What’s new in PHP 5.1?

PHP.net announced over the weekend that the first public beta of PHP 5.1 (5.1.0) is now available for download on PHP.net.

So what’s changed?

PHP 5.1 can be downloaded from PHP website.

As of now there is an entry PHP.net’s RSS feed about the release but no word about it on the front page of http://www.php.net/.