I was searching about the (HANA) roadmap for Workflow, found a lot about BRF, BRM, HRF, But not about WF and (Pi and BPM which go's to) PO.
Is there any material which give 's
1) an outlook/roadmap of WF
2) An overview about all that terms, differences, advantages, architecture. (I found a good one about BRF, BRM and HRF.