# What's New in Version 1.5

The following outlines the highlights of second major release of Joomla.

### Important Notes

NOTE: JOOMLA 1.5 IS NOT READY FOR PRODUCTION SITES!

There are several important changes in Joomla 1.5 that you should be aware of. These include:

- Mambots have been renamed to Plugins.
- Components, languages, modules, plugins and templates are now collectively known are Extensions.

### Bug Fixes

Several crucial fixes have been applied to this version:

- todo

Check the CHANGELOG.php file for more information.

### Security Fixes

Several important vulnerabilities have been patched in this version:

- todo

### Templates

The first thing you will notice about Joomla 1.5 are the fresh new Installation, Frontend and Backend Templates.

### Joomla! Site (Front End)

- todo

### Joomla! Administrator (Back End)

- todo

### Menu and Menu Types Manager

- A new database table has been added to store the menu types, rather than parsing the module parameters and hence increasing performance.
- Modules with the same menu type can now be added more than once allowing template designers greater flexibility.

### Modules Manager

- Added a filter to display modules assigned to templates templates (excludes modules assigned to all templates).

### Contacts Component

- Two new fields are added for mobile phone number(s) and a web page.
- Several database fields have been widened to at least 100 characters to allow more flexibility.
- Contact position, address and phone numbers now allow for multi-line input.

### Banners Module

- Multiple banners can now be shown and style via `bannergroup` and `banneritem` css classes.
- Ordering of the banners can be randomised.

### Language Support

A number of major changes have been made to facilitate the localisation of Joomla.

- todo

### Miscellaneous Bits

### Database

Several changes have been made in the area of table support and schema. These include:

- Support for the mylsqi drivers is now configurable.
- The mambots table has been renamed to plugins.

### Library Upgrades

The following developer libraries have been upgraded:

- todo

### Useability and Accessibility

Joomla continues to strive to be compliant with web standards for useability and accessibility. The following steps have been taken to achieve this goal:

- todo

### Developer Extras

This is the release that Developers' have been waiting for. A massive effort has been made to refactor and reorganise the core of Joomla into a true extensible framework. The new features in the framework are too many to give justice here, but include:

- todo

### Compatibility

We have made every effort to make this version backwardly compatible with Joomla 1.0 but there are a few changes that may affect a small selection of existing addons.

Please note that addons written for Mambo 4.5.3 and above are probably not compatible with Joomla 1.5.

If you are a developer of Joomla extensions then your attention should be drawn to the following points:

- todo

More information is available at the Joomla Developer Portal