diff --git a/build/test-scripts/run-net7-template-linux.ps1 b/build/test-scripts/run-net7-template-linux.ps1
index 4d92516b0629..7f85d0fe3e53 100644
--- a/build/test-scripts/run-net7-template-linux.ps1
+++ b/build/test-scripts/run-net7-template-linux.ps1
@@ -78,7 +78,10 @@ $projects =
     @(1, "5.2/uno52AppWithLib/uno52AppWithLib/uno52AppWithLib.csproj", @(), @()),
 
     # 5.3 Blank with net9
-    @(2, "5.3/uno53net9blank/uno53net9blank/uno53net9blank.csproj", @(), @())
+    @(2, "5.3/uno53net9blank/uno53net9blank/uno53net9blank.csproj", @(), @()),
+
+    # 5.3 lib
+    @(2, "5.3/uno53net9Lib/uno53net9Lib.csproj", @(), @())
 
     # 5.3 blank publish testing
     # Disabled for LXD setup issues
diff --git a/build/test-scripts/run-netcore-mobile-template-tests.ps1 b/build/test-scripts/run-netcore-mobile-template-tests.ps1
index f5321ab109e4..0a66bbdc2004 100644
--- a/build/test-scripts/run-netcore-mobile-template-tests.ps1
+++ b/build/test-scripts/run-netcore-mobile-template-tests.ps1
@@ -338,6 +338,9 @@ $projects =
     @(3, "5.3/uno53net9blank/uno53net9blank/uno53net9blank.csproj", @("-f", "net9.0-desktop"), @("macOS", "NetCore")),
     @(3, "5.3/uno53net9blank/uno53net9blank/uno53net9blank.csproj", @("-f", "net9.0-desktop", $sdkFeatures), @("macOS", "NetCore")),
 
+    # 5.3 Library
+    @(3, "5.3/uno53net9Lib/uno53net9Lib.csproj", @(), @("macOS", "NetCore")),
+
     # Default mode for the template is WindowsAppSDKSelfContained=true, which requires specifying a target platform.
     @(4, "5.2/uno52AppWithLib/uno52AppWithLib/uno52AppWithLib.csproj", @("-p:Platform=x86" , "-p:TargetFramework=net8.0-windows10.0.19041"), @()),
 
diff --git a/src/SolutionTemplate/5.3/uno53net9Lib/Class1.cs b/src/SolutionTemplate/5.3/uno53net9Lib/Class1.cs
new file mode 100644
index 000000000000..7066a6320a7d
--- /dev/null
+++ b/src/SolutionTemplate/5.3/uno53net9Lib/Class1.cs
@@ -0,0 +1,6 @@
+namespace uno52Lib;
+
+public class Class1
+{
+}
+
diff --git a/src/SolutionTemplate/5.3/uno53net9Lib/global.json b/src/SolutionTemplate/5.3/uno53net9Lib/global.json
new file mode 100644
index 000000000000..df83353d73bc
--- /dev/null
+++ b/src/SolutionTemplate/5.3/uno53net9Lib/global.json
@@ -0,0 +1,8 @@
+{
+  "sdk": {
+    "allowPrerelease": true
+  },
+  "msbuild-sdks": {
+    "Uno.Sdk.Private": "5.2.0-dev.2002"
+  }
+}
diff --git a/src/SolutionTemplate/5.3/uno53net9Lib/uno53net9Lib.csproj b/src/SolutionTemplate/5.3/uno53net9Lib/uno53net9Lib.csproj
new file mode 100644
index 000000000000..1677aeb2ef9b
--- /dev/null
+++ b/src/SolutionTemplate/5.3/uno53net9Lib/uno53net9Lib.csproj
@@ -0,0 +1,41 @@
+<Project Sdk="Uno.Sdk.Private">
+	<PropertyGroup>
+		<TargetFrameworks>net9.0;net9.0-ios;net9.0-maccatalyst;net9.0-windows10.0.19041;net9.0-browserwasm;net9.0-desktop</TargetFrameworks>
+
+		<!-- Disabled for https://github.com/unoplatform/uno.check/issues/241 -->
+		<TargetFrameworks Condition="!$([MSBuild]::IsOSPlatform('linux'))">$(TargetFrameworks);net9.0-android</TargetFrameworks>
+
+		<!-- Disable android on msbuild .NET Framework until android 35 is supported -->
+		<TargetFrameworks Condition="'$(MSBuildRuntimeType)' == 'Full'">$(TargetFrameworks.Replace('net9.0-android',''))</TargetFrameworks>
+		<TargetFrameworks Condition="'$(MSBuildRuntimeType)' == 'Full'">$(TargetFrameworks.Replace('net9.0-ios',''))</TargetFrameworks>
+		<TargetFrameworks Condition="'$(MSBuildRuntimeType)' == 'Full'">$(TargetFrameworks.Replace('net9.0-maccatalyst',''))</TargetFrameworks>
+
+		<!-- Ensures the .xr.xml files are generated in a proper layout folder -->
+		<GenerateLibraryLayout>true</GenerateLibraryLayout>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
+		<UnoSdkDebugging>true</UnoSdkDebugging>
+		<OutputType>Library</OutputType>
+		<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+	</PropertyGroup>
+
+	<ItemGroup Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">
+		<!--
+		If you encounter this error message:
+
+			error NETSDK1148: A referenced assembly was compiled using a newer version of Microsoft.Windows.SDK.NET.dll.
+			Please update to a newer .NET SDK in order to reference this assembly.
+
+		This means that the two packages below must be aligned with the "build" version number of
+		the "Microsoft.Windows.SDK.BuildTools" package above, and the "revision" version number
+		must be the highest found in https://www.nuget.org/packages/Microsoft.Windows.SDK.NET.Ref.
+		-->
+		<!-- <FrameworkReference Update="Microsoft.Windows.SDK.NET.Ref" RuntimeFrameworkVersion="10.0.22621.28" />
+		<FrameworkReference Update="Microsoft.Windows.SDK.NET.Ref" TargetingPackVersion="10.0.22621.28" /> -->
+	</ItemGroup>
+	<Target Name="ValidateIsPackable"
+			AfterTargets="CoreCompile;Build">
+		<Error Text="Expected IsPackable='false', however it actually equals '$(IsPackable)'."
+			Condition="$(IsPackable) == 'true'" />
+	</Target>
+</Project>
diff --git a/src/Uno.Sdk/targets/Uno.Common.Wasm.targets b/src/Uno.Sdk/targets/Uno.Common.Wasm.targets
index cda84acaf8b0..08f034bc31b5 100644
--- a/src/Uno.Sdk/targets/Uno.Common.Wasm.targets
+++ b/src/Uno.Sdk/targets/Uno.Common.Wasm.targets
@@ -18,6 +18,9 @@
 		<!-- Disable assets generation for libraries -->
 		<StaticWebAssetsEnabled Condition=" $(OutputType) != 'Exe' ">false</StaticWebAssetsEnabled>
 
+		<!-- Workaround for https://github.com/dotnet/runtime/pull/109866 -->
+		<IsBrowserWasmProject Condition=" $(OutputType) != 'Exe' ">false</IsBrowserWasmProject>
+
 		<IsMSALSupported>true</IsMSALSupported>
 
 		<!-- net9.0 validation of CA1418 is case sensitive -->