facebook · huntie · May 18, 2026 · May 18, 2026
diff --git a/packages/debugger-shell/package.json b/packages/debugger-shell/package.json
@@ -46,7 +46,7 @@
     "fb-dotslash": "0.5.8"
   },
   "devDependencies": {
-    "electron": "39.0.0",
+    "electron": "43.0.0-alpha.3",
     "semver": "^7.1.3"
   },
   "files": [

diff --git a/packages/debugger-shell/src/electron/AppMenu.js b/packages/debugger-shell/src/electron/AppMenu.js
@@ -0,0 +1,162 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+const {BrowserWindow, Menu, app, nativeImage, shell} =
+  // $FlowFixMe[unclear-type] We have no Flow types for the Electron API.
+  require('electron') as any;
+
+const {isMacOSAtLeast} = require('./utils');
+
+export function configureAppMenu(): void {
+  const template = [
+    ...(process.platform === 'darwin' ? [{role: 'appMenu'}] : []),
+    {
+      label: 'File',
+      submenu: [
+        {
+          label: 'Reload App',
+          ...menuSymbol('arrow.clockwise'),
+          accelerator:
+            process.platform === 'darwin' ? 'Command+R' : 'Control+R',
+          click: () => invokeCommand('inspector-main.reload'),
+        },
+        {
+          label: 'Reload DevTools',
+          ...menuSymbol('none'),
+          accelerator: process.platform === 'darwin' ? 'Option+R' : 'Alt+R',
+          click: () => BrowserWindow.getFocusedWindow()?.webContents.reload(),
+        },
+        {type: 'separator'},
+        {
+          label: 'Quick Open…',
+          ...menuSymbol('doc.text.magnifyingglass'),
+          accelerator:
+            process.platform === 'darwin' ? 'Command+P' : 'Control+P',
+          click: () => invokeCommand('quick-open.show'),
+        },
+        {type: 'separator'},
+        {role: 'close'},
+      ],
+    },
+    {
+      label: 'Edit',
+      submenu: [
+        {role: 'undo'},
+        {role: 'redo'},
+        {type: 'separator'},
+        {role: 'cut'},
+        {role: 'copy'},
+        {role: 'paste'},
+        {role: 'selectAll'},
+      ],
+    },
+    {
+      label: 'View',
+      submenu: [
+        {
+          label: 'Command Palette…',
+          ...menuSymbol('filemenu.and.selection'),
+          accelerator:
+            process.platform === 'darwin'
+              ? 'Command+Shift+P'
+              : 'Control+Shift+P',
+          click: () => invokeCommand('quick-open.show-command-menu'),
+        },
+        {type: 'separator'},
+        // Enable Developer Tools only in development
+        ...(!app.isPackaged
+          ? [{type: 'separator'}, {role: 'toggleDevTools'}]
+          : []),
+        {type: 'separator'},
+        {role: 'resetZoom'},
+        {role: 'zoomIn'},
+        {role: 'zoomOut'},
+        {type: 'separator'},
+        {role: 'togglefullscreen'},
+      ],
+    },
+    {role: 'windowMenu'},
+    {
+      role: 'help',
+      submenu: [
+        {
+          label: 'Keyboard Shortcuts',
+          ...menuSymbol('keyboard'),
+          click: () => invokeCommand('settings.shortcuts'),
+        },
+        {type: 'separator'},
+        {
+          label: 'React Native Website',
+          ...menuSymbol('text.rectangle.page'),
+          click: () => shell.openExternal('https://reactnative.dev'),
+        },
+        {
+          label: 'Release Notes',
+          ...menuSymbol('none'),
+          click: () =>
+            shell.openExternal(
+              'https://github.com/facebook/react-native/releases',
+            ),
+        },
+      ],
+    },
+  ];
+  const menu = Menu.buildFromTemplate(template);
+  Menu.setApplicationMenu(menu);
+}
+
+function menuSymbol(symbolName: string): {icon?: unknown} {
+  if (!isMacOSAtLeast(26)) {
+    return {};
+  }
+  return {
+    icon:
+      symbolName === 'none'
+        ? createMenuSpacer()
+        : nativeImage.createMenuSymbol(symbolName),
+  };
+}
+
+function createMenuSpacer() {
+  const size = 16;
+  const buf = Buffer.alloc(size * size * 4);
+
+  for (let i = 0; i < buf.length; i += 4) {
+    buf[i] = 0; // R
+    buf[i + 1] = 0; // G
+    buf[i + 2] = 0; // B
+    buf[i + 3] = 1; // A
+  }
+
+  const spacer = nativeImage.createFromBitmap(buf, {
+    width: size,
+    height: size,
+  });
+
+  // On macOS, mark as template so it lives in the same gutter as other
+  // template icons and adapts to light/dark menu bars.
+  if (process.platform === 'darwin') {
+    spacer.setTemplateImage(true);
+  }
+
+  return spacer;
+}
+
+function invokeCommand(commandId: string): void {
+  const win = BrowserWindow.getFocusedWindow();
+  win.webContents.executeJavaScript(
+    `(async () => {
+      const UI = await import('./ui/legacy/legacy.js');
+      return UI.ActionRegistry.ActionRegistry.instance()
+        .getAction(${JSON.stringify(commandId)})?.execute();
+    })()`,
+    true,
+  );
+}
diff --git a/packages/debugger-shell/src/electron/MainInstanceEntryPoint.js b/packages/debugger-shell/src/electron/MainInstanceEntryPoint.js
@@ -8,13 +8,14 @@
  * @format
  */
 
