Apple has released the third beta of watchOS 6.1 to the developers

General
Resolved Issues
Fixed an issue where you might encounter incompatibilities when developing and debugging using Xcode 11 with watchOS 6.1 beta. (55203842)

App Store
Resolved Issues
Fixed an issue where to download third-party apps, you might need to connect your iPhone to Wi-Fi. (55429053)

Instruments
Resolved Issues
Memory debugging is available again. (55276315)

SwiftUI
Resolved Issues
SwiftUI sheets can be dismissed. (55649182)

  watchOS 6.1 Beta 3 released