Following a 60-day review and comment period, as well as voting by member, the WfMC Steering Committee voted on 23 April 2008 to approve version 2.1 of XPDL. This release includes all new functionality that was submitted to the working group and accepted by the working group. Also included is new functionality to update the BPMN to version 1.1 as well as specific descriptive material on BPMN as well as the BPMN E-Mail Voting process, plus an extended section on conformance to support portability of BPMN design-level modelsSee Details Here.