OPAL v1.2.1 is a beta file of the Minecraft shader OPAL Shaders, made for Minecraft 26.1, 26.2, 26.3. It was published on September 27, 2026 and is 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 OPAL 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.
