- Specialization icons will no longer disappear if the unit isn't close when changing zones/arena.
- Icons will no longer be reset when chaning zones/leaving arena in certain situations.
- Icons cooldowns will no longer "flash" when being seen/hidden.
- New unit (GUID) ability tracking cache.
- New method to cleanse older unit GUID information.
- Minor performance improvements.
- Simplified and removed a lot of useless default PAB/ATT code.