diff --git a/.github/workflows/beta.yml b/.github/workflows/beta.yml
index 48182366c..4f859fbfe 100644
--- a/.github/workflows/beta.yml
+++ b/.github/workflows/beta.yml
@@ -35,21 +35,23 @@ jobs:
         with:
           channel: beta
       - run: ./tool/flutter_ci_script_stable.sh
+  
   # Verify the Android add-to-app samples build and pass tests with the beta
   # channel.
-  android-build:
-    runs-on: ubuntu-latest
-    if: github.repository == 'flutter/samples'
-    steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
-      - uses: actions/setup-java@6a0805fcefea3d4657a47ac4c165951e33482018
-        with:
-          distribution: 'zulu'
-          java-version: '17'
-      - uses: subosito/flutter-action@44ac965b96f18d999802d4b807e3256d5a3f9fa1
-        with:
-          channel: beta
-      - run: ./tool/android_ci_script.sh
+  # android-build:
+  #   runs-on: ubuntu-latest
+  #   if: github.repository == 'flutter/samples'
+  #   steps:
+  #     - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+  #     - uses: actions/setup-java@6a0805fcefea3d4657a47ac4c165951e33482018
+  #       with:
+  #         distribution: 'zulu'
+  #         java-version: '17'
+  #     - uses: subosito/flutter-action@44ac965b96f18d999802d4b807e3256d5a3f9fa1
+  #       with:
+  #         channel: beta
+  #     - run: ./tool/android_ci_script.sh
+
   # Verify the iOS add-to-app samples build and pass tests with the beta
   # channel.
   ios-build:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4747c2bc8..808c18581 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -36,6 +36,7 @@ jobs:
         with:
           channel: ${{ matrix.flutter_version }}
       - run: ./tool/flutter_ci_script_${{ matrix.flutter_version }}.sh
+
   web-samples-index:
     name: web/samples_index config check
     runs-on: ubuntu-latest
@@ -46,19 +47,21 @@ jobs:
           dart pub get
           dart run grinder generate
         working-directory: web/samples_index
-  android-build:
-    runs-on: ubuntu-latest
-    if: github.repository == 'flutter/samples'
-    steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
-      - uses: actions/setup-java@6a0805fcefea3d4657a47ac4c165951e33482018
-        with:
-          distribution: 'zulu'
-          java-version: '17'
-      - uses: subosito/flutter-action@44ac965b96f18d999802d4b807e3256d5a3f9fa1
-        with:
-          channel: stable
-      - run: ./tool/android_ci_script.sh
+
+  # android-build:
+  #   runs-on: ubuntu-latest
+  #   if: github.repository == 'flutter/samples'
+  #   steps:
+  #     - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+  #     - uses: actions/setup-java@6a0805fcefea3d4657a47ac4c165951e33482018
+  #       with:
+  #         distribution: 'zulu'
+  #         java-version: '17'
+  #     - uses: subosito/flutter-action@44ac965b96f18d999802d4b807e3256d5a3f9fa1
+  #       with:
+  #         channel: stable
+  #     - run: ./tool/android_ci_script.sh
+
   ios-build:
     runs-on: macos-latest
     if: github.repository == 'flutter/samples'
diff --git a/ai_recipe_generation/lib/features/prompt/prompt_screen.dart b/ai_recipe_generation/lib/features/prompt/prompt_screen.dart
index 0abc8a2b4..a22aa57c0 100644
--- a/ai_recipe_generation/lib/features/prompt/prompt_screen.dart
+++ b/ai_recipe_generation/lib/features/prompt/prompt_screen.dart
@@ -223,7 +223,7 @@ class PromptScreen extends StatelessWidget {
                               iconColor: Colors.black45,
                               buttonBackgroundColor: Colors.transparent,
                               hoverColor:
-                                  MarketplaceTheme.secondary.withOpacity(.1),
+                                  MarketplaceTheme.secondary.withAlpha(25),
                             ),
                           ),
                         const Spacer(flex: 1),
@@ -292,7 +292,7 @@ class PromptScreen extends StatelessWidget {
                         icon: Symbols.restart_alt,
                         iconColor: Colors.black45,
                         buttonBackgroundColor: Colors.transparent,
-                        hoverColor: MarketplaceTheme.secondary.withOpacity(.1),
+                        hoverColor: MarketplaceTheme.secondary.withAlpha(25),
                       ),
                     ),
                   const SizedBox(height: 200.0),
@@ -322,7 +322,7 @@ class _FilterChipSection extends StatelessWidget {
       child: Container(
