsTransformer(setupWarnings, pluginOptions, preserveSymlinks, build.initialOptions.conditions, build.initialOptions.absWorkingDir));
+                    const initializationResult = await compilation.initialize(pluginOptions.tsconfig, hostOptions, createCompilerOptionsTransformer(setupWarnings, pluginOptions, preserveSymlinks, build.initialOptions.conditions));
                     shouldTsIgnoreJs = !initializationResult.compilerOptions.allowJs;
                     // Isolated modules option ensures safe non-TypeScript transpilation.
                     // Typescript printing support for sourcemaps is not yet integrated.
@@ -475,7 +474,7 @@ async function bundleExternalStylesheet(stylesheetBundler, stylesheetFile, exter
         });
     }
 }
-function createCompilerOptionsTransformer(setupWarnings, pluginOptions, preserveSymlinks, customConditions, absWorkingDir) {
+function createCompilerOptionsTransformer(setupWarnings, pluginOptions, preserveSymlinks, customConditions) {
     return (compilerOptions) => {
         // target of 9 is ES2022 (using the number avoids an expensive import of typescript just for an enum)
         if (compilerOptions.target === undefined || compilerOptions.target < 9 /** ES2022 */) {
@@ -537,16 +536,13 @@ function createCompilerOptionsTransformer(setupWarnings, pluginOptions, preserve
         }
         // Synchronize custom resolve conditions.
         // Set if using the supported bundler resolution mode (bundler is the default in new projects)
-        if (compilerOptions.moduleResolution === 100 /* ModuleResolutionKind.Bundler */) {
+        if (compilerOptions.moduleResolution === 100 /* ModuleResolutionKind.Bundler */ ||
+            compilerOptions.module === 200 /** ModuleKind.Preserve */) {
             compilerOptions.customConditions = customConditions;
         }
         return {
             ...compilerOptions,
             noEmitOnError: false,
-            // Using the path as a URL is necessary here; otherwise, esbuild will not generate source maps correctly.
-            // https://github.com/evanw/esbuild/issues/4070
-            // https://github.com/evanw/esbuild/issues/4075
-            outDir: absWorkingDir ? (0, node_url_1.pathToFileURL)(absWorkingDir + '/').href : undefined,
             inlineSources: !!pluginOptions.sourcemap,
             inlineSourceMap: !!pluginOptions.sourcemap,
             sourceMap: undefined,
@@ -555,6 +551,8 @@ function createCompilerOptionsTransformer(setupWarnings, pluginOptions, preserve
             preserveSymlinks,
             externalRuntimeStyles: pluginOptions.externalRuntimeStyles,
             _enableHmr: !!pluginOptions.templateUpdates,
+            supportTestBed: !!pluginOptions.includeTestMetadata,
+            supportJitMode: !!pluginOptions.includeTestMetadata,
         };
     };
 }
diff --git a/src/tools/esbuild/angular/component-stylesheets.js b/src/tools/esbuild/angular/component-stylesheets.js
index 883de8fd..2e31ab5c 100644
--- a/src/tools/esbuild/angular/component-stylesheets.js
+++ b/src/tools/esbuild/angular/component-stylesheets.js
@@ -58,6 +58,10 @@ class ComponentStylesheetBundler {
                 else {
                     buildOptions.entryPoints = [entry];
                 }
+                // Angular encapsulation does not support nesting
+                // See: https://github.com/angular/angular/issues/58996
+                buildOptions.supported ??= {};
+                buildOptions.supported['nesting'] = false;
                 return buildOptions;
             });
         });
@@ -89,6 +93,10 @@ class ComponentStylesheetBundler {
                 else {
                     buildOptions.entryPoints = [`${namespace};${entry}`];
                 }
+                // Angular encapsulation does not support nesting
+                // See: https://github.com/angular/angular/issues/58996
+                buildOptions.supported ??= {};
+                buildOptions.supported['nesting'] = false;
                 buildOptions.plugins.push({
                     name: 'angular-component-styles',
                     setup(build) {
diff --git a/src/tools/esbuild/angular/jit-plugin-callbacks.js b/src/tools/esbuild/angular/jit-plugin-callbacks.js
index 9323d948..23fae0d1 100644
--- a/src/tools/esbuild/angular/jit-plugin-callbacks.js
+++ b/src/tools/esbuild/angular/jit-plugin-callbacks.js
@@ -24,23 +24,18 @@ const load_result_cache_1 = require("../load-result-cache");
  * For inline entries the contents will always be provided.
