Carnival Cruise Line has enhanced the functionality of its Carnival Hub App ahead of its summer return to cruising.When guests check in for cruises, they will be able submit any necessary information via the Hub, such as a questionnaire about their health.Carnival will also expand its Hub food delivery service, moving away from beer and pizza to include other culinary and beverage options. Carnival didn't specify what F&B options would become available.From the archives: Test the Carnival Hub's pizza delivery serviceFor more restaurants, check-in will be possible. All menus and beverages will be digitally available using QR codes.You can also reserve seats at various venues and receive an alert when you are due to arrive. They will also be able check in to virtual lines for selected locations onboard, including guest services. When their place is available, they will be alerted.The new Mardi Gras vessel will allow guests to reserve tickets on the Hub app for Bolt, a roller coaster.
