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Release date

January 31, 2018

Snapshot for



Client (.json)

18w05a[1] is the sixteenth snapshot released for 1.13.

Additions[edit | edit source]

  • New command /bossbar
    • /bossbar create <id> <name> will create a boss bar.
      • id is used to target the boss bar and is in the form namespace:name, for example: foo:bar. If no namespace is specified it defaults to minecraft.
      • name is the display name of the boss bar and only accepts a JSON text component.
      • Examples:
        • /bossbar create example:test "Hello World"
        • /bossbar create hello:world {"text":"Foo Bar","color":"red","bold":true}
    • /bossbar set <id> name <name> will change the display name of the boss bar.
    • /bossbar set <id> color (blue|green|pink|purple|red|white|yellow) will change the color of the text (if no color was specified as part of a text component) and the boss bar, defaults to white.
    • /bossbar set <id> style (notched_10|notched_12|notched_20|notched_6|progress) will change the style of the boss bar, defaults to progress.
      • notched will set the amount of segments.
      • progress will set the amount of segments to 1.
    • /bossbar set <id> value <value> will change the current value of the boss bar, defaults to 0.
    • /bossbar set <id> max <max> will change the maximum value of the boss bar, defaults to 100.
    • /bossbar set <id> visible <visible> will change the visibility of the boss bar, defaults to true
    • /bossbar set <id> players <players> will change which players can see the boss bar, defaults to none.
    • /bossbar remove <id> will remove the boss bar.
    • /bossbar list will display a list of created boss bars.
    • /bossbar get <id> (max|players|value|visible) will return the requested setting as a result of the command.
  • New /execute store subcommand: /execute store (result|success) bossbar <id> (value|max) <chained command>
    • Will store the result or success in the boss bar's value or max setting.
  • Basic entity selector suggestions in the command UI.
  • A warning now is logged for ambiguous commands.

Changes[edit | edit source]

  • Updated translations.

Fixes[edit | edit source]

12 issues fixed
From released versions before 1.13
  • MC-4923 – Flint and steel and fire charges can place fire at invalid positions
  • MC-5037 – Riding a pig / horse with a cape causes it to not behave as expected
  • MC-105591 – Flint and Steel loses durability and fire charge is used up even if no fire was placed
  • MC-120296F3 + T doesn't reload the data in pack.mcmeta
From the 1.13 development versions
  • MC-123460 – JSON parsing exceptions thrown during parsing of pack.mcmeta of data and resource packs are not caught properly
  • MC-124048 – Tab completing advancement (any?) key with trailing space errors
  • MC-124056 – The members/target/targets argument of /scoreboard and /team does not tab-complete player names
From the previous development version
  • MC-124360 – OS locale is used for /data get feedback text when specifying the scale argument
  • MC-124379 – datapacks load functions unreliably
  • MC-124384 – Trigger objectives are enabled by default
  • MC-124499 – Missing command feedback for successfully triggering trigger
  • MC-124616/setidletimeout suggests it is in seconds while behaviour is in minutes

References[edit | edit source]

  1. "Minecraft Snapshot 18w05a" – Minecraft.net, January 31, 2018
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