Having the same issue. Had the same issue in the Beta. No other changes.
FTNIR is:
installed to c: drive
running freetrack 2.0
FreeTrack interface worked before, does not work now
FreeTrack + trackir interfaces doesn't fix it
trackir only interface does'nt fix it
dummy trackIR.exe doesn't fix it
NPClient verified
not working on 1.5 x64
not working on 2.0
edit: i wonder if the "facetracknoir supported games.csv" list is now out of date
496;Elite: Dangerous;FreeTrack20;V170;;;3475;01F0A9485EECA12E18BE00