MDL-16242 "'Required' does nothing for select fields in customisable user profiles" added an extra option 'Choose...' which is the default if no other default is specified. If the user leaves the select field set to 'Choose...' then the required rule fails and the form does not submit.
MDL-16242 "'Required' does nothing for select fields in customisable user profiles" added an extra option 'Choose...' which is the default if no other default is specified. If the user leaves the select field set to 'Choose...' then the required rule fails and the form does not submit.

dilawar/moodle