[pull] main from microsoft:main

.eslint-plugin-local/code-no-declare-const-enum.ts

@@ -0,0 +1,52 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as eslint from 'eslint';
+
+/**
+ * Disallows `declare const enum` declarations. esbuild does not inline
+ * `declare const enum` values, leaving the enum identifier in the output
+ * which causes a ReferenceError at runtime.
+ *
+ * Use `const enum` (without `declare`) instead.
+ *
+ * See https://github.com/evanw/esbuild/issues/4394
+ */
+export default new class NoDeclareConstEnum implements eslint.Rule.RuleModule {
+
+	readonly meta: eslint.Rule.RuleMetaData = {
+		messages: {
+			noDeclareConstEnum: '"declare const enum" is not supported by esbuild. Use "const enum" instead. See https://github.com/evanw/esbuild/issues/4394',
+		},
+		schema: false,
+		fixable: 'code',
+	};
+
+	create(context: eslint.Rule.RuleContext): eslint.Rule.RuleListener {
+		return {
+			TSEnumDeclaration(node: any) {
+				if (node.const && node.declare) {
+					context.report({
+						node,
+						messageId: 'noDeclareConstEnum',
+						fix: (fixer) => {
+							// Remove "declare " from "declare const enum"
+							const sourceCode = context.sourceCode;
+							const text = sourceCode.getText(node);
+							const declareIndex = text.indexOf('declare');
+							if (declareIndex !== -1) {
+								return fixer.removeRange([
+									node.range[0] + declareIndex,
+									node.range[0] + declareIndex + 'declare '.length
+								]);
+							}
+							return null;
+						}
+					});
+				}
+			}
+		};
+	}
+};

build/win32/code.iss

@@ -1508,7 +1508,7 @@ var
 begin
   // Check if the user has forced Windows 10 style context menus on Windows 11
   SubKey := 'Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}\InprocServer32';
-  Result := RegKeyExists(HKEY_CURRENT_USER, SubKey) or RegKeyExists(HKEY_LOCAL_MACHINE, SubKey);
+  Result := RegKeyExists(HKEY_CURRENT_USER, SubKey);
 end;
 
 function ShouldUseWindows11ContextMenu(): Boolean;
@@ -1675,6 +1675,12 @@ begin
   if CurStep = ssPostInstall then
   begin
 #ifdef AppxPackageName
+    // Remove the appx package when user has forced Windows 10 context menus via
+    // registry. This handles the case where the user previously had the appx
+    // installed but now wants the classic context menu style.
+    if IsWindows10ContextMenuForced() then begin
+      RemoveAppxPackage();
+    end;
     // Remove the old context menu registry keys
     if ShouldUseWindows11ContextMenu() then begin
       RegDeleteKeyIncludingSubkeys({#EnvironmentRootKey}, 'Software\Classes\*\shell\{#RegValueName}');

eslint.config.js

@@ -78,6 +78,7 @@ export default tseslint.config(
 			'semi': 'warn',
 			'local/code-translation-remind': 'warn',
 			'local/code-no-native-private': 'warn',
+			'local/code-no-declare-const-enum': 'warn',
 			'local/code-parameter-properties-must-have-explicit-accessibility': 'warn',
 			'local/code-no-nls-in-standalone-editor': 'warn',
 			'local/code-no-potentially-unsafe-disposables': 'warn',

