CloudKit Changes for Objective-C

CloudKit

CKAsset.h

	Declaration
From	@property(nonatomic, readonly, copy) NSURL *fileURL
To	@property(nonatomic, readonly, copy, nonnull) NSURL *fileURL

Modified -[CKAsset initWithFileURL:]

	Declaration
From	- (instancetype)initWithFileURL:(NSURL *)fileURL
To	- (instancetype _Nonnull)initWithFileURL:(NSURL * _Nonnull)fileURL

CKContainer.h

Added CKAccountChangedNotification

Modified -[CKContainer accountStatusWithCompletionHandler:]

	Declaration
From	- (void)accountStatusWithCompletionHandler:(void (^)(CKAccountStatus accountStatus, NSError *error))completionHandler
To	- (void)accountStatusWithCompletionHandler:(void (^ _Nonnull)(CKAccountStatus accountStatus, NSError * _Nullable error))completionHandler

Declaration

From

- (void)accountStatusWithCompletionHandler:(void (^)(CKAccountStatus accountStatus, NSError *error))completionHandler

- (void)accountStatusWithCompletionHandler:(void (^ _Nonnull)(CKAccountStatus accountStatus, NSError * _Nullable error))completionHandler

Modified -[CKContainer addOperation:]

	Declaration
From	- (void)addOperation:(CKOperation *)operation
To	- (void)addOperation:(CKOperation * _Nonnull)operation

Modified CKContainer.containerIdentifier

	Declaration
From	@property(nonatomic, readonly) NSString *containerIdentifier
To	@property(nonatomic, readonly, nullable) NSString *containerIdentifier

Modified +[CKContainer containerWithIdentifier:]

	Declaration
From	+ (CKContainer )containerWithIdentifier:(NSString )containerIdentifier
To	+ (CKContainer * _Nonnull)containerWithIdentifier:(NSString * _Nonnull)containerIdentifier

Modified +[CKContainer defaultContainer]

	Declaration
From	+ (CKContainer *)defaultContainer
To	+ (CKContainer * _Nonnull)defaultContainer

Modified -[CKContainer discoverAllContactUserInfosWithCompletionHandler:]

	Declaration
From	- (void)discoverAllContactUserInfosWithCompletionHandler:(void (^)(NSArray userInfos, NSError error))completionHandler
To	- (void)discoverAllContactUserInfosWithCompletionHandler:(void (^ _Nonnull)(NSArray<CKDiscoveredUserInfo > _Nullable userInfos, NSError * _Nullable error))completionHandler

Declaration

From

- (void)discoverAllContactUserInfosWithCompletionHandler:(void (^)(NSArray *userInfos, NSError *error))completionHandler

- (void)discoverAllContactUserInfosWithCompletionHandler:(void (^ _Nonnull)(NSArray<CKDiscoveredUserInfo *> * _Nullable userInfos, NSError * _Nullable error))completionHandler

Modified -[CKContainer discoverUserInfoWithEmailAddress:completionHandler:]

	Declaration
From	- (void)discoverUserInfoWithEmailAddress:(NSString )email completionHandler:(void (^)(CKDiscoveredUserInfo userInfo, NSError *error))completionHandler
To	- (void)discoverUserInfoWithEmailAddress:(NSString * _Nonnull)email completionHandler:(void (^ _Nonnull)(CKDiscoveredUserInfo * _Nullable userInfo, NSError * _Nullable error))completionHandler

Declaration

From

- (void)discoverUserInfoWithEmailAddress:(NSString *)email completionHandler:(void (^)(CKDiscoveredUserInfo *userInfo, NSError *error))completionHandler

- (void)discoverUserInfoWithEmailAddress:(NSString * _Nonnull)email completionHandler:(void (^ _Nonnull)(CKDiscoveredUserInfo * _Nullable userInfo, NSError * _Nullable error))completionHandler

Modified -[CKContainer discoverUserInfoWithUserRecordID:completionHandler:]

	Declaration
From	- (void)discoverUserInfoWithUserRecordID:(CKRecordID )userRecordID completionHandler:(void (^)(CKDiscoveredUserInfo userInfo, NSError *error))completionHandler
To	- (void)discoverUserInfoWithUserRecordID:(CKRecordID * _Nonnull)userRecordID completionHandler:(void (^ _Nonnull)(CKDiscoveredUserInfo * _Nullable userInfo, NSError * _Nullable error))completionHandler

Declaration

From

- (void)discoverUserInfoWithUserRecordID:(CKRecordID *)userRecordID completionHandler:(void (^)(CKDiscoveredUserInfo *userInfo, NSError *error))completionHandler

- (void)discoverUserInfoWithUserRecordID:(CKRecordID * _Nonnull)userRecordID completionHandler:(void (^ _Nonnull)(CKDiscoveredUserInfo * _Nullable userInfo, NSError * _Nullable error))completionHandler

Modified -[CKContainer fetchUserRecordIDWithCompletionHandler:]

	Declaration
From	- (void)fetchUserRecordIDWithCompletionHandler:(void (^)(CKRecordID recordID, NSError error))completionHandler
To	- (void)fetchUserRecordIDWithCompletionHandler:(void (^ _Nonnull)(CKRecordID * _Nullable recordID, NSError * _Nullable error))completionHandler

Declaration

From

- (void)fetchUserRecordIDWithCompletionHandler:(void (^)(CKRecordID *recordID, NSError *error))completionHandler

- (void)fetchUserRecordIDWithCompletionHandler:(void (^ _Nonnull)(CKRecordID * _Nullable recordID, NSError * _Nullable error))completionHandler

Modified CKContainer.privateCloudDatabase

	Declaration
From	@property(nonatomic, readonly) CKDatabase *privateCloudDatabase
To	@property(nonatomic, readonly, nonnull) CKDatabase *privateCloudDatabase

Modified CKContainer.publicCloudDatabase

	Declaration
From	@property(nonatomic, readonly) CKDatabase *publicCloudDatabase
To	@property(nonatomic, readonly, nonnull) CKDatabase *publicCloudDatabase

Modified -[CKContainer requestApplicationPermission:completionHandler:]

	Declaration
From	- (void)requestApplicationPermission:(CKApplicationPermissions)applicationPermission completionHandler:(CKApplicationPermissionBlock)completionHandler
To	- (void)requestApplicationPermission:(CKApplicationPermissions)applicationPermission completionHandler:(CKApplicationPermissionBlock _Nonnull)completionHandler

Declaration

From

- (void)requestApplicationPermission:(CKApplicationPermissions)applicationPermission completionHandler:(CKApplicationPermissionBlock)completionHandler

- (void)requestApplicationPermission:(CKApplicationPermissions)applicationPermission completionHandler:(CKApplicationPermissionBlock _Nonnull)completionHandler

Modified -[CKContainer statusForApplicationPermission:completionHandler:]

	Declaration
From	- (void)statusForApplicationPermission:(CKApplicationPermissions)applicationPermission completionHandler:(CKApplicationPermissionBlock)completionHandler
To	- (void)statusForApplicationPermission:(CKApplicationPermissions)applicationPermission completionHandler:(CKApplicationPermissionBlock _Nonnull)completionHandler

Declaration

From

- (void)statusForApplicationPermission:(CKApplicationPermissions)applicationPermission completionHandler:(CKApplicationPermissionBlock)completionHandler

- (void)statusForApplicationPermission:(CKApplicationPermissions)applicationPermission completionHandler:(CKApplicationPermissionBlock _Nonnull)completionHandler

