Foundation iOS 11.4 to 12.0 API Differences

NSExtensionItem.h

	Declaration
From	@property (nonatomic, copy, nullable) NSArray *attachments
To	@property (nonatomic, copy, nullable) NSArray<NSItemProvider > attachments

NSFileWrapper.h

Modified NSFileWrapper

	Protocols
From	NSCoding
To	NSSecureCoding

NSHashTable.h

Added NSHashEnumerator

Added NSFreeHashTable()

Added NSResetHashTable()

Added NSCompareHashTables()

Added NSCopyHashTableWithZone()

Added NSHashGet()

Added NSHashInsert()

Added NSHashInsertKnownAbsent()

Added NSHashInsertIfAbsent()

Added NSHashRemove()

Added NSEnumerateHashTable()

Added NSNextHashEnumeratorItem()

Added NSEndHashTableEnumeration()

Added NSCountHashTable()

Added NSStringFromHashTable()

Added NSAllHashTableObjects()

Added NSHashTableCallBacks

Added NSCreateHashTableWithZone()

Added NSCreateHashTable()

Added NSNonOwnedPointerHashCallBacks

Added NSNonRetainedObjectHashCallBacks

Added NSObjectHashCallBacks

Added NSOwnedObjectIdentityHashCallBacks

Added NSOwnedPointerHashCallBacks

Added NSPointerToStructHashCallBacks

Modified NSHashTable

	Protocols
From	NSCoding, NSCopying, NSFastEnumeration
To	NSCopying, NSFastEnumeration, NSSecureCoding

NSKeyedArchiver.h

Added -[NSKeyedArchiver initRequiringSecureCoding:]

Added +[NSKeyedArchiver archivedDataWithRootObject:requiringSecureCoding:error:]

Added -[NSKeyedUnarchiver initForReadingFromData:error:]

Added +[NSKeyedUnarchiver unarchivedObjectOfClass:fromData:error:]

Added +[NSKeyedUnarchiver unarchivedObjectOfClasses:fromData:error:]

Added -[NSKeyedUnarchiver init]

Modified -[NSKeyedArchiver init]

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

Modified -[NSKeyedArchiver initForWritingWithMutableData:]

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

Modified +[NSKeyedArchiver archivedDataWithRootObject:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use +archivedDataWithRootObject:requiringSecureCoding:error: instead

Modified +[NSKeyedArchiver archiveRootObject:toFile:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use +archivedDataWithRootObject:requiringSecureCoding:error: instead

Modified -[NSKeyedUnarchiver initForReadingWithData:]

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

Modified +[NSKeyedUnarchiver unarchiveObjectWithData:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use +unarchivedObjectOfClass:fromData:error: instead

Modified +[NSKeyedUnarchiver unarchiveTopLevelObjectWithData:error:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use +unarchivedObjectOfClass:fromData:error: instead

Modified +[NSKeyedUnarchiver unarchiveObjectWithFile:]

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use +unarchivedObjectOfClass:fromData:error: instead

NSMapTable.h

Added NSMapEnumerator

Added NSFreeMapTable()

Added NSResetMapTable()

Added NSCompareMapTables()

Added NSCopyMapTableWithZone()

Added NSMapMember()

Added NSMapGet()

Added NSMapInsert()

Added NSMapInsertKnownAbsent()

Added NSMapInsertIfAbsent()

Added NSMapRemove()

Added NSEnumerateMapTable()

Added NSNextMapEnumeratorPair()

Added NSEndMapTableEnumeration()

Added NSCountMapTable()

Added NSStringFromMapTable()

Added NSAllMapTableKeys()

Added NSAllMapTableValues()

Added NSMapTableKeyCallBacks

Added #def NSNotAnIntMapKey

Added #def NSNotAnIntegerMapKey

Added #def NSNotAPointerMapKey

Added NSMapTableValueCallBacks

Added NSCreateMapTableWithZone()

Added NSCreateMapTable()

Added NSNonOwnedPointerMapKeyCallBacks

Added NSNonOwnedPointerOrNullMapKeyCallBacks

Added NSNonRetainedObjectMapKeyCallBacks

Added NSObjectMapKeyCallBacks

Added NSOwnedPointerMapKeyCallBacks

Added NSIntMapKeyCallBacks

Added NSNonOwnedPointerMapValueCallBacks

Added NSObjectMapValueCallBacks

Added NSNonRetainedObjectMapValueCallBacks

Added NSOwnedPointerMapValueCallBacks

Added NSIntMapValueCallBacks

Modified NSMapTable

	Protocols
From	NSCoding, NSCopying, NSFastEnumeration
To	NSCopying, NSFastEnumeration, NSSecureCoding

NSObjCRuntime.h

Removed #def FOUNDATION_SWIFT_SDK_EPOCH_LESS_THAN

Added #def NS_CLOSED_ENUM

Added #def NS_SWIFT_BRIDGED_TYPEDEF

NSPointerArray.h

Modified NSPointerArray

	Protocols
From	NSCoding, NSCopying, NSFastEnumeration
To	NSCopying, NSFastEnumeration, NSSecureCoding

NSURLRequest.h

Added NSURLNetworkServiceTypeResponsiveData

NSUserActivity.h

Added NSUserActivityPersistentIdentifier

Added NSUserActivity.eligibleForPrediction

Added NSUserActivity.persistentIdentifier

Added +[NSUserActivity deleteSavedUserActivitiesWithPersistentIdentifiers:completionHandler:]

Added +[NSUserActivity deleteAllSavedUserActivitiesWithCompletionHandler:]

NSValueTransformer.h

Added NSSecureUnarchiveFromDataTransformerName

Added NSSecureUnarchiveFromDataTransformer

Added NSSecureUnarchiveFromDataTransformer.allowedTopLevelClasses

Modified NSUnarchiveFromDataTransformerName

	Availability	Replacement
From	Available	none
To	Deprecated	NSSecureUnarchiveFromDataTransformerName

Modified NSKeyedUnarchiveFromDataTransformerName

	Availability	Replacement
From	Available	none
To	Deprecated	NSSecureUnarchiveFromDataTransformerName