https://wiki.sasgaming.net/index.php?action=history&feed=atom&title=Minecraft%3AJava_Edition_12w39bMinecraft:Java Edition 12w39b - Revision history2026-06-11T01:31:33ZRevision history for this page on the wikiMediaWiki 1.43.8https://wiki.sasgaming.net/index.php?title=Minecraft:Java_Edition_12w39b&diff=140981&oldid=prevSyncBot: Sync: new page from Minecraft2026-06-10T11:10:08Z<p>Sync: new page from Minecraft</p>
<p><b>New page</b></p><div>{{Infobox version<br />
|title=Minecraft 12w39b<br />
|image=SP 12w39a image.png<br />
|image2=Java Edition 12w39b.png<br />
|edition=java<br />
|type=Snapshot<br />
|parent=1.4.2<br />
|date=September 28, 2012<br />
|clientdl=[https://vault.omniarchive.uk/archive/java/client-release/1.4/pre/12w39b.jar Client] ([https://meta.celestia.sh/versions/v1/12w39b.json .json])<br />
|serverdl=[https://vault.omniarchive.uk/archive/java/server-release/1.4/pre/12w39b.jar Server]<br />
|exedl=[https://vault.omniarchive.uk/archive/java/server-release/1.4/pre/12w39b.exe .exe]<br />
[[Category:Versions using legacy download site]]<br />
|prevparent=1.3.2<br />
|prev=12w39a<br />
|next=12w40a<br />
|nextparent=1.4.4<br />
}}<onlyinclude><br />
<br />
'''12w39b''' is the ninth [[Minecraft:snapshot]] for [[Minecraft:Java Edition 1.4.2]], released on September 28, 2012<ref>https://twitter.com/Dinnerbone/status/251683603593957376</ref> to fix some of the bugs and crashes in the [[Minecraft:12w39a]] snapshot.<br />
<br />
== Additions ==<br />
=== Blocks ===<br />
'''[[Minecraft:Mob spawner]]s'''<br />
* More options to customize spawners.<br />
* Can now have their range and maximum spawn limit customized.<br />
<br />
=== Items ===<br />
'''Custom [[Minecraft:potion]]s'''<br />
* Only available by editing in with a world editor.<br />
* Players can create potions with multiple effects.<br />
<br />
=== Command format ===<br />
'''{{cmd|xp}}'''<br />
* Added a command variable to the command.<br />
** Use <code>L</code> after number to represent number of levels, not number of xp.<br />
<br />
'''[[Minecraft:Target selector]]s'''<br />
* Added command block arguments.<br />
** Added <code>l</code> and <code>lm</code> arguments for indicating players with a maximum level, and minimum level, respectively.<br />
** Added <code>rm</code> argument for indicating the minimum range to which players are affected.<br />
<br />
== Fixes ==<br />
'''7 bugs fixed'''<br />
* Fixed block placement issues with lighting.<ref>{{tweet|dinnerbone|251685433568800768}}</ref><br />
* Game performance is now better from before.<br />
* Fixed "Bottomless Pit" preset.<br />
* Jack o' lantern emitting stronger light from the wrong face fixed.<br />
* Fixed the witch's texture being weird.<br />
* Partially fixed Nether lag by making the server do some of what used to be the client's work and increasing chunk load time slightly.<ref>{{tweet|dinnerbone|251623433505476608}}</ref><br />
* Fixed some lighting bugs related to upside down slabs and stairs and farmland.</onlyinclude><br />
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== References ==<br />
{{reflist}}<br />
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== Navigation ==<br />
{{Navbox Java Edition versions|1.0}}<br />
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[[Category:Java Edition 1.4.2 development versions]]<br />
[[Category:Java Edition development versions released in 2012]]<br />
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