Drools 5.1 has been released. The main focus for this release has been around improved consumerability for users with declarative services based on Spring, Camel and CXF integration as well as the BPMN2 implementation for Flow and an improved Rete algorithm for reduced memory consumption providing better scalability for large number of objects.
You can get full release details here:
Drools 5.1 New and Noteworthy
Oryx integration for web based BPMN2 Authoring
Spring, Camel and CXF integration
Knowledge Agent Incremental Change Set Support
Differential Update (reduced memory consumption for better scalability)
Timers and Calendars
BPMN2 (Eclipse + Web authoring)
Pluggable Variable Persistence
Inbox (to monitor changes)
Built in Selector
Guided editor improvements
Oryx integration for web based BPMN2 editing (more details here)
Don't forget about the San Jose Rules Fest Oct 2010. It's a 3 day event of talks followed by a one day Boot Camp with separate rooms for Jess, Drools&jBPM, Grind Works and Open Rules. You may attend the talks or the bootcamps or both.
The Boot Camp will spend the morning introducing the 4 Drools technologies: Expert, Fusion, Flow and Guvnor and will additionally cover what's new in Drools 5.1. We will also discuss the plans for jBPM3, jBPM4 and Drools Flow. The afternoon will be an open floor where you can get time with us core developers for any questions, mentoring or assistance that you would like.
Drools 5.1 wouldn't have been possible without the following people:
Geoffrey De Smet
Diego López León