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Java Edition 1.9-pre2

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Minecraft 1.9-pre2

Java Edition



Release date

February 18, 2016

Pre-release for



Client (.json)

Protocol version


Data version


Other instances
of 1.9-pre2

1.9-pre2[1] is the second pre-release for Java Edition 1.9.



Mob spawning
  • Pack spawning is less likely to spawn the full pack, and less likely to spread them out.
    • Previously, spawning a pack would start from the center three times and cumulatively adjust the coordinates four times by up to ±5 in X and Z, trying to spawn a mob each time, for a total of twelve spawn attempts (although it stops early if a full pack has spawned). Now that "four times" is a random number 1–4, meaning fewer total spawn attempts and less chance for the attempt coordinates to get far from the pack center.


11 issues fixed
From released versions before 1.9
  • MC-27485 – Painting / item frame spawners crash the game, regardless of data provided.
  • MC-35127 – Wrong NBT TAG Type for fallTime in FallingSand entities.
  • MC-35714 – Sounds loop/restart when exiting screens.
  • MC-37516 – Items with attributes e.g. generic.movementSpeed will not work after deselecting and wearing them.
  • MC-77880 – New 1.8.x statistics are not translatable.
From the 1.9 development versions
  • MC-87525 – Creeper explosion radius is unchanged when mobGriefing is off.
  • MC-89928 – End portals do not place the player at the correct coordinates.
  • MC-90101 – Mob spawner is overwriting (ignoring?) Pos[x,y,z] data of entity.
  • MC-91290 – Skeletons with no AI are spawning naturally.
  • MC-95538/playsound command doesn't work with selectors not resolving to exactly one entity.
  • MC-97523 – Nether portals briefly teleport players to original location in alternate dimension.


Video made by slicedlime:


  • 1.9-pre2 was previously removed from the launcher for some time, but was added back in September 2018.