Bump deps and min SDKs, move web apps to new bootstrapping logic (#2292)

Also removed the web measurement experiment from the material 3 demo
2025-11-08 13:58:47 +00:00 · 2024-05-14 22:33:41 -07:00
parent 4776ad597b
commit a858f4701e
83 changed files with 90 additions and 556 deletions
--- a/add_to_app/android_view/flutter_module_using_plugin/pubspec.yaml
+++ b/add_to_app/android_view/flutter_module_using_plugin/pubspec.yaml
@@ -4,7 +4,7 @@ description: An example Flutter module that uses a plugin.
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/add_to_app/books/flutter_module_books/pubspec.yaml
+++ b/add_to_app/books/flutter_module_books/pubspec.yaml
@@ -6,7 +6,7 @@ description: A Flutter module using the Pigeon package to demonstrate
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/add_to_app/fullscreen/flutter_module/pubspec.yaml
+++ b/add_to_app/fullscreen/flutter_module/pubspec.yaml
@@ -4,7 +4,7 @@ description: An example Flutter module.
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/add_to_app/multiple_flutters/multiple_flutters_module/pubspec.yaml
+++ b/add_to_app/multiple_flutters/multiple_flutters_module/pubspec.yaml
@@ -4,7 +4,7 @@ description: A module that is embedded in the multiple_flutters_ios and multiple
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/add_to_app/plugin/flutter_module_using_plugin/pubspec.yaml
+++ b/add_to_app/plugin/flutter_module_using_plugin/pubspec.yaml
@@ -4,7 +4,7 @@ description: An example Flutter module that uses a plugin.
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/add_to_app/prebuilt_module/flutter_module/pubspec.yaml
+++ b/add_to_app/prebuilt_module/flutter_module/pubspec.yaml
@@ -4,7 +4,7 @@ description: An example Flutter module.
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/ai_recipe_generation/pubspec.yaml
+++ b/ai_recipe_generation/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0

 environment:
-  sdk: '>=3.2.3 <4.0.0'
+  sdk: ^3.4.0-0

 dependencies:
  async: ^2.11.0
@@ -18,7 +18,7 @@ dependencies:
  flutter_markdown: ^0.6.20
  flutter_svg: ^2.0.9
  google_fonts: 6.1.0
-  google_generative_ai: ^0.2.0
+  google_generative_ai: ^0.4.0
  image_picker: ^1.0.7
  material_symbols_icons: ^4.2719.1
  path: ^1.9.0
--- a/ai_recipe_generation/web/index.html
+++ b/ai_recipe_generation/web/index.html
@@ -31,29 +31,8 @@

  <title>gemini_io_talk</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    const serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/analysis_defaults/pubspec.yaml
+++ b/analysis_defaults/pubspec.yaml
@@ -3,7 +3,7 @@ description: Analysis defaults for flutter/samples
 publish_to: none

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 # NOTE: Code is not allowed in this package. Do not add more dependencies.
 # The `flutter_lints` dependency is required for `lib/flutter.yaml`.
--- a/android_splash_screen/pubspec.yaml
+++ b/android_splash_screen/pubspec.yaml
@@ -6,7 +6,7 @@ publish_to: "none"
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/animations/pubspec.yaml
+++ b/animations/pubspec.yaml
@@ -4,7 +4,7 @@ version: 1.0.0+1
 publish_to: none

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/animations/web/index.html
+++ b/animations/web/index.html
@@ -31,29 +31,8 @@

  <title>animations</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    const serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/asset_transformation/grayscale_transformer/pubspec.yaml
+++ b/asset_transformation/grayscale_transformer/pubspec.yaml
@@ -3,12 +3,12 @@ description: A sample command-line application.
 version: 1.0.0

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  args: ^2.4.2
  image: ^4.1.7

 dev_dependencies:
-  lints: ^3.0.0
+  lints: ^4.0.0
  test: ^1.24.0
--- a/asset_transformation/pubspec.yaml
+++ b/asset_transformation/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
@@ -14,7 +14,7 @@ dependencies:
 dev_dependencies:
  flutter_test:
    sdk: flutter
-  flutter_lints: ^3.0.0
+  flutter_lints: ^4.0.0
  vector_graphics_compiler: ^1.1.11+1
  grayscale_transformer:
    path: ./grayscale_transformer
--- a/background_isolate_channels/pubspec.yaml
+++ b/background_isolate_channels/pubspec.yaml
@@ -6,7 +6,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  cupertino_icons: ^1.0.2
--- a/code_sharing/client/pubspec.yaml
+++ b/code_sharing/client/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: "none"
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  cupertino_icons: ^1.0.2
--- a/code_sharing/client/web/index.html
+++ b/code_sharing/client/web/index.html
@@ -31,29 +31,8 @@

