Mozilla and the community of developers behind the SeaMonkey Internet application suite have released the first beta of SeaMonkey 2.2 just over a week after issuing a major update with SeaMonkey 2.1.

Changes to the Gecko layout engine that affect all the community's projects (Firefox, Thunderbird, Lightning, Sunbird, Camino) will naturally also take effect in SeaMonkey 2.2. This means the suite now supports CSS animations, improved support for HTML5, XHR, MathML, SMIL, Canvas, and general performance and security improvements have been made.

Supported Windows versions include Windows 2000, XP, Vista, and 7 and minimum hardware requirements are Pentium 233 MHz (Recommended: Pentium 500MHz or greater), 128 MB RAM, and 50 MB of free storage. It is also available for Mac OS X 10.5+ on Intel-based Macs, and on many Linux distributions, including Red Hat Enterprise Linux 5+, Fedora Core 6+, ubuntu 6.10+. Debian "Lenny" 5.0+, and openSUSE 10.2+.