chore(release): v0.34.0-preview.1

Co-authored-by: Jack Wotherspoon <jackwoth@google.com>
Co-authored-by: Christine Betts <chrstn@uw.edu>

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.34.0-nightly.20260310.4653b126f",
+  "version": "0.34.0-preview.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@google/gemini-cli",
-      "version": "0.34.0-nightly.20260310.4653b126f",
+      "version": "0.34.0-preview.1",
       "workspaces": [
         "packages/*"
       ],
@@ -16815,7 +16815,7 @@
     },
     "packages/a2a-server": {
       "name": "@google/gemini-cli-a2a-server",
-      "version": "0.34.0-nightly.20260310.4653b126f",
+      "version": "0.34.0-preview.1",
       "dependencies": {
         "@a2a-js/sdk": "0.3.11",
         "@google-cloud/storage": "^7.16.0",
@@ -16930,7 +16930,7 @@
     },
     "packages/cli": {
       "name": "@google/gemini-cli",
-      "version": "0.34.0-nightly.20260310.4653b126f",
+      "version": "0.34.0-preview.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@agentclientprotocol/sdk": "^0.12.0",
@@ -17102,7 +17102,7 @@
     },
     "packages/core": {
       "name": "@google/gemini-cli-core",
-      "version": "0.34.0-nightly.20260310.4653b126f",
+      "version": "0.34.0-preview.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@a2a-js/sdk": "0.3.11",
@@ -17358,7 +17358,7 @@
     },
     "packages/devtools": {
       "name": "@google/gemini-cli-devtools",
-      "version": "0.34.0-nightly.20260310.4653b126f",
+      "version": "0.34.0-preview.1",
       "license": "Apache-2.0",
       "dependencies": {
         "ws": "^8.16.0"
@@ -17373,7 +17373,7 @@
     },
     "packages/sdk": {
       "name": "@google/gemini-cli-sdk",
-      "version": "0.34.0-nightly.20260310.4653b126f",
+      "version": "0.34.0-preview.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@google/gemini-cli-core": "file:../core",
@@ -17390,7 +17390,7 @@
     },
     "packages/test-utils": {
       "name": "@google/gemini-cli-test-utils",
-      "version": "0.34.0-nightly.20260310.4653b126f",
+      "version": "0.34.0-preview.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@google/gemini-cli-core": "file:../core",
@@ -17407,7 +17407,7 @@
     },
     "packages/vscode-ide-companion": {
       "name": "gemini-cli-vscode-ide-companion",
-      "version": "0.34.0-nightly.20260310.4653b126f",
+      "version": "0.34.0-preview.1",
       "license": "LICENSE",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.23.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.34.0-nightly.20260310.4653b126f",
+  "version": "0.34.0-preview.1",
   "engines": {
     "node": ">=20.0.0"
   },
@@ -14,7 +14,7 @@
     "url": "git+https://github.com/google-gemini/gemini-cli.git"
   },
   "config": {
-    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.34.0-nightly.20260310.4653b126f"
+    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.34.0-preview.1"
   },
   "scripts": {
     "start": "cross-env NODE_ENV=development node scripts/start.js",

packages/a2a-server/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-a2a-server",
-  "version": "0.34.0-nightly.20260310.4653b126f",
+  "version": "0.34.0-preview.1",
   "description": "Gemini CLI A2A Server",
   "repository": {
     "type": "git",

packages/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.34.0-nightly.20260310.4653b126f",
+  "version": "0.34.0-preview.1",
   "description": "Gemini CLI",
   "license": "Apache-2.0",
   "repository": {
@@ -26,7 +26,7 @@
     "dist"
   ],
   "config": {
-    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.34.0-nightly.20260310.4653b126f"
+    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.34.0-preview.1"
   },
   "dependencies": {
     "@agentclientprotocol/sdk": "^0.12.0",

packages/cli/src/config/extension-manager.test.ts

@@ -12,12 +12,13 @@ import { ExtensionManager } from './extension-manager.js';
 import { createTestMergedSettings } from './settings.js';
 import { createExtension } from '../test-utils/createExtension.js';
 import { EXTENSIONS_DIRECTORY_NAME } from './extensions/variables.js';
+import { themeManager } from '../ui/themes/theme-manager.js';
 import {
   TrustLevel,
   loadTrustedFolders,
   isWorkspaceTrusted,
 } from './trustedFolders.js';
-import { getRealPath } from '@google/gemini-cli-core';
+import { getRealPath, type CustomTheme } from '@google/gemini-cli-core';
 import type { MergedSettings } from './settings.js';
 
 const mockHomedir = vi.hoisted(() => vi.fn(() => '/tmp/mock-home'));
@@ -39,6 +40,26 @@ vi.mock('@google/gemini-cli-core', async (importOriginal) => {
   };
 });
 
