Why no reset Z on a stop?

[Stroonzo (Jeff)]

Z up movement after selecting STOP

LightBurn does not modify the Z height when you hit the Stop button - stop is treating as a hard-stop / abort, so no additional motion should happen when you stop. If you click ‘Save GCode’ instead of ‘Start’, you can look at the GCode emitted - if you do not have Z enabled, no Z moves will be emitted ever unless you manually click one of the Z up / down buttons, so I’m not sure what’s happening, but it’s not LightBurn doing this. Does your controller have any $N commands registered? (type $N…