The first of the two DLCs is now available.
Nintendo made the first DLC of The Legend of Zelda Breath of the Wild, Entitled The Legendary Trials, now downloadable by anyone who has purchased the Expansion Pass from Nintendo eShop.
Le Legendary Trials includes Trial of the Sword and Path of the Hero modes, as well as the new Master difficulty level, which makes enemies more aggressive and generally makes the game more difficult. Teleportation (via a special amulet), new armor and the Korogu mask for Link have also been added.
The second DLC of The Legend of Zelda Breath of the Wild instead it is expected for autumn, in time for the Christmas season.