diff --git a/src/Directory.Build.targets b/src/Directory.Build.targets
index 7d77c0a2e11a..9141138f363b 100644
--- a/src/Directory.Build.targets
+++ b/src/Directory.Build.targets
@@ -75,8 +75,8 @@
 		<PackageReference Update="Uno.Core.Extensions.Disposables" Version="4.0.1" />
 		<PackageReference Update="Uno.Core.Extensions.Compatibility" Version="4.0.1" />
 		<PackageReference Update="Uno.Diagnostics.Eventing" Version="2.0.1" />
-		<PackageReference Update="Uno.Wasm.Bootstrap" Version="9.0.0-dev.86" />
-		<PackageReference Update="Uno.Wasm.Bootstrap.DevServer" Version="9.0.0-dev.86" />
+		<PackageReference Update="Uno.Wasm.Bootstrap" Version="9.0.0-dev.270" />
+		<PackageReference Update="Uno.Wasm.Bootstrap.DevServer" Version="9.0.0-dev.270" />
 		<PackageReference Update="MSTest" Version="3.3.1" />
 		<PackageReference Update="MSTest.TestFramework" Version="3.3.1" />
 		<PackageReference Update="MSTest.TestAdapter" Version="3.3.1" />
diff --git a/src/SamplesApp/SamplesApp.Wasm/SamplesApp.Wasm.csproj b/src/SamplesApp/SamplesApp.Wasm/SamplesApp.Wasm.csproj
index 6cde9d59a42d..d1490ac1a280 100644
--- a/src/SamplesApp/SamplesApp.Wasm/SamplesApp.Wasm.csproj
+++ b/src/SamplesApp/SamplesApp.Wasm/SamplesApp.Wasm.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.WebAssembly">
 	<PropertyGroup>
 		<TargetFrameworks>$(NetWasmPreviousAndCurrent)</TargetFrameworks>
 	</PropertyGroup>
@@ -9,7 +9,7 @@
 	<PropertyGroup>
 		<OutputType>Exe</OutputType>
 		<DefineConstants>$(DefineConstants);__WASM__;HAS_UNO;UNO_REFERENCE_API</DefineConstants>
-		<NoWarn>$(NoWarn);NU1701;CS1998;NU1504;UXAML0002</NoWarn>
+		<NoWarn>$(NoWarn);NU1701;CS1998;NU1504;UXAML0002;NU1903;NU1902;IL2026;IL2072;IL2067;IL2075;IL2070;IL2077;IL2057</NoWarn>
 		<IsUiAutomationMappingEnabled>true</IsUiAutomationMappingEnabled>
 		<UseUnoXamlParser>true</UseUnoXamlParser>
 		<UnoRuntimeIdentifier>WebAssembly</UnoRuntimeIdentifier>
diff --git a/src/SourceGenerators/Uno.UI.Tasks/Content/uno.ui.tasks.assets.targets b/src/SourceGenerators/Uno.UI.Tasks/Content/uno.ui.tasks.assets.targets
index c699b59dd06f..88911ee423e9 100644
--- a/src/SourceGenerators/Uno.UI.Tasks/Content/uno.ui.tasks.assets.targets
+++ b/src/SourceGenerators/Uno.UI.Tasks/Content/uno.ui.tasks.assets.targets
@@ -107,13 +107,21 @@
 		</ItemGroup>
 	</Target>
 
+	<PropertyGroup>
+		<_UnoAddLibraryAssetsBeforeTargets>
+			$(_UnoAddLibraryAssetsBeforeTargets);
+			GetCopyToOutputDirectoryItems;
+			GenerateUnoWasmAssets;
+		</_UnoAddLibraryAssetsBeforeTargets>
+	</PropertyGroup>
+
 	<!--
 	Populate output groups when building heads
 	-->
 	<Target Name="_UnoAddLibraryAssets"
 			Condition="'$(IsUnoHead)'=='true' or '$(AndroidApplication)'=='true' or '$(ProjectTypeGuids)'!=''"
 			DependsOnTargets="_UnoFindPackageAssetMarkers"
-			BeforeTargets="GetCopyToOutputDirectoryItems">
+			BeforeTargets="$(_UnoAddLibraryAssetsBeforeTargets)">
 
 		<ExpandPackageAssets_v0 MarkerFiles="@(_UnoPriFiles)">
 			<Output TaskParameter="Assets" ItemName="_UnoAssetsFilesExpanded" />
diff --git a/src/Uno.Sdk/Sdk/Sdk.props b/src/Uno.Sdk/Sdk/Sdk.props
index 6607c72388de..dac3cfdb59ff 100644
--- a/src/Uno.Sdk/Sdk/Sdk.props
+++ b/src/Uno.Sdk/Sdk/Sdk.props
@@ -14,7 +14,14 @@ Copyright (C) Uno Platform Inc. All rights reserved.
 		<!-- Legacy Project System Support -->
 		<_DefaultMicrosoftNETSdk Condition="$(SingleProject) != 'true' AND $(UnoSingleProject) != 'true' AND ($(MSBuildProjectName.EndsWith('.Wasm')) or $(MSBuildProjectName.EndsWith('.WebAssembly')))">Microsoft.NET.Sdk.Web</_DefaultMicrosoftNETSdk>
 
-		<_DefaultMicrosoftNETSdk Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'browserwasm'" >Microsoft.NET.Sdk.Web</_DefaultMicrosoftNETSdk>
+		<_UnoUseMicrosoftNETSdkWebAssembly Condition="
+				$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'browserwasm'
+				AND $([MSBuild]::GetTargetFrameworkVersion('$(TargetFramework)')) &lt; 9.0
+			">true</_UnoUseMicrosoftNETSdkWebAssembly>
+		
+		<_DefaultMicrosoftNETSdk Condition=" '$(_UnoUseMicrosoftNETSdkWebAssembly)' == '' ">Microsoft.NET.Sdk.Web</_DefaultMicrosoftNETSdk>
+		<_DefaultMicrosoftNETSdk Condition=" '$(_UnoUseMicrosoftNETSdkWebAssembly)' == 'true' " >Microsoft.NET.Sdk.WebAssembly</_DefaultMicrosoftNETSdk>
+
 		<_DefaultMicrosoftNETSdk Condition=" $(_DefaultMicrosoftNETSdk) == '' ">Microsoft.NET.Sdk</_DefaultMicrosoftNETSdk>
 
 		<_DefaultWasmOutputType Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'browserwasm'">$(OutputType)</_DefaultWasmOutputType>
@@ -73,7 +80,7 @@ Copyright (C) Uno Platform Inc. All rights reserved.
 		VS to read the global properties and avoid showing a yellow icon being the result of a mismatch 
 		between runs of design-time builds (one build defining a FrameworkReference and another one not).
 	-->
-	<ItemGroup>
+	<ItemGroup Condition=" '$(_UnoUseMicrosoftNETSdkWebAssembly)' == 'false' ">
 		<FrameworkReference Remove="Microsoft.AspNetCore.App" />
 	</ItemGroup>
 </Project>