It is expected that updates may overwrite system files. Try creating your own gschema.override file (for example, /usr/share/glib-2.0/schemas/40_arctica-greeter.gschema.override) and put arctica section header and your changes there. Then recompile schemas.
It is expected that updates may overwrite system files. Try creating your own gschema.override file (for example, /usr/share/ glib-2. 0/schemas/ 40_arctica- greeter. gschema. override) and put arctica section header and your changes there. Then recompile schemas.