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This guide is a simplified overview of all the changes in the Java Edition 1.2.x releases, which assumes at least some familiarity with Java Edition 1.1.

Mobs[]

New[]

Name Image Habitat Drops Note
Iron Golem
Iron Golem JE1 BE1
Spawns occasionally in villages.
Created when 4 iron blocks are placed in a T-shape with a pumpkin on top.
Defend villages by attacking hostile mobs.
Ocelot and Cat
Ocelot JE1 BE1
Tuxedo Cat JE1 BE1Red Cat JE1 BE1Siamese Cat JE1 BE1
Spawns in jungle biomes. 1–3 (when killed by a player or tamed wolf) Can be tamed using fish.
Will turn into cats if tamed.
Will follow and teleport to the player if they get too far away.
Cats will scare off nearby creepers.

Blocks[]

New[]

Name Image Obtaining Tool Required Uses
Redstone Lamp
Redstone Lamp JE2 BE1

Lit Redstone Lamp JE2 BE1

Any Gives off a light level of 15 when powered by redstone.
Jungle Log
Jungle Log Axis Y JE1 BE1
Make up jungle trees. Axe Can be crafted into jungle planks.
Jungle Leaves
Jungle Leaves JE1 BE2
Shears Can drop jungle saplings.
Jungle Sapling
Jungle Sapling JE1
Dropped by jungle leaves. Any Can grow into jungle trees.
Spruce Wood Planks
Birch Wood Planks
Jungle Wood Planks

Spruce Planks JE1 BE1Birch Planks JE1 BE1Jungle Planks JE1 BE1

Ingredients Crafting recipe
Spruce Log or
Birch Log or
Jungle Log
Axe Used in many crafting recipes.
Cut Sandstone and Chiseled Sandstone
Cut Sandstone JE1 BE1

Chiseled Sandstone JE1 BE1
Ingredients Crafting recipe
Sandstone
Ingredients Crafting recipe
Sandstone Slab

Pickaxe Decoration blocks.
Chiseled Stone Bricks
Chiseled Stone Bricks JE1 BE1
Creative mode inventory. Pickaxe Decoration block.

Items[]

New[]

Name Image Obtaining Uses
Fire Charge
Fire Charge JE1 BE1
Ingredients Crafting recipe
Blaze Powder +
Coal or
Charcoal +
Gunpowder
Spawns fire when used.
Can be fired from a dispenser.
Bottle o' Enchanting
Bottle o' Enchanting JE1 BE1
Creative mode inventory. Spawns experience orbs when splashed.
Ocelot Spawn Egg
Ocelot Spawn Egg JE1 BE1
Creative mode inventory. Spawns ocelots when used.

Biomes[]

New[]

Name Image Description Structures
Jungle
Jungle
A common and dense biome full of jungle trees made up of jungle logs and jungle leaves. Jungle Trees

Structures[]

New[]

Name Image Generates Chests Mobs Description
Jungle tree
Mega Jungle Tree

Jungle Tree JE1 BE1
Found throughout jungle biomes None None Are comprised of a trunk of jungle logs with jungle leaves on top, and are covered in vines.
Desert well
Desert Well JE1 BE1
Found rarely in desert biomes None None Are comprised of sandstone with a block of water in the middle.
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