Problem - Serenity wasn't designed into the original ship layouts. Sounds like they are heading in a good directly with Sunshine. Maybe they can begin to reconfigure with Fun Ship 2.1
Of course some folks do not want to be very serene when in the pool.
All I ask is a tall ship and a star to steer her by; John Masefield
Carnival: Glory 2004, Destiny 2008, Splendor 2009, Freedom 2011, Valor 2012, Dream 2013
Celebrity: Summit 2011
Princess: Ruby 2010, 2014, Caribbean 2013, Coral 2014, Regal 2014, 2016
Star Clippers: Royal Clipper 2015