+import {configureAppMenu} from './AppMenu.js';
 import SettingsStore from './SettingsStore.js';
 
 const path = require('path');
 const util = require('util');
 
 // $FlowFixMe[unclear-type] We have no Flow types for the Electron API.
-const {BrowserWindow, Menu, app, shell, ipcMain} = require('electron') as any;
+const {BrowserWindow, app, shell, ipcMain} = require('electron') as any;
 
 const appSettings = new SettingsStore();
 const windowMetadata = new WeakMap<
@@ -102,34 +103,6 @@ function handleLaunchArgs(argv: string[]) {
   frontendWindow.focus();
 }
 
-function configureAppMenu() {
-  const template = [
-    ...(process.platform === 'darwin' ? [{role: 'appMenu'}] : []),
-    {role: 'fileMenu'},
-    {role: 'editMenu'},
-    {role: 'viewMenu'},
-    {role: 'windowMenu'},
-    {
-      role: 'help',
-      submenu: [
-        {
-          label: 'React Native Website',
-          click: () => shell.openExternal('https://reactnative.dev'),
-        },
-        {
-          label: 'Release Notes',
-          click: () =>
-            shell.openExternal(
-              'https://github.com/facebook/react-native/releases',
-            ),
-        },
-      ],
-    },
-  ];
-  const menu = Menu.buildFromTemplate(template);
-  Menu.setApplicationMenu(menu);
-}
-
 function getSavedWindowPosition(
   windowKey: string,
 ): ?{width: number, height: number, x?: number, y?: number} {

diff --git a/packages/debugger-shell/src/electron/utils.js b/packages/debugger-shell/src/electron/utils.js
@@ -0,0 +1,18 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+/** Equivalent of Swift's `if #available(macOS 26, *)`. */
+export function isMacOSAtLeast(major: number): boolean {
+  return (
+    process.platform === 'darwin' &&
+    // $FlowFixMe[prop-missing]
+    Number.parseInt(process.getSystemVersion().split('.')[0], 10) >= major
+  );
+}
diff --git a/yarn.lock b/yarn.lock
@@ -1094,10 +1094,10 @@
     glob "^7.1.6"
     minimatch "^3.0.4"
 
-"@electron/get@^2.0.0":
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/@electron/get/-/get-2.0.3.tgz#fba552683d387aebd9f3fcadbcafc8e12ee4f960"
-  integrity sha512-Qkzpg2s9GnVV2I2BjRksUi43U5e6+zaQMcjoJy0C+C5oxaKl+fmckGDQFtRpZpZV0NQekuZZ+tGz7EA9TVnQtQ==
+"@electron/get@^3.0.0":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@electron/get/-/get-3.1.0.tgz#22c5a0bd917ab201badeb77bc4ad18cba54cb4ec"
+  integrity sha512-F+nKc0xW+kVbBRhFzaMgPy3KwmuNTYX1fx6+FxxoSnNgwYX6LD7AKBTWkU0MQ6IBoe7dz069CNkR673sPAgkCQ==
   dependencies:
     debug "^4.1.1"
     env-paths "^2.2.0"
@@ -1109,20 +1109,19 @@
   optionalDependencies:
     global-agent "^3.0.0"
 
