While not brand new in Japan, the release of Mobile Suit Gundam: Thunderbolt online, subtitled into English, is a big deal for the rest of the world's Gundam fans. The usual suspects are cock-blocking its spread as best they can (i.e. ineffectually), and this looks to be another good entry in the sort of story the Gundam franchise is famous for. Nothing ground-breaking, but for fans (especially fans of the Universal Century) it should be a good time.
I had an embed here, but it got borked. Go here instead.