diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index d29633e414dc2..782384db2b520 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.repository == 'flutter/flutter' }}
     steps:
-      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
+      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
       - name: ./bin/flutter test --coverage
         run: pushd packages/flutter;../../bin/flutter test --coverage -j 1;popd
       - name: upload coverage
diff --git a/.github/workflows/easy-cp.yml b/.github/workflows/easy-cp.yml
index 62caf93cc7580..36300f09eab84 100644
--- a/.github/workflows/easy-cp.yml
+++ b/.github/workflows/easy-cp.yml
@@ -30,7 +30,7 @@ jobs:
         run: |
           echo "COMMIT_SHA=$(echo ${{ github.event.pull_request.merge_commit_sha }})" >> $GITHUB_ENV
       - name: Checkout Flutter Repo
-        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
         with:
           repository: flutteractionsbot/flutter
           path: flutter
diff --git a/.github/workflows/minimal.yml b/.github/workflows/minimal.yml
index c20c33e816f66..ade82e4918869 100644
--- a/.github/workflows/minimal.yml
+++ b/.github/workflows/minimal.yml
@@ -18,7 +18,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout Flutter Repo
-        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
         with:
           repository: flutter/flutter
           token: ${{ github.token }}
diff --git a/.github/workflows/scorecards-analysis.yml b/.github/workflows/scorecards-analysis.yml
index 61cf485b52c46..4842a632dd886 100644
--- a/.github/workflows/scorecards-analysis.yml
+++ b/.github/workflows/scorecards-analysis.yml
@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
         with:
           persist-credentials: false
 
diff --git a/packages/flutter_tools/lib/src/ios/migrations/uiapplicationmain_deprecation_migration.dart b/packages/flutter_tools/lib/src/ios/migrations/uiapplicationmain_deprecation_migration.dart
new file mode 100644
index 0000000000000..c2fbbcf541721
--- /dev/null
+++ b/packages/flutter_tools/lib/src/ios/migrations/uiapplicationmain_deprecation_migration.dart
@@ -0,0 +1,51 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import '../../base/file_system.dart';
+import '../../base/project_migrator.dart';
+import '../../xcode_project.dart';
+
+const String _appDelegateFileBefore = r'''
+@UIApplicationMain
+@objc class AppDelegate: FlutterAppDelegate {
+''';
+
+const String _appDelegateFileAfter = r'''
+@main
+@objc class AppDelegate: FlutterAppDelegate {
+''';
+
+/// Replace the deprecated `@UIApplicationMain` attribute with `@main`.
+///
+/// See:
+/// https://github.com/apple/swift-evolution/blob/main/proposals/0383-deprecate-uiapplicationmain-and-nsapplicationmain.md
+class UIApplicationmMainDeprecationMigration extends ProjectMigrator {
+  UIApplicationmMainDeprecationMigration(
+    IosProject project,
+    super.logger,
+  )   : _appDelegateSwift = project.appDelegateSwift;
+
+  final File _appDelegateSwift;
+
+  @override
+  Future<bool> migrate() async {
+    // Skip this migration if the project uses Objective-C.
+    if (!_appDelegateSwift.existsSync()) {
+      return true;
+    }
+
+    // Migrate the ios/Runner/AppDelegate.swift file.
+    final String original = _appDelegateSwift.readAsStringSync();
+    final String migrated = original.replaceFirst(_appDelegateFileBefore, _appDelegateFileAfter);
+    if (original == migrated) {
+      return true;
+    }
+
+    logger.printStatus(
+      'ios/Runner/AppDelegate.swift does not use the @main attribute, updating.',
+    );
+    _appDelegateSwift.writeAsStringSync(migrated);
+    return true;
+  }
+}
diff --git a/packages/flutter_tools/lib/src/xcode_project.dart b/packages/flutter_tools/lib/src/xcode_project.dart
index 16defd560f476..9852592fa7e60 100644
--- a/packages/flutter_tools/lib/src/xcode_project.dart
+++ b/packages/flutter_tools/lib/src/xcode_project.dart
@@ -178,15 +178,15 @@ class IosProject extends XcodeBasedProject {
 
   File get appFrameworkInfoPlist => _flutterLibRoot.childDirectory('Flutter').childFile('AppFrameworkInfo.plist');
 
+  /// The 'AppDelegate.swift' file of the host app. This file might not exist if the app project uses Objective-C.
+  File get appDelegateSwift => _editableDirectory.childDirectory('Runner').childFile('AppDelegate.swift');
+
   File get infoPlist => _editableDirectory.childDirectory('Runner').childFile('Info.plist');
 
   Directory get symlinks => _flutterLibRoot.childDirectory('.symlinks');
 
-  /// True, if the app project is using swift.
-  bool get isSwift {
-    final File appDelegateSwift = _editableDirectory.childDirectory('Runner').childFile('AppDelegate.swift');
-    return appDelegateSwift.existsSync();
-  }
+  /// True if the app project uses Swift.
+  bool get isSwift => appDelegateSwift.existsSync();
 
   /// Do all plugins support arm64 simulators to run natively on an ARM Mac?
   Future<bool> pluginsSupportArmSimulator() async {
diff --git a/packages/flutter_tools/templates/app_shared/ios-swift.tmpl/Runner/AppDelegate.swift b/packages/flutter_tools/templates/app_shared/ios-swift.tmpl/Runner/AppDelegate.swift
index 9074fee9290db..626664468b891 100644
--- a/packages/flutter_tools/templates/app_shared/ios-swift.tmpl/Runner/AppDelegate.swift
+++ b/packages/flutter_tools/templates/app_shared/ios-swift.tmpl/Runner/AppDelegate.swift
@@ -1,7 +1,7 @@
 import Flutter
 import UIKit
 
-@UIApplicationMain
+@main
 @objc class AppDelegate: FlutterAppDelegate {
   override func application(
     _ application: UIApplication,