CKDatabase.h

Modified -[CKDatabase addOperation:]

	Declaration
From	- (void)addOperation:(CKDatabaseOperation *)operation
To	- (void)addOperation:(CKDatabaseOperation * _Nonnull)operation

Modified -[CKDatabase deleteRecordWithID:completionHandler:]

	Declaration
From	- (void)deleteRecordWithID:(CKRecordID )recordID completionHandler:(void (^)(CKRecordID recordID, NSError *error))completionHandler
To	- (void)deleteRecordWithID:(CKRecordID * _Nonnull)recordID completionHandler:(void (^ _Nonnull)(CKRecordID * _Nullable recordID, NSError * _Nullable error))completionHandler

Declaration

From

- (void)deleteRecordWithID:(CKRecordID *)recordID completionHandler:(void (^)(CKRecordID *recordID, NSError *error))completionHandler

- (void)deleteRecordWithID:(CKRecordID * _Nonnull)recordID completionHandler:(void (^ _Nonnull)(CKRecordID * _Nullable recordID, NSError * _Nullable error))completionHandler

Modified -[CKDatabase deleteRecordZoneWithID:completionHandler:]

	Declaration
From	- (void)deleteRecordZoneWithID:(CKRecordZoneID )zoneID completionHandler:(void (^)(CKRecordZoneID zoneID, NSError *error))completionHandler
To	- (void)deleteRecordZoneWithID:(CKRecordZoneID * _Nonnull)zoneID completionHandler:(void (^ _Nonnull)(CKRecordZoneID * _Nullable zoneID, NSError * _Nullable error))completionHandler

Declaration

From

- (void)deleteRecordZoneWithID:(CKRecordZoneID *)zoneID completionHandler:(void (^)(CKRecordZoneID *zoneID, NSError *error))completionHandler

- (void)deleteRecordZoneWithID:(CKRecordZoneID * _Nonnull)zoneID completionHandler:(void (^ _Nonnull)(CKRecordZoneID * _Nullable zoneID, NSError * _Nullable error))completionHandler

Modified -[CKDatabase deleteSubscriptionWithID:completionHandler:]

	Declaration
From	- (void)deleteSubscriptionWithID:(NSString )subscriptionID completionHandler:(void (^)(NSString subscriptionID, NSError *error))completionHandler
To	- (void)deleteSubscriptionWithID:(NSString * _Nonnull)subscriptionID completionHandler:(void (^ _Nonnull)(NSString * _Nullable subscriptionID, NSError * _Nullable error))completionHandler

Declaration

From

- (void)deleteSubscriptionWithID:(NSString *)subscriptionID completionHandler:(void (^)(NSString *subscriptionID, NSError *error))completionHandler

- (void)deleteSubscriptionWithID:(NSString * _Nonnull)subscriptionID completionHandler:(void (^ _Nonnull)(NSString * _Nullable subscriptionID, NSError * _Nullable error))completionHandler

Modified -[CKDatabase fetchAllRecordZonesWithCompletionHandler:]

	Declaration
From	- (void)fetchAllRecordZonesWithCompletionHandler:(void (^)(NSArray zones, NSError error))completionHandler
To	- (void)fetchAllRecordZonesWithCompletionHandler:(void (^ _Nonnull)(NSArray<CKRecordZone > _Nullable zones, NSError * _Nullable error))completionHandler

Declaration

From

- (void)fetchAllRecordZonesWithCompletionHandler:(void (^)(NSArray *zones, NSError *error))completionHandler

- (void)fetchAllRecordZonesWithCompletionHandler:(void (^ _Nonnull)(NSArray<CKRecordZone *> * _Nullable zones, NSError * _Nullable error))completionHandler

Modified -[CKDatabase fetchAllSubscriptionsWithCompletionHandler:]

	Declaration
From	- (void)fetchAllSubscriptionsWithCompletionHandler:(void (^)(NSArray subscriptions, NSError error))completionHandler
To	- (void)fetchAllSubscriptionsWithCompletionHandler:(void (^ _Nonnull)(NSArray<CKSubscription > _Nullable subscriptions, NSError * _Nullable error))completionHandler

Declaration

From

- (void)fetchAllSubscriptionsWithCompletionHandler:(void (^)(NSArray *subscriptions, NSError *error))completionHandler

- (void)fetchAllSubscriptionsWithCompletionHandler:(void (^ _Nonnull)(NSArray<CKSubscription *> * _Nullable subscriptions, NSError * _Nullable error))completionHandler

Modified -[CKDatabase fetchRecordWithID:completionHandler:]

	Declaration
From	- (void)fetchRecordWithID:(CKRecordID )recordID completionHandler:(void (^)(CKRecord record, NSError *error))completionHandler
To	- (void)fetchRecordWithID:(CKRecordID * _Nonnull)recordID completionHandler:(void (^ _Nonnull)(CKRecord * _Nullable record, NSError * _Nullable error))completionHandler

Declaration

From

- (void)fetchRecordWithID:(CKRecordID *)recordID completionHandler:(void (^)(CKRecord *record, NSError *error))completionHandler

- (void)fetchRecordWithID:(CKRecordID * _Nonnull)recordID completionHandler:(void (^ _Nonnull)(CKRecord * _Nullable record, NSError * _Nullable error))completionHandler

Modified -[CKDatabase fetchRecordZoneWithID:completionHandler:]

	Declaration
From	- (void)fetchRecordZoneWithID:(CKRecordZoneID )zoneID completionHandler:(void (^)(CKRecordZone zone, NSError *error))completionHandler
To	- (void)fetchRecordZoneWithID:(CKRecordZoneID * _Nonnull)zoneID completionHandler:(void (^ _Nonnull)(CKRecordZone * _Nullable zone, NSError * _Nullable error))completionHandler

Declaration

From

- (void)fetchRecordZoneWithID:(CKRecordZoneID *)zoneID completionHandler:(void (^)(CKRecordZone *zone, NSError *error))completionHandler

- (void)fetchRecordZoneWithID:(CKRecordZoneID * _Nonnull)zoneID completionHandler:(void (^ _Nonnull)(CKRecordZone * _Nullable zone, NSError * _Nullable error))completionHandler

Modified -[CKDatabase fetchSubscriptionWithID:completionHandler:]

	Declaration
From	- (void)fetchSubscriptionWithID:(NSString )subscriptionID completionHandler:(void (^)(CKSubscription subscription, NSError *error))completionHandler
To	- (void)fetchSubscriptionWithID:(NSString * _Nonnull)subscriptionID completionHandler:(void (^ _Nonnull)(CKSubscription * _Nullable subscription, NSError * _Nullable error))completionHandler

Declaration

From

- (void)fetchSubscriptionWithID:(NSString *)subscriptionID completionHandler:(void (^)(CKSubscription *subscription, NSError *error))completionHandler

- (void)fetchSubscriptionWithID:(NSString * _Nonnull)subscriptionID completionHandler:(void (^ _Nonnull)(CKSubscription * _Nullable subscription, NSError * _Nullable error))completionHandler

Modified -[CKDatabase performQuery:inZoneWithID:completionHandler:]

	Declaration
From	- (void)performQuery:(CKQuery )query inZoneWithID:(CKRecordZoneID )zoneID completionHandler:(void (^)(NSArray results, NSError error))completionHandler
To	- (void)performQuery:(CKQuery * _Nonnull)query inZoneWithID:(CKRecordZoneID * _Nullable)zoneID completionHandler:(void (^ _Nonnull)(NSArray<CKRecord > _Nullable results, NSError * _Nullable error))completionHandler

