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Lithium (Fabric/NeoForge)

An optimization mod for Minecraft which improves server performance significantly.

File Details
DownloadInstall

Lithium mc1.21.5-0.16.3 for Neoforge

By2No2Name
  • R
  • Jun 16, 2025
  • 750.27 KB
  • 20.5K
  • 1.21.5
  • NeoForge

File Name

lithium-neoforge-0.16.3+mc1.21.5.jar

Supported Versions

  • 1.21.5

Curse Maven Snippet

NeoForge

implementation "curse.maven:lithium-360438:6658793"
Curse Maven does not yet support mods that have disabled 3rd party sharing

Learn more about Curse Maven

Lithium 0.16.3 for Minecraft 1.21.5 includes two minor optimizations and a mod compatibility improvement.

Make sure to take a backup of your world before using the mod and please report any bugs and mod compatibility issues at the issue tracker. You can check the description of each optimization and how to disable it when encountering a problem.

Additions

  • Reintroduce expiring chunk ticket optimization
  • Chest animation sleeping optimization

Changes

  • Remove ponder mod compatibility workaround due to fix on their side

Fixes

  • Fix wrong position used in fluid flow calculations causing mod compatibility issues