Implement a new fitness tracking feature that accurately records various workout metrics such as steps, distance, calories burned, and heart rate.

Improve the notification system to provide users with more customizable options and better manage the delivery of notifications from connected smartphones.

Optimize the software to improve battery life and ensure longer usage time between charges for Smartwatch Pro users.

Integrate a sleep tracking feature that monitors sleep patterns and provides insights to help users improve their sleep quality.

Enhance the heart rate monitoring algorithm to improve accuracy and provide users with more reliable heart rate data during workouts and daily activities.