First up, Apple is adding a number of new watch faces and revamping popular existing options like Astronomy.

And the popular Workout app is also adding tons of new information. Along with heart rate zones, you can see new running metrics like form, stride length, and ground contact time.

The Sleep app is adding Sleep Stages so you can better see and understand your sleep through the night.

Apple Watch users can also use the new Medications app to securely and privately manage medications.