Right, that's what I was referencing by the edit about old news. I haven't played her in a long time but the patch notes mentioned that the behavior was showing up in live due to engine changes.Just to note, she already had the ability to wall hop, it was just harder to use reliably.
I'm cautiously accepting of Shen and TF snare changes as long as Riot doesn't make snares interrupt Kat ult in the future. >:|