  <title>client</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    var serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/code_sharing/server/pubspec.yaml
+++ b/code_sharing/server/pubspec.yaml
@@ -4,7 +4,7 @@ version: 1.0.0
 publish_to: "none"

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  args: ^2.0.0
--- a/code_sharing/shared/pubspec.yaml
+++ b/code_sharing/shared/pubspec.yaml
@@ -3,7 +3,7 @@ description: Common data models required by our client and server
 version: 1.0.0

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  freezed_annotation: ^2.1.0
--- a/context_menus/pubspec.yaml
+++ b/context_menus/pubspec.yaml
@@ -20,7 +20,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions
--- a/context_menus/web/index.html
+++ b/context_menus/web/index.html
@@ -31,29 +31,8 @@

  <title>context_menus</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    var serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/deeplink_store_example/pubspec.yaml
+++ b/deeplink_store_example/pubspec.yaml
@@ -19,7 +19,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions
--- a/deeplink_store_example/web/index.html
+++ b/deeplink_store_example/web/index.html
@@ -31,29 +31,8 @@

  <title>deeplink_store_example</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    var serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/desktop_photo_search/fluent_ui/pubspec.yaml
+++ b/desktop_photo_search/fluent_ui/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  built_collection: ^5.1.1
--- a/desktop_photo_search/material/pubspec.yaml
+++ b/desktop_photo_search/material/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  built_collection: ^5.1.1
--- a/dynamic_theme/pubspec.yaml
+++ b/dynamic_theme/pubspec.yaml
@@ -9,13 +9,13 @@ dependencies:
  flutter:
    sdk: flutter
  flutter_markdown: ^0.7.1
-  google_generative_ai: ^0.3.3
+  google_generative_ai: ^0.4.0
  url_launcher: ^6.2.6

 dev_dependencies:
  flutter_test:
    sdk: flutter
-  flutter_lints: ^3.0.0
+  flutter_lints: ^4.0.0

 flutter:
  uses-material-design: true
--- a/dynamic_theme/web/index.html
+++ b/dynamic_theme/web/index.html
@@ -31,29 +31,8 @@

  <title>dynamic_theme</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    const serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/experimental/federated_plugin/federated_plugin/example/pubspec.yaml
+++ b/experimental/federated_plugin/federated_plugin/example/pubspec.yaml
@@ -4,7 +4,7 @@ description: Demonstrates how to use the federated_plugin plugin.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/experimental/federated_plugin/federated_plugin/pubspec.yaml
+++ b/experimental/federated_plugin/federated_plugin/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 publish_to: "none"

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/experimental/federated_plugin/federated_plugin_macos/pubspec.yaml
+++ b/experimental/federated_plugin/federated_plugin_macos/pubspec.yaml
@@ -4,7 +4,7 @@ version: 0.0.1
 homepage:

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/experimental/federated_plugin/federated_plugin_platform_interface/pubspec.yaml
+++ b/experimental/federated_plugin/federated_plugin_platform_interface/pubspec.yaml
@@ -4,7 +4,7 @@ version: 0.0.1
 homepage:

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/experimental/federated_plugin/federated_plugin_web/pubspec.yaml
+++ b/experimental/federated_plugin/federated_plugin_web/pubspec.yaml
@@ -4,7 +4,7 @@ version: 0.0.1
 publish_to: none

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/experimental/federated_plugin/federated_plugin_windows/pubspec.yaml
+++ b/experimental/federated_plugin/federated_plugin_windows/pubspec.yaml
@@ -4,7 +4,7 @@ version: 0.0.1
 homepage:

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/experimental/linting_tool/pubspec.yaml
+++ b/experimental/linting_tool/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0+1
 publish_to: "none"

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/experimental/pedometer/example/pubspec.yaml
+++ b/experimental/pedometer/example/pubspec.yaml
@@ -19,7 +19,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions
--- a/experimental/pedometer/pubspec.yaml
+++ b/experimental/pedometer/pubspec.yaml
@@ -4,7 +4,7 @@ version: 0.0.1
 publish_to: none

