I put this in the wrong forum at first! I win!
I want to say up front that I think Cata is fun, and that my friend group has been enjoying it. Things feel fair and doable.
That said, since WoM release, maps—Cata maps, particularly—suffer from very large frame drops. Halescourge is still extremely stuttery in landslide areas (see this video), and even off Halescourge and Beastmen areas, framedrop is still a problem (had some in Nest last night, and that’s a completely Skaven area).
I’m on a release version PS4.