GameKit iOS 13.6 to 14.0 API Differences

GKAccessPoint.h

GKAchievement.h

	Declaration
From	@property (nonatomic, readonly, retain) GKPlayer *player
To	@property (nonatomic, readonly, strong) GKPlayer *player

Modified GKAchievement.playerID

	Declaration
From	@property (nonatomic, readonly, copy) NSString *playerID
To	@property (nonatomic, readonly, copy) NSString *playerID

GKChallenge.h

Added +[GKScore reportLeaderboardScores:withEligibleChallenges:withCompletionHandler:]

Added -[GKLeaderboardEntry challengeComposeControllerWithMessage:players:completionHandler:]

Modified +[GKScore reportScores:withEligibleChallenges:withCompletionHandler:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	pass GKLeaderboardScore to reportLeaderboardScores:withEligibleChallenges:withCompletionHandler instead

GKChallengeEventHandler.h

Modified GKChallengeEventHandler.delegate

	Declaration
From	@property (nonatomic, assign) id<GKChallengeEventHandlerDelegate> delegate
To	@property (nonatomic, weak) id<GKChallengeEventHandlerDelegate> delegate

GKError.h

Added GKErrorNotAuthorized

Added GKErrorConnectionTimeout

Added GKErrorAPIObsolete

GKFriendRequestComposeViewController.h

Modified GKFriendRequestComposeViewController.composeViewDelegate

	Declaration
From	@property (nonatomic, assign) id<GKFriendRequestComposeViewControllerDelegate> composeViewDelegate
To	@property (nonatomic, weak) id<GKFriendRequestComposeViewControllerDelegate> composeViewDelegate

GKGameCenterViewController.h

Added GKGameCenterViewControllerStateLocalPlayerProfile

Added GKGameCenterViewControllerStateDashboard

Added -[GKGameCenterViewController initWithState:]

Added -[GKGameCenterViewController initWithLeaderboardID:playerScope:timeScope:]

Added -[GKGameCenterViewController initWithLeaderboard:playerScope:]

Added -[GKGameCenterViewController initWithAchievementID:]

Modified GKGameCenterViewController.viewState

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use -initWithState: instead

Modified GKGameCenterViewController.leaderboardTimeScope

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use -initWithLeaderboard: instead

Modified GKGameCenterViewController.leaderboardIdentifier

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use -initWithLeaderboard: instead

GKLeaderboard.h

Added GKLeaderboardType

Added GKLeaderboardTypeClassic

Added GKLeaderboardTypeRecurring

Added GKLeaderboard.baseLeaderboardID

Added GKLeaderboard.type

Added GKLeaderboard.startDate

Added GKLeaderboard.nextStartDate

Added GKLeaderboard.duration

Added +[GKLeaderboard loadLeaderboardsWithIDs:completionHandler:]

Added -[GKLeaderboard loadPreviousOccurrenceWithCompletionHandler:]

Added +[GKLeaderboard submitScore:context:player:leaderboardIDs:completionHandler:]

Added -[GKLeaderboard submitScore:context:player:completionHandler:]

Added -[GKLeaderboard loadEntriesForPlayerScope:timeScope:range:completionHandler:]

Added -[GKLeaderboard loadEntriesForPlayers:timeScope:completionHandler:]

Modified GKLeaderboard.groupIdentifier

	Declaration
From	@property (nonatomic, readonly, retain) NSString *groupIdentifier
To	@property (nonatomic, readonly, strong) NSString *groupIdentifier

Modified GKLeaderboard.timeScope

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use loadEntriesForPlayerScope:timeScope:range:completionHandler: instead.

Modified GKLeaderboard.playerScope

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use loadEntriesForPlayerScope:timeScope:range:completionHandler: instead.

Modified GKLeaderboard.identifier

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use loadEntriesForPlayerScope:timeScope:range:completionHandler: instead.

Modified GKLeaderboard.range

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use loadEntriesForPlayerScope:timeScope:range:completionHandler: instead.

