diff --git a/example/pubspec.lock b/example/pubspec.lock
index caf3e20..0bc43c4 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -124,7 +124,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "8.0.0-pre-1"
+    version: "8.0.2"
   glob:
     dependency: transitive
     description:
@@ -193,18 +193,18 @@ packages:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41"
+      sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.0"
+    version: "0.8.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      sha256: a6e590c838b18133bb482a2745ad77c5bb7715fb0451209e1a7567d416678b8e
+      sha256: "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136"
       url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.12.0"
   mime:
     dependency: transitive
     description:
@@ -402,14 +402,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
-  web:
-    dependency: transitive
-    description:
-      name: web
-      sha256: afe077240a270dcfd2aafe77602b4113645af95d0ad31128cc02bce5ac5d5152
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.3.0"
   web_socket_channel:
     dependency: transitive
     description:
@@ -435,4 +427,4 @@ packages:
     source: hosted
     version: "3.1.2"
 sdks:
-  dart: ">=3.2.0-194.0.dev <4.0.0"
+  dart: ">=3.3.0-0 <4.0.0"
diff --git a/example/windows/flutter/CMakeLists.txt b/example/windows/flutter/CMakeLists.txt
index 930d207..903f489 100644
--- a/example/windows/flutter/CMakeLists.txt
+++ b/example/windows/flutter/CMakeLists.txt
@@ -10,6 +10,11 @@ include(${EPHEMERAL_DIR}/generated_config.cmake)
 # https://github.com/flutter/flutter/issues/57146.
 set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
 
+# Set fallback configurations for older versions of the flutter tool.
+if (NOT DEFINED FLUTTER_TARGET_PLATFORM)
+  set(FLUTTER_TARGET_PLATFORM "windows-x64")
+endif()
+
 # === Flutter Library ===
 set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
 
@@ -92,7 +97,7 @@ add_custom_command(
   COMMAND ${CMAKE_COMMAND} -E env
     ${FLUTTER_TOOL_ENVIRONMENT}
     "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
-      windows-x64 $<CONFIG>
+      ${FLUTTER_TARGET_PLATFORM} $<CONFIG>
   VERBATIM
 )
 add_custom_target(flutter_assemble DEPENDS
diff --git a/example/windows/runner/flutter_window.cpp b/example/windows/runner/flutter_window.cpp
index b25e363..955ee30 100644
--- a/example/windows/runner/flutter_window.cpp
+++ b/example/windows/runner/flutter_window.cpp
@@ -31,6 +31,11 @@ bool FlutterWindow::OnCreate() {
     this->Show();
   });
 
+  // Flutter can complete the first frame before the "show window" callback is
+  // registered. The following call ensures a frame is pending to ensure the
+  // window is shown. It is a no-op if the first frame hasn't completed yet.
+  flutter_controller_->ForceRedraw();
+
   return true;
 }
 
diff --git a/test/async_test.dart b/test/async_test.dart
index d15963d..a25b28d 100644
--- a/test/async_test.dart
+++ b/test/async_test.dart
@@ -19,11 +19,13 @@ class TestClassParam {
 class TestClass extends TestBaseClass {
   GetIt? getIt;
   bool initCompleted = false;
+  int initMsDelay;
 
   /// if we do the initialisation from inside the constructor the init function has to signal GetIt
   /// that it has finished. For that we need to pass in the completer that we got from the factory call
   /// that we set up in the registration.
-  TestClass({required bool internalCompletion, this.getIt}) {
+  TestClass(
+      {required bool internalCompletion, this.initMsDelay = 10, this.getIt}) {
     constructorCounter++;
     if (internalCompletion) {
       assert(getIt != null);
@@ -33,7 +35,7 @@ class TestClass extends TestBaseClass {
 
   /// This one signals after a delay
   Future initWithSignal() {
-    return Future.delayed(const Duration(milliseconds: 10)).then((_) {
+    return Future.delayed(Duration(milliseconds: initMsDelay)).then((_) {
       getIt!.signalReady(this);
       initCompleted = true;
     });
@@ -41,13 +43,13 @@ class TestClass extends TestBaseClass {
 
   // We use this as dummy init that will return a future
   Future<TestClass> init() async {
-    await Future.delayed(const Duration(milliseconds: 10));
+    await Future.delayed(Duration(milliseconds: initMsDelay));
     initCompleted = true;
     return this;
   }
 
   Future<TestClass> initWithExeption() async {
-    await Future.delayed(const Duration(milliseconds: 10));
+    await Future.delayed(Duration(milliseconds: initMsDelay));
     throw StateError('Intentional');
   }
 
@@ -73,6 +75,7 @@ class TestClassWillSignalReady2 extends TestClass implements WillSignalReady {
 class TestClass2 extends TestClass {
   TestClass2({
     required super.internalCompletion,
+    super.initMsDelay = 10,
     super.getIt,
   });
 }
@@ -346,29 +349,45 @@ void main() {
   });
 
   test('ready automatic signalling for async Singletons', () async {
-    final getIt = GetIt.instance;
-    getIt.reset();
+    try {
+      final getIt = GetIt.instance;
+      await getIt.reset();
 
