It's working perfectly fine , and infact much better than One UI 5.1 , initial impressions are good

The device launched this year and that means its in warranty, go ahead and update , so far m54 is not facing any issues , which is the same model as f54

The update is out , have a check

Samsung usually follows a 7-8days of release schedule after the global software release , m54 got update on December 14 , so in that sense update for f54 should be out by 20/21 or may be before. This is just an assumption based on their last 2 years ...