  */
 async function loadEntry(entry, root, skipRead) {
-    if (entry.startsWith('file:')) {
-        const specifier = (0, node_path_1.join)(root, entry.slice(5));
-        return {
-            path: specifier,
-            contents: skipRead ? undefined : await (0, promises_1.readFile)(specifier, 'utf-8'),
-        };
-    }
-    else if (entry.startsWith('inline:')) {
+    if (entry.startsWith('inline:')) {
         const [importer, data] = entry.slice(7).split(';', 2);
         return {
             path: (0, node_path_1.join)(root, importer),
             contents: Buffer.from(data, 'base64').toString(),
         };
     }
-    else {
-        throw new Error('Invalid data for Angular JIT entry.');
-    }
+    const path = (0, node_path_1.join)(root, entry);
+    return {
+        path,
+        contents: skipRead ? undefined : await (0, promises_1.readFile)(path, 'utf-8'),
+    };
 }
 /**
  * Sets up esbuild resolve and load callbacks to support Angular JIT mode processing
@@ -66,7 +61,7 @@ function setupJitPluginCallbacks(build, stylesheetBundler, additionalResultFiles
             return {
                 // Use a relative path to prevent fully resolved paths in the metafile (JSON stats file).
                 // This is only necessary for custom namespaces. esbuild will handle the file namespace.
-                path: 'file:' + (0, node_path_1.relative)(root, (0, node_path_1.join)((0, node_path_1.dirname)(args.importer), specifier)),
+                path: (0, node_path_1.relative)(root, (0, node_path_1.join)((0, node_path_1.dirname)(args.importer), specifier)),
                 namespace,
             };
         }
diff --git a/src/tools/esbuild/application-code-bundle.js b/src/tools/esbuild/application-code-bundle.js
index dea33231..4b944861 100644
--- a/src/tools/esbuild/application-code-bundle.js
+++ b/src/tools/esbuild/application-code-bundle.js
@@ -430,6 +430,7 @@ function getEsBuildCommonOptions(options) {
             ...(optimizationOptions.scripts ? { 'ngDevMode': 'false' } : undefined),
             'ngJitMode': jit ? 'true' : 'false',
             'ngServerMode': 'false',
+            'ngHmrMode': options.templateUpdates ? 'true' : 'false',
         },
         loader: loaderExtensions,
         footer,
diff --git a/src/tools/esbuild/bundler-context.js b/src/tools/esbuild/bundler-context.js
index 55c2e877..b68e60de 100644
--- a/src/tools/esbuild/bundler-context.js
+++ b/src/tools/esbuild/bundler-context.js
@@ -13,6 +13,7 @@ Object.defineProperty(exports, "__esModule", { value: true });
 exports.BundlerContext = exports.BuildOutputFileType = void 0;
 const esbuild_1 = require("esbuild");
 const node_assert_1 = __importDefault(require("node:assert"));
+const node_module_1 = require("node:module");
 const node_path_1 = require("node:path");
 const load_result_cache_1 = require("./load-result-cache");
 const utils_1 = require("./utils");
@@ -198,10 +199,11 @@ class BundlerContext {
         if (this.incremental) {
             // Add input files except virtual angular files which do not exist on disk
             for (const input of Object.keys(result.metafile.inputs)) {
-                if (!isInternalAngularFile(input)) {
-                    // input file paths are always relative to the workspace root
-                    this.watchFiles.add((0, node_path_1.join)(this.workspaceRoot, input));
+                if (isInternalAngularFile(input) || isInternalBundlerFile(input)) {
+                    continue;
                 }
+                // Input file paths are always relative to the workspace root
+                this.watchFiles.add((0, node_path_1.join)(this.workspaceRoot, input));
             }
         }
         // Return if the build encountered any errors
@@ -276,15 +278,13 @@ class BundlerContext {
         // Collect all external package names
         const externalImports = new Set();
         for (const { imports } of Object.values(result.metafile.outputs)) {
-            for (const importData of imports) {
-                if (!importData.external ||
-                    utils_1.SERVER_GENERATED_EXTERNALS.has(importData.path) ||
-                    (importData.kind !== 'import-statement' &&
-                        importData.kind !== 'dynamic-import' &&
