Nikon released their updated roadmap for lens development with their Z series mirrorless full frame camera at the CES show.
nikon_z_series_mirrorless_lens_roadmap.jpg 77.14KB 5 downloads
Sadly, there are no (announced) plans for either macro or fisheye lenses in the next 3 years. Of course, existing F mount lenses can be used with the FTZ lens adapter. It is hard to know how or if this will affect IQ or performance.