I have been in a few parties today and noticed that some battles I could heal everyone in the party and then other battles I could only heal targeted players. The last party I was in was only me and another player and I noticed that it seemed to switch from him/her being able to heal everyone in the party to myself being able to heal everyone.
I had set my casts to area before the first battle and never unset it. It stayed on area for the duration of the party.
Is it a glitch that it switches back and forth or is that how it was intended?