Ticket #17838: 17838.patch

wp-includes/update.php

@@ -352 +352 @@
         }
 
         $counts['total'] = $counts['plugins'] + $counts['themes'] + $counts['wordpress'];
+        $counts = apply_filters( 'update_count', $counts );
         $update_title = array();
         if ( $counts['wordpress'] )
                 $update_title[] = sprintf(__('%d WordPress Update'), $counts['wordpress']);