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/experimental/varfont_shader_puzzle/pubspec.yaml
+++ b/experimental/varfont_shader_puzzle/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/experimental/web_dashboard/pubspec.yaml
+++ b/experimental/web_dashboard/pubspec.yaml
@@ -4,7 +4,7 @@ version: 1.0.0+1
 publish_to: none

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  cloud_firestore: ^4.15.6
--- a/flutter_maps_firestore/pubspec.yaml
+++ b/flutter_maps_firestore/pubspec.yaml
@@ -3,7 +3,7 @@ description: A new Flutter project.
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/form_app/pubspec.yaml
+++ b/form_app/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: "none"
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/form_app/web/index.html
+++ b/form_app/web/index.html
@@ -31,29 +31,8 @@

  <title>form_app</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    const serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/game_template/pubspec.yaml
+++ b/game_template/pubspec.yaml
@@ -7,7 +7,7 @@ publish_to: 'none'
 version: 0.0.1+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/game_template/web/index.html
+++ b/game_template/web/index.html
@@ -32,28 +32,8 @@
  <title>game_template</title>
  <link rel="manifest" href="manifest.json">

-  <script>
-    // The value below is injected by flutter build, do not touch.
-    var serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/gemini_tasks/pubspec.yaml
+++ b/gemini_tasks/pubspec.yaml
@@ -9,13 +9,13 @@ dependencies:
  flutter:
    sdk: flutter
  flutter_markdown: ^0.7.1
-  google_generative_ai: ^0.3.3
+  google_generative_ai: ^0.4.0
  url_launcher: ^6.2.6

 dev_dependencies:
  flutter_test:
    sdk: flutter
-  flutter_lints: ^3.0.0
+  flutter_lints: ^4.0.0

 flutter:
  uses-material-design: true
--- a/gemini_tasks/web/index.html
+++ b/gemini_tasks/web/index.html
@@ -31,29 +31,8 @@

  <title>gemini_tasks</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    const serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/google_maps/pubspec.yaml
+++ b/google_maps/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/google_maps/web/index.html
+++ b/google_maps/web/index.html
@@ -35,28 +35,8 @@
  <title>google_maps_in_flutter</title>
  <link rel="manifest" href="manifest.json">

-  <script>
-    // The value below is injected by flutter build, do not touch.
-    var serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/infinite_list/pubspec.yaml
+++ b/infinite_list/pubspec.yaml
@@ -5,7 +5,7 @@ publish_to: none
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/infinite_list/web/index.html
+++ b/infinite_list/web/index.html
@@ -31,29 +31,8 @@

  <title>infinite_list</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    const serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/ios_app_clip/pubspec.yaml
+++ b/ios_app_clip/pubspec.yaml
@@ -6,7 +6,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/isolate_example/pubspec.yaml
+++ b/isolate_example/pubspec.yaml
@@ -4,7 +4,7 @@ version: 1.0.0+1
 publish_to: none

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/material_3_demo/.gitignore
+++ b/material_3_demo/.gitignore
@@ -32,9 +32,6 @@ migrate_working_dir/
 .pub/
 /build/

-# Web related
-lib/generated_plugin_registrant.dart
-
 # Symbolication related
 app.*.symbols

--- a/material_3_demo/lib/main.dart
+++ b/material_3_demo/lib/main.dart
@@ -2,34 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

-import 'dart:convert';
-
 import 'package:flutter/material.dart';
-import 'package:web_startup_analyzer/web_startup_analyzer.dart';

 import 'constants.dart';
 import 'home.dart';

 void main() async {
-  var analyzer = WebStartupAnalyzer(additionalFrameCount: 10);
-  debugPrint(json.encode(analyzer.startupTiming));
-  analyzer.onFirstFrame.addListener(() {
-    debugPrint(json.encode({'firstFrame': analyzer.onFirstFrame.value}));
-  });
-  analyzer.onFirstPaint.addListener(() {
-    debugPrint(json.encode({
-      'firstPaint': analyzer.onFirstPaint.value?.$1,
-      'firstContentfulPaint': analyzer.onFirstPaint.value?.$2,
-    }));
-  });
-  analyzer.onAdditionalFrames.addListener(() {
-    debugPrint(json.encode({
-      'additionalFrames': analyzer.onAdditionalFrames.value,
-    }));
-  });
-  runApp(
-    const App(),
-  );
+  runApp(const App());
 }

 class App extends StatefulWidget {
--- a/material_3_demo/pubspec.yaml
+++ b/material_3_demo/pubspec.yaml
@@ -17,8 +17,6 @@ dependencies:

  cupertino_icons: ^1.0.2
  url_launcher: ^6.1.8
-  web_startup_analyzer:
-    path: ../web/_packages/web_startup_analyzer

 dev_dependencies:
  analysis_defaults:
--- a/material_3_demo/web/index.html
+++ b/material_3_demo/web/index.html
@@ -31,37 +31,8 @@

