Since the last android update the s23 series has been having a WiFi disconnection problem I have seen this issue is widespread my own s23ultra is affected with this problem is Samsung Working on a fix for this Problem
Yes I still have the same problem on my s23 Ultra, I had to replace my TV recently and was contemplating getting a s90 QDOLED but decided to get an LG C3 instead because I can't trust home wifi with Samsung