Nikon is also rumored to release new firmware updates for the Z6II and Z7II cameras – probably with support for the new lenses that will be announced tonight. Stay tuned for details.
Update: it seems that the rumored firmware update will only be to support the focus limiter switch on the new NIKKOR Z MC 105mm f /2.8 VR S lens and will be released soon:
Equipped with a focus limiter* function that reduces focusing time during close-up shooting by limiting the focus range.
* Update the camera firmware to the latest version. With earlier versions, the camera may fail to detect the lens correctly and some features may not be available. (from Nikon”s press release)