Not an actual issue! Feel free to close.

The fix for sodium/iris was added in the 1.19 update. However, I'm not observing any incompatibility with 1.18.2 even just with a simple dependency swap (willing to be proven wrong and I'll make a more proper PR to a hypothetical 1.18 branch). Here's the build just in case anyone needs it: fogbox-1.2.0.jar.zip

Please do not request any official support for unpublished/unofficial builds!

EDIT: irrelevant while #6 is open, as fogbox+sodium shows vanilla fog on 1.19 rn