MediaPlayer watchOS 4.3 to 5.0 API Differences

MediaPlayerDefines.h
Added #def MP_EXTERN
Added #def MP_API
Added #def MP_DEPRECATED
Added #def MP_UNAVAILABLE
Added #def MP_DEPRECATED_WITH_REPLACEMENT
Added #def MP_PROHIBITED
Added #def MP_HAS_UIVIEW
Added #def MP_HAS_AVMEDIASELECTION
MPError.h
MPMediaEntity.h
MPMediaItem.h
MPMediaLibrary.h
MPMediaPlayback.h
MPMediaPlaylist.h
MPMediaQuery.h
Added MPMediaItem (MPMediaQueryAdditions)
MPMusicPlayerController.h
MPNowPlayingInfoCenter.h
MPNowPlayingInfoLanguageOption.h
MPRemoteCommand.h
MPRemoteCommandCenter.h
MPRemoteCommandEvent.h
MPRemoteControlTypes.h
NSUserActivity+MediaPlayerAdditions.h
Added NSUserActivity (MediaPlayerAdditions)