diff --git a/add_to_app/books/flutter_module_books/pubspec.lock b/add_to_app/books/flutter_module_books/pubspec.lock
index 86fab0ffc..7cd62f096 100644
--- a/add_to_app/books/flutter_module_books/pubspec.lock
+++ b/add_to_app/books/flutter_module_books/pubspec.lock
@@ -28,7 +28,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -42,7 +42,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -136,7 +136,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -218,7 +218,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -232,7 +232,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   watcher:
     dependency: transitive
     description:
diff --git a/add_to_app/fullscreen/flutter_module/pubspec.lock b/add_to_app/fullscreen/flutter_module/pubspec.lock
index c6f7d4fa7..1de187899 100644
--- a/add_to_app/fullscreen/flutter_module/pubspec.lock
+++ b/add_to_app/fullscreen/flutter_module/pubspec.lock
@@ -7,14 +7,14 @@ packages:
       name: archive
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.2"
+    version: "3.1.6"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -28,7 +28,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -118,7 +118,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -146,14 +146,14 @@ packages:
       name: platform
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.0.2"
   process:
     dependency: transitive
     description:
       name: process
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.2.3"
+    version: "4.2.4"
   provider:
     dependency: "direct main"
     description:
@@ -214,7 +214,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -228,14 +228,14 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   vm_service:
     dependency: transitive
     description:
       name: vm_service
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "7.1.1"
+    version: "7.3.0"
   webdriver:
     dependency: transitive
     description:
@@ -244,5 +244,5 @@ packages:
     source: hosted
     version: "3.0.0"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=2.0.0"
diff --git a/add_to_app/plugin/flutter_module_using_plugin/pubspec.lock b/add_to_app/plugin/flutter_module_using_plugin/pubspec.lock
index 002551552..6afba6e06 100644
--- a/add_to_app/plugin/flutter_module_using_plugin/pubspec.lock
+++ b/add_to_app/plugin/flutter_module_using_plugin/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -92,7 +92,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -181,7 +181,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -237,7 +237,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.22.0"
diff --git a/add_to_app/prebuilt_module/flutter_module/pubspec.lock b/add_to_app/prebuilt_module/flutter_module/pubspec.lock
index 2d3e9e84b..1a3e67056 100644
--- a/add_to_app/prebuilt_module/flutter_module/pubspec.lock
+++ b/add_to_app/prebuilt_module/flutter_module/pubspec.lock
@@ -7,14 +7,14 @@ packages:
       name: archive
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.2"
+    version: "3.1.6"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -28,7 +28,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -118,7 +118,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -146,14 +146,14 @@ packages:
       name: platform
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.0.2"
   process:
     dependency: transitive
     description:
       name: process
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.2.3"
+    version: "4.2.4"
   provider:
     dependency: "direct main"
     description:
@@ -214,7 +214,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -228,14 +228,14 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   vm_service:
     dependency: transitive
     description:
       name: vm_service
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "7.1.1"
+    version: "7.3.0"
   webdriver:
     dependency: transitive
     description:
@@ -244,5 +244,5 @@ packages:
     source: hosted
     version: "3.0.0"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.16.0"
diff --git a/animations/lib/src/misc/animated_list.dart b/animations/lib/src/misc/animated_list.dart
index c4be6ae1a..1f963c49e 100644
--- a/animations/lib/src/misc/animated_list.dart
+++ b/animations/lib/src/misc/animated_list.dart
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 
 class AnimatedListDemo extends StatefulWidget {
   const AnimatedListDemo({Key? key}) : super(key: key);
diff --git a/animations/lib/src/misc/card_swipe.dart b/animations/lib/src/misc/card_swipe.dart
index 87ca060a8..cda4e1472 100644
--- a/animations/lib/src/misc/card_swipe.dart
+++ b/animations/lib/src/misc/card_swipe.dart
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
-
 import 'package:flutter/material.dart';
 import 'package:flutter/physics.dart';
 
