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1.9.3 blog post image.png
Release date

May 10, 2016

Development versions

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Client (.json)

1.9.3 is an update to Minecraft that was released on May 10, 2016.[1] It is not compatible with 1.9.2 servers.


  • New command: /stopsound
    • It permits the player to choose which specific sounds should be stopped from playing.
    • Syntax: /stopsound <player> [source] [sound]


  • /tp will no longer teleport the player to a y-coordinate outside the range -512 to 512.
  • As of the release of this version, the Netty networking library that Minecraft uses, now checks https://sessionserver.mojang.com/blockedservers when connecting to a multiplayer server, and if the server is on the blocked server list, it reports to the user that the server is unavailable.
    • The blocklist consists of servers in violation of the Minecraft EULA (End User License Agreement).
    • This affects all versions that depend on the Netty library, back to version 1.7.2.
  • Better memory use of pathfinding and biome caching.
    • This prevents memory leaking.


13 issues fixed
From released versions before 1.9.2
  • MC-17630 – Zombie pathfinding to unreachable targets causes server lag
  • MC-82464 – Colored 'dead' skin template parts cause in-game issues
  • MC-87907 – Endermen don't become aggressive when players look at their head/feet.
  • MC-88357 – Crash when going outside height limit or into the void with F3
  • MC-89760 – Skin's jacket parts do not show up under specific conditions
  • MC-92057 – Particles are dark Y>=256
  • MC-94438 – Server: Mob pathfinding induced massive lag in any versions 15w49a and later
  • MC-96526 – Crash caused by StackOverflowError when trading too many items at once
  • MC-98994 – Chunk generation performance regressed by 20–30%
  • MC-100692 – Collisions cause extreme lag
From 1.9.2
  • MC-100382 – Pathfinding Memory Leak
  • MC-100410 – Corrupting world by teleporting to y=(-)Infinity
  • MC-100442 – DEV - Navigation Listener very slow code


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