-                        importData.kind !== 'require-call')) {
+            for (const { external, kind, path } of imports) {
+                if (!external ||
+                    utils_1.SERVER_GENERATED_EXTERNALS.has(path) ||
+                    (kind !== 'import-statement' && kind !== 'dynamic-import' && kind !== 'require-call')) {
                     continue;
                 }
-                externalImports.add(importData.path);
+                externalImports.add(path);
             }
         }
         (0, node_assert_1.default)(this.#esbuildOptions, 'esbuild options cannot be undefined.');
@@ -382,3 +382,16 @@ exports.BundlerContext = BundlerContext;
 function isInternalAngularFile(file) {
     return file.startsWith('angular:');
 }
+function isInternalBundlerFile(file) {
+    // Bundler virtual files such as "<define:???>" or "<runtime>"
+    if (file[0] === '<' && file.at(-1) === '>') {
+        return true;
+    }
+    const DISABLED_BUILTIN = '(disabled):';
+    // Disabled node builtins such as "/some/path/(disabled):fs"
+    const disabledIndex = file.indexOf(DISABLED_BUILTIN);
+    if (disabledIndex >= 0) {
+        return node_module_1.builtinModules.includes(file.slice(disabledIndex + DISABLED_BUILTIN.length));
+    }
+    return false;
+}
diff --git a/src/tools/esbuild/bundler-execution-result.d.ts b/src/tools/esbuild/bundler-execution-result.d.ts
index 00c5b200..b972c4fb 100644
--- a/src/tools/esbuild/bundler-execution-result.d.ts
+++ b/src/tools/esbuild/bundler-execution-result.d.ts
@@ -74,7 +74,7 @@ export declare class ExecutionResult {
      * @param implicitServer External dependencies for the server bundles due to the external packages option.
      * @param explicit External dependencies due to explicit project configuration.
      */
-    setExternalMetadata(implicitBrowser: string[], implicitServer: string[], explicit: string[] | undefined): void;
+    setExternalMetadata(implicitBrowser: string[], implicitServer: string[], explicit: string[]): void;
     get output(): {
         success: boolean;
     };
diff --git a/src/tools/esbuild/bundler-execution-result.js b/src/tools/esbuild/bundler-execution-result.js
index 09dcd268..03d26302 100644
--- a/src/tools/esbuild/bundler-execution-result.js
+++ b/src/tools/esbuild/bundler-execution-result.js
@@ -86,7 +86,7 @@ class ExecutionResult {
      * @param explicit External dependencies due to explicit project configuration.
      */
     setExternalMetadata(implicitBrowser, implicitServer, explicit) {
-        this.externalMetadata = { implicitBrowser, implicitServer, explicit: explicit ?? [] };
+        this.externalMetadata = { implicitBrowser, implicitServer, explicit };
     }
     get output() {
         return {
diff --git a/src/tools/esbuild/compiler-plugin-options.js b/src/tools/esbuild/compiler-plugin-options.js
index 3bc2dbf1..22adab19 100644
--- a/src/tools/esbuild/compiler-plugin-options.js
+++ b/src/tools/esbuild/compiler-plugin-options.js
@@ -9,7 +9,7 @@
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.createCompilerPluginOptions = createCompilerPluginOptions;
 function createCompilerPluginOptions(options, sourceFileCache, loadResultCache, templateUpdates) {
-    const { sourcemapOptions, tsconfig, fileReplacements, advancedOptimizations, jit, externalRuntimeStyles, instrumentForCoverage, } = options;
+    const { sourcemapOptions, tsconfig, fileReplacements, advancedOptimizations, jit, externalRuntimeStyles, instrumentForCoverage, optimizationOptions, } = options;
     const incremental = !!options.watch;
     return {
         sourcemap: !!sourcemapOptions.scripts && (sourcemapOptions.hidden ? 'external' : true),
@@ -24,5 +24,6 @@ function createCompilerPluginOptions(options, sourceFileCache, loadResultCache,
         externalRuntimeStyles,
         instrumentForCoverage,
         templateUpdates,
+        includeTestMetadata: !optimizationOptions.scripts,
     };
 }
diff --git a/src/tools/esbuild/external-packages-plugin.js b/src/tools/esbuild/external-packages-plugin.js
index 77254314..864b3155 100644
--- a/src/tools/esbuild/external-packages-plugin.js
+++ b/src/tools/esbuild/external-packages-plugin.js
@@ -18,7 +18,14 @@ const EXTERNAL_PACKAGE_RESOLUTION = Symbol('EXTERNAL_PACKAGE_RESOLUTION');
  * @returns An esbuild plugin.
