Apple has officially released watchOS 7 beta 4 to registered developers, watchOS 7 brings new features to the Apple Watch series 3, 4 and 5:
Watch Faces and Sharing
Automatic Handwashing Detection
New Workout Types and Fitness App
Hearing Health Audio Alerts
Workout cycling directions
New Mobility Metrics
Users who have registered in Apple’s Developer program can download the watchOS 7 beta profile here. Apple announced at WWDC that they would be releasing a public watchOS beta this year but nothing as of yet.