.NET Framework Compilers Toolset Package Referencing this package will cause the project to be built using the C# and Visual Basic framework compilers contained in the package, as opposed to the version installed with MSBuild. This package is an implementation detail of a .NET SDK feature. Directly referencing this package is not supported. More details at https://aka.ms/roslyn-packages This package was built from the source at https://github.com/dotnet/roslyn/commit/16f9bd284cd49604ac82998bfe778a8eb16d4347.