Roon has stopped working on my Synology server after an update to DSM 7. Apparently Roon software is incompatible with this update. The update cannot be rolled back. As I only use the server for music playback this is a very bad thing.

Synology DSM update

BlackJack October 1, 2021, 1:54am 2

So you were unable to find the thread about DSM7 where the issue and solutions are being discussed. Here it comes: