diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 3bb4e91f7f..d34869e8ef 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -10,8 +10,8 @@ on:
 env:
   CARGO_TERM_COLOR: always
   FRB_MAIN_RUST_VERSION: 1.74.0
-  FRB_MAIN_DART_VERSION: 3.3.0
-  FRB_MAIN_FLUTTER_VERSION: 3.19.2
+  FRB_MAIN_DART_VERSION: 3.4.0
+  FRB_MAIN_FLUTTER_VERSION: 3.22.0
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
diff --git a/.github/workflows/post_release.yaml b/.github/workflows/post_release.yaml
index f61fa5cab1..7f431ec990 100644
--- a/.github/workflows/post_release.yaml
+++ b/.github/workflows/post_release.yaml
@@ -12,8 +12,8 @@ on:
 env:
   CARGO_TERM_COLOR: always
   FRB_MAIN_RUST_VERSION: 1.74.0
-  FRB_MAIN_DART_VERSION: 3.3.0
-  FRB_MAIN_FLUTTER_VERSION: 3.19.2
+  FRB_MAIN_DART_VERSION: 3.4.0
+  FRB_MAIN_FLUTTER_VERSION: 3.22.0
 
 jobs:
   test_mimic_quickstart:
diff --git a/frb_example/flutter_via_create/.metadata b/frb_example/flutter_via_create/.metadata
index bae49f356f..8ca14df433 100644
--- a/frb_example/flutter_via_create/.metadata
+++ b/frb_example/flutter_via_create/.metadata
@@ -4,7 +4,7 @@
 # This file should be version controlled and should not be manually edited.
 
 version:
-  revision: "7482962148e8d758338d8a28f589f317e1e42ba4"
+  revision: "5dcb86f68f239346676ceb1ed1ea385bd215fba1"
   channel: "stable"
 
 project_type: app
@@ -13,26 +13,26 @@ project_type: app
 migration:
   platforms:
     - platform: root
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: android
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: ios
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: linux
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: macos
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: web
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: windows
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
 
   # User provided section
 
diff --git a/frb_example/flutter_via_create/android/app/build.gradle b/frb_example/flutter_via_create/android/app/build.gradle
index a68d619dfd..da523b306b 100644
--- a/frb_example/flutter_via_create/android/app/build.gradle
+++ b/frb_example/flutter_via_create/android/app/build.gradle
@@ -1,67 +1,58 @@
 plugins {
     id "com.android.application"
     id "kotlin-android"
+    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
     id "dev.flutter.flutter-gradle-plugin"
 }
 
 def localProperties = new Properties()
-def localPropertiesFile = rootProject.file('local.properties')
+def localPropertiesFile = rootProject.file("local.properties")
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withReader('UTF-8') { reader ->
+    localPropertiesFile.withReader("UTF-8") { reader ->
         localProperties.load(reader)
     }
 }
 
-def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+def flutterVersionCode = localProperties.getProperty("flutter.versionCode")
 if (flutterVersionCode == null) {
-    flutterVersionCode = '1'
+    flutterVersionCode = "1"
 }
 
-def flutterVersionName = localProperties.getProperty('flutter.versionName')
+def flutterVersionName = localProperties.getProperty("flutter.versionName")
 if (flutterVersionName == null) {
-    flutterVersionName = '1.0'
+    flutterVersionName = "1.0"
 }
 
 android {
-    namespace "com.example.flutter_via_create"
-    compileSdk flutter.compileSdkVersion
-    ndkVersion flutter.ndkVersion
+    namespace = "com.example.flutter_via_create"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
-
-    kotlinOptions {
-        jvmTarget = '1.8'
-    }
-
-    sourceSets {
-        main.java.srcDirs += 'src/main/kotlin'
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
     }
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.example.flutter_via_create"
+        applicationId = "com.example.flutter_via_create"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion flutter.minSdkVersion
-        targetSdkVersion flutter.targetSdkVersion
-        versionCode flutterVersionCode.toInteger()
-        versionName flutterVersionName
+        minSdk = flutter.minSdkVersion
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutterVersionCode.toInteger()
+        versionName = flutterVersionName
     }
 
     buildTypes {
         release {
             // TODO: Add your own signing config for the release build.
             // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig signingConfigs.debug
+            signingConfig = signingConfigs.debug
         }
     }
 }
 
