I am on a private persistence server which was turned on at 0.53.
Loot doesn't seem to be re spawning on the server and Items I have picked up and dropped days ago still remain, so I'm not sure if this has anything to do with it.
Eg. a pair of pink shoes in a red dry bag. I moved them into the bag to reveal any other items lying in the same spot. server reset and wednesday maintenance began, after the maintenance the bag was still ther with the pink shoes.