-"@electron/get@^3.0.0":
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/@electron/get/-/get-3.1.0.tgz#22c5a0bd917ab201badeb77bc4ad18cba54cb4ec"
-  integrity sha512-F+nKc0xW+kVbBRhFzaMgPy3KwmuNTYX1fx6+FxxoSnNgwYX6LD7AKBTWkU0MQ6IBoe7dz069CNkR673sPAgkCQ==
+"@electron/get@^5.0.0":
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/@electron/get/-/get-5.0.0.tgz#3c7ec0e26480ce51a487d54c8a10233460531021"
+  integrity sha512-pjoBpru1KdEtcExBnuHAP1cAc/5faoedw0hzJkL3o4/IJp7HNF1+fbrdxT3gMYRX2oJfvnA/WXeCTVQpYYxyJA==
   dependencies:
     debug "^4.1.1"
-    env-paths "^2.2.0"
-    fs-extra "^8.1.0"
-    got "^11.8.5"
+    env-paths "^3.0.0"
+    graceful-fs "^4.2.11"
     progress "^2.0.3"
-    semver "^6.2.0"
+    semver "^7.6.3"
     sumchecker "^3.0.1"
   optionalDependencies:
-    global-agent "^3.0.0"
+    undici "^7.24.4"
 
 "@electron/notarize@^2.1.0":
   version "2.5.0"
@@ -2252,13 +2251,20 @@
   resolved "https://registry.yarnpkg.com/@types/ms/-/ms-2.1.0.tgz#052aa67a48eccc4309d7f0191b7e41434b90bb78"
   integrity sha512-GsCCIZDE/p3i96vtEqx+7dBUGXrc7zeSK3wwPHIaRThS+9OhWIXRqzs4d6k1SVU8g91DrNRWxWUGhp5KXQb2VA==
 
-"@types/node@*", "@types/node@^22.7.7":
+"@types/node@*":
   version "22.15.18"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-22.15.18.tgz#2f8240f7e932f571c2d45f555ba0b6c3f7a75963"
   integrity sha512-v1DKRfUdyW+jJhZNEI1PYy29S2YRxMV5AOO/x/SjKmW0acCIOqmbj6Haf9eHAhsPmrhlHSxEhv/1WszcLWV4cg==
   dependencies:
     undici-types "~6.21.0"
 
+"@types/node@^24.9.0":
+  version "24.12.4"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-24.12.4.tgz#2709745569811dcbdc57c097fafdd387c6330382"
+  integrity sha512-GUUEShf+PBCGW2KaXwcIt3Yk+e3pkKwWKb9GSyM9WQVE+ep2jzmHdGsHzu4wgcZy5fN9FBdVzjpBQsYlpfpgLA==
+  dependencies:
+    undici-types "~7.16.0"
+
 "@types/react@^19.1.0":
   version "19.1.8"
   resolved "https://registry.yarnpkg.com/@types/react/-/react-19.1.8.tgz#ff8395f2afb764597265ced15f8dddb0720ae1c3"
@@ -3949,13 +3955,13 @@ electron-to-chromium@^1.5.73:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.5.113.tgz#1175b8ba4170541e44e9afa8b992e5bbfff0d150"
   integrity sha512-wjT2O4hX+wdWPJ76gWSkMhcHAV2PTMX+QetUCPYEdCIe+cxmgzzSSiGRCKW8nuh4mwKZlpv0xvoW7OF2X+wmHg==
 
-electron@39.0.0:
-  version "39.0.0"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-39.0.0.tgz#6906720c5bd3c40f98f6e01802fdc301654c4550"
-  integrity sha512-UejnuOK4jpRZUq7MkEAnR/szsRWLKBJAdvn6j3xdQLT57fVv13VSNdaUHHjSheaqGzNhCGIdkPsPJnGJVh5kiA==
+electron@43.0.0-alpha.3:
+  version "43.0.0-alpha.3"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-43.0.0-alpha.3.tgz#467d87092f201b0e45336e8c0a7a5bdfe573da9c"
+  integrity sha512-O1q0JpdHnQ8WCSfZl2krebLC/bLoGn9Y0A3FA1dcNiol8XIVfZ3XtmoavUItITye38a4tTQdgzqgcVORMCchRQ==
   dependencies:
-    "@electron/get" "^2.0.0"
-    "@types/node" "^22.7.7"
+    "@electron/get" "^5.0.0"
+    "@types/node" "^24.9.0"
     extract-zip "^2.0.1"
 
 emittery@^0.13.1:
@@ -4005,6 +4011,11 @@ env-paths@^2.2.0, env-paths@^2.2.1:
   resolved "https://registry.yarnpkg.com/env-paths/-/env-paths-2.2.1.tgz#420399d416ce1fbe9bc0a07c62fa68d67fd0f8f2"
   integrity sha512-+h1lkLKhZMTYjog1VEpJNG7NZJWcuc2DDk/qsqSTRRCOXiLjeQ1d1/udrUGhqMxUgAlwKNZ0cf2uqan5GLuS2A==
 
