Java Edition 13w42a

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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.



  • 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.