diff --git a/Composer/packages/electron-server/.gitignore b/Composer/packages/electron-server/.gitignore
index d5bff0464b..a0029fa641 100644
--- a/Composer/packages/electron-server/.gitignore
+++ b/Composer/packages/electron-server/.gitignore
@@ -3,3 +3,5 @@ dist/
 locales/en-US-pseudo.json
 l10ntemp/
 oneauth-temp
+customElectron
+electron-builder-config-*.json
diff --git a/Composer/packages/electron-server/electron-builder-config.json b/Composer/packages/electron-server/electron-builder-config.json
index 3e7ab9c4f3..38d1f6bb61 100644
--- a/Composer/packages/electron-server/electron-builder-config.json
+++ b/Composer/packages/electron-server/electron-builder-config.json
@@ -3,9 +3,6 @@
   "asar": true,
   "appId": "com.microsoft.botframework.composer",
   "copyright": "Copyright © 2020 Microsoft Corporation",
-  "electronDownload": {
-    "version": "8.2.4"
-  },
   "directories": {
     "buildResources": "resources",
     "output": "dist"
diff --git a/Composer/packages/electron-server/package.json b/Composer/packages/electron-server/package.json
index 594b68bc50..7deb844410 100644
--- a/Composer/packages/electron-server/package.json
+++ b/Composer/packages/electron-server/package.json
@@ -48,7 +48,7 @@
     "@types/node": "13.9.3",
     "@types/rimraf": "^2.0.2",
     "cross-env": "7.0.2",
-    "electron": "8.2.4",
+    "electron": "14.2.6",
     "electron-builder": "^22.6.0",
     "globby": "^11.0.1",
     "js-yaml": "^3.13.1",
@@ -74,7 +74,7 @@
     "node-fetch": "2.6.1",
     "semver": "7.3.2",
     "tslib": "2.0.3",
-    "uuid": "^8.3.1"
+    "uuid": "7.0.0"
   },
   "peerDependencies": {
     "oneauth-mac": "1.11.0",
diff --git a/Composer/packages/electron-server/scripts/createBuilderConfig.js b/Composer/packages/electron-server/scripts/createBuilderConfig.js
new file mode 100644
index 0000000000..09e8f8f13e
--- /dev/null
+++ b/Composer/packages/electron-server/scripts/createBuilderConfig.js
@@ -0,0 +1,35 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+const { join, resolve } = require('path');
+const { writeFileSync } = require('fs');
+
+const packageJson = require('../package.json');
+
+const electronVersion = packageJson.devDependencies.electron;
+
+const electronServerDir = resolve(__dirname, '..');
+
+const createBuilderConfig = (platform) => {
+  const builderConfig = require('../electron-builder-config.json');
+  const configName = `electron-builder-config-${platform}.json`;
+  switch (platform) {
+    case 'mac':
+    case 'linux':
+      builderConfig.electronDownload = {
+        version: electronVersion,
+      };
+      break;
+    case 'win':
+      builderConfig.electronDist = 'customElectron';
+      break;
+    default:
+      throw new Error(
+        `Invalid platform specified for builder config generation (${platform}). Supported platforms are: mac, linux and windows`
+      );
+  }
+  writeFileSync(join(electronServerDir, configName), JSON.stringify(builderConfig, null, 2));
+  return configName;
+};
+
+exports.createBuilderConfig = createBuilderConfig;
diff --git a/Composer/packages/electron-server/scripts/downloadAndExtractElectron.js b/Composer/packages/electron-server/scripts/downloadAndExtractElectron.js
new file mode 100644
index 0000000000..198d1da206
--- /dev/null
+++ b/Composer/packages/electron-server/scripts/downloadAndExtractElectron.js
@@ -0,0 +1,41 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license.
+
+const { join } = require('path');
+
+const { download } = require('@electron/get');
+const extract = require('extract-zip');
+
+const packageJson = require('../package.json');
+
+const { log } = require('./common');
+
+const electronVersion = packageJson.devDependencies.electron;
+
+async function downloadAndExtract() {
+  // download the custom build of Electron
+  const zipPath = await download(electronVersion, {
+    mirrorOptions: {
+      mirror: process.env.MSFT_ELECTRON_MIRROR,
+      customDir: process.env.MSFT_ELECTRON_DIR,
+    },
+  });
+  log.info(`Electron successfully downloaded to ${zipPath}`);
+
+  // extract the custom build into a local directory
+  const extractPath = join(__dirname, '..', 'customElectron');
+  await extract(zipPath, { dir: extractPath });
+  log.info(`Electron successfully unzipped in ${extractPath}`);
+
+  return extractPath;
+}
+
+downloadAndExtract()
+  .then((extractPath) => log.info(`Downloaded and extracted the internal Electron build to ${extractPath}`))
+  .catch((err) => {
+    log.error(`Error downloading and extracting the internal Electron build: ${err}`);
+    throw err;
+  });
diff --git a/Composer/packages/electron-server/scripts/electronBuilderDist.js b/Composer/packages/electron-server/scripts/electronBuilderDist.js
index 95bb1451ec..7b40ee3367 100644
--- a/Composer/packages/electron-server/scripts/electronBuilderDist.js
+++ b/Composer/packages/electron-server/scripts/electronBuilderDist.js
@@ -7,6 +7,7 @@ const { resolve } = require('path');
 const { execSync } = require('child_process');
 
 const { log } = require('./common');
+const { createBuilderConfig } = require('./createBuilderConfig');
 
