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1.15.1 is a minor update to Java Edition released on December 17, 2019,[1] which improves performance and fixes a few bugs in 1.15. This was the final version to be released in 2019 and 2010s decade overall.

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 spawner blocks spawning villagers.
  • Fixed a crash that occurred in the Realms screen.

Video[]

Video made by slicedlime:

Trivia[]

  • 1.15.1 was the last full version to be released in 2019 and the 2010s decade.

References[]

  1. "Minecraft 1.15.1" – Minecraft.net, December 17, 2019
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