diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index fb0c9c0227..06e616af59 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,10 +27,10 @@ jobs:
         include:
           - name: "Beta channel"
             branch: beta
-            experimental: true
+            experimental: false
           - name: "Stable channel"
             branch: stable
-            experimental: false
+            experimental: true
     continue-on-error: ${{ matrix.experimental }}
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
@@ -62,7 +62,7 @@ jobs:
           submodules: recursive
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
-          sdk: stable
+          sdk: beta
       - name: Fetch Dart dependencies
         run: dart pub get
       - name: Check if excerpts are up to date
@@ -88,7 +88,7 @@ jobs:
         run: pnpm install --frozen-lockfile
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
-          sdk: stable
+          sdk: beta
       - name: Fetch Dart dependencies
         run: dart pub get
       - name: Build site
@@ -108,7 +108,7 @@ jobs:
           submodules: recursive
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
         with:
-          sdk: stable
+          sdk: beta
       - name: Fetch Dart dependencies
         run: dart pub get
       - name: Validate the firebase.json file
diff --git a/examples/_animation/basic_hero_animation/pubspec.yaml b/examples/_animation/basic_hero_animation/pubspec.yaml
index 7ce8ec87f6..a5b9111f31 100644
--- a/examples/_animation/basic_hero_animation/pubspec.yaml
+++ b/examples/_animation/basic_hero_animation/pubspec.yaml
@@ -5,7 +5,7 @@ description: >-
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/_animation/basic_radial_hero_animation/pubspec.yaml b/examples/_animation/basic_radial_hero_animation/pubspec.yaml
index de5ca8f41f..c60e8d2a35 100644
--- a/examples/_animation/basic_radial_hero_animation/pubspec.yaml
+++ b/examples/_animation/basic_radial_hero_animation/pubspec.yaml
@@ -6,7 +6,7 @@ description: >-
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/_animation/basic_staggered_animation/pubspec.yaml b/examples/_animation/basic_staggered_animation/pubspec.yaml
index bbb98130ba..a2abd7558c 100644
--- a/examples/_animation/basic_staggered_animation/pubspec.yaml
+++ b/examples/_animation/basic_staggered_animation/pubspec.yaml
@@ -4,7 +4,7 @@ description: An introductory example to staggered animations.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/_animation/hero_animation/pubspec.yaml b/examples/_animation/hero_animation/pubspec.yaml
index 9a4b593408..0b2c64d606 100644
--- a/examples/_animation/hero_animation/pubspec.yaml
+++ b/examples/_animation/hero_animation/pubspec.yaml
@@ -4,7 +4,7 @@ description: Shows how to create a simple Hero transition.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/_animation/radial_hero_animation/pubspec.yaml b/examples/_animation/radial_hero_animation/pubspec.yaml
index b9702d4a54..15609ebc55 100644
--- a/examples/_animation/radial_hero_animation/pubspec.yaml
+++ b/examples/_animation/radial_hero_animation/pubspec.yaml
@@ -6,7 +6,7 @@ description: >-
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/_animation/radial_hero_animation_animate_rectclip/pubspec.yaml b/examples/_animation/radial_hero_animation_animate_rectclip/pubspec.yaml
index 03547eb769..57f5ff237e 100644
--- a/examples/_animation/radial_hero_animation_animate_rectclip/pubspec.yaml
+++ b/examples/_animation/radial_hero_animation_animate_rectclip/pubspec.yaml
@@ -6,7 +6,7 @@ description: >-
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/_animation/staggered_pic_selection/pubspec.yaml b/examples/_animation/staggered_pic_selection/pubspec.yaml
index 29dad14969..cd87200bfc 100644
--- a/examples/_animation/staggered_pic_selection/pubspec.yaml
+++ b/examples/_animation/staggered_pic_selection/pubspec.yaml
@@ -4,7 +4,7 @@ description: A more complex staggered animation example.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/accessibility/pubspec.yaml b/examples/accessibility/pubspec.yaml
index 578687b248..7efeb7f1af 100644
--- a/examples/accessibility/pubspec.yaml
+++ b/examples/accessibility/pubspec.yaml
@@ -5,7 +5,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/animation/animate0/pubspec.yaml b/examples/animation/animate0/pubspec.yaml
index 262dfa0ab2..4782316b5d 100644
--- a/examples/animation/animate0/pubspec.yaml
+++ b/examples/animation/animate0/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/animation/animate1/pubspec.yaml b/examples/animation/animate1/pubspec.yaml
index cd5f943bc9..086594de36 100644
--- a/examples/animation/animate1/pubspec.yaml
+++ b/examples/animation/animate1/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/animation/animate2/pubspec.yaml b/examples/animation/animate2/pubspec.yaml
index c698a23a66..a26ef8f9d0 100644
--- a/examples/animation/animate2/pubspec.yaml
+++ b/examples/animation/animate2/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/animation/animate3/pubspec.yaml b/examples/animation/animate3/pubspec.yaml
index 46726ef258..d9f07c02ee 100644
--- a/examples/animation/animate3/pubspec.yaml
+++ b/examples/animation/animate3/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/animation/animate4/pubspec.yaml b/examples/animation/animate4/pubspec.yaml
index f4917e7248..18db6ec3f5 100644
--- a/examples/animation/animate4/pubspec.yaml
+++ b/examples/animation/animate4/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/animation/animate5/pubspec.yaml b/examples/animation/animate5/pubspec.yaml
index 38f083ce4c..b19b5c04ea 100644
--- a/examples/animation/animate5/pubspec.yaml
+++ b/examples/animation/animate5/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/animation/implicit/pubspec.yaml b/examples/animation/implicit/pubspec.yaml
index b894998df5..1f85b579b0 100644
--- a/examples/animation/implicit/pubspec.yaml
+++ b/examples/animation/implicit/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/app-architecture/command/pubspec.yaml b/examples/app-architecture/command/pubspec.yaml
index c2d671a49a..5622b3e15e 100644
--- a/examples/app-architecture/command/pubspec.yaml
+++ b/examples/app-architecture/command/pubspec.yaml
@@ -3,7 +3,7 @@ description: Example for command cookbook recipe
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/app-architecture/offline_first/pubspec.yaml b/examples/app-architecture/offline_first/pubspec.yaml
index 428b3ef121..c72937c777 100644
--- a/examples/app-architecture/offline_first/pubspec.yaml
+++ b/examples/app-architecture/offline_first/pubspec.yaml
@@ -3,18 +3,18 @@ description: Example for offline_first cookbook recipe
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  freezed_annotation: ^3.0.0
+  freezed_annotation: ^3.1.0
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  build_runner: ^2.4.15
-  freezed: ^3.0.6
+  build_runner: ^2.6.0
+  freezed: ^3.2.0
 
