Rates on new ships are always more than on old ships, it’s been that way for the 20 years I’ve been cruising NCL. In addition menus have changed every 4 to 6 months during that time and will continue to do so.
You need passport numbers and expiration dates, and you need photos similar to passport photos, head and shoulders, no glasses or hats. The other things like addresses, dates of birth etc. you should know.
Boarding is never delayed because of housekeeping. Cabins are never ready when boarding begins. To call changes in housekeeping massive is just being dramatic, there will be changes but they are not massive.