The Gamepedia and Fandom account systems have now been merged. If your username is incorrect, you have accounts on both platforms that weren't merged, or you have trouble signing in, please submit a support ticket.

Java Edition 1.15.1/Development versions

From Minecraft Wiki
Jump to: navigation, search

This is a list of Java Edition 1.15.1 development versions.

1.15.1 Pre-release 1

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 of the year.[1]



Network handling
  • Improved network handling of invalid biome IDs.
  • Optimized chunk rendering performance, especially for chunks with many different block states.


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.
  • 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.

Notes and references

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