--- a/eng/SourceBuild.props

+++ b/eng/SourceBuild.props

@@ -69,6 +69,8 @@

     <PropertyGroup>

       <InnerBuildArgs>$(InnerBuildArgs) /p:SourceBuildRuntimeIdentifier=$(TargetRuntimeIdentifier)</InnerBuildArgs>

+      <InnerBuildArgs>$(InnerBuildArgs) /p:CheckEolTargetFramework=false</InnerBuildArgs>

+      <InnerBuildArgs>$(InnerBuildArgs) /p:EnablePreviewFeatures=true</InnerBuildArgs>

     </PropertyGroup>

   </Target>