WS-BPEL 2.0 — the first official version of the BPEL specification released by the OASIS technical committee.
The specification has been finalized and can be found here. To learn more about it check the webinars produced by the technical committee:
http://www.oasis-open.org/events/webinars/
The presentation documents are also available:
Business value part 1
Business value part 2
Technical overview part 1
Technical overview part 2
Technical overview part 3
ODE's support of the specification is outlined on the WS-BPEL 2.0 Specification Compliance page.
ODE also supports a few extensions to WS-BPEL in the areas we thought necessary.