when will we see a nerf on irellia?

literally out dose almost every other champ top. she gets free stuns if your both full hp or if u barely have harassed her, free dashes around the map. As olaf, she was able to have more atackspeed than my w gave me when activated with no attackspeed items, she had more lifesteal w/o any lifesteal items, i know her passive abilities give her like 5+ hp on hit, but when its more than 22% lifesteal while having almost 200 ad....something needs to change.....can we please see nerf the like have only been witnessed by fiddles and rammas