Java Edition 1.15.1

This page covers a release version that has a critical issue under certain conditions.
 
The dedicated server for this version includes 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
1.15.1 banner.jpg: Infobox image for Minecraft 1.15.1 the version in Minecraft
Java Edition 1.15.1.png: Infobox image for Minecraft 1.15.1 the version in Minecraft
Edition

Java Edition

Release date

December 17, 2019

Development versions
Pre-releases (1)

Downloads

Client (.json)
Server

Obfuscation maps

Client
Server

Protocol version

575

Data version

2227

Resource pack format

5

Data pack format

5

Minimum Java version

Java SE 8

Other editions with a version "1.15.1":
 

1.15.1 is a minor update to Java Edition released on December 17, 2019,[2] which improves performance and fixes a few bugs in 1.15. This is the final version released in 2019.

Changes

Mobs

Dolphin

General

Performance

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

Network handling

  • Improved network handling of invalid biome IDs.

Fixes

10 issues fixed

From released versions before 1.15

  • MC-96174 – Highlighted slot darkening.
  • MC-126856 – When auto-jump is enabled, the game checks an incorrect block to decide whether the player should jump or not.
  • MC-135050NullPointerException while tessellating block model.
  • MC-150508 – Resource pack format was not incremented to 5.
  • MC-152516 – Dolphins can spawn in soul sand bubble columns.
  • MC-163571 – Walls are lit too dark when connecting to ice.

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.

Video

Video made by Slicedlime:

References

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