 flutter {
-    source '../..'
+    source = "../.."
 }
-
-dependencies {}
diff --git a/frb_example/flutter_via_create/android/app/src/main/AndroidManifest.xml b/frb_example/flutter_via_create/android/app/src/main/AndroidManifest.xml
index 14d1d08625..85b2e07c3b 100644
--- a/frb_example/flutter_via_create/android/app/src/main/AndroidManifest.xml
+++ b/frb_example/flutter_via_create/android/app/src/main/AndroidManifest.xml
@@ -7,6 +7,7 @@
             android:name=".MainActivity"
             android:exported="true"
             android:launchMode="singleTop"
+            android:taskAffinity=""
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
@@ -31,7 +32,7 @@
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
diff --git a/frb_example/flutter_via_create/android/build.gradle b/frb_example/flutter_via_create/android/build.gradle
index bc157bd1a1..d2ffbffa4c 100644
--- a/frb_example/flutter_via_create/android/build.gradle
+++ b/frb_example/flutter_via_create/android/build.gradle
@@ -5,12 +5,12 @@ allprojects {
     }
 }
 
-rootProject.buildDir = '../build'
+rootProject.buildDir = "../build"
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
 }
 subprojects {
-    project.evaluationDependsOn(':app')
+    project.evaluationDependsOn(":app")
 }
 
 tasks.register("clean", Delete) {
diff --git a/frb_example/flutter_via_create/android/gradle.properties b/frb_example/flutter_via_create/android/gradle.properties
index 598d13fee4..3b5b324f6e 100644
--- a/frb_example/flutter_via_create/android/gradle.properties
+++ b/frb_example/flutter_via_create/android/gradle.properties
@@ -1,3 +1,3 @@
-org.gradle.jvmargs=-Xmx4G
+org.gradle.jvmargs=-Xmx4G -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
 android.enableJetifier=true
diff --git a/frb_example/flutter_via_create/android/settings.gradle b/frb_example/flutter_via_create/android/settings.gradle
index 1d6d19b7f8..536165d35a 100644
--- a/frb_example/flutter_via_create/android/settings.gradle
+++ b/frb_example/flutter_via_create/android/settings.gradle
@@ -5,10 +5,9 @@ pluginManagement {
         def flutterSdkPath = properties.getProperty("flutter.sdk")
         assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
         return flutterSdkPath
-    }
-    settings.ext.flutterSdkPath = flutterSdkPath()
+    }()
 
-    includeBuild("${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle")
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
     repositories {
         google()
diff --git a/frb_example/flutter_via_create/ios/Runner/AppDelegate.swift b/frb_example/flutter_via_create/ios/Runner/AppDelegate.swift
index 70693e4a8c..9074fee929 100644
--- a/frb_example/flutter_via_create/ios/Runner/AppDelegate.swift
+++ b/frb_example/flutter_via_create/ios/Runner/AppDelegate.swift
@@ -1,5 +1,5 @@
-import UIKit
 import Flutter
+import UIKit
 
 @UIApplicationMain
 @objc class AppDelegate: FlutterAppDelegate {
diff --git a/frb_example/flutter_via_create/macos/RunnerTests/RunnerTests.swift b/frb_example/flutter_via_create/macos/RunnerTests/RunnerTests.swift
index 5418c9f539..61f3bd1fc5 100644
--- a/frb_example/flutter_via_create/macos/RunnerTests/RunnerTests.swift
+++ b/frb_example/flutter_via_create/macos/RunnerTests/RunnerTests.swift
@@ -1,5 +1,5 @@
-import FlutterMacOS
 import Cocoa
+import FlutterMacOS
 import XCTest
 
