GameKit iOS 11.0 Beta 3 to Beta 4 API Differences

GKTurnBasedMatch.h
Modified -[GKTurnBasedMatch sendExchangeToParticipants:data:localizableMessageKey:arguments:timeout:completionHandler:]
Declaration
From- (void)sendExchangeToParticipants:(nonnull NSArray<GKTurnBasedParticipant *> *)participants data:(nonnull NSData *)data localizableMessageKey:(nonnull NSString *)key arguments:(nonnull NSArray<NSString *> *)arguments timeout:(NSTimeInterval)timeout completionHandler:(nullable void (^)(GKTurnBasedExchange * _Nonnull, NSError * _Nullable))completionHandler
To- (void)sendExchangeToParticipants:(nonnull NSArray<GKTurnBasedParticipant *> *)participants data:(nonnull NSData *)data localizableMessageKey:(nonnull NSString *)key arguments:(nonnull NSArray<NSString *> *)arguments timeout:(NSTimeInterval)timeout completionHandler:(nullable void (^)(GKTurnBasedExchange * _Nullable, NSError * _Nullable))completionHandler