Sadly I've lost confidence that Google will ever fix this properly. And
even if they do fix it, I can't assume they won't break it again
later.So I switched a few months ago to an open-source solution using
Snapcast, Spotify Connect, Home Assistant, ...
What you described sounds just like the known problem that Google
acknowledged in the "recommended answer" above in this thread.Basically,
whenever we cast to a speaker group, one of the speakers in that group
is designated internally as a "leader". ...
Huge thanks for the update. Just to confirm: can you share how long this
bug has been around? I've been having problems with speaker groups for
more than a year now. How can we tell whether our problem is related to
this new bug?
Amazingly, it looks like Google has finally fixed this issue! I can set
the auto-brightness offset now to any value on the slider. Wish they
acted sooner, but better late than never.