  */
 function createExternalPackagesPlugin(options) {
-    const exclusions = options?.exclude?.length ? new Set(options.exclude) : undefined;
+    const exclusions = new Set(options?.exclude);
+    // Similar to esbuild, --external:@foo/bar automatically implies --external:@foo/bar/*,
+    // which matches import paths like @foo/bar/baz.
+    // This means all paths within the @foo/bar package are also marked as external.
+    const exclusionsPrefixes = options?.exclude?.map((exclusion) => exclusion + '/') ?? [];
+    const seenExclusions = new Set();
+    const seenExternals = new Set();
+    const seenNonExclusions = new Set();
     return {
         name: 'angular-external-packages',
         setup(build) {
@@ -29,7 +36,7 @@ function createExternalPackagesPlugin(options) {
                     .filter(([, value]) => value !== 'file')
                     .map(([key]) => key);
             // Safe to use native packages external option if no loader options or exclusions present
-            if (!exclusions && !loaderOptionKeys?.length) {
+            if (!exclusions.size && !loaderOptionKeys?.length) {
                 build.initialOptions.packages = 'external';
                 return;
             }
@@ -39,9 +46,21 @@ function createExternalPackagesPlugin(options) {
                 if (args.pluginData?.[EXTERNAL_PACKAGE_RESOLUTION]) {
                     return null;
                 }
-                if (exclusions?.has(args.path)) {
+                if (seenExternals.has(args.path)) {
+                    return { external: true };
+                }
+                if (exclusions.has(args.path) || seenExclusions.has(args.path)) {
                     return null;
                 }
+                if (!seenNonExclusions.has(args.path)) {
+                    for (const exclusion of exclusionsPrefixes) {
+                        if (args.path.startsWith(exclusion)) {
+                            seenExclusions.add(args.path);
+                            return null;
+                        }
+                    }
+                    seenNonExclusions.add(args.path);
+                }
                 const { importer, kind, resolveDir, namespace, pluginData = {} } = args;
                 pluginData[EXTERNAL_PACKAGE_RESOLUTION] = true;
                 const result = await build.resolve(args.path, {
@@ -51,20 +70,23 @@ function createExternalPackagesPlugin(options) {
                     pluginData,
                     resolveDir,
                 });
-                // Return result if unable to resolve or explicitly marked external (externalDependencies option)
-                if (!result.path || result.external) {
+                // Return result if unable to resolve
+                if (!result.path) {
                     return result;
                 }
+                // Return if explicitly marked external (externalDependencies option)
+                if (result.external) {
+                    seenExternals.add(args.path);
+                    return { external: true };
+                }
                 // Allow customized loaders to run against configured paths regardless of location
                 if (loaderFileExtensions.has((0, node_path_1.extname)(result.path))) {
                     return result;
                 }
                 // Mark paths from a node modules directory as external
                 if (/[\\/]node_modules[\\/]/.test(result.path)) {
-                    return {
-                        path: args.path,
-                        external: true,
-                    };
+                    seenExternals.add(args.path);
+                    return { external: true };
                 }
                 // Otherwise return original result
                 return result;
diff --git a/src/tools/esbuild/javascript-transformer.js b/src/tools/esbuild/javascript-transformer.js
index c74a7ebc..6e823d90 100644
--- a/src/tools/esbuild/javascript-transformer.js
+++ b/src/tools/esbuild/javascript-transformer.js
@@ -39,6 +39,9 @@ class JavaScriptTransformer {
         this.#fileCacheKeyBase = Buffer.from(JSON.stringify(this.#commonOptions), 'utf-8');
     }
     #ensureWorkerPool() {
+        if (this.#workerPool) {
+            return this.#workerPool;
+        }
         const workerPoolOptions = {
             filename: require.resolve('./javascript-transformer-worker'),
             maxThreads: this.maxThreads,
@@ -48,7 +51,7 @@ class JavaScriptTransformer {
         if (process.execArgv.length !== filteredExecArgv.length) {
             workerPoolOptions.execArgv = filteredExecArgv;
         }
-        this.#workerPool ??= new worker_pool_1.WorkerPool(workerPoolOptions);
+        this.#workerPool = new worker_pool_1.WorkerPool(workerPoolOptions);
         return this.#workerPool;
     }
     /**
diff --git a/src/tools/esbuild/stylesheets/less-language.js b/src/tools/esbuild/stylesheets/less-language.js
index b7160e7b..80f029c4 100644
--- a/src/tools/esbuild/stylesheets/less-language.js
+++ b/src/tools/esbuild/stylesheets/less-language.js
@@ -42,8 +42,6 @@ var __importStar = (this && this.__importStar) || (function () {
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.LessStylesheetLanguage = void 0;
 const promises_1 = require("node:fs/promises");
-const node_path_1 = require("node:path");
-const node_url_1 = require("node:url");
 /**
  * The lazy-loaded instance of the less stylesheet preprocessor.
