Synapse is a distribution label, not a post-production house like Reliance. He was probably only mentioning them in regards to that one title. The "super secret project" is most likely one of Synapse's titles and not anything having to do with Star Wars.
Even if there's no grand announcement by April, they're gonna have to say something at the convention. These OOT blu-ray rumors have become one gigantic elephant in the room.