Outline_Shader_6.4.3a.zip is a beta file of the Minecraft shader Outline Shader, made for Minecraft 1.21, 1.21.8, 1.21.5, 1.21.4, 1.21.1, 1.21.6, 1.21.3, 1.21.7, 1.21.2, 1.21.9, 1.21.10, 1.21.11. It was published on January 21, 2026 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 Outline 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.
