Features:
-brand new overworld structures like sky villages, structures with quests, and a new underwater dungeon
-new animal NPCs
-new boss fights
-new craftable items such as guns, cars, and planes
-new dimensions (Aether, Twilight Forest, Tropical Paradise)
All these features are meant to incentivize exploration of the overworld and add new difficulty and rewards to the game while not fundamentally changing the way the game works

