1.4.0 - Lightmap Calculation Optimization is a release file of the Minecraft shader Author87668's LIGHT Shaders, made for Minecraft 1.16.3, 1.13.1, 1.9.3, 1.8.7, 1.17.1, 1.9.1, 1.21, 1.16.1, 1.18.1, 1.14.3, 1.15, 1.16 and more. It was published on April 5, 2026 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Author87668's LIGHT Shaders shader page.
How to install: Put the .zip into .minecraft/shaderpacks (do not extract it) and select it under Options → Video Settings → Shader Packs. Needs Iris or OptiFine.
