Please revert the Sona nerfs.
As insignificant as they may seem when you look at it on paper; it's actually pretty noticeable.
Hymn of Valor (Q) aura on hit magic damage AP ratio lowered to .2 from .25 Aria of Perseverance (W) healing now [increased by .5% per 1% missing HP] from [1% per 1% missing HP]. Aria of Perseverance (W) base heal increased to 30/50/70/90/110 from 25/45/65/85/105
Now I don't really care about the Q ratio being lowered yet again, but the W nerfs are going to hurt both her early and mid game. I played a match on the pbe and went Sona support with Vayne adc, versus a Kalista+Galio bot lane. They made mistakes and we easily killed them. I saved enough gold and when I backed got a needlessly large rod. Even with 80+ ap in just the first few minutes of the match my heals felt much much weaker. Even when Vayne was low it was hardly noticeable. Now I understand she shouldn't have Soraka levels of sustain, since Soraka has to use her own health to sustain her allies, but these changes are really going to affect Sona, most likely outside of lane.
Wasn't the point of Sona's rework to make her abilities more noticeable but with the cooldown tradeoffs? 1% per 1% missing hp was cut by half; clutch heals are going to be harder and a base heal increase of 5 isn't going to make up for that. I would honestly prefer nerfing the base heal in order to keep the current %health ratio.