What happened?

Normally, with similar settings, I have 200 more FPS than with Insanity Shader, which is great! However, with the 'Timeless and Classic Gun' mod, I experience a drastic drop in FPS, sometimes even crashes.
Hysteria-Shaders-Universal-v1.2.1.zip.txt

Minecraft Version

1.20.1

Which shader mod are you using?

Iris

Shader mod version

Occulus 1.7.0

Shader settings

Best performance profile but with some modifications to the fog.

Relevant log output

No response

This is a known issue between Iris/Oculus and TacZ. The issue is on TacZ's end.

The issue and a solution can be found on the TacZ Github here: Link