What features is missing in One UI 4.1 ?

Android 12 is Amazing, bruh!Super smooth and cozy

Today I noticed some change about lockscreen animation like fading on and off lockscreen in my device.

Samsung messages apps and Google message is not received for OTP code for activating RCS.How to solve it?Samsung messages apps : register of chat is not accepting and completely greyed out.Google message : it said keep "setting my number" and "try...