Though the run-time support for BPEL 2.0 is available in Oracle SOA 11g for a while, there is a lot of addition on the design time support in oracle soa 11g R1 PS3 release.

This pictures depicts newly available BPEL 2.0 vs BPEL 1.1 constructs in JDeveloper The details of those activities and its usage can be obtained HERE