watchOS 7.3 released to the public January 28, 2021 3:00 AM UTC by Samantha Wiley Apple has outed its third iteration of watchOS 7 to Apple Watch users. watchOS 7.3 came in a month after watchOS 7.2 and features several updates and quality of life changes. watchOS 7.3 brings ‘Time to Walk’, a new addition to Apple Fitness+. Here, users can listen to inspiring stories from athletes, music artists and influential people as they complete a walking workout. ECG functionality has expanded to Thailand, Philippines, Mayotte and Japan, while irregular rhythm notifications will soon be arriving on the said countries. The update features a new Unity Watch Face with changing shapes and inspired by the Pan-African Flag, and a bug fix for the Notification Center and Control Center Zoom glitch.