They have pushed firmware to disable any multi speaker action or
activity including groups.it won’t even let you direct to play from one
speaker to output on another…they are all dumb individual devices now.
Here’s
why..https://www.theverge.com/22955...
Here’s why.. it’s nothing at your end…Goggle has pushed firmware to
disable it.
https://www.theverge.com/22955336/sonos-google-lawsuit-ceo-patrick-spence-interview