diff -r bcacd00ea955 -r 74c688cc1839 make/vs/testapp/testapp.vcxproj
--- a/make/vs/testapp/testapp.vcxproj	Sun Oct 01 18:54:23 2023 +0200
+++ b/make/vs/testapp/testapp.vcxproj	Sun Oct 01 22:34:48 2023 +0200
@@ -156,6 +156,7 @@
     <Import Project="..\packages\Microsoft.Windows.CppWinRT.2.0.230225.1\build\native\Microsoft.Windows.CppWinRT.targets" Condition="Exists('..\packages\Microsoft.Windows.CppWinRT.2.0.230225.1\build\native\Microsoft.Windows.CppWinRT.targets')" />
     <Import Project="..\packages\Microsoft.Windows.SDK.BuildTools.10.0.22621.1\build\Microsoft.Windows.SDK.BuildTools.targets" Condition="Exists('..\packages\Microsoft.Windows.SDK.BuildTools.10.0.22621.1\build\Microsoft.Windows.SDK.BuildTools.targets')" />
     <Import Project="..\packages\Microsoft.WindowsAppSDK.1.3.230331000\build\native\Microsoft.WindowsAppSDK.targets" Condition="Exists('..\packages\Microsoft.WindowsAppSDK.1.3.230331000\build\native\Microsoft.WindowsAppSDK.targets')" />
+    <Import Project="..\packages\Microsoft.Windows.ImplementationLibrary.1.0.230824.2\build\native\Microsoft.Windows.ImplementationLibrary.targets" Condition="Exists('..\packages\Microsoft.Windows.ImplementationLibrary.1.0.230824.2\build\native\Microsoft.Windows.ImplementationLibrary.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
@@ -167,5 +168,6 @@
     <Error Condition="!Exists('..\packages\Microsoft.Windows.SDK.BuildTools.10.0.22621.1\build\Microsoft.Windows.SDK.BuildTools.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Windows.SDK.BuildTools.10.0.22621.1\build\Microsoft.Windows.SDK.BuildTools.targets'))" />
     <Error Condition="!Exists('..\packages\Microsoft.WindowsAppSDK.1.3.230331000\build\native\Microsoft.WindowsAppSDK.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.WindowsAppSDK.1.3.230331000\build\native\Microsoft.WindowsAppSDK.props'))" />
     <Error Condition="!Exists('..\packages\Microsoft.WindowsAppSDK.1.3.230331000\build\native\Microsoft.WindowsAppSDK.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.WindowsAppSDK.1.3.230331000\build\native\Microsoft.WindowsAppSDK.targets'))" />
+    <Error Condition="!Exists('..\packages\Microsoft.Windows.ImplementationLibrary.1.0.230824.2\build\native\Microsoft.Windows.ImplementationLibrary.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Windows.ImplementationLibrary.1.0.230824.2\build\native\Microsoft.Windows.ImplementationLibrary.targets'))" />
   </Target>
 </Project>
\ No newline at end of file