For the 2v2 Arena bracket

        For the 2v2 Arena bracket, Dampening is now applied to the match starting at the 5 minute mark (down from 10 minutes).

d3 items

        For 3v3 and 5v5 Arena brackets, there is no change. Dampening will continue to be applied at the 10 minute mark.
    Alterac Valley
        The following NPCs now have more health and deal more damage.
            Alliance: Vanndar Stormpike, Balinda Stonehearth, Stormpike Defenders, Stormpike Bowman, and all Marshals.
            Horde: Captain Galvangar,

wow items

 Drek'thar, Frostwolf Guardian, Frostwolf Bowman, and all Warmasters.
        The following NPCs are now immune to disarm, daze, and Death Grip.
            Alliance: Vanndar Stormpike, Balinda Stonehearth
            Horde: Captain Galvangar, Drek'thar