-    getIt.registerSingletonAsync<TestClass>(
-      () async => TestClass(internalCompletion: false).init(),
-    );
-    getIt.registerSingletonAsync<TestClass2>(
-      () async {
-        final instance = TestClass2(internalCompletion: false);
-        await instance.init();
-        return instance;
-      },
-    );
-    getIt.registerSingletonAsync(
-      () async => TestClass2(internalCompletion: false)..init(),
-      instanceName: 'Second Instance',
-    );
-    expect(getIt.allReady(), completes);
+      getIt.registerSingletonAsync<TestClass>(
+        () async => TestClass(internalCompletion: false).init(),
+      );
+      getIt.registerSingletonAsync<TestClass2>(
+        () async {
+          final instance =
+              TestClass2(internalCompletion: false, initMsDelay: 50);
+          await instance.init();
+          return instance;
+        },
+      );
+      getIt.registerSingletonAsync<TestClass>(
+        () async => TestClass2(internalCompletion: false).init(),
+        instanceName: 'Second Instance',
+      );
+
+      expect(getIt.isReadySync<TestClass>(), false);
+      expect(getIt.isReadySync<TestClass2>(), false);
+      expect(
+          getIt.isReadySync<TestClass>(instanceName: 'Second Instance'), false);
+
+      await getIt.allReady();
+
+      expect(getIt.isReadySync<TestClass>(), true);
+      expect(getIt.isReadySync<TestClass2>(), true);
+      expect(
+          getIt.isReadySync<TestClass>(instanceName: 'Second Instance'), true);
+    } on Exception catch (e) {
+      print(e);
+    }
   });
 
   test('isReady propagates Error', () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
 
     getIt.registerSingletonAsync<TestClass>(
       () async => TestClass(internalCompletion: false).initWithExeption(),
@@ -379,7 +398,7 @@ void main() {
   test('allReady propagades Exceptions that occur in the factory functions',
       () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
 
     getIt.registerSingletonAsync<TestClass>(
       () async => TestClass(internalCompletion: false).init(),
@@ -400,7 +419,7 @@ void main() {
   });
   test('ready manual synchronisation of sequence', () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
     errorCounter = 0;
     var flag1 = false;
     var flag2 = false;
@@ -659,7 +678,7 @@ void main() {
 
   test('asyncFactory called with getAsync', () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
 
     getIt.registerFactoryAsync<TestClass>(
       () => Future.value(TestClass(internalCompletion: false)),
@@ -754,9 +773,9 @@ void main() {
     expect(instance2.param2, null);
   });
 
-  test('register factory with Params with wrong type', () {
+  test('register factory with Params with wrong type', () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
 
     constructorCounter = 0;
     getIt.registerFactoryParamAsync<TestClassParam, String, int>(
@@ -770,9 +789,9 @@ void main() {
   });
 
   test('register factory with Params with non-nullable type but not pass it',
-      () {
+      () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
 
     constructorCounter = 0;
     getIt.registerFactoryParamAsync<TestClassParam, String, void>(
@@ -787,7 +806,7 @@ void main() {
 
   test('asyncFactory called with get instead of getAsync', () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
 
     getIt.registerFactoryAsync<TestClass>(
       () => Future.value(TestClass(internalCompletion: false)),
@@ -801,7 +820,7 @@ void main() {
 
   test('asyncLazySingleton called with get before it was ready', () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
 
     getIt.registerLazySingletonAsync<TestClass>(
       () => Future.value(TestClass(internalCompletion: false)),
@@ -816,7 +835,7 @@ void main() {
 
   test('asyncLazySingleton called with getAsync', () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
 
     getIt.registerLazySingletonAsync<TestClass>(
       () => Future.value(TestClass(internalCompletion: false)..init()),
@@ -843,7 +862,7 @@ void main() {
 
   test('isReady called on asyncLazySingleton ', () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
 
     getIt.registerLazySingletonAsync<TestClass>(
       () => Future.value(TestClass(internalCompletion: false)),
diff --git a/test/skip_double_registration_test.dart b/test/skip_double_registration_test.dart
index ed1421c..7cea02e 100644
--- a/test/skip_double_registration_test.dart
+++ b/test/skip_double_registration_test.dart
@@ -6,7 +6,7 @@ void main() {
     final getIt = GetIt.instance;
     getIt.allowReassignment = false;
     getIt.skipDoubleRegistration = false;
-    getIt.reset();
+    await getIt.reset();
     getIt.registerSingleton<DataStore>(MockDataStore());
 
     expect(
@@ -17,7 +17,7 @@ void main() {
 
   test(' replaces dependency safely ', () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
     getIt.allowReassignment = true;
     getIt.skipDoubleRegistration = false;
     getIt.registerSingleton<DataStore>(MockDataStore());
@@ -28,7 +28,7 @@ void main() {
 
   test(' Ignores Double registration error ', () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
     getIt.allowReassignment = false;
     getIt.skipDoubleRegistration = true;
     getIt.registerSingleton<DataStore>(MockDataStore());
@@ -41,7 +41,7 @@ void main() {
   test(' Ignores Double named registration error ', () async {
     final getIt = GetIt.instance;
     const instanceName = 'named';
-    getIt.reset();
+    await getIt.reset();
     getIt.allowReassignment = false;
     getIt.skipDoubleRegistration = true;
     getIt.registerSingleton<DataStore>(RemoteDataStore());
@@ -61,7 +61,7 @@ void main() {
 
   test(' does not care about [skipDoubleRegistration] varibale   ', () async {
     final getIt = GetIt.instance;
-    getIt.reset();
+    await getIt.reset();
     getIt.allowReassignment = true;
     getIt.skipDoubleRegistration = true;
     getIt.registerSingleton<DataStore>(MockDataStore());