diff --git a/animations/lib/src/misc/carousel.dart b/animations/lib/src/misc/carousel.dart
index a6d8cb23f..a742251e6 100644
--- a/animations/lib/src/misc/carousel.dart
+++ b/animations/lib/src/misc/carousel.dart
@@ -2,9 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 
 class CarouselDemo extends StatelessWidget {
   CarouselDemo({Key? key}) : super(key: key);
diff --git a/animations/pubspec.lock b/animations/pubspec.lock
index 18fcc0f9a..76fa57f52 100644
--- a/animations/pubspec.lock
+++ b/animations/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -87,7 +87,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -148,7 +148,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -162,6 +162,6 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
diff --git a/animations/test/misc/card_swipe_test.dart b/animations/test/misc/card_swipe_test.dart
index 3637b94fd..68f5601aa 100644
--- a/animations/test/misc/card_swipe_test.dart
+++ b/animations/test/misc/card_swipe_test.dart
@@ -3,8 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:animations/src/misc/card_swipe.dart';
-import 'package:flutter/gestures.dart';
-import 'package:flutter/material.dart';
+import 'package:flutter/material.dart' hide Card;
 import 'package:flutter_test/flutter_test.dart';
 
 Widget createCardSwipeScreen() => const MaterialApp(
@@ -17,45 +16,44 @@ void main() {
       await tester.pumpWidget(createCardSwipeScreen());
 
       // Get the total number of cards available.
-      var totalCards = tester.widgetList(find.byType(SwipeableCard)).length;
+      var totalCards = tester.widgetList(find.byType(Card)).length;
+
+      // Ensure card is visible.
+      await tester.ensureVisible(find.byType(Card).last);
 
       // Swipe out one card.
-      await tester.drag(
-          find.byType(SwipeableCard).first, const Offset(100.0, 0.0));
+      await tester.drag(find.byType(Card).last, const Offset(100.0, 0.0));
       await tester.pumpAndSettle();
 
       // Check if removed properly.
-      expect(tester.widgetList(find.byType(SwipeableCard)).length,
-          lessThan(totalCards));
+      expect(tester.widgetList(find.byType(Card)).length, lessThan(totalCards));
     });
 
     testWidgets('All cards swiped out', (tester) async {
       await tester.pumpWidget(createCardSwipeScreen());
 
       // Get the total number of cards availabe.
-      var totalCards = tester.widgetList(find.byType(SwipeableCard)).length;
+      var totalCards = tester.widgetList(find.byType(Card)).length;
 
       // Swipe out all cards.
       for (var i = 0; i < totalCards; i++) {
         // Swipe out one by one.
-        await tester.drag(
-            find.byType(SwipeableCard).first, const Offset(100.0, 0.0));
+        await tester.drag(find.byType(Card).last, const Offset(100.0, 0.0));
         await tester.pumpAndSettle();
       }
 
       // Check if any card is remaining.
-      expect(find.byType(SwipeableCard), findsNothing);
+      expect(find.byType(Card), findsNothing);
     });
 
     testWidgets('Stack refilled with cards', (tester) async {
       await tester.pumpWidget(createCardSwipeScreen());
 
       // Get the total number of cards availabe.
-      var totalCards = tester.widgetList(find.byType(SwipeableCard)).length;
+      var totalCards = tester.widgetList(find.byType(Card)).length;
 
       // Swipe out one card.
-      await tester.drag(
-          find.byType(SwipeableCard).first, const Offset(100.0, 0.0));
+      await tester.drag(find.byType(Card).last, const Offset(100.0, 0.0));
       await tester.pumpAndSettle();
 
       // Tap the Refill button.
@@ -63,7 +61,7 @@ void main() {
       await tester.pumpAndSettle();
 
