Java Edition 1.21.11 Release Candidate 2

Minecraft 1.21.11 Release Candidate 2

1.21.11-rc2.jpg: Infobox image for Minecraftversion Minecraft 1.21.11 Release Candidate 2
Java Edition 1.21.11 Release Candidate 2.png: Infobox image for Minecraftversion Minecraft 1.21.11 Release Candidate 2

1.21.11-rc2.jpg: Infobox image for Minecraftversion Minecraft 1.21.11 Release Candidate 2
Java Edition 1.21.11 Release Candidate 2 Unobfuscated.png: Infobox image for Minecraftversion Minecraft 1.21.11 Release Candidate 2

Edition

Java Edition

Release date

December 5, 2025

Type

Release Candidate

Release Candidate for

1.21.11

Downloads

Client
Obfuscated (.json)
Unobfuscated (.zip)[note 1]
Server
Obfuscated
Unobfuscated

Obfuscation maps

Client
Server

Protocol version

 dec1073742109
 hex4000011D

Data version

4669

Resource pack format

75.0

Data pack format

94.1

Minimum Java version

Java SE 21


1.21.11 Release Candidate 2 (known as 1.21.11-rc2 in the launcher) is the second release candidate for Java Edition 1.21.11, released on December 5, 2025, which fixes a crash.[1]

A separate unobfuscated version of 1.21.11 Release Candidate 2 was released, titled 1.21.11 Release Candidate 2 Unobfuscated (or 1.21.11-rc2_unobfuscated when in the launcher). This is an experimental version released in preparation for obfuscation being removed from Java Edition clients and servers.[2]

Fixes

  • Fixed a crash issue affecting some players.
    • Fixed by adding safety checks for block and chunk positions while generating or loading terrain.[3]

Videos

Video made by Slicedlime:

Notes

  1. The contents of the ZIP file should be extracted to the File directory.png: Sprite image for directory in Minecraft .minecraft/versions directory in order to install this version.

References

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