WatchOS 9 will land in autumn though Apple provided no specific date.

The new wearable operating system bringsimproved health features.

Medication tracking reminds people when to take their medications and provides details of how those medications might interact.

Sensors will measure heart rate, track segments and elevation to create custom workouts.

It’ll also provide data to help people achieve personal bests.

For triathletes, WatchOS 9 will also automatically swap between swimming, cycling and running.