 class RunnerTests: XCTestCase {
diff --git a/frb_example/flutter_via_create/pubspec.lock b/frb_example/flutter_via_create/pubspec.lock
index 06c709de60..d0be0c251b 100644
--- a/frb_example/flutter_via_create/pubspec.lock
+++ b/frb_example/flutter_via_create/pubspec.lock
@@ -133,26 +133,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "78eb209deea09858f5269f5a5b02be4049535f568c07b275096836f01ea323fa"
+      sha256: "7f0df31977cb2c0b88585095d168e689669a2cc9b97c309665e3386f3e9d341a"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.0"
+    version: "10.0.4"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: b46c5e37c19120a8a01918cfaf293547f47269f7cb4b0058f21531c2465d6ef0
+      sha256: "06e98f569d004c1315b991ded39924b21af84cf14cc94791b8aea337d25b57f8"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.3"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: a597f72a664dbd293f3bfc51f9ba69816f84dcd403cdac7066cb3f6003f3ab47
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.1"
   lints:
     dependency: transitive
     description:
@@ -181,10 +181,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
+      sha256: "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136"
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.0"
+    version: "1.12.0"
   path:
     dependency: transitive
     description:
@@ -281,10 +281,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b"
+      sha256: "9955ae474176f7ac8ee4e989dadfb411a58c30415bcfb648fa04b2b8a03afa7f"
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.1"
+    version: "0.7.0"
   vector_math:
     dependency: transitive
     description:
@@ -297,10 +297,10 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: b3d56ff4341b8f182b96aceb2fa20e3dcb336b9f867bc0eafc0de10f1048e957
+      sha256: "3923c89304b715fb1eb6423f017651664a03bf5f4b29983627c4da791f74a4ec"
       url: "https://pub.dev"
     source: hosted
-    version: "13.0.0"
+    version: "14.2.1"
   webdriver:
     dependency: transitive
     description:
@@ -310,5 +310,5 @@ packages:
     source: hosted
     version: "3.0.3"
 sdks:
-  dart: ">=3.3.0 <4.0.0"
-  flutter: ">=3.3.0"
+  dart: ">=3.4.0 <4.0.0"
+  flutter: ">=3.18.0-18.0.pre.54"
diff --git a/frb_example/flutter_via_create/pubspec.yaml b/frb_example/flutter_via_create/pubspec.yaml
index a556ad1a19..2a4c21006b 100644
--- a/frb_example/flutter_via_create/pubspec.yaml
+++ b/frb_example/flutter_via_create/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: '>=3.3.0 <4.0.0'
+  sdk: '>=3.4.0 <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
diff --git a/frb_example/flutter_via_create/web/index.html b/frb_example/flutter_via_create/web/index.html
index 3f05969207..2ff65142e7 100644
--- a/frb_example/flutter_via_create/web/index.html
+++ b/frb_example/flutter_via_create/web/index.html
@@ -31,29 +31,8 @@
 
   <title>flutter_via_create</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>
diff --git a/frb_example/flutter_via_create/windows/runner/utils.cpp b/frb_example/flutter_via_create/windows/runner/utils.cpp
index b2b08734db..3a0b46511a 100644
--- a/frb_example/flutter_via_create/windows/runner/utils.cpp
+++ b/frb_example/flutter_via_create/windows/runner/utils.cpp
@@ -45,13 +45,13 @@ std::string Utf8FromUtf16(const wchar_t* utf16_string) {
   if (utf16_string == nullptr) {
     return std::string();
   }
-  int target_length = ::WideCharToMultiByte(
+  unsigned int target_length = ::WideCharToMultiByte(
       CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
       -1, nullptr, 0, nullptr, nullptr)
     -1; // remove the trailing null character
   int input_length = (int)wcslen(utf16_string);
   std::string utf8_string;
-  if (target_length <= 0 || target_length > utf8_string.max_size()) {
+  if (target_length == 0 || target_length > utf8_string.max_size()) {
     return utf8_string;
   }
   utf8_string.resize(target_length);
diff --git a/frb_example/flutter_via_integrate/.metadata b/frb_example/flutter_via_integrate/.metadata
index bae49f356f..8ca14df433 100644
--- a/frb_example/flutter_via_integrate/.metadata
+++ b/frb_example/flutter_via_integrate/.metadata
@@ -4,7 +4,7 @@
 # This file should be version controlled and should not be manually edited.
 
 version:
-  revision: "7482962148e8d758338d8a28f589f317e1e42ba4"
+  revision: "5dcb86f68f239346676ceb1ed1ea385bd215fba1"
   channel: "stable"
 
 project_type: app
@@ -13,26 +13,26 @@ project_type: app
 migration:
   platforms:
     - platform: root
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: android
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: ios
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: linux
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: macos
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: web
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
     - platform: windows
-      create_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
-      base_revision: 7482962148e8d758338d8a28f589f317e1e42ba4
+      create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
+      base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1
 
