I just got my Watch replaced at the Apple Store for the swelling battery issue on an Apple Watch Series 6 and while most software loads, the watch faces refuse to sync. Restarting the phone and watch fails. I also can’t load a new watch face from the phone. I may have to go back to the Apple Store and see if there is anything I can try. But of course I’d need to wait until the OS is released publicly. The face gallery has been acting up regardless.
WatchOS 9db6 fails to sync watch faces
Also, when creating a face on the watch itself, that doesn’t get updated on the phone so the issue goes both ways