There's a "Search..." string that looks awkward with non-English language. Could you make it translatable, so that anybody can see his or her own language? Here's a link to what I mean.

https://github.com/shedaniel/cloth-config/blob/v10/common/src/main/java/me/shedaniel/clothconfig2/gui/widget/SearchFieldEntry.java#L116

https://github.com/shedaniel/cloth-config/blob/v15/common/src/main/java/me/shedaniel/clothconfig2/gui/widget/SearchFieldEntry.java

V15 is still the same, nightmare for OCD.