I've been happy enough with my first Berryaudio player that I have converted another Raspberry/DAC to try out the multiroom. I've figure out how to start the 'server' on one player, and 'join the room' from the second. What sources can feed the multiroom server?
Library? Radio? Spotify?

[backstory ...

The Spotify app on my IOS 18 phone (with a 'premium' Spotify account) will let me change the quality of the stream. When I use 'Spotify Connect' to play the stream through Berryaudio those settings disappear, and are replaced with a screen telling me the quality setting is 'Automatic'.

When I ...

I've just installed berryaudio on a Pi3 to see what it can do. I'm favorably impressed!

The Airplay, however, is behaving strangely. My IOS 18 phone thinks it is playing through the berryaudio 'speaker', and the blips in the DSP make it look like it is playing audio, but no sound is being played. I ...