Java Edition 1.15.1 Pre-release 1

Minecraft 1.15.1 Pre-release 1
1.15.1-pre1.jpg: Infobox image for Minecraft 1.15.1 Pre-release 1 the version in Minecraft
Java Edition 1.15.1 Pre-release 1.png: Infobox image for Minecraft 1.15.1 Pre-release 1 the version in Minecraft
Edition

Java Edition

Release date

December 12, 2019

Type

Pre-release

Pre-release for

1.15.1

Downloads

Client (.json)
Server

Obfuscation maps

Client
Server

Protocol version

574

Data version

2226

Resource pack format

5

Data pack format

5

Minimum Java version

Java SE 8

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.[1]

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-135050NullPointerException 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.

Video

Video made by Slicedlime:

Trivia

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

References

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