Even the S25 didnt get the stable 8.5 . For s22 series , the update will be released after 8th may. Global rollout of stable 8.5 starts on 8th may , first for s25 series and other devices on the days after that. Please press the 3 dots and mention so...

Already released in korea as of today. India will get by 11 of this month for s25 series...and other devices in the upcoming days after that

It will be released just after 4th May.

Korea didn't get any stable update yet for s25 ultra