Seems to be damage up in a different part of the damage formula than character/element attack up.

Other noteworthy news:

Soul awakening
Current ragnarok prison raids changed to ultimate and new ragnaroks added. These drop materials to unlock accessory slots, and weapons with a new skill.
New stamps? Is that noteworthy? Whatever, it's there.
Daily mission changed from 3 gacha pulls to 1. F'yea!
Battle sprite changes for several souls and KH