 flutter:
   uses-material-design: true
diff --git a/examples/app-architecture/optimistic_state/pubspec.yaml b/examples/app-architecture/optimistic_state/pubspec.yaml
index 53c8806f70..daa66bc35e 100644
--- a/examples/app-architecture/optimistic_state/pubspec.yaml
+++ b/examples/app-architecture/optimistic_state/pubspec.yaml
@@ -3,7 +3,7 @@ description: Example for optimistic_state cookbook recipe
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/app-architecture/result/pubspec.yaml b/examples/app-architecture/result/pubspec.yaml
index 8e8616ec0b..cb01991917 100644
--- a/examples/app-architecture/result/pubspec.yaml
+++ b/examples/app-architecture/result/pubspec.yaml
@@ -3,7 +3,7 @@ description: Example for result cookbook recipe
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/app-architecture/todo_data_service/pubspec.yaml b/examples/app-architecture/todo_data_service/pubspec.yaml
index 5aa3a15c48..b89b96fd9e 100644
--- a/examples/app-architecture/todo_data_service/pubspec.yaml
+++ b/examples/app-architecture/todo_data_service/pubspec.yaml
@@ -3,24 +3,24 @@ description: Example for key_value_data cookbook recipe
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  freezed_annotation: ^3.0.0
+  freezed_annotation: ^3.1.0
   json_annotation: ^4.9.0
-  path: ^1.9.0
+  path: ^1.9.1
   shared_preferences: ^2.5.3
-  sqflite: ^2.4.0
-  sqflite_common_ffi: ^2.3.4
+  sqflite: ^2.4.2
+  sqflite_common_ffi: ^2.3.6
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  build_runner: ^2.4.15
-  freezed: ^3.0.6
-  json_serializable: ^6.9.5
+  build_runner: ^2.6.0
+  freezed: ^3.2.0
+  json_serializable: ^6.10.0
 
 flutter:
   uses-material-design: true
\ No newline at end of file
diff --git a/examples/cookbook/animation/animated_container/pubspec.yaml b/examples/cookbook/animation/animated_container/pubspec.yaml
index d384249cdf..54879e6996 100644
--- a/examples/cookbook/animation/animated_container/pubspec.yaml
+++ b/examples/cookbook/animation/animated_container/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for cookbook.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/animation/opacity_animation/pubspec.yaml b/examples/cookbook/animation/opacity_animation/pubspec.yaml
index 365cebd394..927564afc7 100644
--- a/examples/cookbook/animation/opacity_animation/pubspec.yaml
+++ b/examples/cookbook/animation/opacity_animation/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for cookbook.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/animation/page_route_animation/pubspec.yaml b/examples/cookbook/animation/page_route_animation/pubspec.yaml
index dd5ce4ab6d..882d4a4770 100644
--- a/examples/cookbook/animation/page_route_animation/pubspec.yaml
+++ b/examples/cookbook/animation/page_route_animation/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for cookbook.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/animation/physics_simulation/pubspec.yaml b/examples/cookbook/animation/physics_simulation/pubspec.yaml
index 7d2e4836c7..a6d671296f 100644
--- a/examples/cookbook/animation/physics_simulation/pubspec.yaml
+++ b/examples/cookbook/animation/physics_simulation/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for cookbook.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/design/drawer/pubspec.yaml b/examples/cookbook/design/drawer/pubspec.yaml
index efd6c9df10..256529d8f0 100644
--- a/examples/cookbook/design/drawer/pubspec.yaml
+++ b/examples/cookbook/design/drawer/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for drawer cookbook recipe.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/design/fonts/pubspec.yaml b/examples/cookbook/design/fonts/pubspec.yaml
index 7a73aca9a6..6c6948694b 100644
--- a/examples/cookbook/design/fonts/pubspec.yaml
+++ b/examples/cookbook/design/fonts/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/design/orientation/pubspec.yaml b/examples/cookbook/design/orientation/pubspec.yaml
index c6dad04204..50bb3a62a7 100644
--- a/examples/cookbook/design/orientation/pubspec.yaml
+++ b/examples/cookbook/design/orientation/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for orientation cookbook recipe.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/design/package_fonts/pubspec.yaml b/examples/cookbook/design/package_fonts/pubspec.yaml
index 04bfa3cc15..f5b5c9b9de 100644
--- a/examples/cookbook/design/package_fonts/pubspec.yaml
+++ b/examples/cookbook/design/package_fonts/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/design/snackbars/pubspec.yaml b/examples/cookbook/design/snackbars/pubspec.yaml
index 6756fcdb1b..788a99c40a 100644
--- a/examples/cookbook/design/snackbars/pubspec.yaml
+++ b/examples/cookbook/design/snackbars/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for snackbars cookbook recipe.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/design/tabs/pubspec.yaml b/examples/cookbook/design/tabs/pubspec.yaml
index db4be48319..e240c6172f 100644
--- a/examples/cookbook/design/tabs/pubspec.yaml
+++ b/examples/cookbook/design/tabs/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for tabs cookbook recipe.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/design/themes/pubspec.yaml b/examples/cookbook/design/themes/pubspec.yaml
index bec8274449..22fe7bcb97 100644
--- a/examples/cookbook/design/themes/pubspec.yaml
+++ b/examples/cookbook/design/themes/pubspec.yaml
@@ -3,12 +3,12 @@ description: Sample code for themes cookbook recipe.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  google_fonts: ^6.2.1
+  google_fonts: ^6.3.0
 
