Dave, I've updated both my D700 and D800 and nothing changed any of my menu settings, the few that I use.
I have received notice of an update for my Nikon D850. This is something I have not done in the past so I am concerned that any settings I have changed in the menus might not be carried forward with an update. Do I need to be concerned with this? Please share your knowledge and experience with doing updates. (I searched for firmware updates but found nothing recent)