Declaration

From

- (void)performQuery:(CKQuery *)query inZoneWithID:(CKRecordZoneID *)zoneID completionHandler:(void (^)(NSArray *results, NSError *error))completionHandler

- (void)performQuery:(CKQuery * _Nonnull)query inZoneWithID:(CKRecordZoneID * _Nullable)zoneID completionHandler:(void (^ _Nonnull)(NSArray<CKRecord *> * _Nullable results, NSError * _Nullable error))completionHandler

Modified -[CKDatabase saveRecord:completionHandler:]

	Declaration
From	- (void)saveRecord:(CKRecord )record completionHandler:(void (^)(CKRecord record, NSError *error))completionHandler
To	- (void)saveRecord:(CKRecord * _Nonnull)record completionHandler:(void (^ _Nonnull)(CKRecord * _Nullable record, NSError * _Nullable error))completionHandler

Declaration

From

- (void)saveRecord:(CKRecord *)record completionHandler:(void (^)(CKRecord *record, NSError *error))completionHandler

- (void)saveRecord:(CKRecord * _Nonnull)record completionHandler:(void (^ _Nonnull)(CKRecord * _Nullable record, NSError * _Nullable error))completionHandler

Modified -[CKDatabase saveRecordZone:completionHandler:]

	Declaration
From	- (void)saveRecordZone:(CKRecordZone )zone completionHandler:(void (^)(CKRecordZone zone, NSError *error))completionHandler
To	- (void)saveRecordZone:(CKRecordZone * _Nonnull)zone completionHandler:(void (^ _Nonnull)(CKRecordZone * _Nullable zone, NSError * _Nullable error))completionHandler

Declaration

From

- (void)saveRecordZone:(CKRecordZone *)zone completionHandler:(void (^)(CKRecordZone *zone, NSError *error))completionHandler

- (void)saveRecordZone:(CKRecordZone * _Nonnull)zone completionHandler:(void (^ _Nonnull)(CKRecordZone * _Nullable zone, NSError * _Nullable error))completionHandler

Modified -[CKDatabase saveSubscription:completionHandler:]

	Declaration
From	- (void)saveSubscription:(CKSubscription )subscription completionHandler:(void (^)(CKSubscription subscription, NSError *error))completionHandler
To	- (void)saveSubscription:(CKSubscription * _Nonnull)subscription completionHandler:(void (^ _Nonnull)(CKSubscription * _Nullable subscription, NSError * _Nullable error))completionHandler

Declaration

From

- (void)saveSubscription:(CKSubscription *)subscription completionHandler:(void (^)(CKSubscription *subscription, NSError *error))completionHandler

- (void)saveSubscription:(CKSubscription * _Nonnull)subscription completionHandler:(void (^ _Nonnull)(CKSubscription * _Nullable subscription, NSError * _Nullable error))completionHandler

CKDatabaseOperation.h

Modified CKDatabaseOperation.database

	Declaration
From	@property(nonatomic, strong) CKDatabase *database
To	@property(nonatomic, strong, nullable) CKDatabase *database

CKDiscoverAllContactsOperation.h

Modified CKDiscoverAllContactsOperation.discoverAllContactsCompletionBlock

	Declaration
From	@property(nonatomic, copy) void (^discoverAllContactsCompletionBlock)(NSArray userInfos, NSError operationError)
To	@property(nonatomic, copy, nullable) void (^discoverAllContactsCompletionBlock)(NSArray<CKDiscoveredUserInfo > _Nullable userInfos, NSError * _Nullable operationError)

Declaration

From

@property(nonatomic, copy) void (^discoverAllContactsCompletionBlock)(NSArray *userInfos, NSError *operationError)

@property(nonatomic, copy, nullable) void (^discoverAllContactsCompletionBlock)(NSArray<CKDiscoveredUserInfo *> * _Nullable userInfos, NSError * _Nullable operationError)

Modified -[CKDiscoverAllContactsOperation init]

	Declaration
From	- (instancetype)init
To	- (instancetype _Nonnull)init

CKDiscoveredUserInfo.h

Added CKDiscoveredUserInfo.displayContact

Modified CKDiscoveredUserInfo.firstName

	Declaration	Deprecation
From	@property(nonatomic, readonly, copy) NSString *firstName	--
To	@property(nonatomic, readonly, copy, nullable) NSString *firstName	OS X 10.11

Modified CKDiscoveredUserInfo.lastName

	Declaration	Deprecation
From	@property(nonatomic, readonly, copy) NSString *lastName	--
To	@property(nonatomic, readonly, copy, nullable) NSString *lastName	OS X 10.11

Modified CKDiscoveredUserInfo.userRecordID

	Declaration
From	@property(nonatomic, readonly, copy) CKRecordID *userRecordID
To	@property(nonatomic, readonly, copy, nullable) CKRecordID *userRecordID

CKDiscoverUserInfosOperation.h

Modified CKDiscoverUserInfosOperation.discoverUserInfosCompletionBlock

	Declaration
From	@property(nonatomic, copy) void (^discoverUserInfosCompletionBlock)(NSDictionary emailsToUserInfos, NSDictionary userRecordIDsToUserInfos, NSError *operationError)
To	@property(nonatomic, copy, nullable) void (^discoverUserInfosCompletionBlock)(NSDictionary<NSString ,CKDiscoveredUserInfo > * _Nullable emailsToUserInfos, NSDictionary<CKRecordID ,CKDiscoveredUserInfo > * _Nullable userRecordIDsToUserInfos, NSError * _Nullable operationError)

Declaration

From

@property(nonatomic, copy) void (^discoverUserInfosCompletionBlock)(NSDictionary *emailsToUserInfos, NSDictionary *userRecordIDsToUserInfos, NSError *operationError)

@property(nonatomic, copy, nullable) void (^discoverUserInfosCompletionBlock)(NSDictionary<NSString *,CKDiscoveredUserInfo *> * _Nullable emailsToUserInfos, NSDictionary<CKRecordID *,CKDiscoveredUserInfo *> * _Nullable userRecordIDsToUserInfos, NSError * _Nullable operationError)

Modified CKDiscoverUserInfosOperation.emailAddresses

	Declaration
From	@property(nonatomic, copy) NSArray *emailAddresses
To	@property(nonatomic, copy, nullable) NSArray<NSString > emailAddresses

Modified -[CKDiscoverUserInfosOperation init]

	Declaration
From	- (instancetype)init
To	- (instancetype _Nonnull)init

Modified -[CKDiscoverUserInfosOperation initWithEmailAddresses:userRecordIDs:]

	Declaration
From	- (instancetype)initWithEmailAddresses:(NSArray )emailAddresses userRecordIDs:(NSArray )userRecordIDs
To	- (instancetype _Nonnull)initWithEmailAddresses:(NSArray<NSString > _Nullable)emailAddresses userRecordIDs:(NSArray<CKRecordID > _Nullable)userRecordIDs

Declaration

From

- (instancetype)initWithEmailAddresses:(NSArray *)emailAddresses userRecordIDs:(NSArray *)userRecordIDs

- (instancetype _Nonnull)initWithEmailAddresses:(NSArray<NSString *> * _Nullable)emailAddresses userRecordIDs:(NSArray<CKRecordID *> * _Nullable)userRecordIDs

