[12:54:45] [main/WARN] (Mod Menu) WARNING! Mod fabric-language-kotlin is only using deprecated 'modmenu:api' custom value! This will be removed in 1.18 snapshots, so ask the author of this mod to support the new API.

Not sure if you guys are aware of this but I thought I would just notify you about this here!

If anyone wants to tackle this, change:

"modmenu:api": true

to:

"modmenu": {
  "badges": [
    "library"
  ]
}