 flutter:
   uses-material-design: true
diff --git a/examples/cookbook/effects/download_button/pubspec.yaml b/examples/cookbook/effects/download_button/pubspec.yaml
index cd716abb3a..73796d0b4e 100644
--- a/examples/cookbook/effects/download_button/pubspec.yaml
+++ b/examples/cookbook/effects/download_button/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/effects/drag_a_widget/pubspec.yaml b/examples/cookbook/effects/drag_a_widget/pubspec.yaml
index 8c25de865f..bd57c4b081 100644
--- a/examples/cookbook/effects/drag_a_widget/pubspec.yaml
+++ b/examples/cookbook/effects/drag_a_widget/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/effects/expandable_fab/pubspec.yaml b/examples/cookbook/effects/expandable_fab/pubspec.yaml
index ae290b2e54..db5d0da951 100644
--- a/examples/cookbook/effects/expandable_fab/pubspec.yaml
+++ b/examples/cookbook/effects/expandable_fab/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/effects/gradient_bubbles/pubspec.yaml b/examples/cookbook/effects/gradient_bubbles/pubspec.yaml
index 332e61e5bd..f44df1df07 100644
--- a/examples/cookbook/effects/gradient_bubbles/pubspec.yaml
+++ b/examples/cookbook/effects/gradient_bubbles/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/effects/nested_nav/pubspec.yaml b/examples/cookbook/effects/nested_nav/pubspec.yaml
index 41a19e10f4..34a650ff41 100644
--- a/examples/cookbook/effects/nested_nav/pubspec.yaml
+++ b/examples/cookbook/effects/nested_nav/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/effects/parallax_scrolling/pubspec.yaml b/examples/cookbook/effects/parallax_scrolling/pubspec.yaml
index 21eaab6127..acdd2fa796 100644
--- a/examples/cookbook/effects/parallax_scrolling/pubspec.yaml
+++ b/examples/cookbook/effects/parallax_scrolling/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/effects/shimmer_loading/pubspec.yaml b/examples/cookbook/effects/shimmer_loading/pubspec.yaml
index d7459c3aed..a03225a697 100644
--- a/examples/cookbook/effects/shimmer_loading/pubspec.yaml
+++ b/examples/cookbook/effects/shimmer_loading/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/effects/staggered_menu_animation/pubspec.yaml b/examples/cookbook/effects/staggered_menu_animation/pubspec.yaml
index d93667500c..e61b4883ce 100644
--- a/examples/cookbook/effects/staggered_menu_animation/pubspec.yaml
+++ b/examples/cookbook/effects/staggered_menu_animation/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/effects/typing_indicator/pubspec.yaml b/examples/cookbook/effects/typing_indicator/pubspec.yaml
index f0ed638389..89ef3efeec 100644
--- a/examples/cookbook/effects/typing_indicator/pubspec.yaml
+++ b/examples/cookbook/effects/typing_indicator/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/forms/focus/pubspec.yaml b/examples/cookbook/forms/focus/pubspec.yaml
index 8a8a23be10..46caa50d82 100644
--- a/examples/cookbook/forms/focus/pubspec.yaml
+++ b/examples/cookbook/forms/focus/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for focus cookbook recipe.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/forms/retrieve_input/pubspec.yaml b/examples/cookbook/forms/retrieve_input/pubspec.yaml
index e9fc39203a..607825aad0 100644
--- a/examples/cookbook/forms/retrieve_input/pubspec.yaml
+++ b/examples/cookbook/forms/retrieve_input/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for retrieve_input cookbook recipe.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/forms/text_field_changes/pubspec.yaml b/examples/cookbook/forms/text_field_changes/pubspec.yaml
index e1534194df..fa3f46c378 100644
--- a/examples/cookbook/forms/text_field_changes/pubspec.yaml
+++ b/examples/cookbook/forms/text_field_changes/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for text_field_changes
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/forms/text_input/pubspec.yaml b/examples/cookbook/forms/text_input/pubspec.yaml
index cb81155f7e..41537ac748 100644
--- a/examples/cookbook/forms/text_input/pubspec.yaml
+++ b/examples/cookbook/forms/text_input/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/forms/validation/pubspec.yaml b/examples/cookbook/forms/validation/pubspec.yaml
index c4c4d71760..f315400e8d 100644
--- a/examples/cookbook/forms/validation/pubspec.yaml
+++ b/examples/cookbook/forms/validation/pubspec.yaml
@@ -3,7 +3,7 @@ description: Use Form widget to perform form validation.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/games/achievements_leaderboards/pubspec.yaml b/examples/cookbook/games/achievements_leaderboards/pubspec.yaml
index 1de147e5c0..8f43791937 100644
--- a/examples/cookbook/games/achievements_leaderboards/pubspec.yaml
+++ b/examples/cookbook/games/achievements_leaderboards/pubspec.yaml
@@ -3,7 +3,7 @@ description: Games services
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/games/firestore_multiplayer/pubspec.yaml b/examples/cookbook/games/firestore_multiplayer/pubspec.yaml
index e3c68b3039..3d0ff3356f 100644
--- a/examples/cookbook/games/firestore_multiplayer/pubspec.yaml
+++ b/examples/cookbook/games/firestore_multiplayer/pubspec.yaml
@@ -3,7 +3,7 @@ description: Firestore multiplayer
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/gestures/dismissible/pubspec.yaml b/examples/cookbook/gestures/dismissible/pubspec.yaml
index ff8210cf7a..6db9b7258b 100644
--- a/examples/cookbook/gestures/dismissible/pubspec.yaml
+++ b/examples/cookbook/gestures/dismissible/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for dismissible cookbook recipe.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/gestures/handling_taps/pubspec.yaml b/examples/cookbook/gestures/handling_taps/pubspec.yaml
index b5e9a4e076..8da911ebc6 100644
--- a/examples/cookbook/gestures/handling_taps/pubspec.yaml
+++ b/examples/cookbook/gestures/handling_taps/pubspec.yaml
@@ -3,7 +3,7 @@ description: Example on handling_taps cookbook recipe.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/gestures/ripples/pubspec.yaml b/examples/cookbook/gestures/ripples/pubspec.yaml
index 6d1ae0c973..108982d443 100644
--- a/examples/cookbook/gestures/ripples/pubspec.yaml
+++ b/examples/cookbook/gestures/ripples/pubspec.yaml
@@ -3,7 +3,7 @@ description: Example for ripples cookbook recipe
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/images/cached_images/pubspec.yaml b/examples/cookbook/images/cached_images/pubspec.yaml
index 9e8063baf8..d1fe21b5c8 100644
--- a/examples/cookbook/images/cached_images/pubspec.yaml
+++ b/examples/cookbook/images/cached_images/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/images/fading_in_images/pubspec.yaml b/examples/cookbook/images/fading_in_images/pubspec.yaml
index c33cdb7b5b..8d824daa98 100644
--- a/examples/cookbook/images/fading_in_images/pubspec.yaml
+++ b/examples/cookbook/images/fading_in_images/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/images/network_image/pubspec.yaml b/examples/cookbook/images/network_image/pubspec.yaml
index 719f1f8346..f7e9e01b9b 100644
--- a/examples/cookbook/images/network_image/pubspec.yaml
+++ b/examples/cookbook/images/network_image/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/lists/basic_list/pubspec.yaml b/examples/cookbook/lists/basic_list/pubspec.yaml
index b77b68ab7c..3f162e4294 100644
--- a/examples/cookbook/lists/basic_list/pubspec.yaml
+++ b/examples/cookbook/lists/basic_list/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/lists/floating_app_bar/pubspec.yaml b/examples/cookbook/lists/floating_app_bar/pubspec.yaml
index ab039e1f4f..9d6efd719b 100644
--- a/examples/cookbook/lists/floating_app_bar/pubspec.yaml
+++ b/examples/cookbook/lists/floating_app_bar/pubspec.yaml
@@ -3,7 +3,7 @@ description: Example for floating_app_bar cookbook recipe
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/lists/grid_lists/pubspec.yaml b/examples/cookbook/lists/grid_lists/pubspec.yaml
index a254e6e94a..0611441e60 100644
--- a/examples/cookbook/lists/grid_lists/pubspec.yaml
+++ b/examples/cookbook/lists/grid_lists/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/lists/horizontal_list/pubspec.yaml b/examples/cookbook/lists/horizontal_list/pubspec.yaml
index ce2ff2c8a7..d97e8dfce0 100644
--- a/examples/cookbook/lists/horizontal_list/pubspec.yaml
+++ b/examples/cookbook/lists/horizontal_list/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/lists/long_lists/pubspec.yaml b/examples/cookbook/lists/long_lists/pubspec.yaml
index 04f55a3f0d..613d30dcbe 100644
--- a/examples/cookbook/lists/long_lists/pubspec.yaml
+++ b/examples/cookbook/lists/long_lists/pubspec.yaml
@@ -3,7 +3,7 @@ description: Example for long_lists cookbook recipe
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/lists/mixed_list/pubspec.yaml b/examples/cookbook/lists/mixed_list/pubspec.yaml
index e7fb196da0..d2f9e43502 100644
--- a/examples/cookbook/lists/mixed_list/pubspec.yaml
+++ b/examples/cookbook/lists/mixed_list/pubspec.yaml
@@ -3,7 +3,7 @@ description: Example for mixed_lists cookbook recipe
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/lists/spaced_items/pubspec.yaml b/examples/cookbook/lists/spaced_items/pubspec.yaml
index dabc178b47..2a727c503d 100644
--- a/examples/cookbook/lists/spaced_items/pubspec.yaml
+++ b/examples/cookbook/lists/spaced_items/pubspec.yaml
@@ -3,7 +3,7 @@ description: Example for spaced_items cookbook recipe
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/maintenance/error_reporting/pubspec.yaml b/examples/cookbook/maintenance/error_reporting/pubspec.yaml
index 2ef1c28b3c..def2ab9109 100644
--- a/examples/cookbook/maintenance/error_reporting/pubspec.yaml
+++ b/examples/cookbook/maintenance/error_reporting/pubspec.yaml
@@ -4,12 +4,12 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  sentry_flutter: ^9.5.0
+  sentry_flutter: ^9.6.0
 
