GitHub Issues:
- C# language
- VB language
- C# cross cutting VB
- Roslyn discussions on the Rosyln compiler (only)
- CoreFX This includes things like System.Collections, System.IO for .NET Core (.NET Core 2.0)
- CoreCLR This covers RyuJIT, GC and mscorlib for .NET Core (.NET Core 2.0)
- ASP.NET Core This is for ASP.NET Core (.NET Core 2.0)
- ASP.NET 4.7 – unknown
Historical places not for current discussion:
Roslyn C# Language Design forumRoslyn discussions on C# 6.0, C# 7.0 and beyond
There is also the Visual Studio Uservoice for requests pertaining to Visual Studio specifically