The Joomla Project needs your help in testing our next release: Joomla 1.5.12 RC. This Joomla release has 22 bug fixes and two updates that are significant enough to justify community testing.
The release candidate includes an upgrade to TinyMCE and changes to the framework PHPMailer class.
Before you install this version -remember:
This is a Release Candidate and should not be used in a live production environment!