Java Edition 1.15.1

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This page covers a release version that has a critical 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
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
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

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Dolphin

General

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Performance

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

Network handling

  • Improved network handling of invalid biome IDs.

Fixes

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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.

Videos

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Video made by slicedlime:

References

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