So, Soraka is losing her "spidey sense"
I just realized there is a hidden gameplay nerf incoming for her rework. Q is now a skill shot of some kind that's not a hidden nerf since they are being explicit about it. However there is a part of the Q functionality that is going away: her danger sense.
As it stands now, if there's an enemy hidden in an unwarded bush, or a certain smug little monster
hiding in the lane, Soraka's Q goes from passive and unusable to active. While this isn't a huge issue, if you are paying attention to the state of Q as it stands and if there is an obvious lack presence of nearby enemies, you'd at least have a chance to react before they pounced. Or revealed the teemo. So basically Teemo is now losing one of the few soft counters.
Now, why is this bad for Soraka? Well unless she's getting a kiting tool, she's still this immobile sloth who now can't self heal either. In League of Gapclosers that isn't a good thing. Especially when everyone else is on boots 2 and you are still on basic boots. That early warning system helps keep her from dying and gives her a half second to react.
Now you could burn a flash if you have to, and you didn't use it already, but she's still slow and someone on the other team will still have a flash as well. And a gap closer. And soraka won't have a self-heal ability after the rework.
Is this a huge hidden nerf? Not really. But it does make the game just a little more unsafe for her? Yes and that may or may not be fair since we can't see the whole rework yet.
Does a champ with a 43% win rate, a discouragement to build life after the rework, and no escape need that little bit of extra safety measure? You tell me.