Hooray, the newest major release of PHP is finally out of Release Candidate status and publicly released!
You can see the release announcement [url=http://php.net/releases/5_3_0.php]here[/url], and a full changelog for PHP 5.x can be found [url=http://php.net/ChangeLog-5.php]here[/url].
Some of the new features in PHP 5.3 include [url=http://php.net/lsb]late static binding[/url], [url=http://php.net/namespaces]namespaces[/url], and [url=http://php.net/nowdoc]NOWDOCs[/url].
With any luck, this PHP release will make coding easier and the language more flexible than before for us 'modders.
...Just stay far away from [url=http://php.net/goto]goto[/url], or [url=http://xkcd.com/292]this[/url] could happen to you.