 dev_dependencies:
   flutter_test:
diff --git a/examples/cookbook/navigation/hero_animations/pubspec.yaml b/examples/cookbook/navigation/hero_animations/pubspec.yaml
index b88ca71655..aaefcd5783 100644
--- a/examples/cookbook/navigation/hero_animations/pubspec.yaml
+++ b/examples/cookbook/navigation/hero_animations/pubspec.yaml
@@ -3,7 +3,7 @@ description: Hero animations
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/navigation/named_routes/pubspec.yaml b/examples/cookbook/navigation/named_routes/pubspec.yaml
index 59eb4a43a4..d4bf59290d 100644
--- a/examples/cookbook/navigation/named_routes/pubspec.yaml
+++ b/examples/cookbook/navigation/named_routes/pubspec.yaml
@@ -3,7 +3,7 @@ description: Named route example snippets.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/navigation/navigate_with_arguments/pubspec.yaml b/examples/cookbook/navigation/navigate_with_arguments/pubspec.yaml
index 570d7c79cf..88ff03d23f 100644
--- a/examples/cookbook/navigation/navigate_with_arguments/pubspec.yaml
+++ b/examples/cookbook/navigation/navigate_with_arguments/pubspec.yaml
@@ -3,7 +3,7 @@ description: Use Form widget to perform form validation.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/navigation/navigation_basics/pubspec.yaml b/examples/cookbook/navigation/navigation_basics/pubspec.yaml
index 6560c4334d..654eea09d8 100644
--- a/examples/cookbook/navigation/navigation_basics/pubspec.yaml
+++ b/examples/cookbook/navigation/navigation_basics/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/navigation/passing_data/pubspec.yaml b/examples/cookbook/navigation/passing_data/pubspec.yaml
index 9d859186e3..ec878ca64a 100644
--- a/examples/cookbook/navigation/passing_data/pubspec.yaml
+++ b/examples/cookbook/navigation/passing_data/pubspec.yaml
@@ -3,7 +3,7 @@ description: Passing data
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/navigation/returning_data/pubspec.yaml b/examples/cookbook/navigation/returning_data/pubspec.yaml
index 12f139f8bd..a2d6283a57 100644
--- a/examples/cookbook/navigation/returning_data/pubspec.yaml
+++ b/examples/cookbook/navigation/returning_data/pubspec.yaml
@@ -3,7 +3,7 @@ description: Returning data
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/networking/authenticated_requests/pubspec.yaml b/examples/cookbook/networking/authenticated_requests/pubspec.yaml
index 3ae1990116..a925f24131 100644
--- a/examples/cookbook/networking/authenticated_requests/pubspec.yaml
+++ b/examples/cookbook/networking/authenticated_requests/pubspec.yaml
@@ -3,12 +3,12 @@ description: Authenticated HTTP request example snippets.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  http: ^1.4.0
+  http: ^1.5.0
 
 flutter:
   uses-material-design: true
diff --git a/examples/cookbook/networking/background_parsing/pubspec.yaml b/examples/cookbook/networking/background_parsing/pubspec.yaml
index 9dcb148db8..9419c9c8d9 100644
--- a/examples/cookbook/networking/background_parsing/pubspec.yaml
+++ b/examples/cookbook/networking/background_parsing/pubspec.yaml
@@ -3,12 +3,12 @@ description: Background parsing
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  http: ^1.4.0
+  http: ^1.5.0
 
 flutter:
   uses-material-design: true
diff --git a/examples/cookbook/networking/delete_data/pubspec.yaml b/examples/cookbook/networking/delete_data/pubspec.yaml
index e95c500f5a..e8ddbd75ed 100644
--- a/examples/cookbook/networking/delete_data/pubspec.yaml
+++ b/examples/cookbook/networking/delete_data/pubspec.yaml
@@ -3,12 +3,12 @@ description: Delete Data
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  http: ^1.4.0
+  http: ^1.5.0
 
 flutter:
   uses-material-design: true
diff --git a/examples/cookbook/networking/fetch_data/pubspec.yaml b/examples/cookbook/networking/fetch_data/pubspec.yaml
index c094729a56..c41aefed50 100644
--- a/examples/cookbook/networking/fetch_data/pubspec.yaml
+++ b/examples/cookbook/networking/fetch_data/pubspec.yaml
@@ -3,12 +3,12 @@ description: Fetch Data
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  http: ^1.4.0
+  http: ^1.5.0
 
 flutter:
   uses-material-design: true
diff --git a/examples/cookbook/networking/send_data/pubspec.yaml b/examples/cookbook/networking/send_data/pubspec.yaml
index 5a6fa18d0e..681104af89 100644
--- a/examples/cookbook/networking/send_data/pubspec.yaml
+++ b/examples/cookbook/networking/send_data/pubspec.yaml
@@ -3,12 +3,12 @@ description: Send data
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  http: ^1.4.0
+  http: ^1.5.0
 
 flutter:
   uses-material-design: true
diff --git a/examples/cookbook/networking/update_data/pubspec.yaml b/examples/cookbook/networking/update_data/pubspec.yaml
index d422fefc3f..8da82b7d62 100644
--- a/examples/cookbook/networking/update_data/pubspec.yaml
+++ b/examples/cookbook/networking/update_data/pubspec.yaml
@@ -3,12 +3,12 @@ description: Update Data
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  http: ^1.4.0
+  http: ^1.5.0
 
 flutter:
   uses-material-design: true
diff --git a/examples/cookbook/networking/web_sockets/pubspec.yaml b/examples/cookbook/networking/web_sockets/pubspec.yaml
index 3a058756a5..ebc54180ea 100644
--- a/examples/cookbook/networking/web_sockets/pubspec.yaml
+++ b/examples/cookbook/networking/web_sockets/pubspec.yaml
@@ -3,7 +3,7 @@ description: Web Sockets
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/persistence/key_value/pubspec.yaml b/examples/cookbook/persistence/key_value/pubspec.yaml
index d5d595c413..32ea221da8 100644
--- a/examples/cookbook/persistence/key_value/pubspec.yaml
+++ b/examples/cookbook/persistence/key_value/pubspec.yaml
@@ -6,7 +6,7 @@ description: >-
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/persistence/reading_writing_files/pubspec.yaml b/examples/cookbook/persistence/reading_writing_files/pubspec.yaml
index 278b972a39..f98657a001 100644
--- a/examples/cookbook/persistence/reading_writing_files/pubspec.yaml
+++ b/examples/cookbook/persistence/reading_writing_files/pubspec.yaml
@@ -3,7 +3,7 @@ description: Reading and Writing Files
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/persistence/sqlite/pubspec.yaml b/examples/cookbook/persistence/sqlite/pubspec.yaml
index 45e0e7565b..3dd7cd456c 100644
--- a/examples/cookbook/persistence/sqlite/pubspec.yaml
+++ b/examples/cookbook/persistence/sqlite/pubspec.yaml
@@ -3,13 +3,13 @@ description: Example of using sqflite plugin to access SQLite database.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  sqflite: ^2.3.2
-  path: ^1.9.0
+  sqflite: ^2.4.2
+  path: ^1.9.1
 
