Chromalume-universal is a release file of the Minecraft shader Chromalume Shader, made for Minecraft 1.17.1, 1.21.2-Snapshot, 1.21, 1.21.6-snapshot, 1.18.1, 1.20.2-Snapshot, 1.20.5-Snapshot, 1.19-Snapshot, 1.21.1-Snapshot, 1.16.5, 1.19.3, 1.20.2 and more. It was published on October 25, 2026 and is 0.3 MB in size. For the full description, screenshots and every other version, visit the Chromalume Shader 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.