roslyn publish update mechanism

[heartacker]

hi, can you tell the roslyn publish update mechanism

I use dotnet build while develop c# app

and how Can I use the edge version roslyn（include preversion）

1. update roslyn only？ and how?
2. update NET SDK?
3. update VS?
4. update vscode C# ext?
5. other way?

[KalleOlaviNiemitalo]

Maybe Microsoft.Net.Compilers.Toolset helps; and there's a newer prerelease of that available in the "Compiler" feed linked from NuGet Feeds.