Group Volume control

[Suedkiez (Just a fellow user like you)]

I’m not a zone user but according to this (although it’s a year old) it seems that group volume control with the hardware buttons is not possible at all (note the response by Roon to this):

Changing volume of a group only changes the first speaker volume

I have a group of two RAAT speakers which I am changing the volume of using my phone volume up/down. The issue is that only the first speaker’s volume changes. I think it is not reasonable to do this while it would be reasonable to change the volume of all grouped speakers.