The Drools development team is proud to announce the release of Drools 2.1 final.

Highlights include:
Excel Decision Tables
Spring and POJO integration
Xor Group
Improved exception handling via JDK1.4 Nested Exceptions

Please see the hRelease Notes for more details on this release.
The Project Downloads page contains full information on obtaining Drools.

Happy Drooling,

The Drools Development Team.