DotnetEx Set of polyfills for old .NET Framework. Installation This library can be installed through NuGet: mscorlib.Polyfill.NET35 mscorlib.Polyfill.NET40 Polyfill.System.Buffers.NET35 Polyfill.System.Buffers.NET40 Polyfill.System.Runtime.InteropServices.RuntimeInformation.NET35 Polyfill.System.Runtime.InteropServices.RuntimeInformation.NET40 License MIT License