       // Check if the entire stack is refilled.
-      expect(find.byType(SwipeableCard), findsNWidgets(totalCards));
+      expect(find.byType(Card), findsNWidgets(totalCards));
     });
   });
 }
diff --git a/experimental/desktop_photo_search/pubspec.lock b/experimental/desktop_photo_search/pubspec.lock
index 5a8252a9f..5761025e7 100644
--- a/experimental/desktop_photo_search/pubspec.lock
+++ b/experimental/desktop_photo_search/pubspec.lock
@@ -35,7 +35,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -112,7 +112,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -379,7 +379,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   menubar:
     dependency: "direct main"
     description:
@@ -547,7 +547,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   timing:
     dependency: transitive
     description:
@@ -638,7 +638,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   watcher:
     dependency: transitive
     description:
diff --git a/experimental/federated_plugin/federated_plugin/example/pubspec.lock b/experimental/federated_plugin/federated_plugin/example/pubspec.lock
index 0b5dc9c58..585106dc7 100644
--- a/experimental/federated_plugin/federated_plugin/example/pubspec.lock
+++ b/experimental/federated_plugin/federated_plugin/example/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -134,7 +134,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -202,7 +202,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -216,7 +216,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.20.0"
diff --git a/experimental/federated_plugin/federated_plugin/pubspec.lock b/experimental/federated_plugin/federated_plugin/pubspec.lock
index c30b10a83..608d8e656 100644
--- a/experimental/federated_plugin/federated_plugin/pubspec.lock
+++ b/experimental/federated_plugin/federated_plugin/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -120,7 +120,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -188,7 +188,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -202,7 +202,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.20.0"
diff --git a/experimental/linting_tool/lib/pages/saved_lints_page.dart b/experimental/linting_tool/lib/pages/saved_lints_page.dart
index 73af8b98c..8bde62442 100644
--- a/experimental/linting_tool/lib/pages/saved_lints_page.dart
+++ b/experimental/linting_tool/lib/pages/saved_lints_page.dart
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:linting_tool/layout/adaptive.dart';
 import 'package:linting_tool/model/editing_controller.dart';
 import 'package:linting_tool/model/profiles_store.dart';
diff --git a/experimental/linting_tool/lib/widgets/adaptive_nav.dart b/experimental/linting_tool/lib/widgets/adaptive_nav.dart
index 994eddb02..c35c1839a 100644
--- a/experimental/linting_tool/lib/widgets/adaptive_nav.dart
+++ b/experimental/linting_tool/lib/widgets/adaptive_nav.dart
@@ -5,7 +5,6 @@
 import 'dart:math' as math;
 
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart' show SystemUiOverlayStyle;
 import 'package:linting_tool/layout/adaptive.dart';
 import 'package:linting_tool/pages/default_lints_page.dart';
diff --git a/experimental/linting_tool/pubspec.lock b/experimental/linting_tool/pubspec.lock
index 0b3b371c1..57f428bcd 100644
--- a/experimental/linting_tool/pubspec.lock
+++ b/experimental/linting_tool/pubspec.lock
@@ -35,7 +35,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -105,7 +105,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -428,7 +428,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -657,7 +657,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   timing:
     dependency: transitive
     description:
@@ -734,7 +734,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   watcher:
     dependency: transitive
     description:
diff --git a/experimental/linting_tool/test/widget_test.dart b/experimental/linting_tool/test/widget_test.dart
index 111ee27bc..b46e8ae8a 100644
--- a/experimental/linting_tool/test/widget_test.dart
+++ b/experimental/linting_tool/test/widget_test.dart
@@ -71,6 +71,7 @@ void main() {
     await Hive.openLazyBox<RulesProfile>('rules_profile');
     _mockClient = MockClient();
   });
+
   testWidgets('NavigationRail smoke test', (tester) async {
     var responseBody =
         '''[{"name": "always_use_package_imports","description": "Avoid relative imports for files in `lib/`.","group": "errors","maturity": "stable","incompatible": [],"sets": [],"details": "*DO* avoid relative imports for files in `lib/`.\n\nWhen mixing relative and absolute imports it's possible to create confusion\nwhere the same member gets imported in two different ways. One way to avoid\nthat is to ensure you consistently use absolute imports for files withing the\n`lib/` directory.\n\nThis is the opposite of 'prefer_relative_imports'.\nMight be used with 'avoid_relative_lib_imports' to avoid relative imports of\nfiles within `lib/` directory outside of it. (for example `test/`)\n\n**GOOD:**\n\n```dart\nimport 'package:foo/bar.dart';\n\nimport 'package:foo/baz.dart';\n\nimport 'package:foo/src/baz.dart';\n...\n```\n\n**BAD:**\n\n```dart\nimport 'baz.dart';\n\nimport 'src/bag.dart'\n\nimport '../lib/baz.dart';\n\n...\n```\n\n"}]''';
@@ -82,20 +83,23 @@ void main() {
     );
 
