Minecraft Wiki

This guide is a simplified overview of all the changes in the Java Edition 1.3.x releases, which assumes at least some familiarity with the Java Edition 1.2.x releases.



Name Image Changed
All mobs
  • Mobs can now spawn on top of all upside down slabs and stairs
Pigs Pig JE2 BE1
  • Drop 1–3 porkchops instead of 0–2.
Silverfish Silverfish
  • Will now spawn more silverfish from nearby silverfish blocks more often, when suffering from poison potions.
Creepers Creeper
  • Now have increased knockback effect.
  • Now do more or less damage depending on difficulty:
    • Easy: ~50% less damage
    • Normal: same damage as before
    • Hard: 33 1⁄3% more damage.
Endermen Enderman
  • Now stop in front of the player.
  • Now teleports behind the player when the player swings their sword.
Villagers FarmerLibrarianPriestBlacksmithButcher
  • Will now get a random profession when spawned from spawn eggs.



Name Image Obtaining Tool Required Uses
Emerald Ore Emerald Ore JE2 BE1
  • Pickaxe (Iron or better)
Block of Emerald Block of Emerald JE1 BE1
Ingredients Crafting recipe

  • Pickaxe (Iron or better)
  • Can be used as a decorative block.
Ender Chest Ender Chest JE1 BE1
Ingredients Crafting recipe
Obsidian +
Eye of Ender

  • Pickaxe
    • Drops itself when mined with a tool enchanted with Silk Touch, otherwise drops eight obsidian.
  • Can store items per player, and which contents can be accessed from anywhere in all dimensions.
Tripwire Hook Tripwire Hook JE1
Ingredients Crafting recipe
Iron Ingot +
Stick +
Any Planks
  • Any
Tripwire Tripwire
  • Any
  • The block form of String.
  • Used to activate tripwire hooks.
Cocoa Pod Cocoa Age 0 (S) JE1Cocoa Age 1 (S) JE1Cocoa Age 2 (S) JE1
  • Any
  • The block form of Cocoa Beans.
  • When fully grown, drops additional cocoa beans when broken.
Sandstone Stairs Sandstone Stairs (N) JE2 BE1
Ingredients Crafting recipe
  • Pickaxe
  • Can be used as a decorative block.
Spruce, Birch and Jungle Stairs and Slabs Spruce Stairs (N) JE2 BE1Birch Stairs (N) JE2 BE1Jungle Stairs (N) JE2 BE1

Spruce Slab JE1 BE1Birch Slab JE1 BE1Jungle Slab JE1 BE1

Ingredients Crafting recipe
Spruce Planks or
Birch Planks or
Jungle Planks
Ingredients Crafting recipe
Spruce Planks or
Birch Planks or
Jungle Planks
  • Axe
Decorative building blocks.
Wood Oak Wood Axis Y JE1 BE1Spruce Wood Axis Y JE1 BE1Birch Wood Axis Y JE1 BE1Jungle Wood Axis Y JE1 BE1
  • Only obtainable by third party programs.
  • Axe
  • Can be used as a decorative block.


Name Image Changed
Wooden slabs, and Wooden stairs Oak Slab JE1 BE1

Oak Stairs JE5 BE5

  • Added all wood types.
    • Wooden slabs crafted after the update act like wood.
    • Adjusted hitbox.
Wooden pressure plates Oak Pressure Plate JE3 BE1
  • Can be triggered by arrows.
Log Oak Log Axis Y JE2 BE1
  • Can now be placed in 3 different directions.
    • Placement works similar to piston placement.
Furnaces Furnace JE2 BE1
  • Can now be fueled by wooden tools.
  • Now return an empty bucket when using lava buckets as fuel.
Ice Ice JE1 BE1
  • Now disappears instead of melting when placed in the Nether, regardless of light.[verify]
  • Can now be obtained using Silk Touch-enchanted tools.
Glass panes Glass Pane JE1 BE1
  • Can now be obtained using Silk Touch-enchanted tools.
Dispenser Dispenser JE2 BE1
  • Minecarts & boats will now be placed if there's rails/water in place respectively.
  • Will now suck in or place water or lava in front of them instead of dispensing buckets.
Gravel Gravel JE4 BE2
  • Changed texture
Levers Wall Lever (S) JE2-L1
  • Can be placed on the underside of blocks.
Pistons Piston JE1 BE1
  • Now take 2 redstone ticks (4 game ticks) to extend.
  • Now does different amounts of damage depending on difficulty:
    • Peaceful: no damage
    • Easy: ½ less damage
    • Normal: same damage as before
    • Hard: ⅓ more damage.
Nether wart Nether Wart Age 0 JE1Nether Wart Age 1-2 JE1Nether Wart Age 3 JE1
  • Can now be grown in the Overworld and in the End.
Signs Oak Sign JE1 BE1
  • Now stack up to 16.
  • Crafting now gives 3 signs instead of 1.
Monster spawners Spawner JE2
  • Added NBT tags to further customize spawned mobs.
    • Only changeable using map editors or mods.
Doors Oak Door JE3 BE1
  • Now show their damage when being broken by zombies.
All Slabs & stairs
  • Will now be placed upside-down when placed against the upper half of a block's side.
    • When placed upside down, rails, pressure plates, levers, doors, torches, redstone torches, repeaters, redstone dust and beds can be placed on them - Redstone dust behaves like on glowstone - It transmits power horizontally and upwards, but not downwards. Redstone torches don't power redstone placed on slabs/stairs above them.



Name Image Obtaining Uses
Emerald Emerald JE1 BE1
  • Is used to trade with villagers
Book and quill Book and Quill JE1 BE1
Ingredients Crafting recipe
Book +
Ink Sac +

  • Right-click to read or write in and edit up to 50 pages.
  • Clicking 'Done' saves the text edited into the book
  • Clicking 'Sign' chooses a title to finalize the book



Name Image Generates Chests Mobs Description
Desert village SandstoneHouse Generates in deserts Can generate blacksmith buildings with 1 chest. Villagers
  • Desert village variant made from sandstone instead of cobblestone and wood.
Desert pyramid Desert pyramid JE1 BE1 Generates in deserts 4 chests None
  • Built out of various kinds of sandstone and wool.
  • Includes hidden chest room and TNT trap, with loot including rotten flesh, bones, iron ingots and gold ingots, diamonds and emeralds.
Jungle pyramid Jungle pyramid JE1 BE1 Generates in jungles 2 chests None
  • Built out of various kinds of cobblestone.
  • Contains multiple tripwire traps triggering dispensers filled with arrows.
  • Loot chests include bones, rotten flesh, gold ingots, iron ingots, diamonds and emeralds.

World types[]


Name Image Description Structures
Large Biomes Large Biomes Button
  • Generate as default worlds, but 16× bigger
  • Beaches look closely to what they looked like in Java Edition Beta 1.7.3 and prior.
Same, as in normal world.