C# 12 arrived in November with .NET 8, bringing several new features—primary constructors, collection expressions, inline arrays, and more—that make it simpler and easier to write more efficient code.

I'm working on an RSS reader in .NET 2.0. It's a WinForms app. Like most RSS readers, it's got an outlook-style layout with a TreeView control on the left hand side that holds your feed subscriptions ...