A few more to add to my list:
- Better legacy raid skips
- Transmog restriction loosening (allow all appearances to be collected by one character when legacy loot is enabled?)
- Legendary Questlines instead of legendary progression
- “Love is in the Air” mount farmable by characters of all levels
- Remove Weekly lockout on Legacy world bosses for mount farmers
- BG Veto System (Maybe add 1 veto for Rated BG groups as well?)