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Minecraft 13w10a
Java Edition 13w10a.png

Java Edition



Release date

March 4, 2013

Snapshot for



Client (.json)
Server (.exe)

Protocol version


13w10a is the fourteenth snapshot released for Java Edition 1.5.[1]



Detector rails
  • Added activated rail texture.



Command Block
  • Pressing Esc in a command block will exit its GUI.


  • Spawn rates in swamps now depend on the current moon phase.


23 issues fixed
From released versions before 1.5
  • MC-122 – Unicode font text shadow misaligned.
  • MC-1505 – Grass fades under upside-down stairs (except oak wood ones).
  • MC-3114 – Activated detector-rails moved by a piston keep their activated state.
  • MC-3409 – Single player mode, creative mode, E to select block, select block from grid, E to return to game, game freezess, crash log created.
  • MC-7254 – Furnace tile entities reproducing - Internal performance bug.
  • MC-10543 – Last direct Multiplayer connection does not get saved.
From the 1.5 development versions
  • MC-8184 – Redstone block and torches don't power dispensers, droppers, TNT and noteblocks.
  • MC-8826 – Adding an item to a hopper with a dropper does not change comparator state.
  • MC-9018 – Faceless furnace/furnace duplication glitches.
  • MC-9336[13w06a] Extending piston animation missing.
  • MC-9460 – Piston retracting disappears if pushed out by another piston.
  • MC-9534 – Issues with baby cows' hitboxes.
  • MC-10500 – Unicode defined font in texture pack is misfunctional.
  • MC-10670 – Hard crash when trying to load a custom world.
  • MC-10786 – Comparator doesn't update when a hopper takes in only part of an item stack.
From the previous development version
  • MC-10679 – Hopper cool-down is messed up.
  • MC-10694 – Piston arm passes through other piston.
  • MC-10731 – Hoppers facing one another are inconsistent.
  • MC-10778 – Slowness 127 and Speed 110 together flip view.
  • MC-10825 – Using /clear on more than 1 player will stop clearing inventories once an empty inventory is encountered.
  • MC-10826/me cannot use @p correctly.
  • MC-10889 – Updated redstone bug (detectorrail).
  • MC-10900 – "/scoreboard teams empty teamName" error message says "%s" instead of the team's name.