Originally Posted by zork
What is triggering the index change?
Does this work if you refresh an aura?
Does this work if you refresh an aura and only have one aura active?
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Well you save the checked values in the UpdateBuff function, or you nil them when the buff fades/expires/not exists.
For some reason by default the aura header template updates every buffs on every attribute chanes unlike the group headers, and thats the real issue here. And the UNIT_AURA event doesn't give any valid information about which buffs you should update, so you are kinda forced to update everything there too.
It works on pretty much any buff changes/refresh because of the index/spellID/expirationTime checker.
Additional checkers can be added too, there are just the basic ones, like unitCaster and isCastByPlayer could be usefull too, if someone cast the same buff on you without expiration time, to the same index.
The good thing about this, it skips any unchanges or static buffs, that you did not changed or refreshed.