"We decided to give opponents more time to counter Zoe, so Q -> 7.5/7/6.75/6.5/6.25 ⇒ 8.5/8/7.5/7/6"
Meanwhile, go fuck yourself 
Q - Arctic Assault 13/12.5/12/11.5/11 seconds ⇒ 17/15.5/14/12.5/11 seconds
Meanwhile, go fuck yourself 
Q - Arctic Assault 13/12.5/12/11.5/11 seconds ⇒ 17/15.5/14/12.5/11 seconds
Lol...
both are busted
https://lolalytics.com/ranked/worldwide/platinum/plus/champion/Zoe/
And yet, that tiny nerf seems to make Zoe lose about 1% of winrate. Of course it is early in the patch, so if that's still true in 2-3 days is something one needs to look up in 2-3 days.