We have a hang in QuicListener.Dispose() and are currently working around it by just not disposing of the session. https://github.com/dotnet/runtime/blob/5c6f5b14f0688b20ef339773854ff92e01807cde/src/libraries/System.Net.Quic/src/System/Net/Quic/Implementations/MsQuic/MsQuicListener.cs#L113-L115