Any change I have made to the firmware was commented with “//MPCNC” it is easily searched in arduino. I also have the firmware ready for download on the site you don’t need to make any changes yourself.
I wouldn’t mind making a fork, but I really don’t have the time to figure out that side of github right now. If you have a link to a quick and dirty tutorial I could try in the next few weeks. I understand forking it but not how to make my changes and how they are implemented when the original branch updates.