+const testTheme: CustomTheme = {
+  type: 'custom',
+  name: 'MyTheme',
+  background: {
+    primary: '#282828',
+    diff: { added: '#2b3312', removed: '#341212' },
+  },
+  text: {
+    primary: '#ebdbb2',
+    secondary: '#a89984',
+    link: '#83a598',
+    accent: '#d3869b',
+  },
+  status: {
+    success: '#b8bb26',
+    warning: '#fabd2f',
+    error: '#fb4934',
+  },
+};
+
 describe('ExtensionManager', () => {
   let tempHomeDir: string;
   let tempWorkspaceDir: string;
@@ -66,6 +87,7 @@ describe('ExtensionManager', () => {
   });
 
   afterEach(() => {
+    themeManager.clearExtensionThemes();
     try {
       fs.rmSync(tempHomeDir, { recursive: true, force: true });
     } catch (_e) {
@@ -485,4 +507,45 @@ describe('ExtensionManager', () => {
       ).rejects.toThrow(/already installed/);
     });
   });
+
+  describe('early theme registration', () => {
+    it('should register themes with ThemeManager during loadExtensions for active extensions', async () => {
+      createExtension({
+        extensionsDir: userExtensionsDir,
+        name: 'themed-ext',
+        version: '1.0.0',
+        themes: [testTheme],
+      });
+
+      await extensionManager.loadExtensions();
+
+      expect(themeManager.getCustomThemeNames()).toContain(
+        'MyTheme (themed-ext)',
+      );
+    });
+
+    it('should not register themes for inactive extensions', async () => {
+      createExtension({
+        extensionsDir: userExtensionsDir,
+        name: 'disabled-ext',
+        version: '1.0.0',
+        themes: [testTheme],
+      });
+
+      // Disable the extension by creating an enablement override
+      const manager = new ExtensionManager({
+        enabledExtensionOverrides: ['none'],
+        settings: createTestMergedSettings(),
+        workspaceDir: tempWorkspaceDir,
+        requestConsent: vi.fn().mockResolvedValue(true),
+        requestSetting: null,
+      });
+
+      await manager.loadExtensions();
+
+      expect(themeManager.getCustomThemeNames()).not.toContain(
+        'MyTheme (disabled-ext)',
+      );
+    });
+  });
 });

packages/cli/src/config/extension-manager.ts

@@ -564,7 +564,7 @@ Would you like to attempt to install via "git clone" instead?`,
 
   protected override async startExtension(extension: GeminiCLIExtension) {
     await super.startExtension(extension);
-    if (extension.themes) {
+    if (extension.themes && !themeManager.hasExtensionThemes(extension.name)) {
       themeManager.registerExtensionThemes(extension.name, extension.themes);
     }
   }
@@ -624,6 +624,13 @@ Would you like to attempt to install via "git clone" instead?`,
 
         this.loadedExtensions = builtExtensions;
 
+        // Register extension themes early so they're available at startup.
+        for (const ext of this.loadedExtensions) {
+          if (ext.isActive && ext.themes) {
+            themeManager.registerExtensionThemes(ext.name, ext.themes);
+          }
+        }
+
         await Promise.all(
           this.loadedExtensions.map((ext) => this.maybeStartExtension(ext)),
         );

packages/cli/src/ui/themes/theme-manager.ts

@@ -241,6 +241,17 @@ class ThemeManager {
     }
   }
 
+  /**
+   * Checks if themes for a given extension are already registered.
+   * @param extensionName The name of the extension.
+   * @returns True if any themes from the extension are registered.
+   */
+  hasExtensionThemes(extensionName: string): boolean {
+    return Array.from(this.extensionThemes.keys()).some((name) =>
+      name.endsWith(`(${extensionName})`),
+    );
+  }
+
   /**
    * Clears all registered extension themes.
    * This is primarily for testing purposes to reset state between tests.

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-core",
-  "version": "0.34.0-nightly.20260310.4653b126f",
+  "version": "0.34.0-preview.1",
   "description": "Gemini CLI Core",
   "license": "Apache-2.0",
   "repository": {

packages/devtools/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-devtools",
-  "version": "0.34.0-nightly.20260310.4653b126f",
+  "version": "0.34.0-preview.1",
   "license": "Apache-2.0",
   "type": "module",
   "main": "dist/src/index.js",

packages/sdk/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-sdk",
-  "version": "0.34.0-nightly.20260310.4653b126f",
+  "version": "0.34.0-preview.1",
   "description": "Gemini CLI SDK",
   "license": "Apache-2.0",
   "repository": {

packages/test-utils/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-test-utils",
-  "version": "0.34.0-nightly.20260310.4653b126f",
+  "version": "0.34.0-preview.1",
   "private": true,
   "main": "src/index.ts",
   "license": "Apache-2.0",

packages/vscode-ide-companion/package.json

@@ -2,7 +2,7 @@
   "name": "gemini-cli-vscode-ide-companion",
   "displayName": "Gemini CLI Companion",
   "description": "Enable Gemini CLI with direct access to your IDE workspace.",
-  "version": "0.34.0-nightly.20260310.4653b126f",
+  "version": "0.34.0-preview.1",
   "publisher": "google",
   "icon": "assets/icon.png",
   "repository": {