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Lithium (Fabric/NeoForge)

An optimization mod for Minecraft which improves server performance significantly.
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Lithium mc26.3.x-0.26.3 for Fabric

File namelithium-fabric-0.26.3-mc26.3.jar
Uploader
2No2Name2No2Name
Uploaded
Oct 28, 2026
Downloads
40.1K
Size
898.3 KB
Mod Loaders
FabricQuilt
File ID
9357338
Type
R
Release
Supported game versions
  • 26.3
DownloadInstall Via App

Curse Maven Snippet

Fabric

modImplementation "curse.maven:lithium-360438:9357338"

Quilt

modImplementation "curse.maven:lithium-360438:9357338"

Learn more about Curse Maven

What's new

Lithium 0.26.3 for Minecraft 26.3.x fixes several issues.

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.

Fixes

  • Avoid caching chest inventories when the corresponding block state is a chest half
  • Fix removed player memory leak in MapItemSavedData when maps are in item frames. Also avoid sending unnecessary map data packets
  • Fix entity step up movement collision not including hard entities

This mod has no additional files