One extra Newborn was added to the Secret Lair map, but the Newborn's speed was nerfed from 1.5 to 1.2, and its player detection time was nerfed from 5 to 3, and the player's field of view was buffed on the Secret Lair map: 1.5 > 1.2 (the closer to zero, the more field of view the player has)