Some Oneplus hals dead so little bit laggy sometime. (will fix in next update) or goto developer settings turn off windows lever blur and set animations to (0.5x,0.5x,1x) and turn on dark mode.
Face unlock (need color os ceo face lel normal fixes not working here)
Double tap to wake and Raise to wake ( Will fix in Next update)
Lock screen security ...6 digits, numerical (use 4digit or pattern)
Power menu not working when long press power button (Fix 1: Double press power button quickly and hold it , Fix 2: Use any third party shutdown menu app) Will fixed this issue in next update.