Couldn't understand update notification

[JohnAshu]

I got notification for one Ui 4 update and s21 date was 21 Dec while they got update today itself that means s20 series will get update before January?? 

[Itsdebby]

Yes those dates are tenative you may receive early.

[ajith1405]

Yes I just got it. Downloading it

[Aashish]

Maybe.

[SrajTech]

They gave it early last year also