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Java Edition guides/The Update that Changed the World

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The Update that Changed the World

Java Edition

Official name

The Update that Changed the World

Released versions

1.7.2 •  1.7.4 •  1.7.5 •  1.7.6 •  1.7.7 •  1.7.8 •  1.7.9 •  1.7.10

This guide is a simplified overview of all the changes in The Update that Changed the World (Java Edition 1.7.x releases), which assumes at least some familiarity with the Horse Update (Java Edition 1.6.x releases).



Name Image Habitat Drops Note
Chicken Jockey Chicken Jockey Revision 1.pngChicken Zombie Villager Jockey.pngChicken Zombie Pigman Jockey.png
  • Chicken Jockey and Zombie Villager Jockey spawn in Overworld, Zombie Pigman Jockey spawns in the Nether

Chickens drop:

Baby zombies drop:

If killed by a charged creeper, it drops a zombie head.


Name Image Changed
Iron golems Iron Golem Revision 1.png
  • Drop poppies instead of roses.
Creepers Creeper JE2 BE1.png
  • Can be detonated using a flint and steel.
Zombies Zombie Revision 1.png
  • Reduced the lag that zombies created by pathfinding.
  • Can now spawn with and drop armor, bows and swords with the "Unbreaking" enchantment.
Witches Witch Revision 2.png
  • Now drink a potion of water breathing, when they are trapped underwater.
  • Can drop a potion of water breathing upon death, as a rare drop.
  • Have been added to the mix of low light-level hostile mobs, spawning anywhere where the light level is below 7, including at night in every biome and in caverns.
  • They usually spawn in groups
  • They have roughly the same spawn rate as the enderman.
Spiders, cave spiders & endermen Spider JE4 BE3.pngCave Spider.pngEnderman.png
  • Don't become hostile when attacking them in creative mode



Name Image Obtaining Tool Required Uses
Stained glass White Stained Glass Revision 1.png
Ingredients Crafting recipe
Glass +
Matching Dye
  • It can be mined with pickaxe only
  • Can be crafted into stained glass panes using the same recipe as normal glass panes.
  • Can be used as decorative block
Acacia wood Acacia Log Axis Y JE2 BE1.png Found in Savanna biomes. Can be mined with any tool or hand. Can be crafted to Acacia wood planks
Dark oak wood Dark Oak Log Axis Y JE2 BE1.png Found in Roofed Forest biomes. Can be mined with any tool or hand. Can be crafted to Dark Oak wood planks
Acacia and Dark oak wood planks Acacia Planks JE1 BE1.png

Dark Oak Planks JE1 BE1.png

Ingredients Crafting recipe
Acacia Log
Ingredients Crafting recipe
Dark Oak Log
Can be mined with any tool or hand
Acacia and Dark Oak Wood Slabs, Stairs, Leaves and Saplings. Acacia Wood Axis Y JE2 BE1.pngAcacia Slab JE1 BE1.pngAcacia Stairs (N) JE1.pngAcacia Leaves JE2.pngAcacia Sapling JE1 BE1.png

Dark Oak Wood Axis Y JE5 BE2.pngDark Oak Slab JE1 BE1.pngDark Oak Stairs (N) JE1.pngDark Oak Leaves JE2.pngDark Oak Sapling JE1 BE1.png

All they can be founded in Overworld or all except Leaves and Saplings can be crafted too. All slabs, stairs, leaves and sapling can be mined with any tool or hand Can be used as decorative block, or for crafting.
Packed Ice Packed Ice JE1 BE2.png It can generate in Ice theme biomes Can be mined only with a pickaxe enchanted with Silk Touch
  • When broken, it doesn't turn into water, like normal ice blocks do.
  • Does not melt.
Podzol Podzol JE1 BE1.png Only found naturally in Mega Taiga Biomes. It can be mined with any tool or hand, but drops dirt.
  • Can be used as decorative block
Coarse Dirt Coarse Dirt JE1 BE1.png Obtainable only through commands. Can be mined with any tool or hand.
  • Can be used as decorative block
Red Sand Red Sand JE1 BE1.png Generated in the Mesa biome. Can be mined with any tool or hand
  • Can be smelted into glass and crafted into TNT.
Flowers Red Tulip JE1 BE1.pngOrange Tulip JE1 BE1.pngWhite Tulip JE1 BE1.pngPink Tulip JE1 BE1.png Red, orange, white and pink tulips can be found in Flower Forest biome Can be mined with any tool or hand
  • Can be crafted to red, orange, light gray and pink dyes.


