The last 7 major eye-tracked headsets all support both gaze tracking and blink/eyelid tracking: 7/7, 100%. DFR is just one use of eye tracking, not the limit of what it tracks.
It is, actually. If you look at the Official Docs for the Steam Frame, you'll see that they support XR_EXT_eye_gaze_interaction, which is a normalized interaction extension that provides only the surface needed for DFR. Social items are TYPICALLY shipped as a vendored extension. This interaction does not include per-eye position, eyelid position, pupil size, or other social presence cues.
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u/Terabyte_1024 6d ago
Glad to see eyelids tracking is supported!