Last I checked, SignalR haven’t had a release in years, so I wouldn’t go there looking for news.
It is alive an under active development on .NET Core
https://github.com/aspnet/SignalR
https://github.com/aspnet/SignalR/search?q=pipelines&unscope...
Last I checked, SignalR haven’t had a release in years, so I wouldn’t go there looking for news.