No, I did not check their configs, however, I don't know whether or not I made it clear that I get Charter to render correctly everywhere in KaOS except the Firefox browser menus. I change the gtk section, under the gnome applications in other KDE distros to get them to show in the Firefox menus. Again, the fonts render well under QupZilla that comes with KaOS. Thanks for your reply. Right now, the Charis SIL font is rendering well in the Firefox menus, just like the other distro. However, Charter will not render. It's just a preference for me, and thought I'd let you know.