Modified GKLeaderboard.scores

	Declaration	Availability	Deprecation Message
From	@property (nonatomic, readonly, retain) NSArray<GKScore > scores	Available	none
To	@property (nonatomic, readonly, strong) NSArray<GKScore > scores	Deprecated	Use loadEntriesForPlayerScope:timeScope:range:completionHandler: to obtain scores.

Modified GKLeaderboard.maxRange

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use loadEntriesForPlayerScope:timeScope:range:completionHandler: method to obtain the size of the leaderboard.

Modified GKLeaderboard.localPlayerScore

	Declaration	Availability	Deprecation Message
From	@property (nonatomic, readonly, retain) GKScore *localPlayerScore	Available	none
To	@property (nonatomic, readonly, strong) GKScore *localPlayerScore	Deprecated	Use loadEntriesForPlayerScope:timeScope:range:completionHandler: method to obtain scores.

Modified GKLeaderboard.loading

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use loadEntriesForPlayerScope:timeScope:range:completionHandler: method to obtain scores.

Modified -[GKLeaderboard init]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Do not instantiate GKLeaderboard directly. Use class method loadLeaderboardsWithIDs:completionHandler: to get the leaderboards.

Modified -[GKLeaderboard initWithPlayers:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use instance method loadEntriesForPlayers:timeScope:completionHandler: instead.

Modified -[GKLeaderboard loadScoresWithCompletionHandler:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use loadEntriesForPlayerScope:timeScope:range:completionHandler:.

Modified +[GKLeaderboard loadLeaderboardsWithCompletionHandler:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use class method loadLeaderboardsWithIDs:completionHandler:

GKLeaderboardEntry.h

Added GKLeaderboardEntry

Added GKLeaderboardEntry.player

Added GKLeaderboardEntry.rank

Added GKLeaderboardEntry.score

Added GKLeaderboardEntry.formattedScore

Added GKLeaderboardEntry.context

Added GKLeaderboardEntry.date

GKLeaderboardScore.h

Added GKLeaderboardScore

Added GKLeaderboardScore.player

Added GKLeaderboardScore.value

Added GKLeaderboardScore.context

Added GKLeaderboardScore.leaderboardID

GKLeaderboardSet.h

Added -[GKLeaderboardSet loadLeaderboardsWithHandler:]

Modified GKLeaderboardSet.groupIdentifier

	Declaration
From	@property (nonatomic, readonly, retain) NSString *groupIdentifier
To	@property (nonatomic, readonly, strong) NSString *groupIdentifier

Modified -[GKLeaderboardSet loadLeaderboardsWithCompletionHandler:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use loadLeaderboardsWithHandler: instead.

GKLocalPlayer.h

Removed GKAuthenticationType

Removed GKAuthenticatingWithoutUI

Removed GKAuthenticatingWithGreenBuddyUI

Removed GKAuthenticatingWithAuthKitInvocation

Added GKLocalPlayer.personalizedCommunicationRestricted

GKMatch.h

Modified GKMatch.delegate

	Declaration
From	@property (nonatomic, assign) id<GKMatchDelegate> delegate
To	@property (nonatomic, weak) id<GKMatchDelegate> delegate

Modified GKMatch.playerIDs

	Declaration
From	@property (nonatomic, readonly) NSArray<NSString > playerIDs
To	@property (nonatomic, readonly) NSArray<NSString > playerIDs

GKMatchmaker.h

Modified GKMatchRequest.restrictToAutomatch

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Set the matchmakingMode of GKMatchmakerViewController instead.