 /*
  * Calls electron-builder to take the pre-packed app contents and turn them into
@@ -39,8 +40,9 @@ try {
       throw new Error('Platform detected is not Mac, Linux, or Windows.');
   }
 
-  // call electron-builder . --prepackaged --config electron-builder-config.json
-  const cmd = `"${electronBuilderBinary}" --projectDir "${electronServerDir}" --${platform} --x64 --prepackaged "${unpackedAppDir}" --config electron-builder-config.json`;
+  const configName = createBuilderConfig(platform);
+  // call electron-builder . --prepackaged --config electron-builder-config-{platform}.json
+  const cmd = `"${electronBuilderBinary}" --projectDir "${electronServerDir}" --${platform} --x64 --prepackaged "${unpackedAppDir}" --config ${configName}`;
   log.info('Executing command: ', cmd);
 
   execSync(cmd, { stdio: 'inherit' }); // lgtm [js/shell-command-injection-from-environment]
diff --git a/Composer/packages/electron-server/scripts/electronBuilderPack.js b/Composer/packages/electron-server/scripts/electronBuilderPack.js
index f088106c7c..94d1114cc9 100644
--- a/Composer/packages/electron-server/scripts/electronBuilderPack.js
+++ b/Composer/packages/electron-server/scripts/electronBuilderPack.js
@@ -7,6 +7,7 @@ const { resolve } = require('path');
 const { execSync } = require('child_process');
 
 const { log } = require('./common');
+const { createBuilderConfig } = require('./createBuilderConfig');
 
 /*
  * Calls electron-builder to pre-pack the app contents into what
@@ -35,8 +36,9 @@ try {
       throw new Error('Platform detected is not Mac, Linux, or Windows.');
   }
 
-  // call electron-builder . --dir --config electron-builder-config.json
-  const cmd = `"${electronBuilderBinary}" --projectDir "${electronServerDir}" --dir --${platform} --x64 --config electron-builder-config.json`;
+  const configName = createBuilderConfig(platform);
+  // call electron-builder . --prepackaged --config electron-builder-config-{platform}.json
+  const cmd = `"${electronBuilderBinary}" --projectDir "${electronServerDir}" --dir --${platform} --x64 --config ${configName}`;
   log.info('Executing command: ', cmd);
 
   execSync(cmd, { stdio: 'inherit' }); // lgtm [js/shell-command-injection-from-environment]
diff --git a/Composer/packages/electron-server/scripts/sign-mac.js b/Composer/packages/electron-server/scripts/sign-mac.js
index 535c6240da..6309e2a9e9 100644
--- a/Composer/packages/electron-server/scripts/sign-mac.js
+++ b/Composer/packages/electron-server/scripts/sign-mac.js
@@ -111,6 +111,7 @@ try {
   for (const fw of frameworks) {
     const fwPath = path.join(baseBundlePath, 'Contents/Frameworks', fw, 'Versions/A');
     const dylibs = glob.sync('Libraries/*.dylib', { cwd: fwPath });
+    const helpers = glob.sync('Helpers/*', { cwd: fwPath });
 
     for (const lib of dylibs) {
       log.info(`codesign -s ******* --timestamp=none --force "${path.join(fwPath, lib)}"`);
@@ -119,6 +120,13 @@ try {
       });
     }
 
+    for (const lib of helpers) {
+      log.info(`codesign -s ******* --timestamp=none --force "${path.join(fwPath, lib)}"`);
+      execSync(`codesign -s $DEV_CERT_ID --timestamp=none --force "${path.join(fwPath, lib)}"`, {
+        stdio: 'inherit',
+      });
+    }
+
     log.info(`codesign -s ******* --timestamp=none --force "${fwPath}"`);
     execSync(`codesign -s $DEV_CERT_ID --timestamp=none --force "${fwPath}"`, {
       stdio: 'inherit',
diff --git a/Composer/packages/electron-server/src/appMenu.ts b/Composer/packages/electron-server/src/appMenu.ts
index 296b31764b..efc8fe9cf8 100644
--- a/Composer/packages/electron-server/src/appMenu.ts
+++ b/Composer/packages/electron-server/src/appMenu.ts
@@ -257,10 +257,10 @@ export function initAppMenu(win?: Electron.BrowserWindow) {
         ['Cut', 'Copy', 'Delete'].forEach((label) => {
           const nativeModeId = label + '-native';
           const actionModeId = label;
-          menu.getMenuItemById(nativeModeId).visible = mode === 'native';
-          menu.getMenuItemById(actionModeId).visible = mode === 'action';
+          menu.getMenuItemById(nativeModeId)!.visible = mode === 'native';
+          menu.getMenuItemById(actionModeId)!.visible = mode === 'action';
         });
-        menu.getMenuItemById('Paste-native').visible = mode === 'native';
+        menu.getMenuItemById('Paste-native')!.visible = mode === 'native';
       };
 
