If you had the power to add one feature no questions asked, what would it be?

[Meckaku]

There's quite a few things I'd like to implement, some probably stated by others.

But I will go with a mount with a Glamour Dresser attached so if you get a new piece of gear while questing/leveling a new (to character) job, you don't have to teleport to a city with an Aetheryte Crystal to reapply the glamour or put together a new outfit.