   # User provided section
 
diff --git a/frb_example/flutter_via_integrate/android/app/build.gradle b/frb_example/flutter_via_integrate/android/app/build.gradle
index 062a9a69cb..3d9da919d0 100644
--- a/frb_example/flutter_via_integrate/android/app/build.gradle
+++ b/frb_example/flutter_via_integrate/android/app/build.gradle
@@ -1,67 +1,58 @@
 plugins {
     id "com.android.application"
     id "kotlin-android"
+    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
     id "dev.flutter.flutter-gradle-plugin"
 }
 
 def localProperties = new Properties()
-def localPropertiesFile = rootProject.file('local.properties')
+def localPropertiesFile = rootProject.file("local.properties")
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withReader('UTF-8') { reader ->
+    localPropertiesFile.withReader("UTF-8") { reader ->
         localProperties.load(reader)
     }
 }
 
-def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+def flutterVersionCode = localProperties.getProperty("flutter.versionCode")
 if (flutterVersionCode == null) {
-    flutterVersionCode = '1'
+    flutterVersionCode = "1"
 }
 
-def flutterVersionName = localProperties.getProperty('flutter.versionName')
+def flutterVersionName = localProperties.getProperty("flutter.versionName")
 if (flutterVersionName == null) {
-    flutterVersionName = '1.0'
+    flutterVersionName = "1.0"
 }
 
 android {
-    namespace "com.example.flutter_via_integrate"
-    compileSdk flutter.compileSdkVersion
-    ndkVersion flutter.ndkVersion
+    namespace = "com.example.flutter_via_integrate"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
-
-    kotlinOptions {
-        jvmTarget = '1.8'
-    }
-
-    sourceSets {
-        main.java.srcDirs += 'src/main/kotlin'
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
     }
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.example.flutter_via_integrate"
+        applicationId = "com.example.flutter_via_integrate"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion flutter.minSdkVersion
-        targetSdkVersion flutter.targetSdkVersion
-        versionCode flutterVersionCode.toInteger()
-        versionName flutterVersionName
+        minSdk = flutter.minSdkVersion
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutterVersionCode.toInteger()
+        versionName = flutterVersionName
     }
 
     buildTypes {
         release {
             // TODO: Add your own signing config for the release build.
             // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig signingConfigs.debug
+            signingConfig = signingConfigs.debug
         }
     }
 }
 
 flutter {
-    source '../..'
+    source = "../.."
 }
-
-dependencies {}
diff --git a/frb_example/flutter_via_integrate/android/app/src/main/AndroidManifest.xml b/frb_example/flutter_via_integrate/android/app/src/main/AndroidManifest.xml
index 6f9885f6b5..ded5160660 100644
--- a/frb_example/flutter_via_integrate/android/app/src/main/AndroidManifest.xml
+++ b/frb_example/flutter_via_integrate/android/app/src/main/AndroidManifest.xml
@@ -7,6 +7,7 @@
             android:name=".MainActivity"
             android:exported="true"
             android:launchMode="singleTop"
+            android:taskAffinity=""
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
@@ -31,7 +32,7 @@
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
diff --git a/frb_example/flutter_via_integrate/android/build.gradle b/frb_example/flutter_via_integrate/android/build.gradle
index bc157bd1a1..d2ffbffa4c 100644
--- a/frb_example/flutter_via_integrate/android/build.gradle
+++ b/frb_example/flutter_via_integrate/android/build.gradle
@@ -5,12 +5,12 @@ allprojects {
     }
 }
 
-rootProject.buildDir = '../build'
+rootProject.buildDir = "../build"
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
 }
 subprojects {
-    project.evaluationDependsOn(':app')
+    project.evaluationDependsOn(":app")
 }
 
 tasks.register("clean", Delete) {
diff --git a/frb_example/flutter_via_integrate/android/gradle.properties b/frb_example/flutter_via_integrate/android/gradle.properties
index 598d13fee4..3b5b324f6e 100644
--- a/frb_example/flutter_via_integrate/android/gradle.properties
+++ b/frb_example/flutter_via_integrate/android/gradle.properties
@@ -1,3 +1,3 @@
-org.gradle.jvmargs=-Xmx4G
+org.gradle.jvmargs=-Xmx4G -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
 android.enableJetifier=true
diff --git a/frb_example/flutter_via_integrate/android/settings.gradle b/frb_example/flutter_via_integrate/android/settings.gradle
index 1d6d19b7f8..536165d35a 100644
--- a/frb_example/flutter_via_integrate/android/settings.gradle
+++ b/frb_example/flutter_via_integrate/android/settings.gradle
@@ -5,10 +5,9 @@ pluginManagement {
         def flutterSdkPath = properties.getProperty("flutter.sdk")
         assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
         return flutterSdkPath
-    }
-    settings.ext.flutterSdkPath = flutterSdkPath()
+    }()
 
