Resolve 20 Split screen

Hello,
I am using Resolve 20 beta 1 on mac studio m1 Max, when i use split screen and choose the current group or any option in drop down menu, nothing happens and resolve color page freezes and nothing works anymore i need to restart anytime.
regards
I am using Resolve 20 beta 1 on mac studio m1 Max, when i use split screen and choose the current group or any option in drop down menu, nothing happens and resolve color page freezes and nothing works anymore i need to restart anytime.
regards