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MixinBooter

The Mixin Library for 1.8 - 1.12.2.
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MixinBooter 12.1

File namemixinbooter-12.1.jar
Uploader
CleanroomMCCleanroomMC
Uploaded
Oct 28, 2026
Downloads
1.0K
Size
2.4 MB
Mod Loaders
Forge
File ID
9356079
Type
R
Release
Supported game versions
  • 1.12.2
  • 1.12.1
  • 1.12
  • 1.11.2
  • 1.11.1
  • 1.11
  • 1.10.2
  • 1.10.1
  • 1.10
  • 1.9.4
  • 1.9.3
  • 1.9.2
  • 1.9.1
  • 1.9
  • 1.8.9
  • 1.8.8
  • 1.8.7
  • 1.8.6
  • 1.8.5
  • 1.8.4
  • 1.8.3
  • 1.8.2
  • 1.8.1
  • 1.8
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Curse Maven Snippet

Forge

implementation fg.deobf("curse.maven:mixin-booter-419286:9356079")

Learn more about Curse Maven

What's new

Added

  • Redirects for mods that use FermiumBooter's included MixinSquared, to use CleanMix 0.9.0's MixinEdits API

Fixed

  • ClassCircularityError when a coremod calls MixinExtrasBootstrap#init itself, MixinExtras is now bootstrapped before any other coremod loads

Changed

  • Mod discovery is about 4 times faster, after properly benchmarking & diagnostics
    • Skips more commonly shaded libraries, such as Minecraft, Forge, Netty and Apache's
    • Jars are scanned on up to 3 threads, one more for every 32 jars
    • Classpath jars are only scanned in the dev environment
  • fermiumbooter's @MixinConfig classes are found during mod discovery, so jars are no longer read a second time for them
  • Updated CleanMix to 0.9.0
  • Updated MixinExtras, fixes a method expectation mismatch

Full changelog between 12.0 and 12.1: https://github.com/CleanroomMC/MixinBooter/compare/12.0...12.1

All Relations

  • All Relations
  • Embedded Library
  • Optional Dependency
  • Required Dependency
  • Tool
  • Incompatible
  • Include

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