Miasma - A1.0.0 is an alpha file of the Minecraft shader Miasma, made for Minecraft 1.21.2-Snapshot, 1.21, 1.21.6-snapshot, 1.21.5, 1.21.8, 1.21.1-Snapshot, 1.21.9, 1.21.10, 1.21.4, 1.21.5-Snapshot, 1.21-Snapshot, 1.21.3 and more. It was published on October 25, 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 Miasma 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.