+env-paths@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/env-paths/-/env-paths-3.0.0.tgz#2f1e89c2f6dbd3408e1b1711dd82d62e317f58da"
+  integrity sha512-dtJUTepzMW3Lm/NPxRf3wP4642UWhjL2sQxc+ym2YMj1m/H2zDNQOlezafzkHwn6sMstjHTwG6iQQsctDW/b1A==
+
 envinfo@^7.13.0:
   version "7.13.0"
   resolved "https://registry.yarnpkg.com/envinfo/-/envinfo-7.13.0.tgz#81fbb81e5da35d74e814941aeab7c325a606fb31"
@@ -5136,7 +5147,7 @@ got@^11.8.5:
     p-cancelable "^2.0.0"
     responselike "^2.0.0"
 
-graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.6, graceful-fs@^4.2.0, graceful-fs@^4.2.4, graceful-fs@^4.2.9:
+graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.6, graceful-fs@^4.2.0, graceful-fs@^4.2.11, graceful-fs@^4.2.4, graceful-fs@^4.2.9:
   version "4.2.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.11.tgz#4183e4e8bf08bb6e05bbb2f7d2e0c8f712ca40e3"
   integrity sha512-RbJ5/jmFcNNCcDV5o9eTnBLJ/HszWV0P73bc+Ff4nS/rJj+YaS6IGyiOL0VoBYX+l1Wrl3k63h/KrH+nhJ0XvQ==
@@ -8447,7 +8458,7 @@ semver@^7.1.3, semver@^7.3.2, semver@^7.3.5, semver@^7.3.7, semver@^7.5.2, semve
   resolved "https://registry.yarnpkg.com/semver/-/semver-7.7.2.tgz#67d99fdcd35cec21e6f8b87a7fd515a33f982b58"
   integrity sha512-RF0Fw+rO5AMf9MAyaRXI4AV0Ulj5lMHqVxxdSgiVbixSCXoEmmX/jk0CuJw4+3SqroYO9VoUh+HcuJivvtJemA==
 
-semver@^7.7.3:
+semver@^7.6.3, semver@^7.7.3:
   version "7.8.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-7.8.0.tgz#ed0661039fcbcda2ce71f01fa6adbefaa77040df"
   integrity sha512-AcM7dV/5ul4EekoQ29Agm5vri8JNqRyj39o0qpX6vDF2GZrtutZl5RwgD1XnZjiTAfncsJhMI48QQH3sN87YNA==
@@ -9315,11 +9326,21 @@ undici-types@~6.21.0:
   resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-6.21.0.tgz#691d00af3909be93a7faa13be61b3a5b50ef12cb"
   integrity sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==
 
+undici-types@~7.16.0:
+  version "7.16.0"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-7.16.0.tgz#ffccdff36aea4884cbfce9a750a0580224f58a46"
+  integrity sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==
+
 undici@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/undici/-/undici-6.23.0.tgz#7953087744d9095a96f115de3140ca3828aff3a4"
   integrity sha512-VfQPToRA5FZs/qJxLIinmU59u0r7LXqoJkCzinq3ckNJp3vKEh7jTWN589YQ5+aoAC/TGRLyJLCPKcLQbM8r9g==
 
+undici@^7.24.4:
+  version "7.25.0"
+  resolved "https://registry.yarnpkg.com/undici/-/undici-7.25.0.tgz#7d72fc429a0421769ca2966fd07cac875c85b781"
+  integrity sha512-xXnp4kTyor2Zq+J1FfPI6Eq3ew5h6Vl0F/8d9XU5zZQf1tX9s2Su1/3PiMmUANFULpmksxkClamIZcaUqryHsQ==
+
 unicode-canonical-property-names-ecmascript@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-2.0.0.tgz#301acdc525631670d39f6146e0e77ff6bbdebddc"