Drools 5.4.0.Beta1 released (Expert, Fusion, Planner, Guvnor)
New and Noteworthy: http://docs.jboss.org/drools/release/5.4.0.Beta1/droolsjbpm-introduction-docs/html/releaseNotesBeta1.html
Download and info: http://blog.athico.com/2011/12/drools-540beta1-released.html

Toni Rikkola