Studio Ghibli's most famous movie maker, Hayao Miyazaki, has come back into the animating business again! I mean, I doubt anyone is really surprised he's back. He seems to have the same issue as Sakurai, saying they'll stop or retire or whatever and then come back to it not soon after the fact. He is currently working on a new film.
Here's an article about it:
http://kotaku.com/hayao-miyazakis-retirement-is-officially-over-1792704177