That's the current version of my firmware fork. I have a long list of further features to add, but it will be at least 3 weeks before I can do another release because I have an imminent home and office move.
Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod
Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].