About a week ago, I deleted one of my simpler speaker groups (it only
had two speakers) and then made a new one with the same speakers.
Miraculously I was able to control that group and then all the other
groups started working again thereafter. I ha...
Also reporting this same problem. Oddly, my automations with music still
play on the specified groups. Please work on this, Google! This is a
major function of many people's systems!