  * It is only imported and initialized if a less stylesheet is used.
@@ -117,7 +115,7 @@ async function compileString(data, filename, options, resolver, unsafeInlineJava
         },
     };
     try {
-        const { imports, map, css } = await less.render(data, {
+        const { imports, css } = await less.render(data, {
             filename,
             paths: options.includePaths,
             plugins: [resolverPlugin],
@@ -125,13 +123,13 @@ async function compileString(data, filename, options, resolver, unsafeInlineJava
             javascriptEnabled: unsafeInlineJavaScript,
             sourceMap: options.sourcemap
                 ? {
-                    sourceMapFileInline: false,
+                    sourceMapFileInline: true,
                     outputSourceFiles: true,
                 }
                 : undefined,
         });
         return {
-            contents: options.sourcemap ? `${css}\n${sourceMapToUrlComment(map)}` : css,
+            contents: css,
             loader: 'css',
             watchFiles: [filename, ...imports],
         };
@@ -184,13 +182,3 @@ function convertExceptionLocation(exception) {
         lineText: exception.extract && exception.extract[Math.trunc(exception.extract.length / 2)],
     };
 }
-function sourceMapToUrlComment(sourceMap) {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    const map = JSON.parse(sourceMap);
-    // Using file URLs instead of paths ensures that esbuild correctly resolves the source map.
-    // https://github.com/evanw/esbuild/issues/4070
-    // https://github.com/evanw/esbuild/issues/4075
-    map.sources = map.sources.map((source) => source && (0, node_path_1.isAbsolute)(source) ? (0, node_url_1.pathToFileURL)(source).href : source);
-    const urlSourceMap = Buffer.from(JSON.stringify(map), 'utf-8').toString('base64');
-    return `/*# sourceMappingURL=data:application/json;charset=utf-8;base64,${urlSourceMap} */`;
-}
diff --git a/src/tools/esbuild/stylesheets/stylesheet-plugin-factory.js b/src/tools/esbuild/stylesheets/stylesheet-plugin-factory.js
index 4b5a7253..ac61a292 100644
--- a/src/tools/esbuild/stylesheets/stylesheet-plugin-factory.js
+++ b/src/tools/esbuild/stylesheets/stylesheet-plugin-factory.js
@@ -48,6 +48,7 @@ const fast_glob_1 = __importDefault(require("fast-glob"));
 const node_assert_1 = __importDefault(require("node:assert"));
 const promises_1 = require("node:fs/promises");
 const node_path_1 = require("node:path");
+const error_1 = require("../../../utils/error");
 const load_result_cache_1 = require("../load-result-cache");
 /**
  * The lazy-loaded instance of the postcss stylesheet postprocessor.
@@ -313,6 +314,15 @@ async function compileString(data, filename, postcssProcessor, options) {
                 ],
             };
         }
-        throw error;
+        else {
+            (0, error_1.assertIsError)(error);
+            return {
+                errors: [
+                    {
+                        text: error.message,
+                    },
+                ],
+            };
+        }
     }
 }
diff --git a/src/tools/vite/middlewares/ssr-middleware.js b/src/tools/vite/middlewares/ssr-middleware.js
index 40ab7573..270dfc6d 100644
--- a/src/tools/vite/middlewares/ssr-middleware.js
+++ b/src/tools/vite/middlewares/ssr-middleware.js
@@ -22,11 +22,12 @@ function createAngularSsrInternalMiddleware(server, indexHtmlTransformer) {
             // which must be processed by the runtime linker, even if they are not used.
             await (0, load_esm_1.loadEsmModule)('@angular/compiler');
             const { writeResponseToNodeResponse, createWebRequestFromNodeRequest } = await (0, load_esm_1.loadEsmModule)('@angular/ssr/node');
-            // The following is necessary because accessing the module after invalidation may result in an empty module,
-            // which can trigger a `TypeError: ɵgetOrCreateAngularServerApp is not a function` error.
