Just to confirm I will be at HoW in June, and while I'm not 100% sure just yet what will be revealed/discussed, we are preparing for it and looking forward to it
The project has taken some time (no argument from us there) and more so than even we would have liked it to take, and the only consolation I can give is that when we do discuss it in more detail, hopefully soon enough, you'll be guaranteed that what we discuss will be in the game and fully representative of the final product.
This has been a very large project, very transformative in terms of the game engine and future capabilities, that with such a long original list of planned changes, and final actual list of changes, it would have been very easy for us to have gotten ahead of ourselves and to have made a lot of empty promises. Something that every game designer, if they've made that mistake (which we've done in the past) can quickly come to regret.
While we've been very quiet, the truth is we've instead channeled all our time and efforts into this game (as the trade-off) and hopefully this will show in the end.