Christian

What is the purpose of the new event? To me it looks like a copy of the already existing "Disconnected" event but it is fired before doing the actual disconnect!?...

Thank you for your explanation. In my opinion there should be no new event at all because you have to change to do anything to avoid disconnecting etc. We might...

@fazho Do we still need this feature? Am I wrong or is the pull request #1974 the solution for this?

I attached a branch to this ticket. Please check it out and let me know if it now works as you expected.

This would require a QUIC implementation for C# first. I saw some projects but they are sometimes only prototypes or do not support encryption etc. If there is a suitable...

Thanks for the update. I will have a look.

Does anyone know a public broker which supports QUIC so that we can test the implementation easily?

Please share the code here. I will not download any ZIP files on my machine. Also please check how you handle incoming messages? Are they handled in a separate thread/task?

The argument check is indeed wrong. I will remove it so that it will support _null_ again as it was originally intended. I tested with _mqttMultimeter_ and I can connect...

I will add the breaking change to the release notes. Breaking changes are happening from time to time and cannot be avoided. In this case we still get an exception....