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Lithium

Lithium

No-compromises game logic optimization mod. Well suited for clients and servers of all kinds. Now available for Fabric and NeoForge!

33.37M
15.4k
Optimization

Compatibility

Minecraft: Java Edition

1.21.x
1.20.x
1.19.x
1.18.x
1.17.x
1.16.2–1.16.5

Platforms

Fabric
NeoForge
Quilt

Supported environments

Client-side
Server-side
Client and server

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Links

Report issues View source Join Discord server
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Creators

CaffeineMC
CaffeineMCOrganization

jellysquid3
jellysquid3 Original Author
2No2Name
2No2Name Project Lead

Details

Licensed LGPL-3.0-only
Published 4 years ago
Updated last week
DescriptionChangelogVersions

Show all versions

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Lithium 0.17.0 for Neoforge

by 2No2Name on Jun 17, 2025
Download

Lithium 0.17.0 for Fabric

by 2No2Name on Jun 17, 2025
Download

Lithium 0.17.0 is the first release for Minecraft 1.21.6.

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.

Lithium 0.16.3 for Fabric

by 2No2Name on Jun 16, 2025
Download

Lithium 0.16.3 for Neoforge

by 2No2Name on Jun 16, 2025
Download

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

Lithium 0.16.2 for Fabric

by 2No2Name on Apr 9, 2025
Download

Lithium 0.16.2 for Neoforge

by 2No2Name on Apr 9, 2025
Download

Lithium 0.16.2 for Minecraft 1.21.5 fixes a few issues with experimental settings.

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

  • Fix various issues and mod compatibility problems with experimental client brain optimization

Additions

  • Experimental client biome particle spawning optimization
  • Experimental client entity ticking optimizations

Lithium 0.15.3 for Neoforge

by 2No2Name on Apr 9, 2025
Download

Lithium 0.15.3 for Fabric

by 2No2Name on Apr 9, 2025
Download

Lithium 0.15.3 for Minecraft 1.21.4 fixes a few issues with experimental settings.

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

  • Fix various issues and mod compatibility problems with experimental client brain optimization

Additions

  • Experimental client biome particle spawning optimization
  • Experimental client entity ticking optimizations

Lithium 0.16.1 for Neoforge

by 2No2Name on Apr 6, 2025
Download

Lithium 0.16.1 for Fabric

by 2No2Name on Apr 6, 2025
Download

Lithium 0.16.1 for Minecraft 1.21.5 fixes a client crash on neoforge and adds a new feature.

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

  • Neoforge client crash when joining a server

Additions

  • Skip creating brains on the client side

Lithium 0.15.2 for Fabric

by 2No2Name on Apr 6, 2025
Download

Lithium 0.15.2 for Neoforge

by 2No2Name on Apr 6, 2025
Download

Lithium 0.15.2 for Minecraft 1.21.4 fixes a client crash on neoforge and adds a new feature.

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

  • Neoforge client crash when joining a server

Additions

  • Skip creating brains on the client side

Lithium 0.16.0 for Neoforge

by 2No2Name on Mar 25, 2025
Download

Lithium 0.16.0 for Fabric

by 2No2Name on Mar 25, 2025
Download

Lithium 0.16.0 is the first release for Minecraft 1.21.5.

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.

Changes

  • Update to 1.21.5
  • Migrate tests to vanilla redstone test system

Lithium 0.15.1 for Fabric

by 2No2Name on Mar 22, 2025
Download

Lithium 0.15.1 for Neoforge

by 2No2Name on Mar 22, 2025
Download

Lithium 0.15.1 for Minecraft 1.21.4 includes a few bug fixes.

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

  • Include Warden and Creaking in cramming optimization

Fixes

  • Fix entity explosion exposure optimization not using the entity collision context
  • Fix initialization of cached block info not working on neoforge

Lithium 0.15.0 for Neoforge

by 2No2Name on Mar 10, 2025
Download

Lithium 0.15.0 for Fabric

by 2No2Name on Mar 10, 2025
Download

Lithium 0.15.0 for Minecraft 1.21.4 includes new optimizations and several bug fixes, including better compatibility with neoforge inventories.

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

  • explosion entity raycast optimizations (Thanks to RacoonDog)
  • Optimize projectile entity collisions attempts with uncollidable entities
  • Sleeping crafter block entity

Fixes

  • Fix crash with Create Pondering when entities are pushed by fluids
  • Fix crash when placing a block at build limit in the end and attempting to spawn a dragon
  • Fix hoppers sleeping even though interaction with neoforge API block inventories is possible
  • Fix sleeping hoppers woken up by moving item entities even if blocked with a full block
  • Fix broken state of ChunkAwareBlockCollisionSweeper in entity nether portal positioning optimization and with TIS-Carpet

Lithium 0.15.0 for Neoforge

by 2No2Name on Mar 10, 2025
Download

Lithium 0.15.0 for Fabric

by 2No2Name on Mar 10, 2025
Download

Lithium 0.15.0 for Minecraft 1.21.1 includes new optimizations and several bug fixes, including better compatibility with neoforge inventories.

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

  • explosion entity raycast optimizations (Thanks to RacoonDog)
  • Sleeping crafter block entity

Fixes

  • Fix crash with Create Pondering when entities are pushed by fluids
  • Fix crash when placing a block at build limit in the end and attempting to spawn a dragon
  • Fix hoppers sleeping even though interaction with neoforge API block inventories is possible
  • Fix sleeping hoppers woken up by moving item entities even if blocked with a full block
  • Fix broken state of ChunkAwareBlockCollisionSweeper in entity nether portal positioning optimization and with TIS-Carpet
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