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Java Edition 14w30a

14w30a is the thirty-eighth snapshot for Java Edition 1.8.[1]



  • Can be worn as headgear - but only using commands.
  • Over 16×4006 possible combinations = 6.5536×1016.
  • Crafted like a sign, just with one color of wool instead of planks.
  • Can be stacked to 16.
  • Most patterns are created by arranging dyes in certain ways around a banner on a crafting table.
    • The dyes cannot be shifted or flipped even if there is space, known as a fixed recipe.
  • Additional patterns: creeper, skull & crossbones, brick, and flower - making these without dyes will result in a black pattern, use dyes to get different colors (items: creeper skull, wither skeleton skull, brick block, oxeye daisy).
  • 33 crafting recipes which produce different patterns.
  • Up to 6 layers of patterns possible.
  • Can be placed on walls or on the ground (16 rotations possible).
  • Sway as if blown by wind.
  • Can be cloned by crafting them together with a blank banner.
  • Top-most layer can be removed using cauldrons.

Command format

NBT tags
  • New Silent tag for entities.
    • Setting to 1 disables sound produced by that entity, such as idle and hurt sounds.


  • stat.talkedToVillager
    • Detects how many times the player has talked to villagers (opened the trading GUI).
  • stat.tradedWithVillager
    • Detects how many times the player has traded with villagers.



Mob Heads
  • Made creeper, skeleton and zombie heads available in survival.
  • Creepers, skeletons, wither skeletons, and zombies drop their heads when killed by charged creepers. Wither skeletons continue to have heads as rare drops.
  • Skulls worn on heads are now bigger so the 2nd skin layer no longer peeks through.
  • Player and mob heads in inventories and held by mobs/players now display the actual head.

Command format

  • /summon command can now summon lightning using /summon LightningBolt.


  • Completely fixed black spots.
  • Players will need to re-load old worlds for them to be fixed.[2]


F3 debug screen
  • Now displays how many chunk sections are being rendered currently and how many chunk sections are out of view in percent, the OpenGL version, display size, vendor and GPU.
  • "Vanilla" added to the version number. e.g., "Minecraft 14w30b (14w30b/Vanilla)".
    • Presumably this will say something different if modded. Very few mods (or even APIs) currently exist for versions this recent.
  • F3 + H tooltips now show how many NBT tags an item has.
  • Block names no longer contain blockstate data in brackets next to their name (in the view of a block's name and data along the right side of the screen).
  • Data is still shown in separate rows beneath the name.
  • Third person sword blocking position slightly tweaked
  • Block hitting animation redone
  • Punching while blocking, shooting an arrow, drinking a potion, and eating removed
  • Rod scaling tweaked
  • Removed armor turning red when hit
  • Video Settings
    • Render distance slider now goes up to 32 when using 64-bit Java.
      • Requires 2 GB of allocated RAM.
    • Removed Advanced OpenGL.
  • Performance improvements
    • Rewrote chunk sorting.
    • Ported over the visibility culling code from MCPE to avoid rendering invisible stuff.
    • Threaded chunk rebuilds.


Distance effects
  • Chunks detach and jitter at high coordinates if VBOs are disabled.


32 issues fixed
From released versions before 1.8
  • MC-7508 – Lighting error due to Chunk.heightMap ignoring block at the top level of an ExtendedBlockStorage instance (off by 1 error).
  • MC-30568/summon command can't summon lightning.
  • MC-32514 – The well in a desert village is made out of the wrong material/cobblestone.
  • MC-58823options.txt has advancedOpengl:true also for graphic cards without Advanced OpenGL in video settings.
From the 1.8 development versions
  • MC-46225 – Falling sand can replace pistons, destroying them.
  • MC-56897 – Chunks don't render.
  • MC-57895 – Stairs are backwards in the creative inventory and hotbar.
  • MC-58790 – Sign with /give / /replaceitem doesn't update player inventory.
  • MC-59259 – Breaking block below tall plants causes them to drop two items.
  • MC-59979 – Bug in the F3 menu.
  • MC-60301 – Broken resource packs: game crashes when I try to load 14w27a/b.
  • MC-60552 – Flower pots with metadata placed in 1.7 will not render in 1.8 snapshots/metadata not removed.
  • MC-61191 – Sandstone stairs bug in desert villages.
  • MC-62127 – Turning off VSync crashes the game.
  • MC-62138 – "#PLAYER" appears on sidebar.
  • MC-62180/testfor @p doesn't consider x, y, z anymore.
  • MC-62493 – "/worldborder get" can display invalid size using "/worldborder add <distance>".
  • MC-62655 – Cubic player selector always finds player if there are more than 31 entities around.
From the previous development version
  • MC-62170 – Carpet has incorrect height.
  • MC-62223 – Crash in Video Settings menu.
  • MC-62240 – Command selector parameters dx, dy and dz don't work.
  • MC-62267 – Game crashes when trying to enable VSync.
  • MC-62342 – Slabs can not be placed in adventure mode with tag CanPlaceOn.
  • MC-62349Hopper: java.lang.NullPointerException: Saving entity NBT.
  • MC-62379 – Spawners (dungeons, strongholds, etc...) can spawn mobs outside of worldborder.
  • MC-62419Hopper: java.lang.IllegalArgumentException: Cannot get property bcy{name{{=}}half, clazz=class ats, values{{=}}[upper, lower]} as it does not exist in bch{block=minec.
  • MC-62499/replaceitem block has incorrect syntax.
  • MC-62504/kill adds 214748364 / 0xCCCCCCC to "Damage Taken" statistics.
  • MC-62507 – Overlapping dungeons don't spawn correctly.
  • MC-62558 – Rendering empty chunks/cubes in 14w29b (or number of rendered chunks on debug screen (C) is wrong).
  • MC-62736/replaceitem command not updated when the command was executed with a sign.
  • MC-62789 – Chunks containing paintings may be wiped and regenerated upon load.


  • 14w30a was previously removed from the launcher for some time, but was added back in September 2018.