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Indev 0.31 20100122.png

Java Edition

Release date

January 22, 2010


Client not archived
No corresponding server



A version of Indev 0.31[1] was released on January 22, 2010.



Lava Spawner.png Lava Spawner
  • When placed, the block would create lava blocks which would replicate infinitely to fill up specific volumes.
  • Added to the inventory.[2]


Bow.png Bow
  • Can now be used to fire arrows.
  • Added to the inventory.
    • Shooting arrows into Lava creates flaming arrows

World generation[]

  • Liquid spawner is now in the level generator.
  • Fluids can spawn above sea level and on floating islands.
  • New lighting pass, preventing stack overflows on huge deep floating maps.
  • Flowers added to terrain generation.
  • Caves are less flooded.



  • Blocks can now be placed on resource items, pushing them out.
  • Lava works like water now but slower.
  • Stack size reduced to 50 from 99.
    • Water and Lava source blocks are now given to the player in stacks of 5.[1][3]


Iron Axe JE2.png Axes
  • Half of the axe head is removed.
Arrow (item).png Arrows
  • Added as an item.
  • Now require a Bow to fire.
  • The arrow counter above the hotbar was removed.
  • Deal no damage to players or mobs yet.
  • Added to the inventory.
  • Have a shake effect when hitting a block, and slight deviations in where they land.[verify]
  • Now fall down when the block they landed on is removed.
  • Readded the pulse effect when an item gets picked up in the hotbar.[4]
  • Picking up items with a full inventory after reloading a level sends them to hidden inaccessible slots.[note 1]
    • If the level is not reloaded beforehand, any extra items will go to fill up the armor slots. Once they're full no more items can be picked up.


  • Now have a higher blast radius.
  • Now destroy stone, among other changes.[more information needed][verify]
    • Now destroy dropped items.
    • Primed TNT no longer bounces up when hitting the ground.
  • Players have many times longer combat reach.[6]
  • Dropped items and TNT no longer bounce when hitting the ground


From Indev 20100114

  • Picking up items that you already have a full stack of will create a new stack. One item stacks are no longer created.


  • Rana now spawns in large numbers, causing lots of lag as they accumulate.[7]
  • Flammable blocks no longer ignite in Lava.[8]
  • Armor sprites only show up after saving and reloading a level.[verify]



  1. These slots can only be accessed or viewed with NBT editors.


  1. a b "Minecraft Indev - Saving/Loading Files" – Bryton Kinney on YouTube, January 22, 2010
  2. "Minecraft Multi Color Box" – worbat on YouTube, January 24, 2010
  3. "The bad thing is, we no longer have 99 of all items. And Liquid spawners are now limited to 5." by Menen – Minecraft Forum, January 22, 2010.
  4. "Also, has anyone noticed the "warp" effect that the block icons get when you pick up a block of that same type?" by CG62 – Minecraft Forum, January 22, 2010.
  5. Indev's been updated with a bunch of goodies - The Word of Notch, January 22, 2010
  6. "Also, has anyone else noticed that you can apparently kill ranas telekinetically now?" by keiya – Minecraft Forum, January 22, 2010.
  7. "Glitch Found : Ranas keep spawning and spawning and spawning." by Menen – Minecraft Forum, January 22, 2010.
  8. "Second Glitch: Flammable blocks no longer ignite in lava." by Meren – Minecraft Forum, January 22, 2010.