.net framework c# language version July 8, 2019 16 32 64 128 .net framework 4.8 c# language version .net framework 4.5 c# language version .net framework 4.7.2 c# language version .net framework 4.8 c# language version 8 .net framework 4.6.2 c# language version .net framework 4.8.1 c# language version .net language .net programming language .net frameworks