Modified CKDiscoverUserInfosOperation.userRecordIDs

	Declaration
From	@property(nonatomic, copy) NSArray *userRecordIDs
To	@property(nonatomic, copy, nullable) NSArray<CKRecordID > userRecordIDs

CKFetchNotificationChangesOperation.h

Modified CKFetchNotificationChangesOperation.fetchNotificationChangesCompletionBlock

	Declaration
From	@property(nonatomic, copy) void (^fetchNotificationChangesCompletionBlock)(CKServerChangeToken serverChangeToken, NSError operationError)
To	@property(nonatomic, copy, nullable) void (^fetchNotificationChangesCompletionBlock)(CKServerChangeToken * _Nullable serverChangeToken, NSError * _Nullable operationError)

Declaration

From

@property(nonatomic, copy) void (^fetchNotificationChangesCompletionBlock)(CKServerChangeToken *serverChangeToken, NSError *operationError)

@property(nonatomic, copy, nullable) void (^fetchNotificationChangesCompletionBlock)(CKServerChangeToken * _Nullable serverChangeToken, NSError * _Nullable operationError)

Modified -[CKFetchNotificationChangesOperation initWithPreviousServerChangeToken:]

	Declaration
From	- (instancetype)initWithPreviousServerChangeToken:(CKServerChangeToken *)previousServerChangeToken
To	- (instancetype _Nonnull)initWithPreviousServerChangeToken:(CKServerChangeToken * _Nullable)previousServerChangeToken

Declaration

From

- (instancetype)initWithPreviousServerChangeToken:(CKServerChangeToken *)previousServerChangeToken

- (instancetype _Nonnull)initWithPreviousServerChangeToken:(CKServerChangeToken * _Nullable)previousServerChangeToken

Modified CKFetchNotificationChangesOperation.notificationChangedBlock

	Declaration
From	@property(nonatomic, copy) void (^notificationChangedBlock)(CKNotification *notification)
To	@property(nonatomic, copy, nullable) void (^notificationChangedBlock)(CKNotification * _Nonnull notification)

Modified CKFetchNotificationChangesOperation.previousServerChangeToken

	Declaration
From	@property(nonatomic, copy) CKServerChangeToken *previousServerChangeToken
To	@property(nonatomic, copy, nullable) CKServerChangeToken *previousServerChangeToken

CKFetchRecordChangesOperation.h

Modified CKFetchRecordChangesOperation.desiredKeys

	Declaration
From	@property(nonatomic, copy) NSArray *desiredKeys
To	@property(nonatomic, copy, nullable) NSArray<NSString > desiredKeys

Modified CKFetchRecordChangesOperation.fetchRecordChangesCompletionBlock

	Declaration
From	@property(nonatomic, copy) void (^fetchRecordChangesCompletionBlock)(CKServerChangeToken serverChangeToken, NSData clientChangeTokenData, NSError *operationError)
To	@property(nonatomic, copy, nullable) void (^fetchRecordChangesCompletionBlock)(CKServerChangeToken * _Nullable serverChangeToken, NSData * _Nullable clientChangeTokenData, NSError * _Nullable operationError)

Declaration

From

@property(nonatomic, copy) void (^fetchRecordChangesCompletionBlock)(CKServerChangeToken *serverChangeToken, NSData *clientChangeTokenData, NSError *operationError)

@property(nonatomic, copy, nullable) void (^fetchRecordChangesCompletionBlock)(CKServerChangeToken * _Nullable serverChangeToken, NSData * _Nullable clientChangeTokenData, NSError * _Nullable operationError)

Modified -[CKFetchRecordChangesOperation initWithRecordZoneID:previousServerChangeToken:]

	Declaration
From	- (instancetype)initWithRecordZoneID:(CKRecordZoneID )recordZoneID previousServerChangeToken:(CKServerChangeToken )previousServerChangeToken
To	- (instancetype _Nonnull)initWithRecordZoneID:(CKRecordZoneID * _Nonnull)recordZoneID previousServerChangeToken:(CKServerChangeToken * _Nullable)previousServerChangeToken

Declaration

From

- (instancetype)initWithRecordZoneID:(CKRecordZoneID *)recordZoneID previousServerChangeToken:(CKServerChangeToken *)previousServerChangeToken

- (instancetype _Nonnull)initWithRecordZoneID:(CKRecordZoneID * _Nonnull)recordZoneID previousServerChangeToken:(CKServerChangeToken * _Nullable)previousServerChangeToken

Modified CKFetchRecordChangesOperation.previousServerChangeToken

	Declaration
From	@property(nonatomic, copy) CKServerChangeToken *previousServerChangeToken
To	@property(nonatomic, copy, nullable) CKServerChangeToken *previousServerChangeToken

Modified CKFetchRecordChangesOperation.recordChangedBlock

	Declaration
From	@property(nonatomic, copy) void (^recordChangedBlock)(CKRecord *record)
To	@property(nonatomic, copy, nullable) void (^recordChangedBlock)(CKRecord * _Nonnull record)

Modified CKFetchRecordChangesOperation.recordWithIDWasDeletedBlock

	Declaration
From	@property(nonatomic, copy) void (^recordWithIDWasDeletedBlock)(CKRecordID *recordID)
To	@property(nonatomic, copy, nullable) void (^recordWithIDWasDeletedBlock)(CKRecordID * _Nonnull recordID)

Modified CKFetchRecordChangesOperation.recordZoneID

	Declaration
From	@property(nonatomic, copy) CKRecordZoneID *recordZoneID
To	@property(nonatomic, copy, nonnull) CKRecordZoneID *recordZoneID

CKFetchRecordsOperation.h

Modified CKFetchRecordsOperation.desiredKeys

	Declaration
From	@property(nonatomic, copy) NSArray *desiredKeys
To	@property(nonatomic, copy, nullable) NSArray<NSString > desiredKeys

Modified +[CKFetchRecordsOperation fetchCurrentUserRecordOperation]

	Declaration
From	+ (instancetype)fetchCurrentUserRecordOperation
To	+ (instancetype _Nonnull)fetchCurrentUserRecordOperation

Modified CKFetchRecordsOperation.fetchRecordsCompletionBlock

Declaration

From

@property(nonatomic, copy) void (^fetchRecordsCompletionBlock)(NSDictionary *recordsByRecordID, NSError *operationError)

@property(nonatomic, copy, nullable) void (^fetchRecordsCompletionBlock)(NSDictionary<CKRecordID *,CKRecord *> * _Nullable recordsByRecordID, NSError * _Nullable operationError)

Modified -[CKFetchRecordsOperation init]

	Declaration
From	- (instancetype)init
To	- (instancetype _Nonnull)init

Modified -[CKFetchRecordsOperation initWithRecordIDs:]

	Declaration
From	- (instancetype)initWithRecordIDs:(NSArray *)recordIDs
To	- (instancetype _Nonnull)initWithRecordIDs:(NSArray<CKRecordID > _Nonnull)recordIDs

Modified CKFetchRecordsOperation.perRecordCompletionBlock

Declaration

From

@property(nonatomic, copy) void (^perRecordCompletionBlock)(CKRecord *record, CKRecordID *recordID, NSError *error)

@property(nonatomic, copy, nullable) void (^perRecordCompletionBlock)(CKRecord * _Nullable record, CKRecordID * _Nullable recordID, NSError * _Nullable error)

Modified CKFetchRecordsOperation.perRecordProgressBlock

Declaration

From

@property(nonatomic, copy) void (^perRecordProgressBlock)(CKRecordID *recordID, double progress)

