Since I hear Blizzard are looking to give classes more unique abilities again, and potentially undoing some of the ability pruning they did for Legion, this is a great opportunity to voice my want for having Starfall back, the way it was before Legion.
This is the single most disliked class change to me in the game; I loved the 3 charge, rain down stars on everything in 40 yards Starfall! Turning it into yet another targeted circle AoE is incredibly boring. If you still want the gameplay of choosing single-target (Starsurge) or multi (Starfall) for spending your AP, just turn that into Hurricane, which was removed anyway, and give us proper Starfall back.