  <title>material_3_demo</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    var serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
-  <script type="text/javascript" src="assets/packages/web_startup_analyzer/lib/web_startup_analyzer.js"></script>
 </head>
 <body>
-<script>
-  var flutterWebStartupAnalyzer = new FlutterWebStartupAnalyzer();
-  var analyzer = flutterWebStartupAnalyzer;
-
-  window.addEventListener('load', function(ev) {
-    analyzer.markStart("loadEntrypoint");
-    _flutter.loader.loadEntrypoint({
-      serviceWorker: {
-        serviceWorkerVersion: serviceWorkerVersion,
-      },
-      onEntrypointLoaded: function(engineInitializer) {
-        analyzer.markFinished("loadEntrypoint");
-        analyzer.markStart("initializeEngine");
-        engineInitializer.initializeEngine().then(function(appRunner) {
-          analyzer.markFinished("initializeEngine");
-          analyzer.markStart("appRunnerRunApp");
-          appRunner.runApp();
-        });
-      }
-    });
-  });
-</script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/navigation_and_routing/pubspec.yaml
+++ b/navigation_and_routing/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  adaptive_navigation: ^0.0.3
--- a/navigation_and_routing/web/index.html
+++ b/navigation_and_routing/web/index.html
@@ -31,29 +31,8 @@

  <title>navigation_and_routing</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    const serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/place_tracker/pubspec.yaml
+++ b/place_tracker/pubspec.yaml
@@ -4,7 +4,7 @@ description: A new Flutter project.
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/place_tracker/web/index.html
+++ b/place_tracker/web/index.html
@@ -34,29 +34,8 @@

  <!-- Google Maps: https://pub.dev/packages/google_maps_flutter_web -->
  <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY"></script>
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    const serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/platform_channels/pubspec.yaml
+++ b/platform_channels/pubspec.yaml
@@ -4,7 +4,7 @@ description: A new Flutter project.
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/platform_design/pubspec.yaml
+++ b/platform_design/pubspec.yaml
@@ -3,7 +3,7 @@ description: A project showcasing a Flutter app following different platform IA
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  english_words: ^4.0.0
--- a/platform_design/web/index.html
+++ b/platform_design/web/index.html
@@ -31,29 +31,8 @@

  <title>platform_design</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    const serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/platform_view_swift/pubspec.yaml
+++ b/platform_view_swift/pubspec.yaml
@@ -4,7 +4,7 @@ description: A new Flutter project.
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/provider_counter/pubspec.yaml
+++ b/provider_counter/pubspec.yaml
@@ -5,7 +5,7 @@ publish_to: none
 version: 1.0.0

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/provider_counter/web/index.html
+++ b/provider_counter/web/index.html
@@ -32,28 +32,8 @@
  <title>provider_counter</title>
  <link rel="manifest" href="manifest.json">

-  <script>
-    // The value below is injected by flutter build, do not touch.
-    var serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/provider_shopper/pubspec.yaml
+++ b/provider_shopper/pubspec.yaml
@@ -5,7 +5,7 @@ publish_to: none
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/provider_shopper/web/index.html
+++ b/provider_shopper/web/index.html
@@ -31,29 +31,8 @@

  <title>provider_shopper</title>
  <link rel="manifest" href="manifest.json">
-
-  <script>
-    // The value below is injected by flutter build, do not touch.
-    const serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/simple_shader/pubspec.yaml
+++ b/simple_shader/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/simple_shader/web/index.html
+++ b/simple_shader/web/index.html
@@ -32,28 +32,8 @@
  <title>simple_shader</title>
  <link rel="manifest" href="manifest.json">

-  <script>
-    // The value below is injected by flutter build, do not touch.
-    var serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/simplistic_calculator/pubspec.yaml
+++ b/simplistic_calculator/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  auto_size_text: ^3.0.0
--- a/simplistic_calculator/web/index.html
+++ b/simplistic_calculator/web/index.html
@@ -32,28 +32,8 @@
  <title>simplistic_calculator</title>
  <link rel="manifest" href="manifest.json">

