Lithium 0.20.1 for Minecraft 1.21.10 includes mod compatibility improvements and a bugfix.
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
- Minor improvement to explosion optimization (Thanks to jcw780)
- Re-enable cached sea level optimization
- Compatibility with NeoForge chunk access during chunk loading
- Improved compatibility with mods that create entities for outside-world display purposes
Fixes
- Detect removal of double inventories hoppers interact with correctly
Lithium 0.19.2 for Minecraft 1.21.9 fixes a crash on neoforge.
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 hopper mixin apply failure on neoforge
Lithium 0.20.0 is the first release for Minecraft 1.21.10.
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 0.19.1 for Minecraft 1.21.9 fixes a visual issue.
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 explosion optimization reducing visual explosion size
Lithium 0.19.0 is the first release for Minecraft 1.21.9.
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
- Remove incompatible chunk saving optimization
Lithium 0.18.1 for Minecraft 1.21.8 adds several new optimizations.
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
- Optimize piglin/hoglin repellent and turtle egg searches (Thanks to jcw780)
- Optimize random ticking
- Optimize precipitation
Changes
- Re-enable previously broken inline world height optimization
Fixes
- Fix missing initialization of block counting in empty sections
- Fix compatibility issue that convert client side mobs to nbt
- Fix incorrect section y coordinates used in experimental optimization (Thanks to jcw780)
Lithium 0.18.0 is the first release for Minecraft 1.21.8.
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 0.18.0 is the first release for Minecraft 1.21.7.
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 0.17.0 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 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




