Here are some. I’m not saying these are all completely useless, but all of them should have taken a back seat to sum types. - https://learn.microsoft.com/en-us

Here are some. I’m not saying these are all completely useless, but all of them should have taken a back seat to sum types. - https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-12#default-lambda-parameters https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/cs... - https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-12#interceptors https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/cs... - https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-13#ref-and-unsafe-in-iterators-and-async-methods https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/cs... - https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-14#simple-lambda-parameters-with-modifiers https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/cs... - https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-12#ref-readonly-parameters https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/cs...