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This guide is a simplified overview of all the changes in the Java Edition Alpha 1.0.x releases, which assumes at least some familiarity with Infdev releases.

Mobs[]

New[]

Name Image Habitat Drops Note
Cow Cow JE2
  • Surface
  • Can be milked.
Slime Slime JE2 BE1
  • Underground
  • Comes in 3 sizes.
  • Larger slimes split into smaller slimes when killed.
Chicken Chicken JE1 BE1
  • Surface
  • Lays eggs.
Spider Jockey Spider Jockey a1.0.17
  • Dark places
  • The first composite mob.

Changed[]

Name Image Changed
Hostile Mobs Creeper JE2 BE1Skeleton JE1Zombie JE1Spider JE3 BE2
  • Now have unique sounds instead of sharing the player's sounds.

Blocks[]

New[]

Name Image Obtaining Tool Required Uses
Redstone Ore Redstone Ore JE1 BE1
  • Generates deep underground.
  • Pickaxe (iron or better)
  • Drops redstone dust.
Redstone Wire Active Redstone Wire (NESW) JE1Inactive Redstone Wire (NESW) JE1
  • Drops from redstone ore.
  • Any
  • Transmits redstone power.
Redstone Torch Redstone Torch JE1 BE1Unlit Redstone Torch JE1 BE1
Ingredients Crafting recipe
Redstone Dust +
Stick

  • Any
  • Powers redstone components.
Lever Wall Lever (S) JE1
Ingredients Crafting recipe
Stick +
Cobblestone

  • Any
  • Toggles redstone components on and off.
Button Stone Button (S) JE1
Ingredients Crafting recipe
Stone

  • Pickaxe
  • Temporarily powers redstone components when pressed.
Stone Pressure Plate Stone Pressure Plate JE1
Ingredients Crafting recipe
Stone

  • Pickaxe
  • Powers redstone components while stepped on.
Wood Pressure Plate Oak Pressure Plate JE1
Ingredients Crafting recipe
Oak Planks

  • Axe
  • Powers redstone components while stepped on.
Iron Door Iron Door JE1 BE1
Ingredients Crafting recipe
Iron Ingot

  • Pickaxe
  • Can only be opened by a redstone signal.
Ice Ice JE1 BE1
  • Pickaxe
  • Covers the water in winter worlds.
  • Water exposed to snowfall will freeze.
Snow Snow (layers 1) JE1 BE1
  • Generates in winter mode worlds.
  • Shovel
  • Covers the ground in winter worlds.
  • Flat surfaces exposed to snowfall will accumulate snow.
Snow Block Snow Block JE1 BE1
Ingredients Crafting recipe
Snowball

  • Shovel
  • A building block only obtainable in winter mode.
Cactus Cactus JE2 BE1
  • Generates on sand.
  • Any
  • Grows more cactus on top of itself.
  • Damages entities that touch it.
Reeds Sugar Cane JE1 BE1
  • Generates on grass next to water.
  • Any
  • Grows more reeds on top of itself.
  • Can be crafted into paper.
Clay Block Clay JE1 BE1
Ingredients Crafting recipe
Clay Ball

  • Generates in and around water.
  • Shovel
  • Drops clay.
Jukebox Jukebox JE1 BE1
Ingredients Crafting recipe
Oak Planks +
Diamond

  • Axe
  • Can play music discs.
Fence Oak Fence JE1
Ingredients Crafting recipe
Stick
  • Axe
  • Cannot be jumped over.

Changed[]

Name Image Changed
Bookshelf Bookshelf JE1
  • Is now craftable:
Ingredients Crafting recipe
Oak Planks +
Book

Bricks Bricks JE2
  • Texture changed.
  • Is now craftable:
Ingredients Crafting recipe
Brick

Sign Oak Wall Sign (S) JE1 BE1
  • Can now be placed on walls.
Lava Lava JE8
  • Can now set fire to nearby flammable blocks.[verify]
Spawner Spawner JE1
  • No longer drops itself when mined.
Furnace Lit Furnace (S) JE1
  • Lit furnaces now drop normal furnaces instead of lit furnaces when mined.

Items[]

New[]

Name Image Obtaining Uses
Redstone Dust Redstone Dust JE1 BE1
  • Drops from redstone ore.
  • Transmits redstone power.
Snowball Snowball JE1 BE1
  • Drops from snow and snow blocks mined with a shovel.
  • Can be thrown or crafted into snow blocks.
Leather Leather JE1 BE1
  • Drops from cows.
  • Can be crafted into leather armor.
Milk Bucket Milk Bucket JE1 BE1
  • Obtained by using a bucket on a cow.
  • Does not yet have a use.
Paper Paper JE1 BE1
Ingredients Crafting recipe
Sugar Cane
  • Can be crafted into books.
Book Book JE1 BE1
Ingredients Crafting recipe
Paper

  • Can be crafted into bookshelves.
Clay Clay Ball JE1 BE1
  • Drops from clay blocks.
  • Can be cooked into bricks or crafted into clay blocks.
Brick Brick JE1 BE1
Ingredients Smelting recipe
Clay Ball +
Any fuel


  • Used to craft brick blocks.
Slimeball Slimeball JE1 BE1
  • Drops from slimes.
  • Does not yet have a use.
Egg Egg JE1 BE1
  • Chickens will randomly lay eggs.
  • Does not yet have a use.
Music Disc Music Disc 13 JE1 BE1Music Disc Cat JE1 BE1
  • Found in dungeon chests.
  • Can be played in a jukebox.

Changed[]

Name Image Changed
Leather Armor Leather Cap JE1 BE1Leather Tunic JE1 BE1Leather Pants JE1 BE1Leather Boots JE1 BE1
  • Now crafted with leather instead of wool.
  • Renamed from "cloth" armor to "leather" armor.
Arrow Arrow (item) JE1 BE1
  • Now crafted with flint instead of iron ingot.
Wooden and Cobblestone Stairs Oak Stairs (inventory) JE2Cobblestone Stairs (inventory) JE2
  • Inventory icon is now a (bugged) 3d model instead of a flat texture.
Wooden Door Oak Door (item) JE2 BE1
  • Has a new inventory icon.

Non-Mob Entities[]

New[]

Name Image Creation Drops Note
Boat Oak Boat JE1
Ingredients Crafting recipe
Oak Planks

  • Can be used to cross water.
Minecart with Furnace Minecart with Furnace JE1
Ingredients Crafting recipe
Furnace +
Minecart

  • Can be used to push minecarts.
Minecart with Chest Minecart with Chest JE1
Ingredients Crafting recipe
Chest +
Minecart

  • Can be used to transport items.

Structures[]

Changed[]

Name Image Changed
Oak tree Oak JE5
  • Can now sometimes generate in larger and more complex shapes.

Gameplay[]

New[]

Name Description
Executable Client
  • Before this version, Minecraft was only playable through a browser.
Cave Sounds
  • Added cave ambience.
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