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{{Infobox version
|title=Minecraft 18w05a
|edition=Java
|image=18w05a.png
|image2=Java Edition 18w05a menu.png
|type=Snapshot
|date=January 31, 2018
|parent=1.13
|clienthash=bc3c321006bd1864a9e3dfea8c351927c44519c6
|jsonhash=a9e94f4c88dd7905aa475f04ba3bfc134b70754a
|serverhash=a4029c808cef57bed3228a51dcb7f68edd018a77
|prevparent=1.12.2
|prev=18w03b
|next=18w06a
|nextparent=1.13.1
}}<onlyinclude>

'''18w05a''' is the sixteenth [[Minecraft:snapshot]] for [[Minecraft:Java Edition 1.13]], released on January 31, 2018,<ref>{{snap|18w05a|January 31, 2018}}</ref> which fixes bugs.

Although this is the first snapshot to be released after the decision was made to include the [[Minecraft:Update Aquatic]] features in 1.13, this snapshot did not contain any Update Aquatic features.

== Additions ==
=== Command format ===
'''General'''
* Basic entity selector suggestions in the command UI.
* A warning now is logged for ambiguous commands.

'''{{cmd|bossbar}}'''
* {{cmd|bossbar create <id> <name>}} creates a boss bar.
** <code>id</code> is used to target the boss bar and is in the form <code>namespace:name</code>, for example: <code>foo:bar</code>. If no <code>namespace</code> is specified it defaults to <code>minecraft</code>.
** <code>name</code> is the display name of the boss bar and only accepts a JSON text component.
** Examples:
*** {{cmd|bossbar create example:test "Hello World"}}
*** {{cmd|bossbar create hello:world {"text":"Foo Bar","color":"red","bold":true} }}
* {{cmd|bossbar set <id> name <name>}} changes the display name of the boss bar.
* {{cmd|bossbar set <id> color (blue{{!}}green{{!}}pink{{!}}purple{{!}}red{{!}}white{{!}}yellow)}} changes the color of the text (if no color was specified as part of a text component) and the boss bar, defaults to <code>white</code>.
* {{cmd|bossbar set <id> style (notched_10{{!}}notched_12{{!}}notched_20{{!}}notched_6{{!}}progress)}} changes the style of the boss bar, defaults to <code>progress</code>.
** <code>notched</code> sets the amount of segments.
** <code>progress</code> sets the amount of segments to 1.
* {{cmd|bossbar set <id> value <value>}} changes the current value of the boss bar, defaults to <code>0</code>.
* {{cmd|bossbar set <id> max <max>}} changes the maximum value of the boss bar, defaults to <code>100</code>.
* {{cmd|bossbar set <id> visible <visible>}} changes the visibility of the boss bar, defaults to <code>true</code>
* {{cmd|bossbar set <id> players <players>}} changes which players can see the boss bar, defaults to none.
* {{cmd|bossbar remove <id>}} removes the boss bar.
* {{cmd|bossbar list}} displays a list of created boss bars.
* {{cmd|bossbar get <id> (max{{!}}players{{!}}value{{!}}visible)}} return the resquested setting as a <code>result</code> of the command.

'''{{cmd|execute store}} '''
* New subcommand: {{cmd|execute store (result{{!}}success) bossbar <id> (value{{!}}max) <chained command>}}.
** Stores the <code>result</code> or <code>success</code> in the boss bar's <code>value</code> or <code>max</code> setting.

== Changes ==
=== General ===
'''[[Minecraft:Crowdin]]'''
* Updated translations.

== Fixes ==
{{fixes|fixedin=18w05a|prefix=Minecraft
|; old
|2399|Transparent blocks visually use the brighter light level that they are next to.
|4923|Flint and steel and fire charges can place fire at invalid positions.
|5037|Riding a pig/horse with a cape causes it to not behave as expected.
|8471|Blocks cannot be placed on a block the player is next to.
|55710|Relative tp from a vehicle applies dismount offset.
|57332|Number arguments in command have all int limitation.
|58556|Breaking a block being moved by a piston creates missing texture particles.
|60117|Upper slabs can't be placed when standing on a lower slab 2 blocks below.
|64919|Players can place a block through T-intersection glass panes, iron bars, and fences when standing inside of the hitbox.
|65774|Landing particles not showing when landing on skulls.
|88674|Growing cactus placed on blocks other than (red) sand drops two cacti instead of breaking.
|89634|Spreadplayers favor the negative coordinates.
|105591|Flint and Steel loses durability and fire charge is used up even if no fire was placed.
|120296|{{key|F3}} + {{key|T}} doesn't reload the data in <code>pack.mcmeta</code>
|; dev
|123460|JSON parsing exceptions thrown during parsing of pack.mcmeta of data and resource packs are not caught properly.
|124048|Tab completing advancement (any?) key with trailing space errors.
|124056|The members/target/targets argument of {{cmd|scoreboard}} and {{cmd|team}} does not tab-complete player names.
|; previous
|124360|OS locale is used for {{cmd|data get}} feedback text when specifying the scale argument.
|124379|datapacks load functions unreliably.
|124384|Trigger objectives are enabled by default.
|124499|Missing command feedback for successfully triggering trigger.
|124616|{{cmd|setidletimeout}} suggests it is in seconds while the behavior is in minutes.
}}</onlyinclude>

== Videos ==
{{slicedlime|C0LgS9fyoac}}

== Trivia ==
* This is the last version to have the [[Minecraft:Old Customized]] world type.

== Gallery ==
<gallery>
Java Edition 18w05a.png|Terrain in this version.
</gallery>

== References ==
{{reflist}}

== Navigation ==
{{Navbox Java Edition versions|1.1x}}

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Minecraft:Java Edition 18w05a - Revision history

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