-    includeBuild("${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle")
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
     repositories {
         google()
diff --git a/frb_example/flutter_via_integrate/ios/Runner/AppDelegate.swift b/frb_example/flutter_via_integrate/ios/Runner/AppDelegate.swift
index 70693e4a8c..9074fee929 100644
--- a/frb_example/flutter_via_integrate/ios/Runner/AppDelegate.swift
+++ b/frb_example/flutter_via_integrate/ios/Runner/AppDelegate.swift
@@ -1,5 +1,5 @@
-import UIKit
 import Flutter
+import UIKit
 
 @UIApplicationMain
 @objc class AppDelegate: FlutterAppDelegate {
diff --git a/frb_example/flutter_via_integrate/macos/RunnerTests/RunnerTests.swift b/frb_example/flutter_via_integrate/macos/RunnerTests/RunnerTests.swift
index 5418c9f539..61f3bd1fc5 100644
--- a/frb_example/flutter_via_integrate/macos/RunnerTests/RunnerTests.swift
+++ b/frb_example/flutter_via_integrate/macos/RunnerTests/RunnerTests.swift
@@ -1,5 +1,5 @@
-import FlutterMacOS
 import Cocoa
+import FlutterMacOS
 import XCTest
 
 class RunnerTests: XCTestCase {
diff --git a/frb_example/flutter_via_integrate/pubspec.lock b/frb_example/flutter_via_integrate/pubspec.lock
index bcd2ef6e8f..50b17bdf5b 100644
--- a/frb_example/flutter_via_integrate/pubspec.lock
+++ b/frb_example/flutter_via_integrate/pubspec.lock
@@ -133,26 +133,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "78eb209deea09858f5269f5a5b02be4049535f568c07b275096836f01ea323fa"
+      sha256: "7f0df31977cb2c0b88585095d168e689669a2cc9b97c309665e3386f3e9d341a"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.0"
+    version: "10.0.4"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: b46c5e37c19120a8a01918cfaf293547f47269f7cb4b0058f21531c2465d6ef0
+      sha256: "06e98f569d004c1315b991ded39924b21af84cf14cc94791b8aea337d25b57f8"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.3"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: a597f72a664dbd293f3bfc51f9ba69816f84dcd403cdac7066cb3f6003f3ab47
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.1"
   lints:
     dependency: transitive
     description:
@@ -181,10 +181,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
+      sha256: "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136"
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.0"
+    version: "1.12.0"
   path:
     dependency: transitive
     description:
@@ -281,10 +281,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b"
+      sha256: "9955ae474176f7ac8ee4e989dadfb411a58c30415bcfb648fa04b2b8a03afa7f"
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.1"
+    version: "0.7.0"
   vector_math:
     dependency: transitive
     description:
@@ -297,10 +297,10 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: b3d56ff4341b8f182b96aceb2fa20e3dcb336b9f867bc0eafc0de10f1048e957
+      sha256: "3923c89304b715fb1eb6423f017651664a03bf5f4b29983627c4da791f74a4ec"
       url: "https://pub.dev"
     source: hosted
-    version: "13.0.0"
+    version: "14.2.1"
   webdriver:
     dependency: transitive
     description:
@@ -310,5 +310,5 @@ packages:
     source: hosted
     version: "3.0.3"
 sdks:
-  dart: ">=3.3.0 <4.0.0"
-  flutter: ">=3.3.0"
+  dart: ">=3.4.0 <4.0.0"
+  flutter: ">=3.18.0-18.0.pre.54"
diff --git a/frb_example/flutter_via_integrate/pubspec.yaml b/frb_example/flutter_via_integrate/pubspec.yaml
index cb706f2c1c..5f26027ac1 100644
--- a/frb_example/flutter_via_integrate/pubspec.yaml
+++ b/frb_example/flutter_via_integrate/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: '>=3.3.0 <4.0.0'
+  sdk: '>=3.4.0 <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
diff --git a/frb_example/flutter_via_integrate/web/index.html b/frb_example/flutter_via_integrate/web/index.html
index e04b5a52ca..5c65ed2e7b 100644
--- a/frb_example/flutter_via_integrate/web/index.html
+++ b/frb_example/flutter_via_integrate/web/index.html
@@ -31,29 +31,8 @@
 
