I was watching a YouTube video the other night where it was commenting about a new firmware update for an old decommissioned camera.
In the comments section people were mentioning that some of the recent Nikon Z lens also had new firmware out. One for my Z 50mm f/1.2 which I had not spotted.
If you have not registered your cameras and lens with the manufacturer its well worth it, if only to get notifications on this kind of thing.