When I try to use the record keyword in my C# WPF .NET Framework file, it is recognised as a keyword, in the sense in appears in the code completion drop-down menu when you start typing, but then does not turn blue or work as it should.

When I try to use the record keyword in my C# WPF .NET Framework file, it is recognised as a keyword, in the sense in appears in the code completion drop-down menu when you start typing, but then does not turn blue or work as it should.