That's right it's true!
Why you ask? Well I'll be happy to explain..
The Root level galleries on deviantART are meant to be medium-based. However, with the launch of V5 we also introduced the new Anime/Manga gallery because we recognized that this increasingly popular genre had grown so immensely big.. it was it's own art form. The same holds true for Fan Art, so rather than continue to confuse the submission process with including it in every gallery and messing up our search functionality, it is far more logical to launch this way.
So where does that leave you? Well I'm glad you asked. I have closed all of the old Fan Art subcategories and redirected the art in them to the most logical spots in the new main gallery. Is it perfect? probably not because there are millions of deviations and new subcategories that may be more specific than the old ones. That being said, you can move your work around if you find a gallery more suitabl