     await tester.pumpWidget(const _TestApp());
-
     expect(find.byType(HomePage), findsOneWidget);
     expect(find.byType(SavedLintsPage), findsNothing);
-    await tester.tap(find.text('Saved Profiles'));
+
+    var offset = tester.getCenter(find.text('Saved Profiles').first);
+    await tester.tapAt(offset);
     await tester.pumpAndSettle();
     expect(find.byType(SavedLintsPage), findsOneWidget);
-
     expect(find.byType(DefaultLintsPage), findsNothing);
-    await tester.tap(find.text('Default Profiles'));
+
+    offset = tester.getCenter(find.text('Default Profiles').first);
+    await tester.tapAt(offset);
     await tester.pumpAndSettle();
     expect(find.byType(DefaultLintsPage), findsOneWidget);
-
     expect(find.byType(HomePage), findsNothing);
-    await tester.tap(find.text('Home'));
+
+    offset = tester.getCenter(find.text('Home').first);
+    await tester.tapAt(offset);
     await tester.pumpAndSettle();
     expect(find.byType(HomePage), findsOneWidget);
   });
diff --git a/experimental/web_dashboard/pubspec.lock b/experimental/web_dashboard/pubspec.lock
index dd1491b86..5a8df3e7e 100644
--- a/experimental/web_dashboard/pubspec.lock
+++ b/experimental/web_dashboard/pubspec.lock
@@ -28,7 +28,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -98,7 +98,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -407,7 +407,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -566,7 +566,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   timing:
     dependency: transitive
     description:
@@ -594,7 +594,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   watcher:
     dependency: transitive
     description:
diff --git a/flutter_maps_firestore/pubspec.lock b/flutter_maps_firestore/pubspec.lock
index b6ee2afaa..3ab99a9bf 100644
--- a/flutter_maps_firestore/pubspec.lock
+++ b/flutter_maps_firestore/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -204,7 +204,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -279,7 +279,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -293,7 +293,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
   dart: ">=2.14.0 <3.0.0"
   flutter: ">=2.5.0"
diff --git a/form_app/pubspec.lock b/form_app/pubspec.lock
index 1eed2879a..766f0ff21 100644
--- a/form_app/pubspec.lock
+++ b/form_app/pubspec.lock
@@ -28,7 +28,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -98,7 +98,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -304,7 +304,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -435,7 +435,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   timing:
     dependency: transitive
     description:
@@ -456,7 +456,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   watcher:
     dependency: transitive
     description:
diff --git a/infinite_list/pubspec.lock b/infinite_list/pubspec.lock
index b17981e1e..3ada65461 100644
--- a/infinite_list/pubspec.lock
+++ b/infinite_list/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -87,7 +87,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: "direct main"
     description:
@@ -162,7 +162,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -176,7 +176,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.16.0"
diff --git a/ios_app_clip/pubspec.lock b/ios_app_clip/pubspec.lock
index dcabe2346..024938686 100644
--- a/ios_app_clip/pubspec.lock
+++ b/ios_app_clip/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -101,7 +101,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -169,7 +169,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -183,7 +183,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.12.13+hotfix.5"
diff --git a/isolate_example/pubspec.lock b/isolate_example/pubspec.lock
index 4b46fb0a5..acdb236ff 100644
--- a/isolate_example/pubspec.lock
+++ b/isolate_example/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -80,7 +80,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -155,7 +155,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -169,7 +169,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.16.0"
diff --git a/jsonexample/pubspec.lock b/jsonexample/pubspec.lock
index 55564a550..745ffb2fc 100644
--- a/jsonexample/pubspec.lock
+++ b/jsonexample/pubspec.lock
@@ -28,7 +28,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -105,7 +105,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -290,7 +290,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -428,7 +428,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   timing:
     dependency: transitive
     description:
@@ -449,7 +449,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   watcher:
     dependency: transitive
     description:
diff --git a/navigation_and_routing/lib/src/auth.dart b/navigation_and_routing/lib/src/auth.dart
index bc82bbeda..9f8d33971 100644
--- a/navigation_and_routing/lib/src/auth.dart
+++ b/navigation_and_routing/lib/src/auth.dart
@@ -2,7 +2,6 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
 