Name Image Changed
Wood Oak Log Axis Y JE2 BE1.pngSpruce Log Axis Y JE2 BE2.pngBirch Log Axis Y JE2 BE2.pngJungle Log Axis Y JE2 BE2.pngAcacia Log Axis Y JE2 BE1.pngDark Oak Log Axis Y JE5 BE3.png
  • Wooden logs have different textures for their top and bottom
    • Oak Logs remain the same, as if being the default.
Cauldrons Cauldron Revision 1.png
  • Cauldrons with water in them will put out burning entities, taking away one water level each time.
Sugar canes Sugar Cane.png
  • Color/shade is affected by the biome color (similar to leaves, grass and vines).
Dead bushes Dead Bush JE1 BE1.png
  • Can be placed on hardened clay, stained clay, red sand and dirt.
Command blocks Impulse Command Block JE1.png
  • Show what command it ran recently in the GUI.
  • Extended character limit past the 10,000 mark.
Iron bars & glass panes Iron Bars (unconnected) JE1 BE1.pngGlass Pane (EW) JE2 BE2.png
  • Connect to each other and glass blocks.
    • This includes panes of different colors.



Name Image Obtaining Uses
Pufferfish Pufferfish (item) JE4 BE1.png Can be found, when fishing
  • Can be used for restoring hunger
    • Restores 1 ().
    • If eaten it will inflict
      • Poison IV (1:00)
      • Hunger III (0:15)
      • Nausea (0:15)
  • Used to brew a water breathing potion.
Raw Salmon Raw Salmon JE1 BE1.png Can be found, when fishing
  • It can be used for restoring hunger
    • Eating it raw restores 2 ()
    • Cooked restores 6 ().
Clownfish Tropical Fish JE1 BE1.png Can be found, when fishing.
  • Can be eaten to restore 1 ().



Name Image Description Structures
Mesa Mesa.png
  • Composed of multiple colored hardened clay that are layered in a way that resembles sedimentary rock.
    • There are seven colors including normal, orange, red, yellow, white, light gray and brown.
  • Has a floor similar to a desert biome, but made of red sand instead of sand.
  • Dead bushes spawn in this biome.
  • Occasional dying forests spawn on top of the clay mountains.
  • There is no rain in this biome.
Savanna Savanna.png
  • Very flat with plateaus and the occasional giant mountain.
  • There is no rain in this biome.
Sunflower Plains Sunflower Plains.png
  • Exactly the same as plains, but can spawn sunflowers.
Roofed Forest Roofed forest.png
  • Forest with Dark Oak Trees and mushrooms.
  • Monsters will most likely be able to spawn during the day and the night.
Birch Forest Birch Forest.png
  • A forest made entirely of birch trees.
Flower Forest Flower Forest.png
  • Forest variant with several of the new flowers, including peonies, orange tulips, white tulips, oxeye daisies, rose bush and allium.
  • Very densely packed with the various new flowers, including dandelions, but excluding sunflowers.
Cold Taiga ColdTaigaHills.png
  • The old variant of Taiga
    • The newer variant without snow is called "taiga" instead.
Mega Taiga Mega Taiga Hills.png
Extreme Hills+ Extreme hills plus.png
  • Goes considerably higher than the normal Extreme Hills.
  • Lakes of packed ice are dotted around the biome.
Deep Ocean Deep Ocean.png
  • Is about ten blocks deeper than normal oceans; the maximum depth is in the low 30s.
Biome Variants/Technical Biomes
  • Over 20 variants for the biomes.
    • M – Biomes with an M variant are much rarer than any other variant.
    • Plateau – Biomes with a plateau variant are like the hills technical biome, but flattened at the top.
    • Mesa (Bryce) – A rare variant of the mesa biome which works similar to ice spikes, with tall clay spikes generating from the sandy mesa floor.
    • Hills – More technical hills biomes have been added to fit with the new biomes.
    • Beach – Separate certain biomes from oceans and rivers.

World types[edit]


Name Image Description Structures
Amplified AmplifiedWorldMojang.jpg
  • It scales up all world generation rules, so it uses the entire world height.
    • Almost all biomes can generate huge mountains that can reach well above Y: 200.
      • Extreme Hills biomes frequently reach the world height limit at Y: 256.
      • Swampland and ocean biomes are unaffected by this world type.
  • Extremely resource intensive and requires powerful computer to run.
  • Ravines here can reach down to bedrock.
  • Contains numerous various landforms that are very rare or non-existent in default generation.
    • Some examples include floating islands, overhangs, large water and lava falls and huge indents.
  • Taiga biomes reach such altitudes that snow starts generating (about Y=130).
All structures