Forever changes
Aimed Shot baseline (shares CD with Multi-Shot); traps usable in combat; abilities no longer clip Auto Shot; Aspect of the Beast (melee AP); Lone Wolf; Summon Hawk (BM); Sniper Shot capstone (MM); Survival redesigned as melee (Strider Kick, Expose Prey, Lacerating Strikes, stronger Mongoose Bite); pets scale with player stats. Human Hunter new.
Confidence note
Reported (single credible outlet, BlizzCon demo build; subject to beta change)