HtmlProvider works so I think I applied the workaround from this link correctly: dotnet/fsharp#3303 (comment).
WsdlService does not build. I guess that means the WsdlService source code needs to be updated?
error FS2024: Static linking may not be used on an assembly referencing mscorlib (e.g. a .NET Framework assembly) when generating an assembly that references System.Runtime (e.g. a .NET Core or Portable assembly). [C:\git\personal\tp-apps\tpapp-wsdl\tpapp-wsdl.fsproj]
