watchOS 4 is official: new watchfaces, revamped Music and Activity apps coming this fall

watchOS 4 is now official.

Chief among the new features are a trove of new watch faces, with the most intriguing one being the intelligent Siri one. It's a proactive endeavor with a treasure of new complications that will show you relevant information throughout the day. Just like iOS, the Siri watch face uses machine learning based on your routines and apps you use and when you use them in order to present the relevant information right there at your wrist.

Aside from the new Siri watch face, Apple Watches will score Toy Story's Woody, Jessie, ...