Mozilla Firefox 3 (Gran Paradiso) alpha 4

Firefox 3 (Gran Paradiso) alpha 4 is a developer preview release of the next-generation Firefox browser and it is being made available for testing purposes only. Current users of Mozilla Firefox should not use Gran Paradiso alpha 4.Gran Paradiso alpha 4 is a developer milestone for the next major version of Firefox that is being built on top of the next generation of Mozilla’s layout engine, Gecko 1.9. Version alpha 4 includes the FUEL Javascript library for extension developers, cocoa user-interface improvements, improvements to offline application support, and other new features.

Note: Beta or prerelease software is not intended for inexperienced users, as the software may contain bugs or may potentially damage your system. We strongly recommend that users exercise caution and save all mission-critical data before installing or using this software.

Before installing, make sure your computer meets the system requirements.