Welcome to the season of seismic fashion change. The tectonic plates of the industry are shifting, remaking the landscape in a way that hasn’t been seen since … well, ever. This year almost 20 fashion houses, including some of the most famous, influential names (Chanel, Dior, Gucci, Balenciaga), appointed new designers, meaning the clothes you see in stores or on the street, or when you’re immersed in the endless digital scroll, will soon be very different.