Universal Control not working at all!!

i updated my iPad Pro 2018 to the latest 15.4 beta 2 and my M1 Macbook pro to 12.3 beta 2 but still i can’t get univesal control to work on my devices

  • both of them have the same icloud account
  • wifi and bluetooth enabled on both
  • both are on the same wifi network
  • handoff enabled on both
  • univesal control setting (allow mouse ….) enabled on both

i really need it, please help