netstandard16
netstandard16 is a specific version of .NET Standard, a formal specification of .NET APIs that are intended to be available on all .NET implementations. It represents a set of assemblies that were part of the .NET Framework 4.6.1 and the .NET Core 1.0 release.
By targeting netstandard16, developers could create libraries that were compatible with both .NET Framework and .NET
The APIs included in netstandard16 were a subset designed to bridge the gap between older .NET Framework
As the .NET ecosystem has evolved with .NET Core 2.0 and later versions, and eventually the unification