Nikon has launched eye AF firmware updates for Nikon Z6 and Z7.  Here is the video comparability of Sony a7 III Vs. Nikon Z6 Vs. Canon EOS R on eye AF. From the end result, we are able to see Sony a7 III’s eye AF continues to be a lot better than Nikon Z6 and Canon EOS R.

Eye AF Comparison: Sony a7 III Vs. Nikon Z6 Vs. Canon EOS R