Minecraft 1.0 Updates

Added animal breeding

Added mushroom islands

Added nether structures (fortresses)

Added nether mobs and new item drops

Made swamps prettier

Added snow biome

Added villagers in villages

Added craftable snow golems

Added potions and potion brewing

Added item enchantments

Added mooshrooms

Added The End

Added new achievements

Added many new items

Added video settings for clouds and particles

Added 32 bit java warning

Updated sound effects

Added hardcore mode (when you die the world is lost)

Made chunk saving multi threaded

Severely reduced the number of block types Endermen can carry

Fixed endermen look-at calculation in mulitplayer (I had forgotten a parenthesis)

Fixed lights under water not removing properly

Fixed a dependency on OpenGL 1.3. ARB_multitexture is required, however

Fixed lava spreading down into water

Fixed paintings being lit wrong

Changed armor calculation

Fixed paintings being lit incorrectly

Fixed a few blocks (fences, for example) being lit incorrectly when placed under/next to other blocks

Minor tweaks to textures

Re-added the ability to view oneself from the front by pressing F5

Removed Herobrine