 /// A mock authentication service
diff --git a/navigation_and_routing/lib/src/routing/route_state.dart b/navigation_and_routing/lib/src/routing/route_state.dart
index a4edea943..38fb8f076 100644
--- a/navigation_and_routing/lib/src/routing/route_state.dart
+++ b/navigation_and_routing/lib/src/routing/route_state.dart
@@ -2,7 +2,6 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
 
 import 'parsed_route.dart';
diff --git a/navigation_and_routing/lib/src/screens/navigator.dart b/navigation_and_routing/lib/src/screens/navigator.dart
index 6c92a8dde..920c97fb9 100644
--- a/navigation_and_routing/lib/src/screens/navigator.dart
+++ b/navigation_and_routing/lib/src/screens/navigator.dart
@@ -7,7 +7,6 @@ import 'package:flutter/material.dart';
 
 import '../auth.dart';
 import '../data.dart';
-import '../data/library.dart';
 import '../routing.dart';
 import '../screens/sign_in.dart';
 import '../widgets/fade_transition_page.dart';
diff --git a/navigation_and_routing/lib/src/screens/sign_in.dart b/navigation_and_routing/lib/src/screens/sign_in.dart
index e12017665..0e8ca838c 100644
--- a/navigation_and_routing/lib/src/screens/sign_in.dart
+++ b/navigation_and_routing/lib/src/screens/sign_in.dart
@@ -2,7 +2,6 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 class Credentials {
diff --git a/navigation_and_routing/pubspec.lock b/navigation_and_routing/pubspec.lock
index 9242f9090..f9a0cb25f 100644
--- a/navigation_and_routing/pubspec.lock
+++ b/navigation_and_routing/pubspec.lock
@@ -42,7 +42,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -56,7 +56,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -211,7 +211,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -377,21 +377,21 @@ packages:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.17.10"
+    version: "1.17.12"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   test_core:
     dependency: transitive
     description:
       name: test_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.0"
+    version: "0.4.2"
   typed_data:
     dependency: transitive
     description:
@@ -468,7 +468,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   vm_service:
     dependency: transitive
     description:
diff --git a/null_safety/null_safe_app/pubspec.lock b/null_safety/null_safe_app/pubspec.lock
index 3f1de563f..59f5c53bf 100644
--- a/null_safety/null_safe_app/pubspec.lock
+++ b/null_safety/null_safe_app/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -87,7 +87,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -148,7 +148,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -162,7 +162,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=2.0.0"
diff --git a/null_safety/null_unsafe_app/pubspec.lock b/null_safety/null_unsafe_app/pubspec.lock
index 18fcc0f9a..76fa57f52 100644
--- a/null_safety/null_unsafe_app/pubspec.lock
+++ b/null_safety/null_unsafe_app/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -87,7 +87,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -148,7 +148,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -162,6 +162,6 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
diff --git a/place_tracker/lib/place_details.dart b/place_tracker/lib/place_details.dart
index e4f357a4c..54f8a880f 100644
--- a/place_tracker/lib/place_details.dart
+++ b/place_tracker/lib/place_details.dart
@@ -2,9 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:google_maps_flutter/google_maps_flutter.dart';
 
 import 'place.dart';
diff --git a/place_tracker/lib/place_map.dart b/place_tracker/lib/place_map.dart
index 9ee4212ac..06ce02927 100644
--- a/place_tracker/lib/place_map.dart
+++ b/place_tracker/lib/place_map.dart
@@ -6,7 +6,6 @@ import 'dart:async';
 import 'dart:math';
 
