First Flowable release. With a new Maven group (org.flowable) and artefact id (flowable-engine etc), there are no changes to package names or config file names in the fork of Activiti.
Introduction of transient variables. Transient variables won’t be persisted in the process variable tables, but are still available on the execution for the duration of a single transaction. Transient variables can for example be used to store a REST response that is only needed to create a request to another REST service, or to use a Java service task result in the next Java service task without it getting persisted. You can read more about it here
Several bug fixes and smaller enhancements