@property(nonatomic, copy, nullable) void (^perRecordProgressBlock)(CKRecordID * _Nonnull recordID, double progress)

Modified CKFetchRecordsOperation.recordIDs

	Declaration
From	@property(nonatomic, copy) NSArray *recordIDs
To	@property(nonatomic, copy, nullable) NSArray<CKRecordID > recordIDs

CKFetchRecordZonesOperation.h

Modified +[CKFetchRecordZonesOperation fetchAllRecordZonesOperation]

	Declaration
From	+ (instancetype)fetchAllRecordZonesOperation
To	+ (instancetype _Nonnull)fetchAllRecordZonesOperation

Modified CKFetchRecordZonesOperation.fetchRecordZonesCompletionBlock

Declaration

From

@property(nonatomic, copy) void (^fetchRecordZonesCompletionBlock)(NSDictionary *recordZonesByZoneID, NSError *operationError)

@property(nonatomic, copy, nullable) void (^fetchRecordZonesCompletionBlock)(NSDictionary<CKRecordZoneID *,CKRecordZone *> * _Nullable recordZonesByZoneID, NSError * _Nullable operationError)

Modified -[CKFetchRecordZonesOperation init]

	Declaration
From	- (instancetype)init
To	- (instancetype _Nonnull)init

Modified -[CKFetchRecordZonesOperation initWithRecordZoneIDs:]

	Declaration
From	- (instancetype)initWithRecordZoneIDs:(NSArray *)zoneIDs
To	- (instancetype _Nonnull)initWithRecordZoneIDs:(NSArray<CKRecordZoneID > _Nonnull)zoneIDs

Modified CKFetchRecordZonesOperation.recordZoneIDs

	Declaration
From	@property(nonatomic, copy) NSArray *recordZoneIDs
To	@property(nonatomic, copy, nullable) NSArray<CKRecordZoneID > recordZoneIDs

CKFetchSubscriptionsOperation.h

Modified +[CKFetchSubscriptionsOperation fetchAllSubscriptionsOperation]

	Declaration
From	+ (instancetype)fetchAllSubscriptionsOperation
To	+ (instancetype _Nonnull)fetchAllSubscriptionsOperation

Modified CKFetchSubscriptionsOperation.fetchSubscriptionCompletionBlock

Declaration

From

@property(nonatomic, copy) void (^fetchSubscriptionCompletionBlock)(NSDictionary *subscriptionsBySubscriptionID, NSError *operationError)

@property(nonatomic, copy, nullable) void (^fetchSubscriptionCompletionBlock)(NSDictionary<NSString *,CKSubscription *> * _Nullable subscriptionsBySubscriptionID, NSError * _Nullable operationError)

Modified -[CKFetchSubscriptionsOperation init]

	Declaration
From	- (instancetype)init
To	- (instancetype _Nonnull)init

Modified -[CKFetchSubscriptionsOperation initWithSubscriptionIDs:]

	Declaration
From	- (instancetype)initWithSubscriptionIDs:(NSArray *)subscriptionIDs
To	- (instancetype _Nonnull)initWithSubscriptionIDs:(NSArray<NSString > _Nonnull)subscriptionIDs

Modified CKFetchSubscriptionsOperation.subscriptionIDs

	Declaration
From	@property(nonatomic, copy) NSArray *subscriptionIDs
To	@property(nonatomic, copy, nullable) NSArray<NSString > subscriptionIDs

CKLocationSortDescriptor.h

Modified -[CKLocationSortDescriptor initWithCoder:]

	Declaration
From	- (instancetype)initWithCoder:(NSCoder *)aDecoder
To	- (instancetype _Nonnull)initWithCoder:(NSCoder * _Nonnull)aDecoder

Modified -[CKLocationSortDescriptor initWithKey:relativeLocation:]

Declaration

From

- (instancetype)initWithKey:(NSString *)key relativeLocation:(CLLocation *)relativeLocation

- (instancetype _Nonnull)initWithKey:(NSString * _Nonnull)key relativeLocation:(CLLocation * _Nonnull)relativeLocation

Modified CKLocationSortDescriptor.relativeLocation

	Declaration
From	@property(nonatomic, readonly, copy) CLLocation *relativeLocation
To	@property(nonatomic, readonly, copy, nonnull) CLLocation *relativeLocation

CKMarkNotificationsReadOperation.h

Modified -[CKMarkNotificationsReadOperation initWithNotificationIDsToMarkRead:]

	Declaration
From	- (instancetype)initWithNotificationIDsToMarkRead:(NSArray *)notificationIDs
To	- (instancetype _Nonnull)initWithNotificationIDsToMarkRead:(NSArray<CKNotificationID > _Nonnull)notificationIDs

Modified CKMarkNotificationsReadOperation.markNotificationsReadCompletionBlock

Declaration

From

@property(nonatomic, copy) void (^markNotificationsReadCompletionBlock)(NSArray *notificationIDsMarkedRead, NSError *operationError)

@property(nonatomic, copy, nullable) void (^markNotificationsReadCompletionBlock)(NSArray<CKNotificationID *> * _Nullable notificationIDsMarkedRead, NSError * _Nullable operationError)

Modified CKMarkNotificationsReadOperation.notificationIDs

	Declaration
From	@property(nonatomic, copy) NSArray *notificationIDs
To	@property(nonatomic, copy, nonnull) NSArray<CKNotificationID > notificationIDs

CKModifyBadgeOperation.h

Modified -[CKModifyBadgeOperation init]

	Declaration
From	- (instancetype)init
To	- (instancetype _Nonnull)init

Modified -[CKModifyBadgeOperation initWithBadgeValue:]

	Declaration
From	- (instancetype)initWithBadgeValue:(NSUInteger)badgeValue
To	- (instancetype _Nonnull)initWithBadgeValue:(NSUInteger)badgeValue

Modified CKModifyBadgeOperation.modifyBadgeCompletionBlock

	Declaration
From	@property(nonatomic, copy) void (^modifyBadgeCompletionBlock)(NSError *operationError)
To	@property(nonatomic, copy, nullable) void (^modifyBadgeCompletionBlock)(NSError * _Nullable operationError)

CKModifyRecordsOperation.h

Modified CKModifyRecordsOperation.clientChangeTokenData

	Declaration
From	@property(nonatomic, copy) NSData *clientChangeTokenData
To	@property(nonatomic, copy, nullable) NSData *clientChangeTokenData

Modified -[CKModifyRecordsOperation init]

	Declaration
From	- (instancetype)init
To	- (instancetype _Nonnull)init

Modified -[CKModifyRecordsOperation initWithRecordsToSave:recordIDsToDelete:]

Declaration

From

- (instancetype)initWithRecordsToSave:(NSArray *)records recordIDsToDelete:(NSArray *)recordIDs

- (instancetype _Nonnull)initWithRecordsToSave:(NSArray<CKRecord *> * _Nullable)records recordIDsToDelete:(NSArray<CKRecordID *> * _Nullable)recordIDs

Modified CKModifyRecordsOperation.modifyRecordsCompletionBlock

Declaration

From

@property(nonatomic, copy) void (^modifyRecordsCompletionBlock)(NSArray *savedRecords, NSArray *deletedRecordIDs, NSError *operationError)

@property(nonatomic, copy, nullable) void (^modifyRecordsCompletionBlock)(NSArray<CKRecord *> * _Nullable savedRecords, NSArray<CKRecordID *> * _Nullable deletedRecordIDs, NSError * _Nullable operationError)