extensions/theme-2026/themes/styles.css

@@ -199,6 +199,14 @@
 	outline: none !important;
 }
 
+.monaco-workbench .quick-input-widget .quick-input-list .monaco-list-rows {
+	background: transparent !important;
+}
+
+.monaco-workbench.vs .quick-input-widget .quick-input-list .monaco-list-row:hover:not(.selected):not(.focused) {
+	background-color: color-mix(in srgb, var(--vscode-list-hoverBackground) 95%, black) !important;
+}
+
 .monaco-workbench .monaco-editor .suggest-widget .monaco-list {
 	border-radius: var(--radius-lg);
 }
@@ -682,3 +690,167 @@
 	opacity: 1;
 	color: var(--vscode-descriptionForeground);
 }
+
+/* ============================================================================================
+ * Reduced Transparency - disable backdrop-filter blur and color-mix transparency effects
+ * for improved rendering performance. Controlled by workbench.reduceTransparency setting.
+ * ============================================================================================ */
+
+/* Reset blur variables to none */
+.monaco-workbench.monaco-reduce-transparency {
+	--backdrop-blur-sm: none;
+	--backdrop-blur-md: none;
+	--backdrop-blur-lg: none;
+}
+
+/* Quick Input (Command Palette) */
+.monaco-workbench.monaco-reduce-transparency .quick-input-widget {
+	background-color: var(--vscode-quickInput-background) !important;
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+}
+
+/* Notifications */
+.monaco-workbench.monaco-reduce-transparency .notification-toast-container {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+	background: var(--vscode-notifications-background) !important;
+}
+
+.monaco-workbench.monaco-reduce-transparency .notifications-center {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+	background: var(--vscode-notifications-background) !important;
+}
+
+/* Context Menu / Action Widget */
+.monaco-workbench.monaco-reduce-transparency .action-widget {
+	background: var(--vscode-menu-background) !important;
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+}
+
+/* Suggest Widget */
+.monaco-workbench.monaco-reduce-transparency .monaco-editor .suggest-widget {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+	background: var(--vscode-editorSuggestWidget-background) !important;
+}
+
+/* Find Widget */
+.monaco-workbench.monaco-reduce-transparency .monaco-editor .find-widget {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+}
+
+.monaco-workbench.monaco-reduce-transparency .inline-chat-gutter-menu {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+}
+
+/* Dialog */
+.monaco-workbench.monaco-reduce-transparency .monaco-dialog-box {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+	background: var(--vscode-editor-background) !important;
+}
+
+/* Peek View */
+.monaco-workbench.monaco-reduce-transparency .monaco-editor .peekview-widget {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+	background: var(--vscode-peekViewEditor-background) !important;
+}
+
+/* Hover */
+.monaco-reduce-transparency .monaco-hover {
+	background-color: var(--vscode-editorHoverWidget-background) !important;
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+}
+
+.monaco-reduce-transparency .monaco-hover.workbench-hover,
+.monaco-reduce-transparency .workbench-hover {
+	background-color: var(--vscode-editorHoverWidget-background) !important;
+	-webkit-backdrop-filter: none !important;
+	backdrop-filter: none !important;
+}
+
+/* Keybinding Widget */
+.monaco-workbench.monaco-reduce-transparency .defineKeybindingWidget {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+}
+
+/* Chat Editor Overlay */
+.monaco-workbench.monaco-reduce-transparency .chat-editor-overlay-widget,
+.monaco-workbench.monaco-reduce-transparency .chat-diff-change-content-widget {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+}
+
+/* Debug Toolbar */
+.monaco-workbench.monaco-reduce-transparency .debug-toolbar {
+	-webkit-backdrop-filter: none !important;
+	backdrop-filter: none !important;
+}
+
+.monaco-workbench.monaco-reduce-transparency .debug-hover-widget {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+}
+
+/* Parameter Hints */
+.monaco-workbench.monaco-reduce-transparency .monaco-editor .parameter-hints-widget {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+	background: var(--vscode-editorWidget-background) !important;
+}
+
+/* Sticky Scroll */
+.monaco-workbench.monaco-reduce-transparency .monaco-editor .sticky-widget {
+	-webkit-backdrop-filter: none !important;
+	backdrop-filter: none !important;
+	background: var(--vscode-editor-background) !important;
+}
+
+.monaco-workbench.monaco-reduce-transparency .monaco-editor .sticky-widget .sticky-widget-lines {
+	-webkit-backdrop-filter: none !important;
+	backdrop-filter: none !important;
+	background: var(--vscode-editor-background) !important;
+}
+
+/* Rename Box */
+.monaco-reduce-transparency .monaco-editor .rename-box.preview {
+	-webkit-backdrop-filter: none !important;
+	backdrop-filter: none !important;
+}
+
+/* Notebook */
+.monaco-workbench.monaco-reduce-transparency .notebookOverlay .monaco-list-row .cell-title-toolbar {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+}
+
+/* Command Center */
+.monaco-workbench.monaco-reduce-transparency .part.titlebar > .titlebar-container > .titlebar-center > .window-title > .command-center .action-item.command-center-center {
+	background: var(--vscode-commandCenter-background) !important;
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+}
+
+.monaco-workbench.monaco-reduce-transparency .part.titlebar > .titlebar-container > .titlebar-center > .window-title > .command-center .action-item.command-center-center:hover {
+	background: var(--vscode-commandCenter-activeBackground) !important;
+}
+
+/* Breadcrumbs */
+.monaco-workbench.monaco-reduce-transparency .breadcrumbs-picker-widget {
+	-webkit-backdrop-filter: none;
+	backdrop-filter: none;
+	background: var(--vscode-breadcrumbPicker-background) !important;
+}
+
+/* Quick Input filter input */
+.monaco-workbench.monaco-reduce-transparency .quick-input-widget .quick-input-filter .monaco-inputbox {
+	background: var(--vscode-input-background) !important;
+}

