Java Edition Beta 1.9 Prerelease

Beta 1.9-pre1 is the first pre-release for 1.0.0.

Additions

 * New Mushroom biome
 * Added Nether Fortresses
 * New mobs
 * Mooshroom
 * Villager
 * Snow Golem
 * Magma Cube
 * Blaze
 * New blocks
 * Mycelium
 * Nether Brick, Nether Brick Stairs, and Nether Brick Fences
 * Nether Warts
 * Lily Pads
 * New items
 * Blaze Rod
 * Ghast Tear
 * Gold Nuggets
 * Nether Warts

Changes

 * Debug Feature:
 * Jumping increases your experience.