This firmware v1.13 has rendered the auto-focus on both my Sigma 150-500mm f/5-6.3 DG OS HSM APO AF and 70-200mm f/2,8 ll EX DG APO MACRO HSM AF lenses inoperable. Response from Nikon: "Thank you for contacting Nikon. It' a pleasure assisting you. When we update our firmware's we make multiple changes to the way our cameras interrupt lens and accessories. This is why we can never directly guarantee compatibility with any third part product we don't sell. I would suggest not up dating your firmware until a newer version comes out."
Response from Sigma: "Please send your lenses to service center for firmware update. The newer firmware for the lenses should be compatible with the new Nikon firmware. After looking at the cost to ship these both back to Sigma, I opted to revert back to the camera firmware v1.12. Perhaps Nikon's next update will fix, perhaps not. I haven't experienced the issues supposedly fixed w v1.13.