I feel like I played a fundamentally different game than you and others saying similar things. I don't know how you could come to the conclusion that neither Urianger nor Y'shtola have had any development at all since ARR while having actually watched all of the story. Genuinely. Not liking it or not caring about it is one thing, but saying there was absolutely nothing is disingenuous at best.
Like I wouldn't even mind a new cast, I definitely would like to see things get changed up a bit, but this is a take I just flat out can't wrap my head around.