The PHP.net site has officially announced the release of the latest version of the PHP 5.5.x series today - PHP 5.5.9.

The PHP development team announces the immediate availability of PHP 5.5.9. This release fixes several bugs against PHP 5.5.8.

Fixes in this release include updates to:

• OPCache
• Session handling
• Sockets
• Zend Engine compilation failure

You can downloading this latest release either from the main downloads page or for Windows users on windows.php.net.