StoreKit iOS 12.1 to 12.2 API Differences

SKError.h

Added SKErrorPrivacyAcknowledgementRequired

Added SKErrorUnauthorizedRequestData

Added SKErrorInvalidOfferIdentifier

Added SKErrorInvalidSignature

Added SKErrorMissingOfferParams

Added SKErrorInvalidOfferPrice

SKPayment.h

Added SKPayment.paymentDiscount

Added SKMutablePayment.paymentDiscount

SKPaymentDiscount.h

Added SKPaymentDiscount

Added -[SKPaymentDiscount initWithIdentifier:keyIdentifier:nonce:signature:timestamp:]

Added SKPaymentDiscount.identifier

Added SKPaymentDiscount.keyIdentifier

Added SKPaymentDiscount.nonce

Added SKPaymentDiscount.signature

Added SKPaymentDiscount.timestamp

SKProduct.h

Added SKProduct.discounts

SKProductDiscount.h

Added SKProductDiscountType

Added SKProductDiscountTypeIntroductory

Added SKProductDiscountTypeSubscription

Added SKProductDiscount.identifier

Added SKProductDiscount.type