Modified CKModifyRecordsOperation.perRecordCompletionBlock

Declaration

From

@property(nonatomic, copy) void (^perRecordCompletionBlock)(CKRecord *record, NSError *error)

@property(nonatomic, copy, nullable) void (^perRecordCompletionBlock)(CKRecord * _Nullable record, NSError * _Nullable error)

Modified CKModifyRecordsOperation.perRecordProgressBlock

Declaration

From

@property(nonatomic, copy) void (^perRecordProgressBlock)(CKRecord *record, double progress)

@property(nonatomic, copy, nullable) void (^perRecordProgressBlock)(CKRecord * _Nonnull record, double progress)

Modified CKModifyRecordsOperation.recordIDsToDelete

	Declaration
From	@property(nonatomic, copy) NSArray *recordIDsToDelete
To	@property(nonatomic, copy, nullable) NSArray<CKRecordID > recordIDsToDelete

Modified CKModifyRecordsOperation.recordsToSave

	Declaration
From	@property(nonatomic, copy) NSArray *recordsToSave
To	@property(nonatomic, copy, nullable) NSArray<CKRecord > recordsToSave

CKModifyRecordZonesOperation.h

Modified -[CKModifyRecordZonesOperation init]

	Declaration
From	- (instancetype)init
To	- (instancetype _Nonnull)init

Modified -[CKModifyRecordZonesOperation initWithRecordZonesToSave:recordZoneIDsToDelete:]

Declaration

From

- (instancetype)initWithRecordZonesToSave:(NSArray *)recordZonesToSave recordZoneIDsToDelete:(NSArray *)recordZoneIDsToDelete

- (instancetype _Nonnull)initWithRecordZonesToSave:(NSArray<CKRecordZone *> * _Nullable)recordZonesToSave recordZoneIDsToDelete:(NSArray<CKRecordZoneID *> * _Nullable)recordZoneIDsToDelete

Modified CKModifyRecordZonesOperation.modifyRecordZonesCompletionBlock

Declaration

From

@property(nonatomic, copy) void (^modifyRecordZonesCompletionBlock)(NSArray *savedRecordZones, NSArray *deletedRecordZoneIDs, NSError *operationError)

@property(nonatomic, copy, nullable) void (^modifyRecordZonesCompletionBlock)(NSArray<CKRecordZone *> * _Nullable savedRecordZones, NSArray<CKRecordZoneID *> * _Nullable deletedRecordZoneIDs, NSError * _Nullable operationError)

Modified CKModifyRecordZonesOperation.recordZoneIDsToDelete

	Declaration
From	@property(nonatomic, copy) NSArray *recordZoneIDsToDelete
To	@property(nonatomic, copy, nullable) NSArray<CKRecordZoneID > recordZoneIDsToDelete

Modified CKModifyRecordZonesOperation.recordZonesToSave

	Declaration
From	@property(nonatomic, copy) NSArray *recordZonesToSave
To	@property(nonatomic, copy, nullable) NSArray<CKRecordZone > recordZonesToSave

CKModifySubscriptionsOperation.h

Modified -[CKModifySubscriptionsOperation initWithSubscriptionsToSave:subscriptionIDsToDelete:]

Declaration

From

- (instancetype)initWithSubscriptionsToSave:(NSArray *)subscriptionsToSave subscriptionIDsToDelete:(NSArray *)subscriptionIDsToDelete

- (instancetype _Nonnull)initWithSubscriptionsToSave:(NSArray<CKSubscription *> * _Nullable)subscriptionsToSave subscriptionIDsToDelete:(NSArray<NSString *> * _Nullable)subscriptionIDsToDelete

Modified CKModifySubscriptionsOperation.modifySubscriptionsCompletionBlock

Declaration

From

@property(nonatomic, copy) void (^modifySubscriptionsCompletionBlock)(NSArray *savedSubscriptions, NSArray *deletedSubscriptionIDs, NSError *operationError)

@property(nonatomic, copy, nullable) void (^modifySubscriptionsCompletionBlock)(NSArray<CKSubscription *> * _Nullable savedSubscriptions, NSArray<NSString *> * _Nullable deletedSubscriptionIDs, NSError * _Nullable operationError)

Modified CKModifySubscriptionsOperation.subscriptionIDsToDelete

	Declaration
From	@property(nonatomic, copy) NSArray *subscriptionIDsToDelete
To	@property(nonatomic, copy, nullable) NSArray<NSString > subscriptionIDsToDelete

Modified CKModifySubscriptionsOperation.subscriptionsToSave

	Declaration
From	@property(nonatomic, copy) NSArray *subscriptionsToSave
To	@property(nonatomic, copy, nullable) NSArray<CKSubscription > subscriptionsToSave

CKNotification.h

Added CKNotification.category

Added CKNotification.subscriptionID

Modified CKNotification.alertActionLocalizationKey

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

Modified CKNotification.alertBody

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

Modified CKNotification.alertLaunchImage

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

Modified CKNotification.alertLocalizationArgs

	Declaration
From	@property(nonatomic, readonly, copy) NSArray *alertLocalizationArgs
To	@property(nonatomic, readonly, copy, nullable) NSArray<NSString > alertLocalizationArgs

Modified CKNotification.alertLocalizationKey

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

Modified CKNotification.badge

	Declaration
From	@property(nonatomic, readonly, copy) NSNumber *badge
To	@property(nonatomic, readonly, copy, nullable) NSNumber *badge

Modified CKNotification.containerIdentifier

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

Modified +[CKNotification notificationFromRemoteNotificationDictionary:]

Declaration

From

+ (instancetype)notificationFromRemoteNotificationDictionary:(NSDictionary *)notificationDictionary

+ (instancetype _Nonnull)notificationFromRemoteNotificationDictionary:(NSDictionary<NSString *,NSObject *> * _Nonnull)notificationDictionary

Modified CKNotification.notificationID

	Declaration
From	@property(nonatomic, readonly, copy) CKNotificationID *notificationID
To	@property(nonatomic, readonly, copy, nullable) CKNotificationID *notificationID

Modified CKNotification.soundName

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

Modified CKQueryNotification.recordFields

	Declaration
From	@property(nonatomic, readonly, copy) NSDictionary *recordFields
To	@property(nonatomic, readonly, copy, nullable) NSDictionary<NSString ,__kindof id<CKRecordValue>> recordFields

Modified CKQueryNotification.recordID

	Declaration
From	@property(nonatomic, readonly, copy) CKRecordID *recordID
To	@property(nonatomic, readonly, copy, nullable) CKRecordID *recordID

Modified CKRecordZoneNotification.recordZoneID

	Declaration
From	@property(nonatomic, readonly, copy) CKRecordZoneID *recordZoneID
To	@property(nonatomic, readonly, copy, nullable) CKRecordZoneID *recordZoneID

CKOperation.h

Added -[CKOperation activityStart]

Modified CKOperation.container

	Declaration
From	@property(nonatomic, strong) CKContainer *container
To	@property(nonatomic, strong, nullable) CKContainer *container

Modified -[CKOperation init]

	Declaration
From	- (instancetype)init
To	- (instancetype _Nonnull)init

Modified CKOperation.usesBackgroundSession

	Deprecation
From	--
To	OS X 10.11

CKQuery.h

Modified -[CKQuery initWithCoder:]

	Declaration
From	- (instancetype)initWithCoder:(NSCoder *)aDecoder
To	- (instancetype _Nonnull)initWithCoder:(NSCoder * _Nonnull)aDecoder

