Which is to say they revealed the box art and the vaguest of vague descriptions:
Certainly there are some core elements carried over from prior games, but we’ve invested a huge effort in retooling our tech to take full advantage of the Xbox One’s hardware and ecosystem to create worlds and experiences worthy of next-gen.
It’s a game that will hopefully demonstrate the talent, learnings and abilities of the 343 Industries team. A game that will incorporate the things we learned from Halo 4 about technology, aesthetics, performance and scale – and perhaps more importantly, understanding and embracing a community of gamers who love what lies at the heart of this game, and the limitless potential of the Halo universe.
In other words, wait for E3 for us to tell you anything worthwhile.