PHP 5.4.21 and PHP 5.5.5 is now released. The new versions is already available in custombuild. Changelogs is available at http://php.net
Please note that there is not yet released ioncube loaders for PHP 5.5.x, if you need them, I suggest that you post about it in this forum thread: http://forum.ioncube.com/viewtopic.php?t=4051
Please note that there is not yet released ioncube loaders for PHP 5.5.x, if you need them, I suggest that you post about it in this forum thread: http://forum.ioncube.com/viewtopic.php?t=4051