Release Notes: This minor release serves mainly to remove old legacy code.
Release Notes: This is a major release with a number of new features and enhancements. This version also provides the upgrade and migration path to the new code base.
Release Notes: This third release candidate includes some fixes and updates PHPMailer.
Release Notes: This second release candidate includes many fixes.
Release Notes: This is a bugfix and maintenance release. All sites are encouraged to upgrade. In addition to miscellaneous fixes, PHP 5.2 compatibility. and code improvements, it adds several new features including CAPTCHA, PHP PDO database support, XML sitemap support, and a new installer.