Something I noticed in my gcode is that my sailfish 7.7 duplicator uses
G54
M108 T0
M18 A B
And
G55
M108 T1
M18 A B
To switch extruders and use the firmware toolhead offset instead of
M135 T(n)
Even though I've picked the right flavor.
Any chance your converter fixes that too, or can you make it fix that? I'm not using GPX for the files, I'm using ReplicatorG