Minecraft Wiki
Register
Advertisement

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, the last pre-release of the year and decade overall.[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 spawner blocks spawning villagers.
  • Fixed a crash that occurred in the Realms screen.

Video[]

Video made by slicedlime:

Trivia[]

  • 1.15.1 Pre-Release 1 was the last pre-release in 2019 and the 2010s decade.

References[]

  1. "Minecraft 1.15.1 Pre-Release 1" – Minecraft.net, December 12, 2019
Advertisement