gem level from corruption not working

arc 20= 107506 dps mana cost 770

arc 21= 107506 dps mana cost 770


so if is not changing the mana cost neither the dps i guess is not working

and i just want to add a feedback that right now u need pay a lot to 6 link a gem before corrupt it and i think will be better if u link a character gem slot instead of the gem itself
sad the post disappear so fast and very few people will have a lv 21 gem so i guess none will see

looks like all gems 21 are bugged https://www.reddit.com/r/PathOfExile2/comments/1hdvczc/archmage_level_21_is_bugged/

This has been posted multiple times. Looks like both +1 and -1 from corruption aren't working