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Java Edition 1.12.1-pre1

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Minecraft 1.12.1-pre1
17w31a.png
Edition

Java Edition

Type

Pre-release

Release date

August 2, 2017

Pre-release for

1.12.1

Download

Client (.json)
Server

Protocol version

337

Data version

1240

1.12.1-pre1[1] is the pre-release for Java Edition 1.12.1, which includes minor optimizations.

Fixes[edit]

2 issues fixed
From released versions before 1.12.1
  • MC-117087Class.getSimpleName performance issue with large number of block entities
From the 1.12.1 development versions
  • MC-119840 – Diamonds get moved into crafting slots on any chat message

Video[edit]

Video made by slicedlime:

Trivia[edit]

  • 1.12.1-pre1 was previously removed from the launcher for some time, but was added back in September 2018.

References[edit]

  1. "Minecraft Pre-release 1.12.1-pre1" – Minecraft.net, August 2, 2017