rtx_shader.zip is a release file of the Minecraft shader Basic RTX 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 August 12, 2026 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Basic RTX 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.
