Since updating, my phone fails to connect to my galaxy watch.
I've restarted my watch and phone, it manages to connect then but only briefly, seconds if that, then fails to reconnect.
Solved! Go to Solution.
One thing I discovered while having this problem was that the Galaxy Wearable app in the battery optimization menu in settings was turned on. This kept causing the phone to keep "optimizing" and saving battery thus hibernating the app and disconnecting the watch.
Just turn it off and the issue will probably be resolved.
I wish I had seen your reply ages ago. I figured this out eventually but not before sending the watch back uninstalling reinstalling both the phone and the watch. the only think that worked was the battery optimisation and now it is just fine.