Is there an existing issue for this?

• I have searched the existing issues

Expected Behavior

load xd

Steps To Reproduce

also affect 1.18.10 loader

Behavior difference

OptiGUI documentation

Anything else

No response

Welp
Seems like quilt hasn't updated it's fabricloader implementation yet
I'll probably need to downgrade it (again), which should be easy (java foreshadowing)