Support up to 6 axes in many commands
Allow creation of additional axes in M584
Display delta paremners to 3dp instead of 2dp
Removed M126/M127 error messages
Delta calibration now supports bed tilt parameters
On Duet WiFi, delta calibration is now done in double precision maths
Added support for G4 S parameter
Bed compensation or delta calibration is now aborted if the probe was
triggered at the start or was not triggered by the end of the probing
move
Bug fix: JSON file list returned by M20 S2 is now terminated by \n
Bug fix: stupidly high temperatures were returned immediately after
power up in response to status requests
Bug fix: when using an analog Z probe, probing movements were sometimes
aborted before the full depth had been probed but the firmware thought
that probing had terminated at the full depth
Bug fix: generic messages were sent to PanelDue in plain text format
Changes to reduce incidence of false heating fault alarms, in particular
"temperature rising much more slowly than the expected 0.0C"
Stepper drivers beyond the first 5 are assumes to be non-TMC2660 drivers
Add support for second SD card on SPI bus for Duet WiFi including
implementation of M21 and M22
New temperature monitoring
Increased PWM resolution
When uploading files to wifi module, skip empty blocks
Revised TMC driver in preparation for standstill current reduction
Fixed PrintMonitor bug when the slicer comment includes a '\' character
Further optimisation of step generation ISR
Don't allow more than half the capacity of the DDA queue to be frozen
Duet WiFi: print additional info from WiFi module
Changes to use new pin modes in CoreNG
Initialise TMC2660 step/dir/CS pins as early as possible
Allow emergency stop in simulation mode
Disable drives and heaters when doing a software reset
Support 10th drive and 8th heater on Duet WiFi
TMC2660 driver support is now only in Duet WiFi firmware build
