“ I'll say that our goal is to keep up to date with modern .NET. Once we can get Unity synced up, we will continue to push the latest .NET features to Unity. So we want to bring all of these features discussed to Unity developers, and find the best ones to use in the Unity API.” (1)
Ie. no. It’s not done. No one knows when it’ll be done.
If you’re really keen, just read that whole thread and you’ll get a really good understanding of how great things are, how happy with the c# support everyone is.
Tldr: netstandard 2.0 != .net 7 and nuget support.
