v1.3.0 is a release file of the Minecraft shader Grindstone, made for Minecraft 1.21.2-Snapshot, 1.21, 1.21.6-snapshot, 1.20.2-Snapshot, 1.20.5-Snapshot, 1.21.1-Snapshot, 1.20.2, 1.21.8, 1.20.5, 1.21.5, 1.21.4, 1.21.5-Snapshot and more. It was published on August 25, 2025 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Grindstone 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.