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Hi,I installed beta1 and last week beta 2 on my apple watch series 4 and now it is not possible anymore to add friends with watchos 5 for acitivity sharing. Competitions are not working as well. You get a message that the OS of the opponent is too old.I understand that apple may think that everyone will be on watchos 6 when it is released, but with coupling watchOS 6 to an iPhone which needs iOS13, people with an iPhone 6 and an Apple watch series 4 are suddenly left out.In beta 1 everything worked fine and I really hope that Apple makes watchOS 6 and the companion iOS app compatible with iOS 12 and iOS 13.Do you guys think this is a bug? Activity sharing for friends which I already had in my list is still working. Competitions invitations don't appear on their watch.