Eclipse Shaders 1.0 is a beta file of the Minecraft shader Eclipse, made for Minecraft 1.19.3, 1.20.2, 1.21, 1.20.5, 1.21.5, 1.19.4, 1.21.8, 1.21.4, 1.19.2, 1.20.3, 1.20.1, 1.20 and more. It was published on August 16, 2025 and is 0.1 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Eclipse 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.