We are still moving forward and hope to have interesting things to show soon. For any other readers, my Morphle Engine (aka SiliconSqueak 5) processor design has many elements in common with EDGE (and so with Dataflow as well).
I found the reference to Windows running on Microsoft's E2 processor (which in turn has links to relevant papers):
https://www.theregister.com/2018/06/18/microsoft_e2_edge_win...