- Multi tenancy support added to Activiti, including the Java and REST API.
- Added new event support to listen for events in the Activiti Engine, like task deleted, variable updated, process engine created and many more.
- Introduction of data object support (thanks to Lori Small and team)
- Improved Spring support with great and easy to use annotations (thanks to Josh Long)
- Added an easy way to do custom sql execution (http://www.jorambarrez.be/blog/2014/01/17/execute-custom-sql-in-activiti/)
- Improved OSGi support + added OSGi unit testing using Tinybundles
- Various fixes and improvements
More info can be found here:
http://jira.codehaus.org/secure/ReleaseNote.jspa?projectId=12091&version=19344