Possibly. I have not tried it but it will be up to the devs to increment the Python version. I thought that would have been done as linuxcnc 2.9.4 is in Debian 13 natively.
M3 S10000 ; works, spindle starts and spins up
M5 ; works, spindle stops
G53 G1 F4000 Z-10 ; Spindle does not move and GCode interpreter seems to be hung!
Is spindle-at-speed true? if not, pretty sure this will hang waiting for spindle-at-speed to be true.