There's a new league? Or do you mean once they release act4 new leagues?
It's the same as usual though, summoner or totems tend to be the best for first chars since you can MF with garbage gear and still clear shit. Spell based builds work well too for mostly clearing, generally can't afford to MF much/at all with them though.
Summoner looks a bit stronger due to better spectres in act4(at least for damage, not sure they'll beat the act3 bubble guys due to their defensive nature), bloodlust and minion damage support massively inflating damage AGAIN and jewels having potentially more minion stats than there is usually on the tree, especially shit like minion speed/attackspeed.
Totem builds look a lot stronger because they massively buffed totem health across the board. Flametotem looks kinda weaker but shockwave especially with the OP unique look imba and spell totem is a lot less shit now so you can use as usual a bunch of various stuff.
For spells, not sure what was nerfed, I think Arc wasn't, Ball Lightning probably wasn't, Trap builds should still work fine/might work better, Glacial Cascade still looks strong, Fire might have changes that make one of the spell good but flameblast was nerfed again I think+prolif nerf so that one's probably pretty crappy now.
Oh and Tornado shot is still the same/might be better if you want an archer. RoA might be good too now not sure about the changes. Poison Arrow is probably very good too with all the chaos changes, it was already ok if you used Traps but now you don't have to use traps to get similar multiplicative damage via other supports(I forgot which though but I remember it happened, I wanna say Bloodlust but not 100% sure, could be Slower Projectiles or something like that).
