"This patch made yasuo OP! Nerf him rito!" .... meanwhile ...
Rank 1 win rate:
Doing everything Yasuo does, but better, while actually having a proper defence and not dying in team fights :)
Rank 2 and Rank 5:
&
counter Yasuo easy mode.
Yeah, Yasuo got a lot stronger this patch, but he is not to blame, the new masteries and items are. If Yasuo was to blame, Tryndamare wouldn't shoot up this much in winrate.
Fix/Nerf the masteries/items, not the champions.
in there considering all the AP nerfs.