 dev_dependencies:
   flutter_test:
diff --git a/examples/cookbook/plugins/google_mobile_ads/pubspec.yaml b/examples/cookbook/plugins/google_mobile_ads/pubspec.yaml
index 003877ee5f..b8ac142c56 100644
--- a/examples/cookbook/plugins/google_mobile_ads/pubspec.yaml
+++ b/examples/cookbook/plugins/google_mobile_ads/pubspec.yaml
@@ -3,7 +3,7 @@ description: Google mobile ads
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/plugins/picture_using_camera/pubspec.yaml b/examples/cookbook/plugins/picture_using_camera/pubspec.yaml
index 3d9b481f2b..17a2bd5e0a 100644
--- a/examples/cookbook/plugins/picture_using_camera/pubspec.yaml
+++ b/examples/cookbook/plugins/picture_using_camera/pubspec.yaml
@@ -3,14 +3,14 @@ description: A new Flutter project.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
   camera: ^0.11.2
   path_provider: ^2.1.5
-  path: ^1.9.0
+  path: ^1.9.1
 
 flutter:
   uses-material-design: true
diff --git a/examples/cookbook/plugins/play_video/pubspec.yaml b/examples/cookbook/plugins/play_video/pubspec.yaml
index 9e84095f6e..d403872f5a 100644
--- a/examples/cookbook/plugins/play_video/pubspec.yaml
+++ b/examples/cookbook/plugins/play_video/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/testing/integration/introduction/pubspec.yaml b/examples/cookbook/testing/integration/introduction/pubspec.yaml
index 802a825c61..1425b86546 100644
--- a/examples/cookbook/testing/integration/introduction/pubspec.yaml
+++ b/examples/cookbook/testing/integration/introduction/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
@@ -15,7 +15,7 @@ dependencies:
     sdk: flutter
 
 dev_dependencies:
-  test: any
+  test: ^1.26.2
 
 flutter:
   uses-material-design: true
diff --git a/examples/cookbook/testing/integration/profiling/pubspec.yaml b/examples/cookbook/testing/integration/profiling/pubspec.yaml
index c7de0a524f..9566236804 100644
--- a/examples/cookbook/testing/integration/profiling/pubspec.yaml
+++ b/examples/cookbook/testing/integration/profiling/pubspec.yaml
@@ -3,13 +3,13 @@ description: Integration test profiling examples.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
   path_provider: ^2.1.5
-  path: ^1.9.0
+  path: ^1.9.1
   flutter_test:
     sdk: flutter
 
diff --git a/examples/cookbook/testing/unit/counter_app/pubspec.yaml b/examples/cookbook/testing/unit/counter_app/pubspec.yaml
index af188164d1..7ae4597f6e 100644
--- a/examples/cookbook/testing/unit/counter_app/pubspec.yaml
+++ b/examples/cookbook/testing/unit/counter_app/pubspec.yaml
@@ -6,13 +6,13 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
   cupertino_icons: ^1.0.8
-  test: ^1.24.9
+  test: ^1.26.2
 
 flutter:
   uses-material-design: true
diff --git a/examples/cookbook/testing/unit/mocking/pubspec.yaml b/examples/cookbook/testing/unit/mocking/pubspec.yaml
index 9066f7eec8..faac8c2f93 100644
--- a/examples/cookbook/testing/unit/mocking/pubspec.yaml
+++ b/examples/cookbook/testing/unit/mocking/pubspec.yaml
@@ -3,20 +3,20 @@ description: Use the Mockito package to mimic the behavior of services for testi
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
   flutter_localizations:
     sdk: flutter
-  http: ^1.4.0
+  http: ^1.5.0
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  mockito: ^5.4.6
-  build_runner: ^2.4.15
+  mockito: ^5.5.0
+  build_runner: ^2.6.0
 
 flutter:
   uses-material-design: true
diff --git a/examples/cookbook/testing/widget/finders/pubspec.yaml b/examples/cookbook/testing/widget/finders/pubspec.yaml
index 40f50822fa..be88183893 100644
--- a/examples/cookbook/testing/widget/finders/pubspec.yaml
+++ b/examples/cookbook/testing/widget/finders/pubspec.yaml
@@ -3,7 +3,7 @@ description: A new Flutter project.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/testing/widget/introduction/pubspec.yaml b/examples/cookbook/testing/widget/introduction/pubspec.yaml
index 68dd561a44..6ab74e871d 100644
--- a/examples/cookbook/testing/widget/introduction/pubspec.yaml
+++ b/examples/cookbook/testing/widget/introduction/pubspec.yaml
@@ -3,7 +3,7 @@ description: Widget testing example snippets.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/cookbook/testing/widget/orientation_tests/pubspec.yaml b/examples/cookbook/testing/widget/orientation_tests/pubspec.yaml
index e10c81281b..473e0b01b9 100644
--- a/examples/cookbook/testing/widget/orientation_tests/pubspec.yaml
+++ b/examples/cookbook/testing/widget/orientation_tests/pubspec.yaml
@@ -4,13 +4,13 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
   path_provider: ^2.1.5
-  path: ^1.9.0
+  path: ^1.9.1
   flutter_test:
     sdk: flutter
 
diff --git a/examples/cookbook/testing/widget/scrolling/pubspec.yaml b/examples/cookbook/testing/widget/scrolling/pubspec.yaml
index db3b919b50..30d1015847 100644
--- a/examples/cookbook/testing/widget/scrolling/pubspec.yaml
+++ b/examples/cookbook/testing/widget/scrolling/pubspec.yaml
@@ -3,13 +3,13 @@ description: Scrollable widget testing.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
   path_provider: ^2.1.5
-  path: ^1.9.0
+  path: ^1.9.1
   flutter_test:
     sdk: flutter
 
diff --git a/examples/cookbook/testing/widget/tap_drag/pubspec.yaml b/examples/cookbook/testing/widget/tap_drag/pubspec.yaml
index 99f34141b3..1d801fd3ee 100644
--- a/examples/cookbook/testing/widget/tap_drag/pubspec.yaml
+++ b/examples/cookbook/testing/widget/tap_drag/pubspec.yaml
@@ -3,7 +3,7 @@ description: Tap drag widget testing examples.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/data-and-backend/json/pubspec.yaml b/examples/data-and-backend/json/pubspec.yaml
index d850d98baf..b6dab226cb 100644
--- a/examples/data-and-backend/json/pubspec.yaml
+++ b/examples/data-and-backend/json/pubspec.yaml
@@ -6,11 +6,11 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   json_annotation: ^4.9.0
 
 dev_dependencies:
-  build_runner: ^2.4.15
-  json_serializable: ^6.9.5
+  build_runner: ^2.6.0
+  json_serializable: ^6.10.0
diff --git a/examples/deployment/obfuscate/pubspec.yaml b/examples/deployment/obfuscate/pubspec.yaml
index 8e9d3734f8..14459ec2cb 100644
--- a/examples/deployment/obfuscate/pubspec.yaml
+++ b/examples/deployment/obfuscate/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/get-started/flutter-for/android_devs/pubspec.yaml b/examples/get-started/flutter-for/android_devs/pubspec.yaml
index 7447095d0e..8150adb5bb 100644
--- a/examples/get-started/flutter-for/android_devs/pubspec.yaml
+++ b/examples/get-started/flutter-for/android_devs/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
@@ -16,7 +16,7 @@ dependencies:
     sdk: flutter
 
   cupertino_icons: ^1.0.8
-  http: ^1.4.0
+  http: ^1.5.0
   shared_preferences: ^2.5.3
   intl: any
 
