Disable timeouts in the XYZ/Z calibration.
Don't modify feed rate multiplier during the XYZ/Z calibration.
Support multi screen messages in the XYZ/Z calibration - "move the Z carriages up" step.
Support up to three lines in the XYZ/Z calibration messages.
Added a new message "Measuring reference height of calibration point xx of 9".
Changed the "move the Z carriages up" message to suggest rotating the knob.
Changed the "live adjust not set" message to reference the manual chapter and section.
Remove debugging serial line output on Z calibration.
Removed the non-working pressure advance feature.
Improved accuracy of diagonal moves by oversampling the path discretization.
Accelerated the planner by rewriting time critical routines from floating
point to fixed point arithmetics.
PavelSindler
michalprusa
bubnikv