Same here.
The transmog system is completely broken for many people and has been for months.
Four threads:
Support just say post here and seem completely disinterested in getting this in front of the developers. Maybe once Blizzard work out that people will stop buying cosmetics in the store because they cannot be used in game they will make this a priority.
Things that people seem to have in common that may be a trigger for this transmog failure:
- Buying all 5 outfit save slots.
- Returning to the game after a long hiatus (to find all gear marked as legacy)
- Eternal characters
- Trying to play the game in the way the developers said they could