If you are not running 5.3.0 on your server, don't worry, there's no need to update. If you are not sure if you are running 5.3.0 most likely you are not. If your template or extension is an older verion and is effect by 5.3.0 you will see messages about a deprecated function ereg() on your site. Note - these messsages will not appear in our updated files. If you run into these errors please post a forum support thread under the forum board pertaining to the product you are using.