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Java Edition 1.17 Release Candidate 2

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This page covers a development version that has a major issue under certain conditions.
 
The dedicated server for this version has a security vulnerability in the Log4j library that could be used to perform a remote code execution exploit. It can be addressed by appending a certain JVM argument to the server startup command line.[1]
Minecraft 1.17 Release Candidate 2
Edition Java Edition
Release date June 7, 2021
Type Release Candidate
Release candidate for 1.17
Downloads Client (.json)
Server
Data pack[note 1]
Obfuscation maps Client
Server
Protocol version  dec1073741859
 hex40000023
Data version 2723
Resource pack format 7
Data pack format 7
Minimum Java version Java SE 16
β—„β—„  1.16.5 1.17 1.17.1 β–Ίβ–Ί

β—„  1.17 Release Candidate 1

1.17 Release Candidate 2
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1.17 Release Candidate 2 (known as 1.17-rc2 in the launcher) is the second and final release candidate for Java Edition 1.17, released on June 7, 2021,[2] which fixes bugs and crashes.

Changes

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  • Authlib was updated from 2.2.30 to 2.3.31.
  • Legacy skin handling now has improved skin validation.
  • The spawn egg dispenser behavior now catches any exceptions that could be thrown when spawning the entity.

Fixes

[edit | edit source]

2 issues fixed

Other

  • 2 private issues were fixed.[3]

Videos

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Video made by slicedlime:

Notes

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  1. ↑ Re-enables features set to release for 1.18.

References

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Navigation

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