http://blogs.oracle.com/soabpm/2010/03/11gr1_patchset_2_111130_soa_fe.html
http://blogs.oracle.com/soabpm/2010/03/soa_for_the_java_developer_a_f.html
The important features are below.(as collected from the above site)
- Oracle OSB is to be part of the suite (currently it is a separate installation)
- Support for WSIF (this was supported in 10 g and seems to be restored now). Support for EJB 2 and 3
- Support for BPEL2.0(I believe the current supported version is 1.1. Not sure what are the new features in 2.0)
- BPMN 2.0 design time and runtime support
- Seamless Upgrade from 11gR1PS1!!!!
- Domains for BPEL. Not sure how this compares to the regular WL domains.