We’re excited to release .NET 5.0 today and for you to start using it. It’s a major release — including C# 9 and F# 5 — with a broad set of new features and compelling improvements.
https://devblogs.microsoft.com/dotnet/announcing-net-5-0/
origin - https://www.pipiscrew.com/2020/11/announcing-net-5-0/ announcing-net-5-0