         height: 230,
         decoration: BoxDecoration(
-          color: Theme.of(context).splashColor.withOpacity(.1),
+          color: Theme.of(context).splashColor.withAlpha(25),
           border: Border.all(
             color: MarketplaceTheme.borderColor,
           ),
diff --git a/ai_recipe_generation/lib/features/prompt/widgets/image_input_widget.dart b/ai_recipe_generation/lib/features/prompt/widgets/image_input_widget.dart
index f1a269a75..70484a16a 100644
--- a/ai_recipe_generation/lib/features/prompt/widgets/image_input_widget.dart
+++ b/ai_recipe_generation/lib/features/prompt/widgets/image_input_widget.dart
@@ -201,7 +201,7 @@ class _CameraViewState extends State<CameraView> {
           right: 0,
           height: 89.5,
           child: Container(
-            color: Colors.black.withOpacity(.7),
+            color: Colors.black.withAlpha(179),
             child: Row(
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
               children: [
@@ -247,7 +247,7 @@ class _CameraViewState extends State<CameraView> {
           right: 0,
           height: 150,
           child: Container(
-            color: Colors.black.withOpacity(.7),
+            color: Colors.black.withAlpha(179),
             child: Row(
               mainAxisAlignment: MainAxisAlignment.center,
               children: [
diff --git a/ai_recipe_generation/lib/features/recipes/saved_recipes_screen.dart b/ai_recipe_generation/lib/features/recipes/saved_recipes_screen.dart
index 567c70324..604ac64ad 100644
--- a/ai_recipe_generation/lib/features/recipes/saved_recipes_screen.dart
+++ b/ai_recipe_generation/lib/features/recipes/saved_recipes_screen.dart
@@ -193,7 +193,7 @@ class _ListTileState extends State<_ListTile> {
                 bottomLeft:
                     Radius.circular(MarketplaceTheme.defaultBorderRadius),
               ),
-              color: color.withOpacity(.3),
+              color: color.withAlpha(77),
             ),
             padding: const EdgeInsets.all(MarketplaceTheme.spacing7),
             child: Stack(
diff --git a/ai_recipe_generation/lib/features/recipes/widgets/recipe_display_widget.dart b/ai_recipe_generation/lib/features/recipes/widgets/recipe_display_widget.dart
index 780697a21..113f2015b 100644
--- a/ai_recipe_generation/lib/features/recipes/widgets/recipe_display_widget.dart
+++ b/ai_recipe_generation/lib/features/recipes/widgets/recipe_display_widget.dart
@@ -76,7 +76,7 @@ class RecipeDisplayWidget extends StatelessWidget {
         children: [
           Container(
             padding: const EdgeInsets.all(MarketplaceTheme.defaultBorderRadius),
-            color: MarketplaceTheme.primary.withOpacity(.5),
+            color: MarketplaceTheme.primary.withAlpha(128),
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
@@ -106,7 +106,7 @@ class RecipeDisplayWidget extends StatelessWidget {
                       style: ButtonStyle(
                         backgroundColor: WidgetStateColor.resolveWith((states) {
                           if (states.contains(WidgetState.hovered)) {
-                            return MarketplaceTheme.scrim.withOpacity(.6);
+                            return MarketplaceTheme.scrim.withAlpha(153);
                           }
                           return Colors.white;
                         }),
diff --git a/ai_recipe_generation/lib/router.dart b/ai_recipe_generation/lib/router.dart
index 9b1569b80..0ca954f95 100644
--- a/ai_recipe_generation/lib/router.dart
+++ b/ai_recipe_generation/lib/router.dart
@@ -35,9 +35,7 @@ class _AdaptiveRouterState extends State<AdaptiveRouter>
     super.initState();
     tabController = TabController(length: 2, vsync: this);
     _textStyle = MarketplaceTheme.heading1.copyWith(
-      color: Colors.black87.withOpacity(
-        1.0,
-      ),
+      color: Colors.black87.withAlpha(255),
     );
 
     scrollController = ScrollController();
@@ -60,7 +58,7 @@ class _AdaptiveRouterState extends State<AdaptiveRouter>
       // By offset 200, ensure the text is transparent
       if (scrollController.offset > 200) {
         _textStyle = _textStyle.copyWith(
-          color: Colors.black87.withOpacity(0),
+          color: Colors.black87.withAlpha(0),
         );
         return;
       }
@@ -73,9 +71,7 @@ class _AdaptiveRouterState extends State<AdaptiveRouter>
       if (value > 1) value = 1;
       if (value < 0) value = 0;
       _textStyle = _textStyle.copyWith(
