We used the nursery on 4ish of the 7 days of our cruise. The staff was friendly, enthusiastic and so happy to be back in the nursery! Masks were encouraged but not needed and my son loved it. They had a small team so the hours were a bit reduced (they were open 9-1 and 2-9ish on sea days and different hours on port days) they were not advertising it and it wasn’t in the app, you had to see it to know it was open.