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Java Edition



Release date

October 17, 2013[1]

Snapshot for



Client (.json)
Server (.exe)

Protocol version


13w42a is the twelfth snapshot for Java Edition 1.7.2. It allows for more letters to be put on signs, change the texture of stained glass and makes witches a common monster (like creepers and zombies) instead of spawning exclusively in and around witch huts.



  • Different letters can be typed now.
Stained glass
  • Have a smoother/transparent texture.
Stained glass panes
  • Have a smoother/transparent texture.
  • Transparency slightly adjusted.
  • If water is directly adjacent to ice, when looking through the ice, the player cannot see the water.
    • However, the player can see the ice when looking through water.
    • If water is not directly adjacent to ice, the player can see the water when looking through the ice.[2]
  • The player can no longer see the water surface from underwater


  • Now display the color of colored wool and stained clay, allowing a wider range of colors visible on maps.
  • Each different type of block has a different shading on the map.


  • Now spawn anywhere where the light level is 7 or less, including any biome and underground.


  • The armor boxes get black when empty and away from cursor.
  • Putting cursor over the armor inventory displays which armor is to put on there.
Resource packs
  • Rewrote the sound system.
  • Resource packs can now add, remove, supplement, randomize, and group sounds using JSON.
  • Sounds and music are now stored together in the new .minecraft/assets/sounds folder.


15 issues fixed
From released versions before 1.7.2
  • MC-4921 – Sounds (e.g. mobs/portals/water) don't immediately fade.
  • MC-10633 – Players can't look through ice or stained glass if they have it in their hand, but they can if it is placed.
  • MC-19483 – Sounds playing after leaving world.
  • MC-26660 – Constant minecart sound.
  • MC-28478 – Successful hit sound effect does not match the sound in the assets sound folder.
From the 1.7.2 development versions
  • MC-31577 – Major bug: arrows shot by infinity bow/skeleton do not despawn over time.
  • MC-32082 – Signs, heads, and cauldrons have a full block breaking texture.
  • MC-32295 – Glitchy item borders with mipmapping and anisotropic filtering activated.
  • MC-32314 – The Mojang logo is blurry.
  • MC-33141 – Rain does not stop.
  • MC-33182 – Losing connection to server when a minecart command block is placed on a powered activator rail.
  • MC-34096 – Minecart sound is considered an enemy monster.
  • MC-34649 – Glass panes, stained glass, and ice show the texture in all faces.
From the previous development version
  • MC-34889 – Superflat shows void particles.
  • MC-34892 – Mobs/other players only looking in one direction/walking backwards on SMP.


  • 13w42b and the April Fools' version 3D Shareware v1.34 both have the same protocol version as 13w42a.
  • 13w42a was previously removed from the launcher for some time, but was added back in September 2018.