diff --git a/examples/get-started/flutter-for/declarative/pubspec.yaml b/examples/get-started/flutter-for/declarative/pubspec.yaml
index 9397af54e2..3a47cf88fd 100644
--- a/examples/get-started/flutter-for/declarative/pubspec.yaml
+++ b/examples/get-started/flutter-for/declarative/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/get-started/flutter-for/ios_devs/pubspec.yaml b/examples/get-started/flutter-for/ios_devs/pubspec.yaml
index 0715bf0d8c..38cd42f322 100644
--- a/examples/get-started/flutter-for/ios_devs/pubspec.yaml
+++ b/examples/get-started/flutter-for/ios_devs/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
@@ -14,7 +14,7 @@ dependencies:
   flutter_localizations:
     sdk: flutter
   cupertino_icons: ^1.0.8
-  http: ^1.4.0
+  http: ^1.5.0
   shared_preferences: ^2.5.3
   url_launcher: ^6.3.2
 
diff --git a/examples/get-started/flutter-for/react_native_devs/my_widgets/pubspec.yaml b/examples/get-started/flutter-for/react_native_devs/my_widgets/pubspec.yaml
index 2efd0309d6..172ad9151a 100644
--- a/examples/get-started/flutter-for/react_native_devs/my_widgets/pubspec.yaml
+++ b/examples/get-started/flutter-for/react_native_devs/my_widgets/pubspec.yaml
@@ -4,4 +4,4 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
diff --git a/examples/get-started/flutter-for/react_native_devs/pubspec.yaml b/examples/get-started/flutter-for/react_native_devs/pubspec.yaml
index a7a06299cc..8aef3ba943 100644
--- a/examples/get-started/flutter-for/react_native_devs/pubspec.yaml
+++ b/examples/get-started/flutter-for/react_native_devs/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 workspace:
   - my_widgets
@@ -15,7 +15,7 @@ dependencies:
   flutter:
     sdk: flutter
   cupertino_icons: ^1.0.8
-  http: ^1.4.0
+  http: ^1.5.0
   google_sign_in: ^6.3.0
   shared_preferences: ^2.5.3
   my_widgets:
diff --git a/examples/get-started/flutter-for/web_devs/lib/main.dart b/examples/get-started/flutter-for/web_devs/lib/main.dart
index c4591392bc..7c5891538b 100644
--- a/examples/get-started/flutter-for/web_devs/lib/main.dart
+++ b/examples/get-started/flutter-for/web_devs/lib/main.dart
@@ -206,7 +206,7 @@ class Scaling extends StatelessWidget {
     child: Center(
       child: /*[[highlight]]*/ Transform(
         alignment: Alignment.center,
-        transform: Matrix4.identity()..scale(1.5),
+        transform: Matrix4.identity()..scaleByDouble(1.5, 1.5, 1.5, 1.5),
         child: /*[[/highlight]]*/ Container(
           // red box
           padding: const EdgeInsets.all(16),
diff --git a/examples/get-started/flutter-for/web_devs/pubspec.yaml b/examples/get-started/flutter-for/web_devs/pubspec.yaml
index 1a434b49e1..9d38f42c8b 100644
--- a/examples/get-started/flutter-for/web_devs/pubspec.yaml
+++ b/examples/get-started/flutter-for/web_devs/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/get-started/flutter-for/xamarin_devs/pubspec.yaml b/examples/get-started/flutter-for/xamarin_devs/pubspec.yaml
index 28cb15930c..82df10e023 100644
--- a/examples/get-started/flutter-for/xamarin_devs/pubspec.yaml
+++ b/examples/get-started/flutter-for/xamarin_devs/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
@@ -14,7 +14,7 @@ dependencies:
   flutter_localizations:
     sdk: flutter
   cupertino_icons: ^1.0.8
-  http: ^1.4.0
+  http: ^1.5.0
 
 dev_dependencies:
   flutter_test:
diff --git a/examples/googleapis/pubspec.yaml b/examples/googleapis/pubspec.yaml
index 0769220ec3..f59f1629b0 100644
--- a/examples/googleapis/pubspec.yaml
+++ b/examples/googleapis/pubspec.yaml
@@ -3,7 +3,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   collection: any # Pull the version of package:collection from Flutter.
@@ -12,4 +12,4 @@ dependencies:
     sdk: flutter
   google_sign_in: ^6.3.0
   googleapis: ^14.0.0
-  http: ^1.4.0
+  http: ^1.5.0
diff --git a/examples/integration_test/pubspec.yaml b/examples/integration_test/pubspec.yaml
index 920f6c66ab..865d54bcb5 100644
--- a/examples/integration_test/pubspec.yaml
+++ b/examples/integration_test/pubspec.yaml
@@ -4,7 +4,7 @@ version: 0.0.1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
@@ -17,7 +17,7 @@ dev_dependencies:
     sdk: flutter
   flutter_driver:
     sdk: flutter
-  test: ^1.24.9
+  test: ^1.26.2
 
 flutter:
   uses-material-design: true
diff --git a/examples/integration_test_migration/pubspec.yaml b/examples/integration_test_migration/pubspec.yaml
index 7a40bacaee..18ad6d4271 100644
--- a/examples/integration_test_migration/pubspec.yaml
+++ b/examples/integration_test_migration/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
@@ -19,7 +19,7 @@ dev_dependencies:
     sdk: flutter
   flutter_driver:
     sdk: flutter
-  test: ^1.24.9
+  test: ^1.26.2
 
