Ticket #47105: 47105.patch

wp-admin/js/common.js

@@ -164 +164 @@
                 .filter( function() { return $( ':input:visible', this ).val() === ''; } )
                 .addClass( 'form-invalid' )
                 .find( ':input:visible' )
+                .focus()
                 .change( function() { $( this ).closest( '.form-invalid' ).removeClass( 'form-invalid' ); } )
                 .length;
 };