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<p><b>New page</b></p><div>{{Infobox version<br />
| title = Minecraft 1.21.1 Release Candidate 1<br />
| image = 1.21.1-rc1.jpg<br />
| image2 = Java Edition 1.21.1 Release Candidate 1.png<br />
| edition = Java<br />
| type = Release candidate<br />
| date = August 7, 2024<br />
| jsonhash = 4b60e080ee60e12408ea248cc494a37f6996d766 |jsonfile=1.21.1-rc1<br />
| clienthash = ef1af29241ac595ddb545a98964e59643a5449d5<br />
| clientmap = 48849b49e6e41b387b6244e04b0b42be1bcfdbf1<br />
| serverhash = e56720aba46f7f07238c4c054a160fc942da9f78<br />
| servermap = cb4cd0c731c91a37c7e3051945bd4f3f18791134<br />
| parent = 1.21.1<br />
| prevparent = 1.21<br />
| prev = <br />
| next = 1.21.2<br />
| nextparent = <br />
}}<onlyinclude><br />
<br />
'''1.21.1 Release Candidate 1''' (known as '''1.21.1-rc1''' in the [[Minecraft:launcher]]) is the first and only [[Minecraft:release candidate]] for [[Minecraft:Java Edition 1.21.1]], released on August 7, 2024,<ref name="mcnet">{{cite|url=https://www.minecraft.net/en-us/article/minecraft-1-21-1-release-candidate-1|title=Minecraft 1.21.1 Release Candidate 1|date=August 7, 2024|website=Minecraft.net}}</ref> which fixes two critical exploits including update suppression and adds two new [[Minecraft:language]]s.<br />
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== Additions ==<br />
=== General ===<br />
'''[[Minecraft:Language]]s'''<br />
* Added support for [[Minecraft:w:Tzotzil language|Tzotzil]] and [[Minecraft:w:Belarusian Latin alphabet|Belarusian (Latin)]] languages.<br />
<br />
== Fixes ==<br />
'''Private issues'''<br />
* Fixed block entity swap based [[Minecraft:update suppression]] as shown in [https://youtu.be/77M8Adnxmsw this video].<br />
* Fixed an exploit which allows modified clients to crash the server by requesting command completion for a malicious target selector input, causing a crash due to stack exhaustion.</onlyinclude><br />
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== Videos ==<br />
{{slicedlime|jPlXRGcHsIA}}<br />
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== References ==<br />
{{reflist}}<br />
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== Navigation ==<br />
{{Navbox Java Edition versions|1.2x}}<br />
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[[Minecraft:es:Java Edition 1.21.1 Release Candidate 1]]<br />
[[Minecraft:fr:Édition Java 1.21.1 Release Candidate 1]]<br />
[[Minecraft:ja:Java Edition 1.21.1 Release Candidate 1]]<br />
[[Minecraft:lzh:爪哇版一點二一點一之候一]]<br />
[[Minecraft:pt:Edição Java 1.21.1 Release Candidate 1]]<br />
[[Minecraft:ru:1.21.1 Release Candidate 1 (Java Edition)]]<br />
[[Minecraft:uk:1.21.1 Release Candidate 1 (Java Edition)]]<br />
[[Minecraft:zh:Java版1.21.1-rc1]]</div>
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