Evelynn I don't think needs a rework. Just a visual rework on icons and models maybe, and a new skin. I saw that they have her in the lineup to be redone and I highly disagree. Her kit is just fine the way it is. Not OP not underpowered. If it ain't broke don't fix it!
It's not so much that the kit isn't OP or UP it's more of the fact that she doesn't fit the roll of the champ riot intended. One day way back when evelynn was play full AP mid and sometimes jungle. Now she pretty much only jungles and can be built AD, AP, Tank, or anything really. And I think she belongs as a hybrid assassin, but shes more of a ap or ad bruiser. All in all, her kit is kind of old and somewhat messy and doesn't really have a straight forward way to play her.
She's not on any update schedule yet, so I'm not sure where you saw it.
However, Meddler has been saying she needs a VGU level of work done, and has been a bit vocal about over the past few months. Evelynn has a functional kit, but then so did Poppy, Sion, Ryze, and Yorick. The problem is her kit is stale and doesn't at all support her fantasy or her intended role playstyle. Evelynn is supposed to be an assassin - they show up, murder people, and then escape. This means they need a way to get in, burst damage, and a way out. Evelynn has some of those things, but her biggest issue is that she can NEVER be allowed to have actual burst because of how overly powerful her permanent stealth is. We all know how brutal stealth is on Rengar, Vayne, and Twitch, and theirs is only momentary. Giving Evelynn any kind of burst would make her utterly oppressive, and this is why she's highly considered for a rework. Her Stealth has too much of her kit's power, and it has to be removed or exceedingly situational in order for her to do what assassins do. Because of this fear, her kit is designed like a melee skirmisher, with the sustained DPS in Q and the really bizarre ultimate that makes her tanky and removes %REMAINING HP, something that doesn't fit on a character who's supposed to be removing HP. She also builds weirdly tanky in some common versions of her builds when she's played, and again, this detracts from her fantasy because it doesn't make sense due to her being nearly naked. (This, personally, is something I also consider in need of an overhaul because I find it tasteless). So Evelynn has a lot of issues, and she's been dumpstered for quite a long time because of them.
her kit is pretty dated at this point, and could definitely use updating.
Where'd you see that? So far the only one I've seen confirmed is Talon.
Reav state it is highly likely we will see a VGU next year (2017). As for why It basically due to thematic issues along with wanting to change stealth mechanics across the board.
In the end Riot wants to solidify her foundation as 1 cohesive character from story, visual and game play. Again with the idea on changing the direction of the stealth mechanic, game play will be an inevitable update as well.
