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Java Edition 1.15.1 Pre-release 1

Minecraft Wiki article. Categories: Java_Edition_development_versions_with_vulnerabilities, Java_Edition_versions, Java_Edition_1.15.1_pre-releases, Java_Edition_pre-releases_released_in_2019, Java_Edition_pre-releases, Pages_with_YouTube_videos

📌 Mirrored from Minecraft Wiki

This article is reproduced from Java Edition 1.15.1 Pre-release 1 on the Minecraft Wiki. Mirrored from revision 3685938. 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.

On this page
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 1.15.1 Pre-release 1
1.15.1-pre1.jpg: Infobox image for Minecraft version 'Minecraft 1.15.1 Pre-release 1'
Java Edition 1.15.1 Pre-release 1.png: Infobox image for Minecraft version 'Minecraft 1.15.1 Pre-release 1'
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1.15.1 Pre-release 1 (known as 1.15.1-pre1 in the launcher) is the first and only pre-release for Java Edition 1.15.1, released on December 12, 2019. This is the final pre-release released in 2019, as well as the 2010s decade.[2]

Changes

General

Network handling

  • Improved network handling of invalid biome IDs.

Performance

  • Optimized chunk rendering performance, especially for chunks with many different block states.

Fixes

5 issues fixed

From released versions before 1.15

  • MC-135050 – NullPointerException while tesselating block model.

From 1.15

  • MC-167482 – Corrupt chunk causes force upgrading a world to fail.
  • MC-167530 – Anvils causing java.lang.StackOverflowError.

Other

  • Fixed an error that was spammed to the game's log files caused by custom monster spawners spawning villagers.
  • Fixed a crash that occurred in the Realms screen.

Videos

Video made by slicedlime:

Trivia

  • 1.15.1-pre1 is the last pre-release to be released in 2019 and the 2010s decade.

References

  1. ↑ "Important Message: Security vulnerability in Java Edition" – Minecraft.net, December 10, 2021.
  2. ↑ "Minecraft 1.15.1 Pre-Release 1" – Minecraft.net, December 12, 2019.

Sources