       // Turn shortcuts to Action editing mode when Flow Editor is focused.
@@ -271,7 +271,7 @@ export function initAppMenu(win?: Electron.BrowserWindow) {
         // Let menu enable/disable status reflects action selection states.
         const actionSelected = !!state.actionSelected;
         ['Cut', 'Copy', 'Delete'].forEach((id) => {
-          menu.getMenuItemById(id).enabled = actionSelected;
+          menu.getMenuItemById(id)!.enabled = actionSelected;
         });
       } else {
         toggleEditingMode(menu, 'native');
@@ -279,9 +279,9 @@ export function initAppMenu(win?: Electron.BrowserWindow) {
 
       // Let menu undo/redo status reflects history status
       const canUndo = !!state.canUndo;
-      menu.getMenuItemById('Undo').enabled = canUndo;
+      menu.getMenuItemById('Undo')!.enabled = canUndo;
       const canRedo = !!state.canRedo;
-      menu.getMenuItemById('Redo').enabled = canRedo;
+      menu.getMenuItemById('Redo')!.enabled = canRedo;
 
       Menu.setApplicationMenu(menu);
     });
diff --git a/Composer/packages/electron-server/src/electronWindow.ts b/Composer/packages/electron-server/src/electronWindow.ts
index 7a610382d9..f7b0ccee2a 100644
--- a/Composer/packages/electron-server/src/electronWindow.ts
+++ b/Composer/packages/electron-server/src/electronWindow.ts
@@ -35,6 +35,7 @@ export default class ElectronWindow {
         nodeIntegrationInWorker: false,
         nodeIntegration: false,
         preload: join(__dirname, 'preload.js'),
+        nativeWindowOpen: true,
       },
       show: false,
       title: `Bot Framework Composer (v${app.getVersion()})`,
diff --git a/Composer/packages/electron-server/src/splash/splashScreen.ts b/Composer/packages/electron-server/src/splash/splashScreen.ts
index a66ca2bbfb..237d60f8fe 100644
--- a/Composer/packages/electron-server/src/splash/splashScreen.ts
+++ b/Composer/packages/electron-server/src/splash/splashScreen.ts
@@ -50,6 +50,7 @@ export const initSplashScreen = async ({
     webPreferences: {
       // This is necessary to enable loading local images in the url protocol (window.loadURL)
       webSecurity: false, // lgtm [js/disabling-electron-websecurity]
+      nativeWindowOpen: true,
     },
   });
 
diff --git a/Composer/yarn-berry.lock b/Composer/yarn-berry.lock
index b4c895dac9..929ca60576 100644
--- a/Composer/yarn-berry.lock
+++ b/Composer/yarn-berry.lock
@@ -2530,7 +2530,7 @@ __metadata:
     cross-env: 7.0.2
     crypto: ^1.0.1
     debug: 4.1.1
-    electron: 8.2.4
+    electron: 14.2.6
     electron-builder: ^22.6.0
     electron-updater: 4.2.5
     fix-path: ^3.0.0
@@ -2549,7 +2549,7 @@ __metadata:
     source-map-explorer: ^2.4.2
     ts-node: ^8.4.1
     tslib: 2.0.3
-    uuid: ^8.3.1
+    uuid: 7.0.0
   peerDependencies:
     oneauth-mac: 1.11.0
     oneauth-win64: 1.14.0
@@ -12208,16 +12208,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"electron@npm:8.2.4":
-  version: 8.2.4
-  resolution: "electron@npm:8.2.4"
+"electron@npm:14.2.6":
+  version: 14.2.6
+  resolution: "electron@npm:14.2.6"
   dependencies:
     "@electron/get": ^1.0.1
-    "@types/node": ^12.0.12
+    "@types/node": ^14.6.2
     extract-zip: ^1.0.3
   bin:
     electron: cli.js
-  checksum: 0adefca28eed9fe5a38fe89080ca79a5b29f0315716348f725c337cc4c82aad128da1579db2041f5a991a64b40b0409e2a06d0ba7a4bf9614de94b9b9c038253
+  checksum: f0ce42459502f9f7d937374699eefbb56dacc03b21c7e7933f5a865c4f1f05aba00eafa3a217fa97d91559ffffe5f57ab17c2001a5e122118957932e360bb707
   languageName: node
   linkType: hard
 
