Here is the latest version on Nikon's Z mount lens roadmap.
Of interest are the 50 and 105mm Micro lenses, but it is disappointing to note the lack of a fisheye. Wide angle lens options include 20mm prime, 14-24 f/2.8 and 14-30 f/4. As yet, there doesn't seem to be one that is especially suited for use behind a dome port.
Adam
Looking at other systems (except MFT) Fisheye lenses are not exactly the first thing camera companies think about when fleshing out a lens system. Sony still doesn't have one (I think there is a third party now?) and Fuji neither. Luckily lens adapters seem to work fairly well.
Two Macro lenses for Nikon is more than anyone could have hoped for really. Maybe some of the standard lenses (perhaps the 28mm prime) will be good with Wetlenses or the WACP.