Just updated to Oreo 8.0 beta on T-Mobile on S8+ and after a couple hiccups (no notifications, disconnected from phone and needed a reboot and to open the Gear Manager app and force a reconnect) everything seems to be working fine with the newest update.
Sent from my SM-G955U1 using Tapatalk
Sent from my SM-G955U1 using Tapatalk