The upcoming Nikon D6 will be officially announced in early or middle February. According to latest rumors, the Nikon D6’s high ISO will be one stop improved than Nikon D5. You can take a look at rumored specs of Nikon D6 below:
Nikon will officially release the firmware updates for Nikon Z6 & Z7 on May 16th. This new firmware will add Eye-detection AF for Z6 & Z7. According to NR, this firmware will also improve low light focus capability for Z6 & Z7.