GKMatchmakerViewController.h

Added GKMatchmakingMode

Added GKMatchmakingModeDefault

Added GKMatchmakingModeNearbyOnly

Added GKMatchmakingModeAutomatchOnly

Added GKMatchmakerViewController.matchmakingMode

Modified GKMatchmakerViewController.matchmakerDelegate

	Declaration
From	@property (nonatomic, assign) id<GKMatchmakerViewControllerDelegate> matchmakerDelegate
To	@property (nonatomic, weak) id<GKMatchmakerViewControllerDelegate> matchmakerDelegate

GKPeerPickerController.h

Modified GKPeerPickerController.delegate

	Declaration
From	@property (nonatomic, assign) id<GKPeerPickerControllerDelegate> delegate
To	@property (nonatomic, weak) id<GKPeerPickerControllerDelegate> delegate

GKPlayer.h

Added GKPlayerIDNoLongerAvailable

Added GKPlayer.isInvitable

GKPublicConstants.h

Added GKPeerStateConnectedRelay

GKScore.h

Modified GKScore

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Replaced by GKLeaderboardEntry

Modified GKScore.playerID

	Declaration
From	@property (nonatomic, readonly, retain) NSString *playerID
To	@property (nonatomic, readonly, retain) NSString *playerID

GKSession.h

Modified GKSession.delegate

	Declaration
From	@property (assign) id<GKSessionDelegate> delegate
To	@property (weak) id<GKSessionDelegate> delegate

GKTurnBasedMatch.h

Added -[GKTurnBasedMatch endMatchInTurnWithMatchData:leaderboardScores:achievements:completionHandler:]

Modified GKTurnBasedParticipant.player

	Declaration
From	@property (nonatomic, readonly, retain) GKPlayer *player
To	@property (nonatomic, readonly, strong) GKPlayer *player

Modified GKTurnBasedMatch.matchID

	Declaration
From	@property (nonatomic, readonly, retain) NSString *matchID
To	@property (nonatomic, readonly, strong) NSString *matchID

Modified GKTurnBasedMatch.creationDate

	Declaration
From	@property (nonatomic, readonly, retain) NSDate *creationDate
To	@property (nonatomic, readonly, strong) NSDate *creationDate

Modified GKTurnBasedMatch.participants

	Declaration
From	@property (nonatomic, readonly, retain) NSArray<GKTurnBasedParticipant > participants
To	@property (nonatomic, readonly, strong) NSArray<GKTurnBasedParticipant > participants

Modified GKTurnBasedMatch.currentParticipant

	Declaration
From	@property (nonatomic, readonly, retain) GKTurnBasedParticipant *currentParticipant
To	@property (nonatomic, readonly, strong) GKTurnBasedParticipant *currentParticipant

Modified GKTurnBasedMatch.matchData

	Declaration
From	@property (nonatomic, readonly, retain) NSData *matchData
To	@property (nonatomic, readonly, strong) NSData *matchData

Modified GKTurnBasedMatch.exchanges

	Declaration
From	@property (nonatomic, readonly, retain) NSArray<GKTurnBasedExchange > exchanges
To	@property (nonatomic, readonly, strong) NSArray<GKTurnBasedExchange > exchanges

Modified GKTurnBasedMatch.activeExchanges

	Declaration
From	@property (nonatomic, readonly, retain) NSArray<GKTurnBasedExchange > activeExchanges
To	@property (nonatomic, readonly, strong) NSArray<GKTurnBasedExchange > activeExchanges

Modified GKTurnBasedMatch.completedExchanges

	Declaration
From	@property (nonatomic, readonly, retain) NSArray<GKTurnBasedExchange > completedExchanges
To	@property (nonatomic, readonly, strong) NSArray<GKTurnBasedExchange > completedExchanges

Modified -[GKTurnBasedMatch endMatchInTurnWithMatchData:scores:achievements:completionHandler:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	pass GKLeaderboardScore to endMatchInTurnWithMatchData:scores:completionHandler instead

Modified GKTurnBasedEventHandler.delegate

	Declaration
From	@property (nonatomic, assign) NSObject<GKTurnBasedEventHandlerDelegate> *delegate
To	@property (nonatomic, weak) NSObject<GKTurnBasedEventHandlerDelegate> *delegate

GKVoiceChat.h

Modified GKVoiceChat.playerIDs

	Declaration
From	@property (nonatomic, readonly) NSArray<NSString > playerIDs
To	@property (nonatomic, readonly) NSArray<NSString > playerIDs