 flutter:
   uses-material-design: true
diff --git a/examples/internationalization/add_language/pubspec.yaml b/examples/internationalization/add_language/pubspec.yaml
index 078dea7557..bb134d6d86 100644
--- a/examples/internationalization/add_language/pubspec.yaml
+++ b/examples/internationalization/add_language/pubspec.yaml
@@ -3,7 +3,7 @@ description: An i18n app example that adds a supported language
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/internationalization/gen_l10n_example/pubspec.yaml b/examples/internationalization/gen_l10n_example/pubspec.yaml
index fb76e0ed6f..154ec31592 100644
--- a/examples/internationalization/gen_l10n_example/pubspec.yaml
+++ b/examples/internationalization/gen_l10n_example/pubspec.yaml
@@ -5,7 +5,7 @@ description: >-
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 # #docregion flutter-localizations
 dependencies:
diff --git a/examples/internationalization/intl_example/pubspec.yaml b/examples/internationalization/intl_example/pubspec.yaml
index 3b209676e8..acfc45a94f 100644
--- a/examples/internationalization/intl_example/pubspec.yaml
+++ b/examples/internationalization/intl_example/pubspec.yaml
@@ -3,7 +3,7 @@ description: Example of a Flutter app using the intl library services.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/internationalization/minimal/pubspec.yaml b/examples/internationalization/minimal/pubspec.yaml
index 76a50d0af3..44bbe45370 100644
--- a/examples/internationalization/minimal/pubspec.yaml
+++ b/examples/internationalization/minimal/pubspec.yaml
@@ -3,7 +3,7 @@ description: A minimal example of a localized Flutter app
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/base/pubspec.yaml b/examples/layout/base/pubspec.yaml
index 0ca26453c5..fda3ebed7a 100644
--- a/examples/layout/base/pubspec.yaml
+++ b/examples/layout/base/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/card_and_stack/pubspec.yaml b/examples/layout/card_and_stack/pubspec.yaml
index db91a84645..7f532a3085 100644
--- a/examples/layout/card_and_stack/pubspec.yaml
+++ b/examples/layout/card_and_stack/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/constraints/pubspec.yaml b/examples/layout/constraints/pubspec.yaml
index 24a9590613..ecfcd7eece 100644
--- a/examples/layout/constraints/pubspec.yaml
+++ b/examples/layout/constraints/pubspec.yaml
@@ -4,7 +4,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/container/pubspec.yaml b/examples/layout/container/pubspec.yaml
index 1e3fbeff4a..f40102cb1c 100644
--- a/examples/layout/container/pubspec.yaml
+++ b/examples/layout/container/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/gallery/pubspec.yaml b/examples/layout/gallery/pubspec.yaml
index 34d3425918..75da0435bb 100644
--- a/examples/layout/gallery/pubspec.yaml
+++ b/examples/layout/gallery/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   animations: ^2.0.11
diff --git a/examples/layout/grid_and_list/pubspec.yaml b/examples/layout/grid_and_list/pubspec.yaml
index ed6e34d049..b94cc19423 100644
--- a/examples/layout/grid_and_list/pubspec.yaml
+++ b/examples/layout/grid_and_list/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/lakes/interactive/pubspec.yaml b/examples/layout/lakes/interactive/pubspec.yaml
index 250f87c5df..483c3ff025 100644
--- a/examples/layout/lakes/interactive/pubspec.yaml
+++ b/examples/layout/lakes/interactive/pubspec.yaml
@@ -6,7 +6,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/lakes/step2/pubspec.yaml b/examples/layout/lakes/step2/pubspec.yaml
index cf999ac6b0..549344cd6e 100644
--- a/examples/layout/lakes/step2/pubspec.yaml
+++ b/examples/layout/lakes/step2/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/lakes/step3/pubspec.yaml b/examples/layout/lakes/step3/pubspec.yaml
index 67ffecc0f3..1bbf2be230 100644
--- a/examples/layout/lakes/step3/pubspec.yaml
+++ b/examples/layout/lakes/step3/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/lakes/step4/pubspec.yaml b/examples/layout/lakes/step4/pubspec.yaml
index c256dda69c..9265bff87c 100644
--- a/examples/layout/lakes/step4/pubspec.yaml
+++ b/examples/layout/lakes/step4/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/lakes/step5/pubspec.yaml b/examples/layout/lakes/step5/pubspec.yaml
index 81f7fc0051..bd1f7b762c 100644
--- a/examples/layout/lakes/step5/pubspec.yaml
+++ b/examples/layout/lakes/step5/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/lakes/step6/pubspec.yaml b/examples/layout/lakes/step6/pubspec.yaml
index 242d639e1b..da413b9a9c 100644
--- a/examples/layout/lakes/step6/pubspec.yaml
+++ b/examples/layout/lakes/step6/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/non_material/pubspec.yaml b/examples/layout/non_material/pubspec.yaml
index 14e9339eab..24eedc1ab8 100644
--- a/examples/layout/non_material/pubspec.yaml
+++ b/examples/layout/non_material/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/pavlova/pubspec.yaml b/examples/layout/pavlova/pubspec.yaml
index 1c7e6d04d5..dc4520934b 100644
--- a/examples/layout/pavlova/pubspec.yaml
+++ b/examples/layout/pavlova/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/row_column/pubspec.yaml b/examples/layout/row_column/pubspec.yaml
index 3b00dceaf4..b272cbda33 100644
--- a/examples/layout/row_column/pubspec.yaml
+++ b/examples/layout/row_column/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/layout/sizing/pubspec.yaml b/examples/layout/sizing/pubspec.yaml
index fd5bae4943..5ea7d6f9ac 100644
--- a/examples/layout/sizing/pubspec.yaml
+++ b/examples/layout/sizing/pubspec.yaml
@@ -5,7 +5,7 @@ version: 1.0.0
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/perf/concurrency/isolates/pubspec.yaml b/examples/perf/concurrency/isolates/pubspec.yaml
index 492590c3aa..ba2e659cfa 100644
--- a/examples/perf/concurrency/isolates/pubspec.yaml
+++ b/examples/perf/concurrency/isolates/pubspec.yaml
@@ -6,9 +6,9 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
-  shared_preferences: any
+  shared_preferences: ^2.5.3
diff --git a/examples/perf/deferred_components/pubspec.yaml b/examples/perf/deferred_components/pubspec.yaml
index 85bc928284..6ad3f9c1f3 100644
--- a/examples/perf/deferred_components/pubspec.yaml
+++ b/examples/perf/deferred_components/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
@@ -15,7 +15,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  test: ^1.24.9
+  test: ^1.26.2
 
 flutter:
   uses-material-design: true
diff --git a/examples/platform_integration/compose_activities/pubspec.yaml b/examples/platform_integration/compose_activities/pubspec.yaml
index c11a680e96..7918c5e473 100644
--- a/examples/platform_integration/compose_activities/pubspec.yaml
+++ b/examples/platform_integration/compose_activities/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/platform_integration/pigeon/pubspec.yaml b/examples/platform_integration/pigeon/pubspec.yaml
index a9938c7af5..216388551c 100644
--- a/examples/platform_integration/pigeon/pubspec.yaml
+++ b/examples/platform_integration/pigeon/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/platform_integration/platform_channels/pubspec.yaml b/examples/platform_integration/platform_channels/pubspec.yaml
index bad1917f50..4c949d6d19 100644
--- a/examples/platform_integration/platform_channels/pubspec.yaml
+++ b/examples/platform_integration/platform_channels/pubspec.yaml
@@ -9,7 +9,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/platform_integration/platform_views/pubspec.yaml b/examples/platform_integration/platform_views/pubspec.yaml
index f3e3c08d1c..6817f80d18 100644
--- a/examples/platform_integration/platform_views/pubspec.yaml
+++ b/examples/platform_integration/platform_views/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/platform_integration/plugin_api_migration/pubspec.yaml b/examples/platform_integration/plugin_api_migration/pubspec.yaml
index e2cc49cbbc..6b4b11018b 100644
--- a/examples/platform_integration/plugin_api_migration/pubspec.yaml
+++ b/examples/platform_integration/plugin_api_migration/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
@@ -17,7 +17,7 @@ dependencies:
   battery: ^2.0.3
   flutter_test:
     sdk: flutter
-  path: ^1.9.0
+  path: ^1.9.1
   integration_test:
     sdk: flutter
 
diff --git a/examples/pubspec.yaml b/examples/pubspec.yaml
index 76972fcc5c..f09ee88fd3 100644
--- a/examples/pubspec.yaml
+++ b/examples/pubspec.yaml
@@ -2,7 +2,7 @@ name: flutter_docs_examples
 publish_to: none
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 workspace:
   - _animation/basic_hero_animation
diff --git a/examples/resources/architectural_overview/pubspec.yaml b/examples/resources/architectural_overview/pubspec.yaml
index a0f4764938..f372057a01 100644
--- a/examples/resources/architectural_overview/pubspec.yaml
+++ b/examples/resources/architectural_overview/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/resources/dart_swift_concurrency/pubspec.yaml b/examples/resources/dart_swift_concurrency/pubspec.yaml
index ab52168c55..d39f689a20 100644
--- a/examples/resources/dart_swift_concurrency/pubspec.yaml
+++ b/examples/resources/dart_swift_concurrency/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/state_mgmt/simple/pubspec.yaml b/examples/state_mgmt/simple/pubspec.yaml
index e015034361..a34780be64 100644
--- a/examples/state_mgmt/simple/pubspec.yaml
+++ b/examples/state_mgmt/simple/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
@@ -15,7 +15,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  test: ^1.24.9
+  test: ^1.26.2
 