Modified -[CKQuery initWithRecordType:predicate:]

Declaration

From

- (instancetype)initWithRecordType:(NSString *)recordType predicate:(NSPredicate *)predicate

- (instancetype _Nonnull)initWithRecordType:(NSString * _Nonnull)recordType predicate:(NSPredicate * _Nonnull)predicate

Modified CKQuery.predicate

	Declaration
From	@property(nonatomic, readonly, copy) NSPredicate *predicate
To	@property(nonatomic, readonly, copy, nonnull) NSPredicate *predicate

Modified CKQuery.recordType

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

Modified CKQuery.sortDescriptors

	Declaration
From	@property(nonatomic, copy) NSArray *sortDescriptors
To	@property(nonatomic, copy, nullable) NSArray<NSSortDescriptor > sortDescriptors

CKQueryOperation.h

Modified CKQueryOperation.cursor

	Declaration
From	@property(nonatomic, copy) CKQueryCursor *cursor
To	@property(nonatomic, copy, nullable) CKQueryCursor *cursor

Modified CKQueryOperation.desiredKeys

	Declaration
From	@property(nonatomic, copy) NSArray *desiredKeys
To	@property(nonatomic, copy, nullable) NSArray<NSString > desiredKeys

Modified -[CKQueryOperation init]

	Declaration
From	- (instancetype)init
To	- (instancetype _Nonnull)init

Modified -[CKQueryOperation initWithCursor:]

	Declaration
From	- (instancetype)initWithCursor:(CKQueryCursor *)cursor
To	- (instancetype _Nonnull)initWithCursor:(CKQueryCursor * _Nonnull)cursor

Modified -[CKQueryOperation initWithQuery:]

	Declaration
From	- (instancetype)initWithQuery:(CKQuery *)query
To	- (instancetype _Nonnull)initWithQuery:(CKQuery * _Nonnull)query

Modified CKQueryOperation.query

	Declaration
From	@property(nonatomic, copy) CKQuery *query
To	@property(nonatomic, copy, nullable) CKQuery *query

Modified CKQueryOperation.queryCompletionBlock

Declaration

From

@property(nonatomic, copy) void (^queryCompletionBlock)(CKQueryCursor *cursor, NSError *operationError)

@property(nonatomic, copy, nullable) void (^queryCompletionBlock)(CKQueryCursor * _Nullable cursor, NSError * _Nullable operationError)

Modified CKQueryOperation.recordFetchedBlock

	Declaration
From	@property(nonatomic, copy) void (^recordFetchedBlock)(CKRecord *record)
To	@property(nonatomic, copy, nullable) void (^recordFetchedBlock)(CKRecord * _Nonnull record)

Modified CKQueryOperation.zoneID

	Declaration
From	@property(nonatomic, copy) CKRecordZoneID *zoneID
To	@property(nonatomic, copy, nullable) CKRecordZoneID *zoneID

CKRecord.h

Modified -[CKRecord allKeys]

	Declaration
From	- (NSArray *)allKeys
To	- (NSArray<NSString > _Nonnull)allKeys

Modified -[CKRecord allTokens]

	Declaration
From	- (NSArray *)allTokens
To	- (NSArray<NSString > _Nonnull)allTokens

Modified -[CKRecord changedKeys]

	Declaration
From	- (NSArray *)changedKeys
To	- (NSArray<NSString > _Nonnull)changedKeys

Modified CKRecord.creationDate

	Declaration
From	@property(nonatomic, readonly, copy) NSDate *creationDate
To	@property(nonatomic, readonly, copy, nullable) NSDate *creationDate

Modified CKRecord.creatorUserRecordID

	Declaration
From	@property(nonatomic, readonly, copy) CKRecordID *creatorUserRecordID
To	@property(nonatomic, readonly, copy, nullable) CKRecordID *creatorUserRecordID

Modified -[CKRecord encodeSystemFieldsWithCoder:]

	Declaration
From	- (void)encodeSystemFieldsWithCoder:(NSCoder *)coder
To	- (void)encodeSystemFieldsWithCoder:(NSCoder * _Nonnull)coder

Modified -[CKRecord initWithRecordType:]

	Declaration
From	- (instancetype)initWithRecordType:(NSString *)recordType
To	- (instancetype _Nonnull)initWithRecordType:(NSString * _Nonnull)recordType

Modified -[CKRecord initWithRecordType:recordID:]

Declaration

From

- (instancetype)initWithRecordType:(NSString *)recordType recordID:(CKRecordID *)recordID

- (instancetype _Nonnull)initWithRecordType:(NSString * _Nonnull)recordType recordID:(CKRecordID * _Nonnull)recordID

Modified -[CKRecord initWithRecordType:zoneID:]

Declaration

From

- (instancetype)initWithRecordType:(NSString *)recordType zoneID:(CKRecordZoneID *)zoneID

- (instancetype _Nonnull)initWithRecordType:(NSString * _Nonnull)recordType zoneID:(CKRecordZoneID * _Nonnull)zoneID

Modified CKRecord.lastModifiedUserRecordID

	Declaration
From	@property(nonatomic, readonly, copy) CKRecordID *lastModifiedUserRecordID
To	@property(nonatomic, readonly, copy, nullable) CKRecordID *lastModifiedUserRecordID

Modified CKRecord.modificationDate

	Declaration
From	@property(nonatomic, readonly, copy) NSDate *modificationDate
To	@property(nonatomic, readonly, copy, nullable) NSDate *modificationDate

Modified -[CKRecord objectForKey:]

	Declaration
From	- (id)objectForKey:(NSString *)key
To	- (__kindof id<CKRecordValue> _Nullable)objectForKey:(NSString * _Nonnull)key

Modified -[CKRecord objectForKeyedSubscript:]

	Declaration
From	- (id)objectForKeyedSubscript:(NSString *)key
To	- (__kindof id<CKRecordValue> _Nullable)objectForKeyedSubscript:(NSString * _Nonnull)key

Modified CKRecord.recordChangeTag

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

Modified CKRecord.recordID

	Declaration
From	@property(nonatomic, readonly, copy) CKRecordID *recordID
To	@property(nonatomic, readonly, copy, nonnull) CKRecordID *recordID

Modified CKRecord.recordType

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

Modified -[CKRecord setObject:forKey:]

	Declaration
From	- (void)setObject:(id<CKRecordValue>)object forKey:(NSString *)key
To	- (void)setObject:(__kindof id<CKRecordValue> _Nullable)object forKey:(NSString * _Nonnull)key

Modified -[CKRecord setObject:forKeyedSubscript:]

	Declaration
From	- (void)setObject:(id<CKRecordValue>)object forKeyedSubscript:(NSString *)key
To	- (void)setObject:(__kindof id<CKRecordValue> _Nullable)object forKeyedSubscript:(NSString * _Nonnull)key

CKRecordID.h

Modified -[CKRecordID initWithRecordName:]

	Declaration
From	- (instancetype)initWithRecordName:(NSString *)recordName
To	- (instancetype _Nonnull)initWithRecordName:(NSString * _Nonnull)recordName

Modified -[CKRecordID initWithRecordName:zoneID:]

Declaration

From

- (instancetype)initWithRecordName:(NSString *)recordName zoneID:(CKRecordZoneID *)zoneID

- (instancetype _Nonnull)initWithRecordName:(NSString * _Nonnull)recordName zoneID:(CKRecordZoneID * _Nonnull)zoneID

