From Caroline and Rory to Roger and his racket to Djokovic, Sharapova and their new coaches. Yes, 2014 is rife with change.
Roger Federer told us not to overreact after Wimbledon, but his last-minute decisions to play in small tournaments suggest otherwise.
Anyone outside the big four and Serena Williams is considered an outsider for the title, but there are others worth looking out for on the lawns of SW19.
Every year, a new crop of young guns burst on to the scene. So which promising neophyte will eventually live up to his lofty expectations?
With Juan Martin del Potro unable to defend his title, can any of the other struggling young guns step up?