-  <script>
-    // The value below is injected by flutter build, do not touch.
-    var serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/simplistic_editor/pubspec.yaml
+++ b/simplistic_editor/pubspec.yaml
@@ -18,7 +18,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions
--- a/simplistic_editor/web/index.html
+++ b/simplistic_editor/web/index.html
@@ -32,28 +32,8 @@
  <title>simplistic_editor</title>
  <link rel="manifest" href="manifest.json">

-  <script>
-    // The value below is injected by flutter build, do not touch.
-    var serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/testing_app/pubspec.yaml
+++ b/testing_app/pubspec.yaml
@@ -4,7 +4,7 @@ description: A sample that shows testing in Flutter.
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/testing_app/web/index.html
+++ b/testing_app/web/index.html
@@ -32,28 +32,8 @@
  <title>testing_app</title>
  <link rel="manifest" href="manifest.json">

-  <script>
-    // The value below is injected by flutter build, do not touch.
-    var serviceWorkerVersion = null;
-  </script>
-  <!-- This script adds the flutter initialization JS code -->
-  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <script>
-    window.addEventListener('load', function(ev) {
-      // Download main.dart.js
-      _flutter.loader.loadEntrypoint({
-        serviceWorker: {
-          serviceWorkerVersion: serviceWorkerVersion,
-        },
-        onEntrypointLoaded: function(engineInitializer) {
-          engineInitializer.initializeEngine().then(function(appRunner) {
-            appRunner.runApp();
-          });
-        }
-      });
-    });
-  </script>
+  <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>
--- a/veggieseasons/pubspec.yaml
+++ b/veggieseasons/pubspec.yaml
@@ -5,7 +5,7 @@ publish_to: none
 version: 1.2.0

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  flutter:
--- a/web/_packages/web_startup_analyzer/example/lib/main.dart
+++ b/web/_packages/web_startup_analyzer/example/lib/main.dart
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

+// ignore_for_file: avoid_print
+
 import 'dart:convert';

 import 'package:flutter/material.dart';
--- a/web/_packages/web_startup_analyzer/example/pubspec.yaml
+++ b/web/_packages/web_startup_analyzer/example/pubspec.yaml
@@ -3,7 +3,7 @@ description: "flutter_web_startup_analyzer example"
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0
  flutter: ^3.16.0
 dependencies:
  flutter:
@@ -14,6 +14,6 @@ dependencies:
 dev_dependencies:
  flutter_test:
    sdk: flutter
-  flutter_lints: ^3.0.0
+  flutter_lints: ^4.0.0
 flutter:
  uses-material-design: true
--- a/web/_packages/web_startup_analyzer/pubspec.yaml
+++ b/web/_packages/web_startup_analyzer/pubspec.yaml
@@ -3,7 +3,7 @@ description: "Captures web startup timing data in a Flutter web app"
 version: 0.1.0-wip

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0
  flutter: ^3.16.0

 dependencies:
@@ -13,7 +13,7 @@ dependencies:
 dev_dependencies:
  flutter_test:
    sdk: flutter
-  flutter_lints: ^3.0.0
+  flutter_lints: ^4.0.0
 flutter:
  assets:
    - lib/web_startup_analyzer.js
--- a/web/_tool/pubspec.yaml
+++ b/web/_tool/pubspec.yaml
@@ -2,7 +2,7 @@ name: tool
 publish_to: none

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  markdown: ^7.0.0
--- a/web/samples_index/pubspec.yaml
+++ b/web/samples_index/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 publish_to: none

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  checked_yaml: ^2.0.3
--- a/web_embedding/element_embedding_demo/pubspec.yaml
+++ b/web_embedding/element_embedding_demo/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 1.0.0+1

 environment:
-  sdk: ^3.3.1
+  sdk: ^3.4.0-0

 dependencies:
  cupertino_icons: ^1.0.2
--- a/web_embedding/ng-flutter/flutter/pubspec.yaml
+++ b/web_embedding/ng-flutter/flutter/pubspec.yaml
@@ -4,8 +4,8 @@ publish_to: none
 version: 1.0.0

 environment:
-  sdk: ^3.3.1
-  flutter: ">=3.19.0"
+  sdk: ^3.4.0-0
+  flutter: ">=3.22.0-0"

 dependencies:
  flutter: