Today you can find the new Candidate Releases versions from Drools and jBPM 5. Please take a look at the official blog post from the Drools and jBPM 5 team and please report issues if you find them! http://blog.athico.com/2011/05/releases-drools-expert-fusion-planner.html
I'm writing some posts about the second version Emergency Services Demo application that is already using this release including some brand new features. Enjoy!