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# TrueLightFX v5.1 - Compatibility & Bugfix Update
This release brings full compatibility with Minecraft 1.20 through 1.21.2, addresses a critical rendering issue that made the player model look transparent, and optimizes performance presets.
## Features & Improvements
* **1.21+ Compatibility**: Fully updated block mappings for modern Minecraft versions (1.20 - 1.21.2).
* **New Animated Blocks**: Added waving animations to Cherry Leaves, Pale Oak Leaves, Dry Grass, Hanging Moss, and Moss Carpets.
* **Realistic Waving**: Adjusted waving speed and algorithms to be much more natural and realistic.
* **Updated Emissives**: Added support for Copper Bulbs, Trial Spawners, Vaults, Crafters, Creaking Hearts, and Resin Blocks.
## Performance
* **Shadow Map Optimization**: Optimized shadow map resolutions across performance profiles to improve FPS.
* **Low-End Optimization**: Disabled generated normals, specular, and emissive calculations on the *Minimum* profile for a significant FPS boost.
* **Vertex Math**: Streamlined waving calculations to reduce GPU overhead.
## Bug Fixes
* **Player Transparency**: Fixed the bug where the player model and held items would appear transparent/see-through in third-person view on land and near water.
* **Falling Speed Glitch**: Fixed waving speed accelerating when the player moves vertically or falls.
* **Copper Bulb Typo**: Fixed a block properties typo that prevented oxidized copper bulbs from glowing correctly.
* **Refraction Artifacts**: Fixed incorrect refraction masking affecting entity outlines.
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Thank you to everyone testing and supporting TrueLightFX! If you encounter any bugs, please report them on the Discord server.
