All Roon Ready devices vanish, Sonos and AirPlay remain

[Placebophile (Jeff)]

I experience this as well. But my Roon Ready devices aren’t Sonos.

Here’s my thread about it.

Roon regularly hangs. Requires restart

Hi @Placebophile, Thank you for your patience as we looked into this case. Available diagnostics, combined with a quick review of some other post history concerning Qobuz connectivity, point to a connectivity issue between your own RoonServer machine and Qobuz’s servers. The developers would like to investigate why network reachability events might cause a recoverable hang - the symptoms differ from any known issue - so we’re hoping you can provide the following at your convenience: An appro…

I suspect it’s related to issues discussed here:

Roon search extremely slow - how to fix it? BUILD 1353

That is absolutely the case, but the reasons can vary. From improperly tagged artist and album title to differences in track number or duration, inconsistencies in disc numbers… You have to decide whether you want to invest a fair amount of time into manually trying to identify albums. In my case it was pretty successful as I managed to identify more than 90% of formerly unidentified albums of my core collection (the boxsets and alike I had sent to be exiled).