Java Edition 1.0

Minecraft 1.0 was the official release of Minecraft for the PC. It was released during MineCon on the 18th November 2011 by Notch at the keynote address ceremony at 2:59 PM Pacific Time (-8 GMT). Jeb confirmed the version number 1.0 in a tweet. 1.0 includes many completed features from the Adventure Update as well as features and bug fixes from the 1.9 Pre-Releases.

Changes
To see complete list of known changes, see Upcoming Features


 * A proper ending to the game in a realm called "The End".
 * New Nether content.
 * New achievements.
 * Score is stated on death based on total experience orbs held on the player.
 * A new game mode. (Hardcore)
 * New biomes. (Mushroom and Tundra)
 * New items.
 * New blocks.
 * New mobs. (Enderdragon (Boss Mob), Snow Golem,  Mooshroom Cows,  Villager Mobs, Magma Cube, Blaze)
 * Animal breeding.
 * Potions.
 * Tool rebalance as well as enchantments.
 * Improved Armor system.
 * Mob health rebalance. (Sheep, Spiders, Zombies)
 * New sound effects, including: Chest sound, Door/Gate sound, Bow Sound, Enderman sound, Silverfish sound, Explosion sound, Egg sound.
 * Item Repair.
 * New Stronghold content (Portal Rooms with the end portal frames).