jBPM 4.4 and BPMN version

All, what version of BPMN does jBPM 4.4 comply to?

M开发者_开发知识库eaning is jBPM 4.4 is "BPMN 1.2" or "BPMN 2.0" compliant?

And how different is BPMN 1.2 from BPMN 2.0?

Thanks

Just got the details.. jBPM 4.4 supports, BPMN 1.2.