I'm not at home yet so i have to trust my friend on this, who told me this but you all can test it out easily yourself so listen to what i have to say about this change.
So from what i heard Avatar's Favor now gives Perp cost +3, that's all good and dandy, i have enough gear to compensate for this mor than enough BUT the Potency reset still seems to be there! That's the entire point why Favor was lackluster in the first place... now we have to pay more mp for a buff that still resets every few seconds to a lower potency unless we stand around doing nothing...
At this Point I just give up... SE got me excited the last time for something that is essentially NOTHING...