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:google_maps_flutter/google_maps_flutter.dart';
 import 'package:provider/provider.dart';
 import 'package:uuid/uuid.dart';
diff --git a/place_tracker/pubspec.lock b/place_tracker/pubspec.lock
index 2ce1ba0c6..526b3b0e8 100644
--- a/place_tracker/pubspec.lock
+++ b/place_tracker/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -162,7 +162,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -258,7 +258,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -279,7 +279,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
   dart: ">=2.14.0 <3.0.0"
   flutter: ">=2.5.0"
diff --git a/platform_channels/pubspec.lock b/platform_channels/pubspec.lock
index 18fcc0f9a..76fa57f52 100644
--- a/platform_channels/pubspec.lock
+++ b/platform_channels/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -87,7 +87,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -148,7 +148,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -162,6 +162,6 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
diff --git a/platform_design/lib/main.dart b/platform_design/lib/main.dart
index fbfa05dd9..98e44c6a9 100644
--- a/platform_design/lib/main.dart
+++ b/platform_design/lib/main.dart
@@ -36,8 +36,7 @@ class MyAdaptingApp extends StatelessWidget {
           child: Material(child: child),
         );
       },
-      // ignore: use_key_in_widget_constructors, prefer_const_constructors
-      home: PlatformAdaptingHomePage(),
+      home: const PlatformAdaptingHomePage(),
     );
   }
 }
diff --git a/platform_design/pubspec.lock b/platform_design/pubspec.lock
index e22b309ac..0a4632cec 100644
--- a/platform_design/pubspec.lock
+++ b/platform_design/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -101,7 +101,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -162,7 +162,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -176,6 +176,6 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
diff --git a/platform_design/test/widget_test.dart b/platform_design/test/widget_test.dart
index e5f7d3b46..f4756a378 100644
--- a/platform_design/test/widget_test.dart
+++ b/platform_design/test/widget_test.dart
@@ -10,25 +10,33 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:platform_design/main.dart';
 
