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Java Edition 17w46a

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Minecraft 17w46a

Java Edition



Release date

November 15, 2017

Snapshot for



Client (.json)

Protocol version


Data version


17w46a[1] is the fifth snapshot released for Java Edition 1.13, which added the /datapack command.


Command format[edit]

  • A command to control loaded data packs.
  • Has the following subcommands:
    • enable <name> - will enable the specific pack.
    • disable <name> - will disable the specific pack.
    • list [available|enabled] - will list all data packs, or only the available/enabled ones. Hovering over the data packs in this list will show their description defined in their pack.mcmeta.
  • Data packs are enabled by default, but if the player have disabled it they can re-enable it with these commands:
    • enable <name> - will enable the specific pack, putting it in its default position.
    • enable <name> first - will enable the specific pack, putting it before any other pack (lowest priority).
    • enable <name> last - will enable the specific pack, putting it after any other pack (highest priority).
    • enable <name> before <existing> - will enable the specific pack, putting it before (lower priority) <existing> pack.
    • enable <name> after <existing> - will enable the specific pack, putting it after (higher priority) <existing> pack.



White Horse Revision 3.png Horses
  • The horse model has been slightly tweaked.
    • The snout is located one pixel higher and the back legs were moved by 1.5 pixels back.

Command format[edit]

Command UI
  • A new prototype for the command UI.
  • Now works in multiplayer.


21 issues fixed
From released versions before 1.13
  • MC-10880 – Comma or other symbols after @ selector does not work with command blocks.
  • MC-76044 – randomTickSpeed, spawnRadius, maxEntityCramming and maxCommandChainLength accept non-integer value.
  • MC-88481 – '/worldborder set' allows small decimal numbers but does not display them correctly in chat.
  • MC-99434/worldborder damage command not giving any feedback with an invalid argument.
  • MC-107359 – You can replace loot tables and advancements, but not structure files.
  • MC-110566 – Failed /scoreboard players operation can still give a score of 0.
  • MC-117191 – Tab-completion list doesn't change when moving cursor with mouse.
From the 1.13 development versions
  • MC-121645 – Commands aliases do not display syntax help/tab-complete correctly.
  • MC-121658 – Starting a LAN with cheats enabled doesn't enable cheats for the initial player.
  • MC-121684 – New command menu blocks entire screen.
  • MC-121690 – Not providing block states will make the game test for the defaults, instead of ignoring the states.
  • MC-121691/teleport with rotation does not work.
  • MC-121694 – Mobs summoned using /summon have no weapons.
  • MC-121754/ban does not kick banned player anymore.
  • MC-121756 – Trying to add a scoreboard objective with already used name shows wrong error.
  • MC-121791 – Exceptions in the gameLoopFunction crash the server.
  • MC-121810 – Command errors in chat are not red anymore.
From the previous development version
  • MC-121838 – Tab doesn't insert anything if there are multiple options.
  • MC-121841 – Command suggestion list doesn't update for partial words.
  • MC-121848 – Command Suggestions' Background is not transparent.
  • MC-121948 – The problem with the show commands.


Video made by slicedlime:


  1. "Minecraft Snapshot 17w46a" –, November 15, 2017