package.json

@@ -80,7 +80,7 @@
     "@microsoft/1ds-post-js": "^3.2.13",
     "@parcel/watcher": "^2.5.6",
     "@types/semver": "^7.5.8",
-    "@vscode/codicons": "^0.0.45-6",
+    "@vscode/codicons": "^0.0.45-7",
     "@vscode/deviceid": "^0.1.1",
     "@vscode/iconv-lite-umd": "0.7.1",
     "@vscode/native-watchdog": "^1.4.6",

remote/web/package.json

@@ -5,7 +5,7 @@
   "dependencies": {
     "@microsoft/1ds-core-js": "^3.2.13",
     "@microsoft/1ds-post-js": "^3.2.13",
-    "@vscode/codicons": "^0.0.45-6",
+    "@vscode/codicons": "^0.0.45-7",
     "@vscode/iconv-lite-umd": "0.7.1",
     "@vscode/tree-sitter-wasm": "^0.3.0",
     "@vscode/vscode-languagedetection": "1.0.21",

src/vs/base/browser/ui/dialog/dialog.ts

@@ -58,6 +58,7 @@ export interface IDialogOptions {
 	readonly disableCloseAction?: boolean;
 	readonly disableCloseButton?: boolean;
 	readonly disableDefaultAction?: boolean;
+	readonly onVisibilityChange?: (window: Window, visible: boolean) => void;
 	readonly buttonStyles: IButtonStyles;
 	readonly checkboxStyles: ICheckboxStyles;
 	readonly inputBoxStyles: IInputBoxStyles;
@@ -536,6 +537,10 @@ export class Dialog extends Disposable {
 			this.element.setAttribute('aria-describedby', 'monaco-dialog-icon monaco-dialog-message-text monaco-dialog-message-detail monaco-dialog-message-body monaco-dialog-footer');
 			show(this.element);
 
+			// Notify visibility change
+			this.options.onVisibilityChange?.(window, true);
+			this._register(toDisposable(() => this.options.onVisibilityChange?.(window, false)));
+
 			// Focus first element (input or button)
 			if (this.inputs.length > 0) {
 				this.inputs[0].focus();

src/vs/base/common/codiconsLibrary.ts

@@ -654,4 +654,5 @@ export const codiconsLibrary = {
 	ask: register('ask', 0xec80),
 	openai: register('openai', 0xec81),
 	claude: register('claude', 0xec82),
+	openInWindow: register('open-in-window', 0xec83),
 } as const;

src/vs/editor/common/languageFeatureRegistry.ts

@@ -6,7 +6,7 @@
 import { Emitter } from '../../base/common/event.js';
 import { IDisposable, toDisposable } from '../../base/common/lifecycle.js';
 import { ITextModel, shouldSynchronizeModel } from './model.js';
-import { LanguageFilter, LanguageSelector, score } from './languageSelector.js';
+import { LanguageFilter, LanguageSelector, score, selectLanguageIds } from './languageSelector.js';
 import { URI } from '../../base/common/uri.js';
 
 interface Entry<T> {
@@ -115,6 +115,14 @@ export class LanguageFeatureRegistry<T> {
 		return this._entries.map(entry => entry.provider);
 	}
 
+	get registeredLanguageIds(): ReadonlySet<string> {
+		const result = new Set<string>();
+		for (const entry of this._entries) {
+			selectLanguageIds(entry.selector, result);
+		}
+		return result;
+	}
+
 	ordered(model: ITextModel, recursive = false): T[] {
 		const result: T[] = [];
 		this._orderedForEach(model, recursive, entry => result.push(entry.provider));
@@ -226,4 +234,3 @@ function isBuiltinSelector(selector: LanguageSelector): boolean {
 
 	return Boolean((selector as LanguageFilter).isBuiltin);
 }
-