 void main() {
-  testWidgets('Can change platform correctly', (tester) async {
-    await tester.pumpWidget(const MyAdaptingApp());
-
-    // The test should be able to find the drawer button.
-    expect(find.byIcon(Icons.menu), findsOneWidget);
-    // There should be a refresh button.
-    expect(find.byIcon(Icons.refresh), findsOneWidget);
-
-    debugDefaultTargetPlatformOverride = TargetPlatform.iOS;
-    await tester.pumpWidget(const MyAdaptingApp());
-
-    // There should now be a large title style nav bar.
-    expect(find.byType(CupertinoSliverNavigationBar), findsOneWidget);
-    // There's a tab button for the first tab.
-    expect(find.byIcon(CupertinoIcons.music_note), findsOneWidget);
-    // The hamburger button isn't there anymore.
-    expect(find.byIcon(Icons.menu), findsNothing);
-
-    // Since this is a static, undo the change made in the test.
-    debugDefaultTargetPlatformOverride = null;
+  group('Platform tests', () {
+    testWidgets('Builds for Android correctly', (tester) async {
+      debugDefaultTargetPlatformOverride = TargetPlatform.android;
+      await tester.pumpWidget(const MyAdaptingApp());
+
+      // The test should be able to find the drawer button.
+      expect(find.byIcon(Icons.menu), findsOneWidget);
+      // There should be a refresh button.
+      expect(find.byIcon(Icons.refresh), findsOneWidget);
+
+      // Since this is a static, undo any change made in the test.
+      debugDefaultTargetPlatformOverride = null;
+    });
+
+    testWidgets('Builds for iOS correctly', (tester) async {
+      debugDefaultTargetPlatformOverride = TargetPlatform.iOS;
+      await tester.pumpWidget(const MyAdaptingApp());
+
+      // There should now be a large title style nav bar.
+      expect(find.byType(CupertinoSliverNavigationBar), findsOneWidget);
+      // There's a tab button for the first tab.
+      expect(find.byIcon(CupertinoIcons.music_note), findsOneWidget);
+      // The hamburger button isn't there anymore.
+      expect(find.byIcon(Icons.menu), findsNothing);
+
+      // Since this is a static, undo any change made in the test.
+      debugDefaultTargetPlatformOverride = null;
+    });
   });
 }
diff --git a/platform_view_swift/pubspec.lock b/platform_view_swift/pubspec.lock
index 9420d84f4..c88ce5592 100644
--- a/platform_view_swift/pubspec.lock
+++ b/platform_view_swift/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -87,7 +87,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -148,7 +148,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -162,6 +162,6 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
diff --git a/provider_counter/pubspec.lock b/provider_counter/pubspec.lock
index 2d86b5d41..467a92d4f 100644
--- a/provider_counter/pubspec.lock
+++ b/provider_counter/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -87,7 +87,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -162,7 +162,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -176,7 +176,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.16.0"
diff --git a/provider_shopper/pubspec.lock b/provider_shopper/pubspec.lock
index 4b46fb0a5..acdb236ff 100644
--- a/provider_shopper/pubspec.lock
+++ b/provider_shopper/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -80,7 +80,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -155,7 +155,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -169,7 +169,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.16.0"
diff --git a/provider_shopper/test/catalog_widget_test.dart b/provider_shopper/test/catalog_widget_test.dart
index 129a30fae..48149eb5e 100644
--- a/provider_shopper/test/catalog_widget_test.dart
+++ b/provider_shopper/test/catalog_widget_test.dart
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:provider/provider.dart';
 import 'package:provider_shopper/models/cart.dart';
diff --git a/testing_app/pubspec.lock b/testing_app/pubspec.lock
index 2ec4a4c1a..5ad1061a5 100644
--- a/testing_app/pubspec.lock
+++ b/testing_app/pubspec.lock
@@ -21,7 +21,7 @@ packages:
       name: archive
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.2"
+    version: "3.1.6"
   args:
     dependency: transitive
     description:
@@ -35,7 +35,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -49,7 +49,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -214,7 +214,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -270,7 +270,7 @@ packages:
       name: platform
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.0.2"
   pool:
     dependency: transitive
     description:
@@ -284,7 +284,7 @@ packages:
       name: process
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.2.3"
+    version: "4.2.4"
   provider:
     dependency: "direct main"
     description:
@@ -394,21 +394,21 @@ packages:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.17.10"
+    version: "1.17.12"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   test_core:
     dependency: transitive
     description:
       name: test_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.0"
+    version: "0.4.2"
   typed_data:
     dependency: transitive
     description:
@@ -422,14 +422,14 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   vm_service:
     dependency: transitive
     description:
       name: vm_service
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "7.1.1"
+    version: "7.3.0"
   watcher:
     dependency: transitive
     description:
diff --git a/veggieseasons/lib/screens/details.dart b/veggieseasons/lib/screens/details.dart
index a6b7ac1af..1714e69ed 100644
--- a/veggieseasons/lib/screens/details.dart
+++ b/veggieseasons/lib/screens/details.dart
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/widgets.dart';
 import 'package:provider/provider.dart';
 import 'package:veggieseasons/data/app_state.dart';
 import 'package:veggieseasons/data/preferences.dart';
diff --git a/veggieseasons/lib/screens/favorites.dart b/veggieseasons/lib/screens/favorites.dart
index e76aaa84b..0e6c03122 100644
--- a/veggieseasons/lib/screens/favorites.dart
+++ b/veggieseasons/lib/screens/favorites.dart
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/widgets.dart';
 import 'package:provider/provider.dart';
 import 'package:veggieseasons/data/app_state.dart';
 import 'package:veggieseasons/data/veggie.dart';
diff --git a/veggieseasons/lib/screens/home.dart b/veggieseasons/lib/screens/home.dart
index ca2e475cb..dacd49b4e 100644
--- a/veggieseasons/lib/screens/home.dart
+++ b/veggieseasons/lib/screens/home.dart
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/widgets.dart';
 import 'package:veggieseasons/screens/favorites.dart';
 import 'package:veggieseasons/screens/list.dart';
 import 'package:veggieseasons/screens/search.dart';
diff --git a/veggieseasons/lib/screens/list.dart b/veggieseasons/lib/screens/list.dart
index aee80d31e..c89395299 100644
--- a/veggieseasons/lib/screens/list.dart
+++ b/veggieseasons/lib/screens/list.dart
@@ -4,7 +4,6 @@
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:intl/intl.dart';
 import 'package:provider/provider.dart';
 import 'package:veggieseasons/data/app_state.dart';
diff --git a/veggieseasons/lib/screens/search.dart b/veggieseasons/lib/screens/search.dart
index b520d66fa..ee3c9b49d 100644
--- a/veggieseasons/lib/screens/search.dart
+++ b/veggieseasons/lib/screens/search.dart
@@ -4,7 +4,6 @@
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:provider/provider.dart';
 import 'package:veggieseasons/data/app_state.dart';
 import 'package:veggieseasons/data/veggie.dart';
diff --git a/veggieseasons/lib/screens/settings.dart b/veggieseasons/lib/screens/settings.dart
index c3ba2237f..ae4cbd84d 100644
--- a/veggieseasons/lib/screens/settings.dart
+++ b/veggieseasons/lib/screens/settings.dart
@@ -3,8 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:provider/provider.dart';
 import 'package:veggieseasons/data/preferences.dart';
 import 'package:veggieseasons/data/veggie.dart';
diff --git a/veggieseasons/lib/styles.dart b/veggieseasons/lib/styles.dart
index 03bfff303..71151fd6f 100644
--- a/veggieseasons/lib/styles.dart
+++ b/veggieseasons/lib/styles.dart
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/widgets.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:veggieseasons/data/veggie.dart';
 
