My issue is not wanting to upset my machine - it gets used, a lot. Updating the firmware would mean ensuring i can return to my version, Its not just a matter of trying it - i have little doubt it would probably work but, to actually "use" it would mean a lot of macro work, screen customising etc - i need two installs as i have a separate high-speed head on my mill so i use a different profile because this setup does not work like the standard Bridgeport setup.
I would need touch-plate probing on one, rigid tapping on the other, tool length comp fed to the knee axis, a custom file load option to comment out any G43 lines as the TLC is fed direct to knee, spindle power DRO, height-setter DRO with buttons for loading the tool table, soon it will have a power drawbar of some sort and in the future it will sport an ATC.
Simple really