-        color: Colors.black87.withOpacity(
-          value,
-        ),
+        color: Colors.black87.withAlpha((255 * value).ceil()),
       );
     });
   }
diff --git a/ai_recipe_generation/lib/util/tap_recorder.dart b/ai_recipe_generation/lib/util/tap_recorder.dart
index e3bf8cc69..d411473c5 100644
--- a/ai_recipe_generation/lib/util/tap_recorder.dart
+++ b/ai_recipe_generation/lib/util/tap_recorder.dart
@@ -96,9 +96,10 @@ class _RenderTapRecorder extends RenderProxyBox with _SilentTickerProvider {
             Rect.fromCircle(center: tap.localPosition, radius: _tapRadius));
       final opacity = 1 - tap.animation.value;
 
-      canvas.drawShadow(
-          path, _shadowColor.withOpacity(opacity), _shadowElevation, true);
-      canvas.drawPath(path, Paint()..color = _tapColor.withOpacity(opacity));
+      canvas.drawShadow(path, _shadowColor.withAlpha((2565 * opacity).ceil()),
+          _shadowElevation, true);
+      canvas.drawPath(
+          path, Paint()..color = _tapColor.withAlpha((2565 * opacity).ceil()));
     }
   }
 }
diff --git a/ai_recipe_generation/lib/widgets/add_image_widget.dart b/ai_recipe_generation/lib/widgets/add_image_widget.dart
index 5fa2efa85..8f1fe6dee 100644
--- a/ai_recipe_generation/lib/widgets/add_image_widget.dart
+++ b/ai_recipe_generation/lib/widgets/add_image_widget.dart
@@ -27,11 +27,11 @@ class _AddImageState extends State<AddImage> {
     var state = (hovered, tappedDown);
     return switch (state) {
       // tapped down state
-      (_, true) => MarketplaceTheme.secondary.withOpacity(.7),
+      (_, true) => MarketplaceTheme.secondary.withAlpha(179),
       // hovered
-      (true, _) => MarketplaceTheme.secondary.withOpacity(.3),
+      (true, _) => MarketplaceTheme.secondary.withAlpha(77),
       // base color
-      (_, _) => MarketplaceTheme.secondary.withOpacity(.3),
+      (_, _) => MarketplaceTheme.secondary.withAlpha(77),
     };
   }
 
diff --git a/ai_recipe_generation/lib/widgets/filter_chip_selection_input.dart b/ai_recipe_generation/lib/widgets/filter_chip_selection_input.dart
index 829411149..5d403699c 100644
--- a/ai_recipe_generation/lib/widgets/filter_chip_selection_input.dart
+++ b/ai_recipe_generation/lib/widgets/filter_chip_selection_input.dart
@@ -51,10 +51,10 @@ class _CategorySelectionInputState<T extends Enum>
               return FilterChip(
                 color: WidgetStateColor.resolveWith((states) {
                   if (states.contains(WidgetState.hovered)) {
-                    return MarketplaceTheme.secondary.withOpacity(.5);
+                    return MarketplaceTheme.secondary.withAlpha(128);
                   }
                   if (states.contains(WidgetState.selected)) {
-                    return MarketplaceTheme.secondary.withOpacity(.3);
+                    return MarketplaceTheme.secondary.withAlpha(77);
                   }
                   return Theme.of(context).splashColor;
                 }),
diff --git a/ai_recipe_generation/lib/widgets/highlight_border_on_hover_widget.dart b/ai_recipe_generation/lib/widgets/highlight_border_on_hover_widget.dart
index e9ab49635..d6fe3591c 100644
--- a/ai_recipe_generation/lib/widgets/highlight_border_on_hover_widget.dart
+++ b/ai_recipe_generation/lib/widgets/highlight_border_on_hover_widget.dart
@@ -38,7 +38,7 @@ class _HighlightBorderOnHoverWidgetState
       },
       child: Container(
         decoration: BoxDecoration(
-          color: Theme.of(context).splashColor.withOpacity(.1),
+          color: Theme.of(context).splashColor.withAlpha(25),
           border: Border.all(
             color: hovered ? widget.color : MarketplaceTheme.borderColor,
           ),
diff --git a/ai_recipe_generation/lib/widgets/marketplace_button_widget.dart b/ai_recipe_generation/lib/widgets/marketplace_button_widget.dart
index 142540be9..53cce4aaa 100644
--- a/ai_recipe_generation/lib/widgets/marketplace_button_widget.dart
+++ b/ai_recipe_generation/lib/widgets/marketplace_button_widget.dart
@@ -55,10 +55,10 @@ class _MarketplaceButtonState extends State<MarketplaceButton> {
         backgroundColor: WidgetStateColor.resolveWith((states) {
           if (states.contains(WidgetState.hovered)) {
             return widget.hoverColor ??
-                MarketplaceTheme.secondary.withOpacity(.3);
+                MarketplaceTheme.secondary.withAlpha(77);
           }
           return widget.buttonBackgroundColor ??
