By Naughty Dog themselves, no less.
Yesterday, Naughty Dog held a livestream on Twitch to show off the upcoming multiplayer beta of Uncharted 4, which goes live later this month. The stream basically showed us all the multiplayer action we can expect from the beta, but Naughty Dog were careless- they also mistakenly leaked something that we aren’t supposed to see, something that, at any rate, won’t be in the beta, but will presumably be in the final game.
This happens to be a new map. The map appears to be set at night, and we got to see the initial screen before Uncharted 4 Game Designer Erin Daly noticed that they were showing something that hadn’t been announced yet, and swiftly moved to something else. Of course, Daly didn’t account for the fact that once something is put on the internet, it stays there forever- and so, indeed, we have a video snippet showing off the new map below. Check it out for yourself.