What are the correct version numbers for C#?

Question

What are the correct version numbers for C#? What came out when? Why can\'t I find any answers about C# 3.5?

This question is primarily to

Answer 1

C# 8.0 is the latest version of c#.it is supported only on .NET Core 3.x and newer versions. Many of the newest features require library and runtime features introduced in .NET Core 3.x

The following table lists the target framework with version and their default C# version.

Source - C# language versioning