Short sad story: I level a Dractyr warlock to be able to transmogrify it with the Diabolic Rainment variants and using the Glide the wings effect breaks and no longer works. The wings return only by exiting the visage form and returning there (using Soar), to break again at the first Glide.
I know perfectly well that it is not the “number one problem” of the current warlock and that a specific graphics bug like this is very very difficult to be taken into consideration, but I try