Our experience was similar to ianbal. We had a trip from Dubrovnik to Venice booked for the first part of October. Initial communications from Santana Adventures suggested they would rebook the trip for 2022. Then later communications seemed to imply that they were going to go ahead with the trip despite travel restrictions for US residents in Italy and testing requirements in Croatia which were difficult to meet.. Finally, the trip was cancelled and rebooked for late September 2021 about a month out from our embarkation date. I suspect SA would have cancelled the trip earlier but the ship charter company wasn't willing to cancel their contract with SA. SA made it sound like it cost them more money than they had already paid out in getting the company to rebook the charter for 2021.