When I read the above wiki page, I think of it more as a historical reference roadmap for future Delta development than a current to-do list. Marlin and Repetier are two firmware branches that I know of with Delta support included, and there are probably others in this list that are light years ahead of Grbl in terms of feature support (and unfortunately resources consumed):
http://reprap.org/wiki/Grbl#Grbl
Let me add a disclaimer that I was late to the 3D printer party, so I'm not overly familiar with the history/forks that have taken place over time.....
http://reprap.org/wiki/Grbl#Grbl
Let me add a disclaimer that I was late to the 3D printer party, so I'm not overly familiar with the history/forks that have taken place over time.....
