Some more details announced via Nintendo direct. Two different Triforces exist., One in the world link lives in, and one in the “Otherworld” Link we need to travel between the two quite often.
Dungeons and puzzles are completely new. The game is set many years after “A link to the past” So much so that this is an entirely new Link. The Link we saw in A link to the past is no more.
Legend of Zelda A link between world will be coming in November. No solid release date has been revealed. More details closer to launch.