I am following somewhat older instructions to package a pygtk application for macos and found that `gtk-quartz-engine` has been removed from gtk-osx-themes.modules last year but there appear to be no details as to why though:
https://gitlab.gnome.org/GNOME/gtk-osx/commit/eef92a1d23e08b4fb07b35c5f1e8c462798aef62#cb231ea9df6ccb1f59163579b4c65ae85c30e644_121_121 _______________________________________________ Gtk-osx-devel-list mailing list [email protected] https://mail.gnome.org/mailman/listinfo/gtk-osx-devel-list
