Bill Wagner of the C# 9 Documentation team at Microsoft talks about changes and improvements to the Microsoft documentation as well as key features in C# 9
What’s new in C# 9: https://docs.microsoft.com/dotnet/csharp/whats-new/
Explore Record types: https://docs.microsoft.com/dotnet/csharp/whats-new/tutorials/records
Records reference: https://docs.microsoft.com/dotnet/csharp/language-reference/builtin-types/record
Explore Pattern matching: https://docs.microsoft.com/dotnet/csharp/whats-new/tutorials/patterns-objects
Pattern matching tutorial: https://docs.microsoft.com/dotnet/csharp/tutorials/pattern-matching
Patterns reference: https://docs.microsoft.com/dotnet/csharp/language-reference/operators/patterns