diff --git a/veggieseasons/lib/widgets/close_button.dart b/veggieseasons/lib/widgets/close_button.dart
index 9c7521c6e..6a9f784a7 100644
--- a/veggieseasons/lib/widgets/close_button.dart
+++ b/veggieseasons/lib/widgets/close_button.dart
@@ -5,7 +5,6 @@
 import 'dart:ui';
 
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/widgets.dart';
 import 'package:veggieseasons/styles.dart';
 
 /// Partially overlays and then blurs its child's background.
diff --git a/veggieseasons/lib/widgets/trivia.dart b/veggieseasons/lib/widgets/trivia.dart
index 27f16328b..ac91a27f0 100644
--- a/veggieseasons/lib/widgets/trivia.dart
+++ b/veggieseasons/lib/widgets/trivia.dart
@@ -1,5 +1,4 @@
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/widgets.dart';
 import 'package:provider/provider.dart';
 import 'package:veggieseasons/data/app_state.dart';
 import 'package:veggieseasons/data/veggie.dart';
diff --git a/veggieseasons/pubspec.lock b/veggieseasons/pubspec.lock
index 9f3b73ef8..e97bf0316 100644
--- a/veggieseasons/pubspec.lock
+++ b/veggieseasons/pubspec.lock
@@ -21,7 +21,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -35,7 +35,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -162,7 +162,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -342,7 +342,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -356,7 +356,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   win32:
     dependency: transitive
     description:
diff --git a/veggieseasons/test/restoration_test.dart b/veggieseasons/test/restoration_test.dart
index 9b9231ac2..82ea77421 100644
--- a/veggieseasons/test/restoration_test.dart
+++ b/veggieseasons/test/restoration_test.dart
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:veggieseasons/data/app_state.dart';
diff --git a/web/slide_puzzle b/web/slide_puzzle
index 7b2f326b6..023a0ee1f 160000
--- a/web/slide_puzzle
+++ b/web/slide_puzzle
@@ -1 +1 @@
-Subproject commit 7b2f326b6a1733c2d31ce9c7cc6e5d7d8d405d07
+Subproject commit 023a0ee1fa1267001c170ea58a0c600b9c2138c1