-            // TODO: look into why.
-            await server.ssrLoadModule('/main.server.mjs');
             const { ɵgetOrCreateAngularServerApp } = (await server.ssrLoadModule('/main.server.mjs'));
+            // `ɵgetOrCreateAngularServerApp` can be undefined right after an error.
+            // See: https://github.com/angular/angular-cli/issues/29907
+            if (!ɵgetOrCreateAngularServerApp) {
+                return next();
+            }
             const angularServerApp = ɵgetOrCreateAngularServerApp({
                 allowStaticRouteRender: true,
             });
diff --git a/src/tools/vite/plugins/id-prefix-plugin.js b/src/tools/vite/plugins/id-prefix-plugin.js
index 3892da61..5ef53577 100644
--- a/src/tools/vite/plugins/id-prefix-plugin.js
+++ b/src/tools/vite/plugins/id-prefix-plugin.js
@@ -23,7 +23,7 @@ function createRemoveIdPrefixPlugin(externals) {
             if (externals.length === 0) {
                 return;
             }
-            const escapedExternals = externals.map(escapeRegexSpecialChars);
+            const escapedExternals = externals.map((e) => escapeRegexSpecialChars(e) + '(?:/.+)?');
             const prefixedExternalRegex = new RegExp(`${resolvedConfig.base}${VITE_ID_PREFIX}(${escapedExternals.join('|')})`, 'g');
             // @ts-expect-error: Property 'push' does not exist on type 'readonly Plugin<any>[]'
             // Reasoning:
diff --git a/src/utils/bundle-calculator.js b/src/utils/bundle-calculator.js
index aacc7bc5..f99ae750 100644
--- a/src/utils/bundle-calculator.js
+++ b/src/utils/bundle-calculator.js
@@ -183,7 +183,7 @@ class AllScriptCalculator extends Calculator {
 class AllCalculator extends Calculator {
     calculate() {
         const size = this.assets
-            .filter((asset) => !asset.name.endsWith('.map'))
+            .filter((asset) => !asset.name.endsWith('.map') && !asset.componentStyle)
             .map((asset) => this.getAssetSize(asset))
             .reduce((total, size) => total + size, 0);
         return [{ size, label: 'total' }];
@@ -208,7 +208,7 @@ class AnyScriptCalculator extends Calculator {
 class AnyCalculator extends Calculator {
     calculate() {
         return this.assets
-            .filter((asset) => !asset.name.endsWith('.map'))
+            .filter((asset) => !asset.name.endsWith('.map') && !asset.componentStyle)
             .map((asset) => ({
             size: this.getAssetSize(asset),
             label: asset.name,
diff --git a/src/utils/i18n-options.d.ts b/src/utils/i18n-options.d.ts
index 481a3221..364132b0 100644
--- a/src/utils/i18n-options.d.ts
+++ b/src/utils/i18n-options.d.ts
@@ -5,6 +5,7 @@
  * Use of this source code is governed by an MIT-style license that can be
  * found in the LICENSE file at https://angular.dev/license
  */
+import { DiagnosticHandlingStrategy } from '@angular/localize/tools';
 import type { TranslationLoader } from './load-translations';
 export interface LocaleDescription {
     files: {
@@ -24,6 +25,7 @@ export interface I18nOptions {
     flatOutput?: boolean;
     readonly shouldInline: boolean;
     hasDefinedSourceLocale?: boolean;
+    i18nDuplicateTranslation?: DiagnosticHandlingStrategy;
 }
 export declare function createI18nOptions(projectMetadata: {
     i18n?: unknown;
diff --git a/src/utils/load-proxy-config.js b/src/utils/load-proxy-config.js
index fbc440f3..6483d6de 100644
--- a/src/utils/load-proxy-config.js
+++ b/src/utils/load-proxy-config.js
@@ -93,7 +93,7 @@ async function loadProxyConfiguration(root, proxyConfig) {
             }
             catch (e) {
                 (0, error_1.assertIsError)(e);
-                if (e.code === 'ERR_REQUIRE_ESM') {
+                if (e.code === 'ERR_REQUIRE_ESM' || e.code === 'ERR_REQUIRE_ASYNC_MODULE') {
                     // Load the ESM configuration file using the TypeScript dynamic import workaround.
