When consuming a netstandard2.0 library that uses System.Reflection.Context in a .NETFramework project, you'll see warnings from ResolveAssemblyReferences. C:\Program ...
$ cd BotFramework-DirectLine-DotNet/samples/core-DirectLine/DirectLineClient $ dotnet build DirectLineSampleClient.csproj Microsoft (R) Build Engine version 17.2.0 ...