Great to see someone else posting similar concerns to those of mine. I’ve spent months trying to figure out what the heck Roon actually needs to run 100% seamless all the time… but still only like 99.9% there.
As of now, my assumption is that due to reasons unknown, it requires a combination of very robust network connectivity AND fully-dedicated core device with pretty much no other processes running in the background. If one or another is not in place, the user experience suffers.