PassKit watchOS 5.3 to 6.0 API Differences

PKError.h

Added PKAddPaymentPassError

Added PKAddPaymentPassErrorUnsupported

Added PKAddPaymentPassErrorUserCancelled

Added PKAddPaymentPassErrorSystemCancelled

PKPaymentMethod.h

Added PKPaymentMethod.billingAddress

PKPaymentRequestStatus.h

Added -[PKPaymentRequestPaymentMethodUpdate initWithErrors:paymentSummaryItems:]

Added PKPaymentRequestPaymentMethodUpdate.errors