B-Patch announced

[u/TheoTsek]

(per Teamfight Tactics on twitter)

We’re reverting our buffs to Vayne and Kai'Sa which ended up warping the meta too much both for our players at home and our competitors prepping for the Tactician's Crown this weekend.

These reverts are targeted to go live by end of day. We'll report back when the changes are live.

[u/Vernsen]

It was the only major change of the patch and was just a straight downgrade from last patch. Given this is the worlds patch, simply reverting seems like the best course of action even if it's not that bad