LiteCoreX is a lightweight Fabric optimization mod for Minecraft 1.21.1 focused on safe, configurable performance improvements. It reduces client visual load, limits distant entity processing, applies optional FPS-focused vanilla settings, and performs conservative memory cleanup without replacing core game systems.
Features
- Client optimization: reduces particles, entity shadows, clouds, biome blending, entity render distance, and other expensive visual settings
- Entity optimization: limits ticking and rendering for distant low-priority entities such as dropped items and experience orbs
- Tick optimization: monitors server tick pressure and applies safe additive optimizations without replacing the vanilla tick loop
- Memory optimization: performs conservative cleanup during high memory pressure
- Configurable presets: enable or disable each module independently and choose Low, Medium, or High levels
- Max FPS mode: quickly applies the most aggressive safe settings for better performance
Configuration
Open the LiteCoreX menu in-game with:
Settings are saved to:
```text
config/litecorex.properties