   <title>flutter_via_integrate</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>
diff --git a/frb_example/flutter_via_integrate/windows/runner/utils.cpp b/frb_example/flutter_via_integrate/windows/runner/utils.cpp
index b2b08734db..3a0b46511a 100644
--- a/frb_example/flutter_via_integrate/windows/runner/utils.cpp
+++ b/frb_example/flutter_via_integrate/windows/runner/utils.cpp
@@ -45,13 +45,13 @@ std::string Utf8FromUtf16(const wchar_t* utf16_string) {
   if (utf16_string == nullptr) {
     return std::string();
   }
-  int target_length = ::WideCharToMultiByte(
+  unsigned int target_length = ::WideCharToMultiByte(
       CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
       -1, nullptr, 0, nullptr, nullptr)
     -1; // remove the trailing null character
   int input_length = (int)wcslen(utf16_string);
   std::string utf8_string;
-  if (target_length <= 0 || target_length > utf8_string.max_size()) {
+  if (target_length == 0 || target_length > utf8_string.max_size()) {
     return utf8_string;
   }
   utf8_string.resize(target_length);
diff --git a/frb_example/gallery/lib/main.dart b/frb_example/gallery/lib/main.dart
index 60b73b0cf6..2e6c931969 100644
--- a/frb_example/gallery/lib/main.dart
+++ b/frb_example/gallery/lib/main.dart
@@ -15,7 +15,7 @@ class MyApp extends StatelessWidget {
     return MaterialApp(
       theme: ThemeData(
         colorScheme: const ColorScheme.light(
-          background: Colors.white,
+          surface: Colors.white,
           primary: Colors.blue,
         ),
       ),
diff --git a/frb_example/gallery/pubspec.lock b/frb_example/gallery/pubspec.lock
index 0f5940615d..6e415e39c9 100644
--- a/frb_example/gallery/pubspec.lock
+++ b/frb_example/gallery/pubspec.lock
@@ -357,26 +357,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "78eb209deea09858f5269f5a5b02be4049535f568c07b275096836f01ea323fa"
+      sha256: "7f0df31977cb2c0b88585095d168e689669a2cc9b97c309665e3386f3e9d341a"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.0"
+    version: "10.0.4"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: b46c5e37c19120a8a01918cfaf293547f47269f7cb4b0058f21531c2465d6ef0
+      sha256: "06e98f569d004c1315b991ded39924b21af84cf14cc94791b8aea337d25b57f8"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.3"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: a597f72a664dbd293f3bfc51f9ba69816f84dcd403cdac7066cb3f6003f3ab47
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.1"
   lints:
     dependency: "direct main"
     description:
@@ -413,10 +413,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
+      sha256: "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136"
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.0"
+    version: "1.12.0"
   mime:
     dependency: transitive
     description:
@@ -633,26 +633,26 @@ packages:
     dependency: "direct dev"
     description:
       name: test
-      sha256: a1f7595805820fcc05e5c52e3a231aedd0b72972cb333e8c738a8b1239448b6f
+      sha256: "7ee446762c2c50b3bd4ea96fe13ffac69919352bd3b4b17bac3f3465edc58073"
       url: "https://pub.dev"
     source: hosted
-    version: "1.24.9"
+    version: "1.25.2"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      sha256: "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b"
+      sha256: "9955ae474176f7ac8ee4e989dadfb411a58c30415bcfb648fa04b2b8a03afa7f"
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.1"
+    version: "0.7.0"
   test_core:
     dependency: transitive
     description:
       name: test_core
-      sha256: a757b14fc47507060a162cc2530d9a4a2f92f5100a952c7443b5cad5ef5b106a
+      sha256: "2bc4b4ecddd75309300d8096f781c0e3280ca1ef85beda558d33fcbedc2eead4"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.9"
+    version: "0.6.0"
   timing:
     dependency: transitive
     description:
@@ -681,10 +681,10 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: b3d56ff4341b8f182b96aceb2fa20e3dcb336b9f867bc0eafc0de10f1048e957
+      sha256: "3923c89304b715fb1eb6423f017651664a03bf5f4b29983627c4da791f74a4ec"
       url: "https://pub.dev"
     source: hosted
-    version: "13.0.0"
+    version: "14.2.1"
   watcher:
     dependency: transitive
     description:
@@ -735,4 +735,4 @@ packages:
     version: "2.1.1"
 sdks:
   dart: ">=3.3.0 <4.0.0"
-  flutter: ">=3.3.0"
+  flutter: ">=3.18.0-18.0.pre.54"