iAd iOS 13.6 to 14.0 API Differences

ADClient.h
Added ADClientErrorTrackingRestrictedOrDenied
Added ADClientErrorRequestClientError
Added ADClientErrorRequestServerError
Added ADClientErrorRequestNetworkError
Added ADClientErrorUnsupportedPlatform
Modified ADClientErrorUnknown
AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedADClientErrorUnknown is not used and never returned.

Modified ADClientErrorLimitAdTracking
AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedADClientErrorLimitAdTracking has been deprecated use ADClientErrorTrackingRestrictedOrDenied.

ADCommonDefinitions.h
Removed #def IS_IPAD
Removed #def IS_IPHONE
Removed #def IS_RETINA
Removed #def SCREEN_WIDTH
Removed #def SCREEN_HEIGHT
Removed #def SCREEN_MAX_LENGTH
Removed #def SCREEN_MIN_LENGTH
Removed #def IS_IPHONE_4
Removed #def IS_IPHONE_5_OR_SE
Removed #def IS_IPHONE_6_OR_7_OR_8
Removed #def IS_IPHONE_6P_OR_7P_OR_8P
Removed #def IS_IPHONE_X