Nikon has released eye AF firmware updates for Nikon Z6 and Z7. Here is the video comparison of Sony a7 III Vs. Nikon Z6 Vs. Canon EOS R on eye AF. From the result, we can see Sony a7 III’s eye AF is still much better than Nikon Z6 and Canon EOS R.
At Photokina 2018 press event, Sony announced that they will release 12 more native E-mount lenses in near future. The latest Sony E-mount lens is FE 24mm f/1.4 GM Lens (B&H Photo/Amazon/ Adorama/WEX/ParkCamera). And they will also add AI to next Sony cameras, and Eye AF to work on animals.