Shader doesn't appear to do anything on mac books

steps to reproduce
open iris on MacBook, load shader

Specifications if it has to do with performance or crashes

• Graphics Card: Unnamed 30-38 core gpu
• Minecraft Version: most recent
• Shader Version: Beta 0.3.0-0.4.0
• Shader Loader: Iris

-This was reported to me.

Turns out Mac stopped supporting openGL a while ago. And even less support for the required version of 4.2 to run the shader. Unfortunately not much I can do.