You’re in luck man! A lot of these have already been implemented/are going to be, so get hyped!
Night: https://trello.com/c/6pK3SRko/35-night
Doors: Doors and locks
Windows/Doors: Wow i made a 4.0 style house
There isnt much information about the zombies/turned as of yet but those have been suggested a couple of times, so far we are in the dark. Alot of these are pretty common sense to add (food spoilling,rare ammo,hard zombies,) although guns jamming is a fairly hot take, and you can read up on what other had to say on it on other posts like this one: [Realistic Gameplay] Real gun durability and jamming