Nikon updated the Zfc to firmware 1.50, with the sole change being support for EN-EL25a batteries.
Meanwhile, the Zf got it's first update to version 1.10, adding slow-motion recording and fixing a live view display issue.
In-depth coverage of the Nikon Z Mount Cameras and Lenses Since the System's Birth
Nikon updated the Zfc to firmware 1.50, with the sole change being support for EN-EL25a batteries.
Meanwhile, the Zf got it's first update to version 1.10, adding slow-motion recording and fixing a live view display issue.