Joomla! is a production of Open Source Matters, the same team that brought you the award winning Mambo Content Management System. OSM has taken their final stable version of Mambo (4.5.2.3), given it a spring clean and named it Joomla! 1.0 In addition, several small features that were going to be released in Joomla! 1.1 have been brought forward and included in this release. The following outlines the highlights of this debut version of Joomla! All comments are made in reference to Mambo 4.5.2.3 with regard to changes and improvements made.