 flutter:
   uses-material-design: true
diff --git a/examples/testing/code_debugging/pubspec.yaml b/examples/testing/code_debugging/pubspec.yaml
index 6b5b8b9ba3..24640bf35c 100644
--- a/examples/testing/code_debugging/pubspec.yaml
+++ b/examples/testing/code_debugging/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/testing/common_errors/pubspec.yaml b/examples/testing/common_errors/pubspec.yaml
index dc47afbd8c..efd6d398ec 100644
--- a/examples/testing/common_errors/pubspec.yaml
+++ b/examples/testing/common_errors/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/testing/errors/pubspec.yaml b/examples/testing/errors/pubspec.yaml
index 011190fcf7..f9670afbad 100644
--- a/examples/testing/errors/pubspec.yaml
+++ b/examples/testing/errors/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/testing/integration_tests/how_to/pubspec.yaml b/examples/testing/integration_tests/how_to/pubspec.yaml
index 0b2cf822e0..3bfbd522cf 100644
--- a/examples/testing/integration_tests/how_to/pubspec.yaml
+++ b/examples/testing/integration_tests/how_to/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/testing/native_debugging/pubspec.yaml b/examples/testing/native_debugging/pubspec.yaml
index 3c1b2454ea..313f3b4c58 100644
--- a/examples/testing/native_debugging/pubspec.yaml
+++ b/examples/testing/native_debugging/pubspec.yaml
@@ -1,12 +1,12 @@
 name: native_debugging
 description: Demonstration of native code debugging
-sdk: ^3.8.0
+sdk: ^3.9.0-0
 
 version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/tools/pubspec.yaml b/examples/tools/pubspec.yaml
index 4dc2848ba2..f817a3e9db 100644
--- a/examples/tools/pubspec.yaml
+++ b/examples/tools/pubspec.yaml
@@ -7,7 +7,7 @@ version: 1.0.0+1
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/ui/actions_and_shortcuts/pubspec.yaml b/examples/ui/actions_and_shortcuts/pubspec.yaml
index dc76e4208a..1444173bfe 100644
--- a/examples/ui/actions_and_shortcuts/pubspec.yaml
+++ b/examples/ui/actions_and_shortcuts/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/ui/adaptive_app_demos/pubspec.yaml b/examples/ui/adaptive_app_demos/pubspec.yaml
index 4290bb3284..cad58a5e40 100644
--- a/examples/ui/adaptive_app_demos/pubspec.yaml
+++ b/examples/ui/adaptive_app_demos/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/ui/assets_and_images/pubspec.yaml b/examples/ui/assets_and_images/pubspec.yaml
index a52c9ef0b6..0879ac6074 100644
--- a/examples/ui/assets_and_images/pubspec.yaml
+++ b/examples/ui/assets_and_images/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/ui/focus/pubspec.yaml b/examples/ui/focus/pubspec.yaml
index 4e03f5f5ac..0c96fa91ab 100644
--- a/examples/ui/focus/pubspec.yaml
+++ b/examples/ui/focus/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/ui/interactive/pubspec.yaml b/examples/ui/interactive/pubspec.yaml
index 83a5d9557a..6deb0bce22 100644
--- a/examples/ui/interactive/pubspec.yaml
+++ b/examples/ui/interactive/pubspec.yaml
@@ -3,7 +3,7 @@ description: Sample code for interactive.md
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/ui/navigation/pubspec.yaml b/examples/ui/navigation/pubspec.yaml
index 1785835a79..1f1f15ba14 100644
--- a/examples/ui/navigation/pubspec.yaml
+++ b/examples/ui/navigation/pubspec.yaml
@@ -4,13 +4,13 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
     sdk: flutter
 
-  go_router: ^16.0.0
+  go_router: ^16.1.0
 
 flutter:
   uses-material-design: true
diff --git a/examples/ui/widgets_intro/pubspec.yaml b/examples/ui/widgets_intro/pubspec.yaml
index ca7f8d9ac3..b6e8fb1338 100644
--- a/examples/ui/widgets_intro/pubspec.yaml
+++ b/examples/ui/widgets_intro/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/examples/visual_debugging/pubspec.yaml b/examples/visual_debugging/pubspec.yaml
index 2751d6637f..994bf3c24a 100644
--- a/examples/visual_debugging/pubspec.yaml
+++ b/examples/visual_debugging/pubspec.yaml
@@ -4,7 +4,7 @@ description: Examples of visual debugging.
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   flutter:
diff --git a/pubspec.yaml b/pubspec.yaml
index 5e15a9858e..5df2de28cd 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -2,7 +2,7 @@ name: docs_flutter_dev
 publish_to: none
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 workspace:
   - tool/flutter_site
diff --git a/src/_data/site.yml b/src/_data/site.yml
index 72abd45799..5e8f46ded2 100644
--- a/src/_data/site.yml
+++ b/src/_data/site.yml
@@ -59,4 +59,4 @@ yt:
   watch: 'https://www.youtube.com/watch'
   playlist: 'https://www.youtube.com/playlist?list='
 
-currentFlutterVersion: '3.32.8'
+currentFlutterVersion: '3.35.0'
diff --git a/src/content/get-started/flutter-for/web-devs.md b/src/content/get-started/flutter-for/web-devs.md
index 295433dba2..1909b47494 100644
--- a/src/content/get-started/flutter-for/web-devs.md
+++ b/src/content/get-started/flutter-for/web-devs.md
@@ -429,7 +429,7 @@ final container = Container(
   child: Center(
     child: Transform(
       alignment: Alignment.center,
-      transform: Matrix4.identity()..scale(1.5),
+      transform: Matrix4.identity()..scaleByDouble(1.5, 1.5, 1.5, 1.5),
       child: Container(
         // red box
         padding: const EdgeInsets.all(16),
diff --git a/src/content/release/release-notes/index.md b/src/content/release/release-notes/index.md
index aa4cdccd0f..dc388eba26 100644
--- a/src/content/release/release-notes/index.md
+++ b/src/content/release/release-notes/index.md
@@ -12,8 +12,8 @@ For information about bug-fix releases,
 check out the Flutter [CHANGELOG][].
 :::
 
-* 3.35.0 _(Tentative)_
-  {% comment %}* [3.35.0 announcement][]{% endcomment %}
+* 3.35.0
+  * [3.35.0 announcement][]
   * [3.35.0 release notes & change log][]
   * [3.35.0 breaking changes & migrations][]
 * 3.32.0
diff --git a/src/content/tools/pubspec.md b/src/content/tools/pubspec.md
index a7fbec1e89..b247fcbaca 100644
--- a/src/content/tools/pubspec.md
+++ b/src/content/tools/pubspec.md
@@ -63,7 +63,7 @@ publish_to: none
 version: 1.0.0+1
 
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0
 
 dependencies:
   [!flutter:!]       # Required for every Flutter project
diff --git a/tool/flutter_site/pubspec.yaml b/tool/flutter_site/pubspec.yaml
index 82d04ca67b..c7b3ca1736 100644
--- a/tool/flutter_site/pubspec.yaml
+++ b/tool/flutter_site/pubspec.yaml
@@ -4,15 +4,15 @@ publish_to: none
 
 resolution: workspace
 environment:
-  sdk: ^3.8.0
+  sdk: ^3.9.0-0
 
 dependencies:
   args: ^2.7.0
   excerpter:
     path: ../../site-shared/pkgs/excerpter
   io: ^1.0.5
-  linkcheck: ^3.0.0
-  path: ^1.9.0
+  linkcheck: ^3.1.0
+  path: ^1.9.1
 
 dev_dependencies:
   analysis_defaults: