With beta1 and beta2, my phone's been freezing, then reboots automagically 20+ times a day ... it's very random and will do it if I'm doing something on the phone, or if it's been sitting idle on a table by itself.
It seems it's gotten worse with beta2
Thank you for your feedback. If you haven’t already, Please update Samsung members app to latest version from galaxy store and send us an error report immediately after experiencing the issue from the Samsung member’s app -> Beta Feedback -> Error Reports to help us debug the issue. We apologize for the inconvenience and appreciate your contribution to the beta program.
One UI Beta Team