Got to laugh, on a number of other Photography forums people are actually moaning about the V5 firmware and complaining that the Z9 is garbage as it doesn't have all the features the lesser Z8 has (i.e. pixel shift), or that Nikon still hasn't implemented Raw capture in the pre-capture modes etc. (which no Nikon camera has yet).
To be honest, the pixel shift feature doesn't interest me one bit, and I very much doubt Nikon think the Z9 is the camera of choice that people will use for this type of photography (landscape and architecture photographers would most likely be carrying the smaller Z8 size camera than the larger Z9). I have it on my Z8 (with firmware 2.0) but never tried it as
a) you need a very steady tripod (and it's been years since I carried a tripod).
b) from all accounts even the slightest movement can ruin the shot (more so than say on Olympus with it's high res shot mode due to the smaller sensor).
c) personally I have no need for nearly 180mp images and the file sizes that represents. Of course I understand other people's requirements will be different.
Now if Nikon could implement a system like Olympus and Panasonic on their Micro four thirds cameras where you have a choice of either tripod mode (for the biggest resolution jump) but also a hand held version for say a 100mp image without have to lug around a tripod and having the "merge" done in camera rather than having to combine the images in external software, that would be worth having. However, I expect the reason we haven't yet seen that on a FF camera is due to the large sensor size and the challenges that represents ?
In fact (shock horror), if Nikon could magically becomes the FF equivalent of Olympus and add in their version of Olympus's Hand Held High Res, Live ND, Live Time, Live Composite, Live GND and Raw in pre capture mode, and an IBIS system capable of 7-8 stops, then I honestly think I would sell off all my Olympus Micro four thirds equipment and go 100% Nikon Z. If I'm being honest, whilst I don't use all those aforementioned features all the time, I use many of them enough on my Olympus cameras to still keep them.
We are a fickle bunch aren't we