First DLC Pack for Dragon Ball Xenoverse 2 has been announced for December 20th, but free DLC contains SSGSS Kaioken Goku and Hit new form is available today. You can check new awakening skills used by both of them in the video below.
Goku's new awakening skill is Super Saiyan Blue Kaioken and it can be used when SSGSS Goku has five blocks of KI. Hit has 3 new special attacks and awoken skill - Pure Progress. You need 5 bar of KI to use it. The awoken skill can only be used twice.