Yeah, Rainbow Rose looks like she still has her RG bonuses as does Dogwood (Yukata). It looks like the rainbow medal 6* Knights didn't get touched either so, for example, Diamond Frost still has a lot of attack bonuses along with first round 1.65x skill proc. Acacia is interesting now; her original form is REALLY good for debuff/defensive squads since it includes -50% attack power and -70% crit rate for pests as abilities while her New Year's form has big damage bonuses that only apply to her (+130% attack vs. bosses, +130% attack in general, +160% damage dealt to bosses) + 1.28x to 1.36x skill proc based on her skill's level.