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{{Infobox version
|title=18w30a
|image =18w30a.jpg
|image2=Java Edition 18w30a.png
|edition=Java
|type=Snapshot
|date=July 25, 2018
|clienthash=d368609e838cb1b22e1e1e9eee8f83dbe4847909
|jsonhash=dc1939cbbccabdfa7c5a19bcad0109351d175f1e
|serverhash=4cfe675115064caad14712c3345660f4069a2e8b
|parent=1.13.1
|prevparent=1.13
|prev=
|next=18w30b
|nextparent=1.13.2
}}<onlyinclude>

'''18w30a''' is the first [[Minecraft:snapshot]] for [[Minecraft:Java Edition 1.13.1]], released on July 25, 2018,<ref name="18w30a">{{snap|18w30a|July 25, 2018}}</ref> which adds a search bar in the world list and a few other things, and fixes many bugs.

== Additions ==
'''[[Minecraft:Block]]s'''
* Re-added punch-to-explode [[Minecraft:TNT]] using the <code>unstable</code> state (instead of the <code>explode</code> state in 1.12).

'''[[Minecraft:Gameplay]]'''
* Added a search bar in the world list.

'''[[Minecraft:Debug screen]]'''
* Added {{keys|Control+F3+C}} to force a JVM crash, instead of a regular crash. However, with some keyboards it only triggers with right control.<ref>{{bug|MC-135509}}; per comments there, some keyboards do not allow pressing those keys at the same time (as they are in the same vertical column, presumably). http://keyboardchecker.com/ can be used to check.</ref>

== Fixes ==
{{fixes|fixedin=18w30a|prefix=Minecraft
|;From released versions before 1.13
|33383|Lag while taking screenshot with F2 in singleplayer.
|59517|TNT <code>explode{{=}}true</code> blockstate drops TNT item when fused by hit in survival mode.
|84005|Book and quill doesn't save changes when edited in offhand.
|88099|Slimes/Magma cube with NoAI-Tag still can damage the player.
|88356|Bow animation broken in off-hand in third person.
|119971|Various duplications, deletions, and data corruption at chunk boundaries, caused by loading outdated chunks — includes duping and deletion of entities/mobs, items in hoppers, and blocks moved by pistons, among other problems.
|124942|"Invalid book tag" is not translatable.
|;From 1.13
|122563|Disappearance of the old "punchable" TNT.
|122625|Order of contents of north- and east-facing double chests changed after update 1.12.2 -> 1.13.
|123806|Tab-completion/command suggestions only work for the final argument.
|124543|JSON-Text formatting in CustomNames of container blocks does not work.
|124681|Tab suggestion erroneously suggests second closing square bracket on entity selectors.
|124690|Successful {{cmd|bossbar set players}} doesn't give success message in chat.
|124808|Blocks don't pop off when their support blocks are moved by pistons.
|124917|Selector suggestions do not disappear after adding the closing bracket.
|125134|Server crashes while generating new chunks – <code>java.util.concurrent.ExecutionException</code>: We are asking a region for a chunk out of bound.
|125286|Block state suggester does not include '{{=}}' for first key.
|129754|Putting down lava freezes everything and then crashes the game when quitting.
|131029|Villager door detection range has changed.
|131462|Coordinate math error causes structure not to generate and possibly other issues.
|131678|Setblock property - block and setblock property - value are reversed in error messages.
|131868|Concrete powder next to waterlogged blocks is not converted to concrete.
|132663|Command blocks kick player when entering certain commands > 256 characters in multiplayer.
|132664|Obfuscated text uses same random character each frame for each input character.
|132898|Multiple layers of falling gravity blocks break.
|132703|Iron golems do not spawn in center of village.
|133251|Curse enchantments don't use red text.
|133260|Obfuscated text characterset limited to simple ASCII.
|133345|Some bolded obfuscated characters causes text to jitter
|133452|Copying, pasting, etc. still insert "c", "v", etc..
|133587|Deleting server format error.
|133715|Thrown tridents cannot be picked up after dying.
|133839|Crash when tp/at world border.
|133871|Waterlogged trapdoors do not update properly when opened.
|133894|Drowned don't drop items that they picked up as zombie then were converted.
|133905|Large oak trees generate without making block under stump dirt.
|133942|1.13 Release is called a snapshot when backing up world.
|133959|Credits don't appear when clicking "Copyright Mojang AB" in the title screen.
|133986|Non [a-z0-9/. _ -] character in path of location: <code>minecraft:EntityHorse</code>.
|133995|Transferring world from 1.12.2 to 1.13 isn't working.
|134166|Villager door detection order has changed.
|134297|Observers detect moved blocks late in 1.13.
|134298|Observers don't detect retracting sticky pistons.
|134300|Inconsistency with update order when pistons retract other pistons.
|134348|Crash while upgrading: <code>bkv{block{{=}}Block{minecraft:acacia_slab}, properties{{=}}[type, waterlogged]}</code> has no property: <code>half</code>.
|134414|Concrete powder falling onto sea grass just replaces it.
|134468|Map cloning recipe only yields 2 maps.
|134555|Sticky piston does not update gravity blocks
|134570|Door top half missing when updating to new version.
}}</onlyinclude>

== Videos ==
Video made by [[Minecraft:slicedlime]]:
{{yt|xFsUatVXnlU}}

== References ==
{{reflist}}

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

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Minecraft:Java Edition 18w30a - Revision history

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