-              Theme.of(context).splashColor.withOpacity(.3);
+              Theme.of(context).splashColor.withAlpha(77);
         }),
         shape: WidgetStateProperty.resolveWith(
           (states) {
diff --git a/experimental/linting_tool/lib/theme/app_theme.dart b/experimental/linting_tool/lib/theme/app_theme.dart
index c027f3222..fc1339e79 100644
--- a/experimental/linting_tool/lib/theme/app_theme.dart
+++ b/experimental/linting_tool/lib/theme/app_theme.dart
@@ -13,7 +13,7 @@ abstract class AppTheme {
     return base.copyWith(
       bottomSheetTheme: BottomSheetThemeData(
         backgroundColor: AppColors.blue700,
-        modalBackgroundColor: Colors.white.withOpacity(0.7),
+        modalBackgroundColor: Colors.white.withAlpha(179),
       ),
       navigationRailTheme: NavigationRailThemeData(
         backgroundColor: AppColors.blue700,
@@ -53,7 +53,7 @@ abstract class AppTheme {
     return base.copyWith(
       bottomSheetTheme: BottomSheetThemeData(
         backgroundColor: AppColors.darkDrawerBackground,
-        modalBackgroundColor: Colors.black.withOpacity(0.7),
+        modalBackgroundColor: Colors.black.withAlpha(179),
       ),
       navigationRailTheme: NavigationRailThemeData(
         backgroundColor: AppColors.darkBottomAppBarBackground,
@@ -102,9 +102,9 @@ abstract class AppTheme {
     Brightness brightness,
   ) {
     return ChipThemeData(
-      backgroundColor: primaryColor.withOpacity(0.12),
-      disabledColor: primaryColor.withOpacity(0.87),
-      selectedColor: primaryColor.withOpacity(0.05),
+      backgroundColor: primaryColor.withAlpha(31),
+      disabledColor: primaryColor.withAlpha(222),
+      selectedColor: primaryColor.withAlpha(12),
       secondarySelectedColor: chipBackground,
       padding: const EdgeInsets.all(4),
       shape: const StadiumBorder(),
diff --git a/game_template/macos/Flutter/GeneratedPluginRegistrant.swift b/game_template/macos/Flutter/GeneratedPluginRegistrant.swift
index a01151bd4..bae0dafcc 100644
--- a/game_template/macos/Flutter/GeneratedPluginRegistrant.swift
+++ b/game_template/macos/Flutter/GeneratedPluginRegistrant.swift
@@ -12,6 +12,7 @@ import games_services
 import in_app_purchase_storekit
 import path_provider_foundation
 import shared_preferences_foundation
+import webview_flutter_wkwebview
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   AudioplayersDarwinPlugin.register(with: registry.registrar(forPlugin: "AudioplayersDarwinPlugin"))
@@ -21,4 +22,5 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   InAppPurchasePlugin.register(with: registry.registrar(forPlugin: "InAppPurchasePlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
+  FLTWebViewFlutterPlugin.register(with: registry.registrar(forPlugin: "FLTWebViewFlutterPlugin"))
 }
diff --git a/material_3_demo/lib/component_screen.dart b/material_3_demo/lib/component_screen.dart
index cddee8588..685137c33 100644
--- a/material_3_demo/lib/component_screen.dart
+++ b/material_3_demo/lib/component_screen.dart
@@ -2242,7 +2242,7 @@ class _MenusState extends State<Menus> {
               ),
               Icon(
                 selectedIcon?.icon,
-                color: selectedColor?.color ?? Colors.grey.withOpacity(0.5),
+                color: selectedColor?.color ?? Colors.grey.withAlpha(128),
               )
             ],
           ),
@@ -2568,10 +2568,8 @@ class ComponentGroupDecoration extends StatelessWidget {
       child: Card(
         margin: EdgeInsets.zero,
         elevation: 0,
-        color: Theme.of(context)
-            .colorScheme
-            .surfaceContainerHighest
-            .withOpacity(0.3),
+        color:
+            Theme.of(context).colorScheme.surfaceContainerHighest.withAlpha(77),
         child: Padding(
           padding: const EdgeInsets.symmetric(vertical: 20.0),
           child: Center(
diff --git a/simplistic_editor/lib/basic_text_input_client.dart b/simplistic_editor/lib/basic_text_input_client.dart
index 4f415eb6b..3e68189b1 100644
--- a/simplistic_editor/lib/basic_text_input_client.dart
+++ b/simplistic_editor/lib/basic_text_input_client.dart
@@ -1112,7 +1112,7 @@ class BasicTextInputClientState extends State<BasicTextInputClient>
                 minLines: null,
                 expands: false, // expands to height of parent.
                 strutStyle: null,
-                selectionColor: Colors.blue.withOpacity(0.40),
+                selectionColor: Colors.blue.withAlpha(102),
                 textScaler: MediaQuery.textScalerOf(context),
                 textAlign: TextAlign.left,
                 textDirection: _textDirection,