Introducing Joomla! 1.0

Thursday, 15 September 2005

What is Joomla! ?

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 (, 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 with regard to changes and improvements made.

Bug Fixes

Several crucial fixes have been applied to this version:

Check the CHANGELOG.php file for more information.

 Security Fixes

 Several important vulnerabilities have been patched in this version:

Joomla! Site (Front End)

 Joomla! Administrator (Back End)

Language Support 

 A number of minor changes have been made to facilitate the use of Mambelfish.


The Solar Flare 2 template has been freshened with the new name.  Andy Miller joined forces with Robert Deutz to delivere a stunning new Adminstrator Template for Joomla!

Toolbar icons in the Administrator toolbar are now shown in full colour rather than greyed out (which would normally indicate they were unavailable).

Miscellaneous Bits

Support for MySQL 4.1.x

Joomla! will support installation and use with PHP 5 and MySQL 4.1.  An alternative database file is provided in the /includes directory.  SImply copy database.mysqli.php over the existing databased.php file.  Following this you can use the web installer normally to install Joomla!.

Library Upgrades

 The following developer libraries have been upgraded:

Useability and Accessibility

A huge thrust is being made to make Joomla! compliant with web standards for useability and accessibility.  While much more will be done in future versions, the following first steps have been taken to achieve this goal:

Developer Extras

A number of new things are available for developers.  These include:


We have made every effort to make this version backwardly compatible with Mambo but there are a few changes that may affect a small selection of existing addons.  If you are a developer of Mambo addons (and soon to be Joomla! developer) then your attention should be drawn to the following points:

Want More?

With the launch of version 1.0 of Joomla! comes the unveiling of our new development forge site at, hosted on SourceForge Enterprise courtesy of VA Systems.

Joomla! can be downloaded from the Joomla! Project. Bugs can be submitted on the Bug Tracker.

Instructions for migrating your existing Mambo site to Joomla! can be found on our help site.


Copyright 2005