The Big Apple has had a whirlwind of a year. Hudson Yards, the largest private real-estate development in American history, opened to mixed reviews, but there’s no doubting the audacity of Heatherwick Studio’s Vessel, with its seemingly endless stairways, and Diller Scofidio + Renfro and Rockwell Group’s The Shed, featuring a telescoping outer shell. The reopening of MoMA, following a $450m overhaul by Diller Scofidio + Renfro and Gensler, and the new Hunters Point Library, by Steven Holl Architects, were triumphs in civic architecture, while a new eight-storey flagship gallery for Pace, by Bonetti/Kozerski Architecture, and the renovation of Sotheby’s HQ, by OMA, proved a boon for the art market. Hospitality newcomers ranged from the Ace Hotel Group’s pared-back spin-off, Sister City, to fitness brand Equinox’s first hotel offering, and…