Java Edition 14w18a

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Java Edition



Release date

April 30, 2014

Snapshot for



Client (.json)
Server (.exe)

Protocol version


14w18a is the twentieth snapshot released for Java Edition 1.8.



Pistons and slime blocks
  • Slime blocks will now push and pull blocks adjacent when connected to sticky pistons.
    • Connected to normal pistons, slime blocks will only push blocks, but not pull them.
    • Up to 12 slime blocks connected to a piston in any arrangement can be moved as long as the following conditions are met: blocks do not disrupt the chain, non-moveable blocks are not in the way or slime blocks are not attached to the piston itself.
    • Follows all the rules that pistons follow, for example, blocks which can normally be moved by pistons can be moved if attached to slime blocks.
  • Extending a piston with a slime block on top of it will launch the entity (mobs, players, items, launched arrows etc) into the air.[1]


38 issues fixed
From released versions before 1.8
  • MC-2346 – Hitbox of anvil not proportional.
  • MC-3631 – Creepers float one-eighth of a block above the ground.
  • MC-9553 – Wrong rendering order of particles, hitboxes, clouds, transparent blocks and breaking animations.
    • Fixed partially: Only particle rendering is fixed.[2][3]
  • MC-31728 – Resource pack glitch on shaders.
  • MC-32017 – Maps issue + super secret settings.
  • MC-34648 – Torch not placeable on stained glass.
  • MC-36103 – Nether portal block invisible in front of another nether portal block.
  • MC-47811 – The bottom texture of non-full blocks is flipped vertically.
From the 1.8 development versions
  • MC-46776 – When only a Spectator stays near mobs, they don't despawn.
  • MC-48831 – "Reeds" model displays incorrectly.
  • MC-48954 – When you kill invisible horse variants, the screen will turn red/black.
  • MC-50073 – It is possible to change the missing block model.
  • MC-50201 – Minecart glitch on rails.
  • MC-50239 – Pick block on hydrated farmland gives dirt block with invalid data value (missing texture).
  • MC-50510 – Burning furnace (Block 62) has wrong inventory image.
  • MC-51379 – Rails render from below, but not correctly.
  • MC-51934 – Lapis-Lazuli ore pick block.
  • MC-52814 – dropper spawns items inside of itself with no velocity causing them to fly everywhere.
From the previous development version
  • MC-53370 – Any stone slabs on top of one another creates a double stone block.
  • MC-53371 – Respawn button does not work if spawnpoint is outside of the world border.
  • MC-53375 – Sheep give other color when sheared.
  • MC-53381 – Player takes damage when world border is nearer than 179 blocks
  • MC-53390 – Maximum value for the /worldborder command too low (30 million instead of 60 million).
  • MC-53401 – redstone overlay gets tinted.
  • MC-53405 – Singleplayer menu: only one click loads world.
  • MC-53412 – The world border stops the player one block further away from the center in south/east direction.
  • MC-53419 – Unable to create/load new heavily customized world.
  • MC-53434 – Can place blocks outside world border.
  • MC-53442/worldborder missing string: commands.worldborder.setSlowly.success.
  • MC-53460 – Redstone gives off no particles when being broken.
  • MC-53464 – Scrollbar in all lists act weird/unresponsively.
  • MC-53493Minecraft crashes when setting FixedBiome to hell.
  • MC-53514 – Lava oceans setting does not work in customized world type.
  • MC-53570 – Barrier particles fight for attention.
  • MC-53580 – Crafting wool/clay/glass/dog collars results in the wrong color.
  • MC-53616 – River generation dramatically increased in default world generation.
  • MC-53773 – Cannot respawn outside world border.
  • MC-53918 – Double-clicking server in server list no longer does anything.


  • 14w18a was previously removed from the launcher for some time, but was added back in September 2018.