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Release Java Edition Bug-fix update Patch of 1.12 World of Color

Minecraft 1.12.1

Released on 3 August 2017, Minecraft Java Edition 1.12.1 is a small bug-fix update for World of Color (1.12). It fixes a multiplayer security issue with the recipe book, makes some optimisations and updates the game credits.

Released 03 Aug 2017
Are my mods ready?

Key takeaways

  • Security: 1.12.1 fixes a multiplayer security issue linked to the recipe book (MC-119011).
  • Credits: the game credits were updated and can be opened by clicking the copyright text on the title screen.
  • No new content: World of Color is unchanged, while Mojang worked on 1.13, a technical update.

What changed

FixesMC-119011: a private security issue with the recipe book in multiplayer.
FixesMC-86016: some Mojang staff were not mentioned in credits.txt.
PerformanceSome optimisations.
InterfaceUpdated game credits, shown by clicking the copyright information on the title screen.

Source: official Java Edition 1.12.1 changelog

Mods & loaders for 1.12.1

Mods must be rebuilt for each version. Counts from the files published on Modrinth and CurseForge, in our catalog.

LoaderMods with a 1.12.1 fileLatest build
Fabric2·
NeoForge7·
Forge2714.22.1.2478
Quilt2·
Shader loadersShaders with a 1.12.1 fileLatest build
Iris42·
OptiFine39·
Popular mods Just Enough Items (JEI) · AvailableOptiFine · Available
120 mods in our catalog have a 1.12.1 file →

62 texture packs and 35 maps in our catalog support 1.12.1.

How to play 1.12.1

  1. 01

    Open the Minecraft Launcher and select Minecraft: Java Edition.

  2. 02

    Go to Installations, create a new installation and choose version 1.12.1.

  3. 03

    Back up your worlds before opening them in a new version.

From first snapshot to release

1 snapshots, 1 pre-releases and 0 release candidates over 2 days.

  1. 17w31a01 Aug 2017
  2. 1.12.1-pre102 Aug 2017
  3. 1.12.103 Aug 2017
All 2 test builds →

Minecraft 1.12.1 FAQ

When was Minecraft 1.12.1 released?

On 3 August 2017, eight weeks after 1.12 World of Color (7 June 2017). 1.12.2 followed on 18 September 2017.

What does Minecraft 1.12.1 fix?

A multiplayer security issue with the recipe book (MC-119011) and missing names in the credits (MC-86016). It also includes some optimisations.

Should I update from 1.12 to 1.12.1?

Yes, especially on a server, because of the security fix. 1.12.2 later fixed another multiplayer exploit, so it is the better choice today.