Apple has released the fourth beta of watchOS 6 to the developers
GeneralwatchOS 6 Beta 4 released
Resolved Issues
When playing audio in Music, Podcasts, or Books on iPhone, the counterpart watchOS app launches as expected to the Now Playing view. (51591666)
Reinstalling built-in apps reinstalls both the iOS app and the watchOS counterpart app. (50799441)
Close buttons are positioned correctly in modally presented interfaces. (51679414)
Apps can consistently send data over WatchConnectivity. (51653277)