I have not been onboard yet, but from a few different Facebook groups I am on there are many people who have returned from a recent cruise saying that 3-4 year olds no longer need reservations at the kids club and are NOT being confined to just one room. They do need to wear a mask. Vaccinated kids over age 5 do not need to wear a mask. Personally, I am very happy about this news! There is still no nursery available for those under 3.