Ticket #17838: update-count-filter.patch

wp-admin/menu.php

@@ -51 +51 @@
                         $wordpress_update_count = 1;
         }
 
-        $total_update_count = $plugin_update_count + $theme_update_count + $wordpress_update_count;
+        $total_update_count = apply_filters('update_count', $plugin_update_count + $theme_update_count + $wordpress_update_count);
         $update_title = array();
         if ( $wordpress_update_count )
                 $update_title[] = sprintf(__('%d WordPress Update'), $wordpress_update_count);