Modified CKRecordID.recordName

	Declaration
From	@property(nonatomic, readonly, strong) NSString *recordName
To	@property(nonatomic, readonly, strong, nonnull) NSString *recordName

Modified CKRecordID.zoneID

	Declaration
From	@property(nonatomic, readonly, strong) CKRecordZoneID *zoneID
To	@property(nonatomic, readonly, strong, nonnull) CKRecordZoneID *zoneID

CKRecordZone.h

Modified +[CKRecordZone defaultRecordZone]

	Declaration
From	+ (CKRecordZone *)defaultRecordZone
To	+ (CKRecordZone * _Nonnull)defaultRecordZone

Modified -[CKRecordZone initWithZoneID:]

	Declaration
From	- (instancetype)initWithZoneID:(CKRecordZoneID *)zoneID
To	- (instancetype _Nonnull)initWithZoneID:(CKRecordZoneID * _Nonnull)zoneID

Modified -[CKRecordZone initWithZoneName:]

	Declaration
From	- (instancetype)initWithZoneName:(NSString *)zoneName
To	- (instancetype _Nonnull)initWithZoneName:(NSString * _Nonnull)zoneName

Modified CKRecordZone.zoneID

	Declaration
From	@property(nonatomic, readonly, strong) CKRecordZoneID *zoneID
To	@property(nonatomic, readonly, strong, nonnull) CKRecordZoneID *zoneID

CKRecordZoneID.h

Modified -[CKRecordZoneID initWithZoneName:ownerName:]

	Declaration
From	- (instancetype)initWithZoneName:(NSString )zoneName ownerName:(NSString )ownerName
To	- (instancetype _Nonnull)initWithZoneName:(NSString * _Nonnull)zoneName ownerName:(NSString * _Nonnull)ownerName

Modified CKRecordZoneID.ownerName

	Declaration
From	@property(nonatomic, readonly, strong) NSString *ownerName
To	@property(nonatomic, readonly, strong, nonnull) NSString *ownerName

Modified CKRecordZoneID.zoneName

	Declaration
From	@property(nonatomic, readonly, strong) NSString *zoneName
To	@property(nonatomic, readonly, strong, nonnull) NSString *zoneName

CKReference.h

Modified -[CKReference initWithRecord:action:]

	Declaration
From	- (instancetype)initWithRecord:(CKRecord *)record action:(CKReferenceAction)action
To	- (instancetype _Nonnull)initWithRecord:(CKRecord * _Nonnull)record action:(CKReferenceAction)action

Modified -[CKReference initWithRecordID:action:]

	Declaration
From	- (instancetype)initWithRecordID:(CKRecordID *)recordID action:(CKReferenceAction)action
To	- (instancetype _Nonnull)initWithRecordID:(CKRecordID * _Nonnull)recordID action:(CKReferenceAction)action

Modified CKReference.recordID

	Declaration
From	@property(nonatomic, readonly, copy) CKRecordID *recordID
To	@property(nonatomic, readonly, copy, nonnull) CKRecordID *recordID

CKSubscription.h

Added CKNotificationInfo.category

Modified CKNotificationInfo.alertActionLocalizationKey

	Declaration
From	@property(nonatomic, copy) NSString *alertActionLocalizationKey
To	@property(nonatomic, copy, nullable) NSString *alertActionLocalizationKey

Modified CKNotificationInfo.alertBody

	Declaration
From	@property(nonatomic, copy) NSString *alertBody
To	@property(nonatomic, copy, nullable) NSString *alertBody

Modified CKNotificationInfo.alertLaunchImage

	Declaration
From	@property(nonatomic, copy) NSString *alertLaunchImage
To	@property(nonatomic, copy, nullable) NSString *alertLaunchImage

Modified CKNotificationInfo.alertLocalizationArgs

	Declaration
From	@property(nonatomic, copy) NSArray *alertLocalizationArgs
To	@property(nonatomic, copy, nullable) NSArray<NSString > alertLocalizationArgs

Modified CKNotificationInfo.alertLocalizationKey

	Declaration
From	@property(nonatomic, copy) NSString *alertLocalizationKey
To	@property(nonatomic, copy, nullable) NSString *alertLocalizationKey

Modified CKNotificationInfo.desiredKeys

	Declaration
From	@property(nonatomic, copy) NSArray *desiredKeys
To	@property(nonatomic, copy, nullable) NSArray<NSString > desiredKeys

Modified CKNotificationInfo.soundName

	Declaration
From	@property(nonatomic, copy) NSString *soundName
To	@property(nonatomic, copy, nullable) NSString *soundName

Modified -[CKSubscription initWithCoder:]

	Declaration
From	- (instancetype)initWithCoder:(NSCoder *)aDecoder
To	- (instancetype _Nonnull)initWithCoder:(NSCoder * _Nonnull)aDecoder

Modified -[CKSubscription initWithRecordType:predicate:options:]

Declaration

From

- (instancetype)initWithRecordType:(NSString *)recordType predicate:(NSPredicate *)predicate options:(CKSubscriptionOptions)subscriptionOptions

- (instancetype _Nonnull)initWithRecordType:(NSString * _Nonnull)recordType predicate:(NSPredicate * _Nonnull)predicate options:(CKSubscriptionOptions)subscriptionOptions

Modified -[CKSubscription initWithRecordType:predicate:subscriptionID:options:]

Declaration

From

- (instancetype)initWithRecordType:(NSString *)recordType predicate:(NSPredicate *)predicate subscriptionID:(NSString *)subscriptionID options:(CKSubscriptionOptions)subscriptionOptions

- (instancetype _Nonnull)initWithRecordType:(NSString * _Nonnull)recordType predicate:(NSPredicate * _Nonnull)predicate subscriptionID:(NSString * _Nonnull)subscriptionID options:(CKSubscriptionOptions)subscriptionOptions

Modified -[CKSubscription initWithZoneID:options:]

Declaration

From

- (instancetype)initWithZoneID:(CKRecordZoneID *)zoneID options:(CKSubscriptionOptions)subscriptionOptions

- (instancetype _Nonnull)initWithZoneID:(CKRecordZoneID * _Nonnull)zoneID options:(CKSubscriptionOptions)subscriptionOptions

Modified -[CKSubscription initWithZoneID:subscriptionID:options:]

Declaration

From

- (instancetype)initWithZoneID:(CKRecordZoneID *)zoneID subscriptionID:(NSString *)subscriptionID options:(CKSubscriptionOptions)subscriptionOptions

- (instancetype _Nonnull)initWithZoneID:(CKRecordZoneID * _Nonnull)zoneID subscriptionID:(NSString * _Nonnull)subscriptionID options:(CKSubscriptionOptions)subscriptionOptions

Modified CKSubscription.notificationInfo

	Declaration
From	@property(nonatomic, copy) CKNotificationInfo *notificationInfo
To	@property(nonatomic, copy, nullable) CKNotificationInfo *notificationInfo

Modified CKSubscription.predicate

	Declaration
From	@property(nonatomic, readonly, copy) NSPredicate *predicate
To	@property(nonatomic, readonly, copy, nullable) NSPredicate *predicate

Modified CKSubscription.recordType

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

Modified CKSubscription.subscriptionID

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

Modified CKSubscription.zoneID

	Declaration
From	@property(nonatomic, copy) CKRecordZoneID *zoneID
To	@property(nonatomic, copy, nullable) CKRecordZoneID *zoneID