Java Edition 1.16.5 Release Candidate 1

Minecraft Wiki article. Categories: Java_Edition_development_versions_with_vulnerabilities, Java_Edition_versions, Java_Edition_1.16.5_release_candidates, Java_Edition_release_candidates_released_in_2021, Java_Edition_release_candidates, Pages_with_YouTube_videos

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This article is reproduced from Java Edition 1.16.5 Release Candidate 1 on the Minecraft Wiki. Mirrored from revision 3699441. It is licensed CC BY-NC-SA 3.0 by the Minecraft Wiki contributors — not under the Codex’s CC BY-SA 4.0, and it may not be used commercially. Edits belong upstream, not here.

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 1.16.5 Release Candidate 1
1.16.5-rc1.jpg: Infobox image for Minecraft version 'Minecraft 1.16.5 Release Candidate 1'
Java Edition 1.16.5 Release Candidate 1.png: Infobox image for Minecraft version 'Minecraft 1.16.5 Release Candidate 1'
Minecraft 1.16.5 Pre-release 1
Mistaken original version

1.16.5 Release Candidate 1 (known as 1.16.5-rc1 in the launcher) is the first and the only release candidate for Java Edition 1.16.5, released on January 13, 2021,[2] which addresses two critical stability issues. This is the first release candidate released in 2021.

This version was reuploaded around an hour later to change the version string from "1.16.5 Pre-release 1".

Fixes

4 issues fixed

From 1.16.3

  • MC-203337 – java.lang.IllegalStateException: POI data mismatch: already registered.[note 1]

From the current version, hotfixed

  • MC-211307 – 1.16.5 Release Candidate 1 is called 1.16.5 Pre-release 1 within the game.[note 2]

Other

  • Fixed two major stability issues.[note 1]

Videos

Video made by slicedlime:

Trivia

  • This is the first release candidate that was reuploaded since Java Edition RC2 on November 13, 2011.
  • This is the first time since development of 1.9 that a minor release has been in development during the snapshot phase of the following major release.
  • This version was released on the earliest calendar year out of all release candidates, on January 13.

Notes

  1. ↑ a b This fix occurred in the original upload of this version (1.16.5-pre1).
  2. ↑ This fix occurred in the reupload of this version (1.16.5-rc1).

References

Sources