Okay, just wanted to be sure because you're absolutely right that they're practically a requirement.
Definitely build yourself an IR tracker. Should cost you less than $10 in components and it works far better than face tracking. FWIW, the FaceTrackNoIR+point tracking plugin > FreeTrack (the latter hasn't been updated in years and the former plugin is based on FreeTrack's codebase).
Definitely build yourself an IR tracker. Should cost you less than $10 in components and it works far better than face tracking. FWIW, the FaceTrackNoIR+point tracking plugin > FreeTrack (the latter hasn't been updated in years and the former plugin is based on FreeTrack's codebase).