                     // Once TypeScript provides support for keeping the dynamic import this workaround can be
                     // changed to a direct dynamic import.
diff --git a/src/utils/normalize-cache.js b/src/utils/normalize-cache.js
index b4a8c17f..da0e6f07 100644
--- a/src/utils/normalize-cache.js
+++ b/src/utils/normalize-cache.js
@@ -10,7 +10,7 @@ Object.defineProperty(exports, "__esModule", { value: true });
 exports.normalizeCacheOptions = normalizeCacheOptions;
 const node_path_1 = require("node:path");
 /** Version placeholder is replaced during the build process with actual package version */
-const VERSION = '19.2.0-next.2+sha-8f73dad';
+const VERSION = '19.2.15+sha-c6eba4d';
 function hasCacheMetadata(value) {
     return (!!value &&
         typeof value === 'object' &&
diff --git a/src/utils/server-rendering/launch-server.js b/src/utils/server-rendering/launch-server.js
index fcfdd47b..16c899c8 100644
--- a/src/utils/server-rendering/launch-server.js
+++ b/src/utils/server-rendering/launch-server.js
@@ -34,7 +34,7 @@ async function launchServer() {
             // handle request
             if ((0, utils_1.isSsrNodeRequestHandler)(reqHandler)) {
                 await reqHandler(req, res, (e) => {
-                    throw e;
+                    throw e ?? new Error(`Unable to handle request: '${req.url}'.`);
                 });
             }
             else {
diff --git a/src/utils/server-rendering/prerender.js b/src/utils/server-rendering/prerender.js
index e51d7f3b..27270cc5 100644
--- a/src/utils/server-rendering/prerender.js
+++ b/src/utils/server-rendering/prerender.js
@@ -54,7 +54,7 @@ async function prerenderPages(workspaceRoot, baseHref, appShellOptions, prerende
     // Get routes to prerender
     const { errors: extractionErrors, serializedRouteTree: serializableRouteTreeNode, appShellRoute, } = await getAllRoutes(workspaceRoot, baseHref, outputFilesForWorker, assetsReversed, appShellOptions, prerenderOptions, sourcemap, outputMode).catch((err) => {
         return {
-            errors: [`An error occurred while extracting routes.\n\n${err.stack ?? err.message ?? err}`],
+            errors: [`An error occurred while extracting routes.\n\n${err.message ?? err.stack ?? err}`],
             serializedRouteTree: [],
             appShellRoute: undefined,
         };
@@ -150,7 +150,7 @@ async function renderPages(baseHref, sourcemap, serializableRouteTreeNode, maxTh
                 }
             })
                 .catch((err) => {
-                errors.push(`An error occurred while prerendering route '${route}'.\n\n${err.stack ?? err.message ?? err.code ?? err}`);
+                errors.push(`An error occurred while prerendering route '${route}'.\n\n${err.message ?? err.stack ?? err.code ?? err}`);
                 void renderWorker.destroy();
             });
             renderingPromises.push(renderResult);
@@ -222,7 +222,7 @@ async function getAllRoutes(workspaceRoot, baseHref, outputFilesForWorker, asset
         (0, error_1.assertIsError)(err);
         return {
             errors: [
-                `An error occurred while extracting routes.\n\n${err.stack ?? err.message ?? err.code ?? err}`,
+                `An error occurred while extracting routes.\n\n${err.message ?? err.stack ?? err.code ?? err}`,
             ],
             serializedRouteTree: [],
         };
diff --git a/uniqueId b/uniqueId
index 779e5be7..0e4fea35 100644
--- a/uniqueId
+++ b/uniqueId
@@ -1 +1 @@
-Wed Feb 19 2025 21:37:19 GMT+0000 (Coordinated Universal Time)
\ No newline at end of file
+Wed Jun 11 2025 17:17:08 GMT+0000 (Coordinated Universal Time)
\ No newline at end of file