@@ -27282,7 +27282,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"uuid@npm:8.3.2, uuid@npm:^8.3.0, uuid@npm:^8.3.1, uuid@npm:^8.3.2":
+"uuid@npm:7.0.0":
+  version: 7.0.0
+  resolution: "uuid@npm:7.0.0"
+  bin:
+    uuid: dist/bin/uuid
+  checksum: ff663dd21aec8ca725b3bec22bbbabc21a2997a75ce49e839bf73420faf4b03cd919a7a8ad4e03c606485a695db56fb1e7bfd419742386df49145e98e8120e70
+  languageName: node
+  linkType: hard
+
+"uuid@npm:8.3.2, uuid@npm:^8.3.0, uuid@npm:^8.3.2":
   version: 8.3.2
   resolution: "uuid@npm:8.3.2"
   bin:
diff --git a/Composer/yarn.lock b/Composer/yarn.lock
index 290580f661..18e948f347 100644
--- a/Composer/yarn.lock
+++ b/Composer/yarn.lock
@@ -5408,7 +5408,7 @@
     "@types/node" "*"
     form-data "^3.0.0"
 
-"@types/node@*", "@types/node@13.9.3", "@types/node@^12.0.12", "@types/node@^14.14.31":
+"@types/node@*", "@types/node@13.9.3", "@types/node@^14.14.31", "@types/node@^14.6.2":
   version "13.9.3"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-13.9.3.tgz#6356df2647de9eac569f9a52eda3480fa9e70b4d"
   integrity sha512-01s+ac4qerwd6RHD+mVbOEsraDHSgUaefQlEdBbUolnQFjKwCr7luvAlEwW1RFojh67u0z4OUTjPn9LEl4zIkA==
@@ -10861,13 +10861,13 @@ electron-updater@4.2.5:
     pako "^1.0.11"
     semver "^7.1.3"
 
-electron@8.2.4:
-  version "8.2.4"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-8.2.4.tgz#c4e51ca8e84b5a5beaaabdae1024bd52ba487ba4"
-  integrity sha512-Lle0InIgSAHZxD5KDY0wZ1A2Zlc6GHwMhAxoHMzn05mndyP1YBkCYHc0TDDofzUTrsLFofduPjlknO5Oj9fTPA==
+electron@14.2.6:
+  version "14.2.6"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-14.2.6.tgz#d134da424d79f2ea59758899a9ba0cf18170bbec"
+  integrity sha512-yTPmuBO6/7baUUjhQ1E2URsNjEPsj+DMcleLf3VexVPU1Py0mXc5OpwI6LCq/jvuwyGiXOLK2Vx6h4bel6DoEw==
   dependencies:
     "@electron/get" "^1.0.1"
-    "@types/node" "^12.0.12"
+    "@types/node" "^14.6.2"
     extract-zip "^1.0.3"
 
 elegant-spinner@^1.0.1:
@@ -22837,6 +22837,11 @@ utils-merge@1.0.1:
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
   integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=
 
+uuid@7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-7.0.0.tgz#1833d4b9ce50b732bfaa271f9cb74e974d303c79"
+  integrity sha512-LNUrNsXdI/fUsypJbWM8Jt4DgQdFAZh41p9C7WE9Cn+CULOEkoG2lgQyH68v3wnIy5K3fN4jdSt270K6IFA3MQ==
+
 uuid@8.3.2, uuid@^8.3.2:
   version "8.3.2"
   resolved "https://botbuilder.myget.org/F/botbuilder-v4-js-daily/npm/uuid/-/uuid-8.3.2.tgz#80d5b5ced271bb9af6c445f21a1a04c606cefbe2"
@@ -22857,11 +22862,6 @@ uuid@^8.3.0:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.3.0.tgz#ab738085ca22dc9a8c92725e459b1d507df5d6ea"
   integrity sha512-fX6Z5o4m6XsXBdli9g7DtWgAx+osMsRRZFKma1mIUsLCz6vRvv+pz5VNbyu9UEDzpMWulZfvpgb/cmDXVulYFQ==
 
-uuid@^8.3.1:
-  version "8.3.1"
-  resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.3.1.tgz#2ba2e6ca000da60fce5a196954ab241131e05a31"
-  integrity sha512-FOmRr+FmWEIG8uhZv6C2bTgEVXsHk08kE7mPlrBbEe+c3r9pjceVPgupIfNIhc4yx55H69OXANrUaSuu9eInKg==
-
 v8-compile-cache@^2.0.3:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz#e14de37b31a6d194f5690d67efc4e7f6fc6ab30e"