You can probably do a TKDIFF https://sourceforge.net/projects/tkdiff/
That will make it easier to identify what edits I have on my version of firmware VS the new.
Homing works on my (as published here) version of marlin firmware. Note that home bring XY to a corner at the back and Z down to the very bottom.
If you didn't get the travelling speed, be prepared to hear some painful sound from the steppers!