Joomla! 1.5 Beta Released. October 13, 2006 By Bill Pitt Leave a Comment On October 12, 2006, the initial Beta of Joomla! 1.5 was released.Â If you’re curious and want to install Joomla! 1.5, you can download a copy here.Â For those who are curious but don’t want to install the Beta, I installed a copy here.