NEW FEATURES (according to the wiki) Nether loads faster when going through a portal In creative mode, teleportation is instantaneous The Water overlay is more saturated blue. Updated and added new sounds by C418 New footstep sounds: Sand, Gravel, Soulsand, Grass Block, Ladders, Snow and Stone New block-placing sounds: Wood, Stone, Plants, Sand, Gravel, although unintended by C418 since they are just like Minecraft: pocket edition New block breaking sounds: Wood, Snow, Glass New mob sounds: Cow, Pigs, Enderman, Zombie, and Skeleton New tool sounds: Flint and Steel, Shears (when shearing sheep) Lava and Flowing Water now have constant noise Added level up sound, but will be changed later for a shorter one  Added a passive mob (Bat) Spawns in dark caves Spawns in Peaceful mode Sleeps during the day Hangs on the ceiling when idle, starts flying when players come near Added a hostile mob (Witch) Their nose slowly bobs up and down when not hostile. Throws splash potions of poison, slowness, weakness and instant damage at you Regenerate health over time Hold an empty bottle and rise their noses when attacking Drink potions of instant health and fire resistance to defend themselves in combat Rarely drop potions of instant health and fire resistance Is immune to some splash potions Does not spawn naturally (yet), but a Spawn Egg exists for it in Creative Mode Command block target parameters have been upgraded, check here for details: https://gist.github.com/3736487 Beacon artwork was changed The beam of light was changed Item Frames no longer despawn when 20 blocks away. Wood blocks are now rotated differently. Instead of using the player's position, it will rotate based on the face it is placed upon, like a lever (this is mainly a test). Stone Monster Egg blocks (which spawn Silverfish) will rarely generate underground.