Beta 0.4 Patch 4 is a beta file of the Minecraft shader Phoxel PT, made for Minecraft 1.21, 1.20.5, 1.20.5-Snapshot, 1.21.1-Snapshot, 1.20.6, 1.20.4, 1.21-Snapshot, 1.21.1. It was published on August 13, 2024 and is 2.6 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 Phoxel PT 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.