Tritium
An all-in-one optimization module dedicated to optimizing client-side rendering and server-side stability and fluency.
- Loaders
- FabricNeoForgeForgeQuilt
- Downloads on Modrinth
- 163K
- Followers on Modrinth
- 32
- versions
- 77
- Updated
- February 12, 2026Feb 12
- Published
- in 2025
At a glance
Works both in the game and on the server — install where you need it

An all-in-one optimization mod dedicated to improving client-side rendering performance and server-side stability. This project is actively under development. Track progress at the TODO List.
Features
- [All Versions] Fast Language Switching: Dramatically speeds up language switching by intercepting resource bundle reloading
- [Forge Only] Fast Event System: Replaces generated classes with lambda constructors to accelerate event listener construction
- [All Versions] Leaf Culling: Ports OptiFine's smart foliage rendering options
- [All Versions] Entity Stacking Optimization: Merges nearby dropped items and experience orbs when entity density is high, similar to Spigot's optimization
- [All Versions] Chest Rendering Optimization: Replaces dynamic chest models with static block geometry (removes opening animations for better performance)
- [All Versions] Distant Entity Tick Reduction: Stops ticking entities and fluids that are far from the player
- [All Versions] Dynamic FPS: Automatically reduces framerate when the game window is unfocused (1 FPS) or minimized (pauses rendering)
- [All Versions] Memory Leak Fixes: Resolves various memory leaks that could cause crashes during extended gameplay
- [All Versions] GL Error Suppression: Eliminates spurious GL error log spam
- [All Versions] GPU Plus: Fixes video memory leaks and introduces new OpenGL 4+ features
- [Forge Only] Asynchronous World Saving: Makes world saving asynchronous to significantly improve save performance
- [Forge Only] Tech Mod Optimization: Improves performance of technical mods (e.g., GregTech, SFM, AE2), especially beneficial for tech-focused modpacks like ATM9
- [Select Versions] Vanilla Bug Fixes: Fixes vanilla bugs and backports fixes from newer versions
Supported Minecraft Versions
| Mod Loader | Supported Versions |
|---|---|
| NeoForge | 1.20.1, 1.21, 1.21.1 |
| Forge | 1.13.2, 1.19, 1.19.1, 1.19.2, 1.20, 1.20.1, 1.21, 1.21.1 |
| Fabric | 1.19, 1.19.1, 1.19.2, 1.20, 1.20.1, 1.21, 1.21.1 |
| Quilt | 1.19, 1.19.1, 1.19.2, 1.20, 1.20.1, 1.21 |
| Rift | 1.13.2 |
| Legacy Fabric | 1.13.x |
| Ornithe | 1.13.x |
Note: Available features vary by Minecraft version.
Update Policy: NeoForge and Fabric versions will be updated to support future Minecraft releases. Forge support will remain at 1.21.1 .
Dependencies
Install the required dependencies for your mod loader before installing Tritium:
| Mod Loader | Required Dependencies |
|---|---|
| NeoForge | Cloth Config |
| Forge | Cloth Config, Modern Mixins(Only 1.13.2) |
| Fabric | Cloth Config, ModMenu |
| Quilt | Cloth Config, ModMenu, QFAPI |
| Rift | Modern Mixins |
Bug Reports
If you encounter bugs or unexpected behavior, please submit an Issue with:
- A clear description of the problem
- Crash logs (if applicable)
- Steps to reproduce the issue
Contributing
Contributions are welcome! If you have ideas for improvements or new features, feel free to submit a pull request.
If you find this project helpful, please consider starring the repository. Your support is greatly appreciated!
Contributors
FAQ
How to install Tritium?
Install Fabric for your Minecraft version, download Tritium for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does Tritium support?
Tritium has builds for Minecraft 1.13–1.13.2, 1.19–1.20.1, 1.21–1.21.4, 1.21.6–1.21.8.
Is Tritium needed on the server?
Works on either side — install it in the game, on the server, or both
