Foundation watchOS 4.0 Beta 2 to Beta 3 API Differences

NSCoder.h

Added -[NSCoder decodeValueOfObjCType:at:size:]

Modified -[NSCoder decodeValueOfObjCType:at:]

	Availability
From	Available
To	Deprecated

NSError.h

Added NSErrorUserInfoKey

Modified NSUnderlyingErrorKey

	Declaration
From	NSString *const _Nonnull NSUnderlyingErrorKey
To	const NSErrorUserInfoKey _Nonnull NSUnderlyingErrorKey

Modified NSLocalizedDescriptionKey

	Declaration
From	NSString *const _Nonnull NSLocalizedDescriptionKey
To	const NSErrorUserInfoKey _Nonnull NSLocalizedDescriptionKey

Modified NSLocalizedFailureReasonErrorKey

	Declaration
From	NSString *const _Nonnull NSLocalizedFailureReasonErrorKey
To	const NSErrorUserInfoKey _Nonnull NSLocalizedFailureReasonErrorKey

Modified NSLocalizedRecoverySuggestionErrorKey

	Declaration
From	NSString *const _Nonnull NSLocalizedRecoverySuggestionErrorKey
To	const NSErrorUserInfoKey _Nonnull NSLocalizedRecoverySuggestionErrorKey

Modified NSLocalizedRecoveryOptionsErrorKey

	Declaration
From	NSString *const _Nonnull NSLocalizedRecoveryOptionsErrorKey
To	const NSErrorUserInfoKey _Nonnull NSLocalizedRecoveryOptionsErrorKey

Modified NSRecoveryAttempterErrorKey

	Declaration
From	NSString *const _Nonnull NSRecoveryAttempterErrorKey
To	const NSErrorUserInfoKey _Nonnull NSRecoveryAttempterErrorKey

Modified NSHelpAnchorErrorKey

	Declaration
From	NSString *const _Nonnull NSHelpAnchorErrorKey
To	const NSErrorUserInfoKey _Nonnull NSHelpAnchorErrorKey

Modified NSDebugDescriptionErrorKey

	Declaration
From	NSString *const _Nonnull NSDebugDescriptionErrorKey
To	const NSErrorUserInfoKey _Nonnull NSDebugDescriptionErrorKey

Modified NSLocalizedFailureErrorKey

	Declaration
From	NSString *const _Nonnull NSLocalizedFailureErrorKey
To	const NSErrorUserInfoKey _Nonnull NSLocalizedFailureErrorKey

Modified NSStringEncodingErrorKey

	Declaration
From	NSString *const _Nonnull NSStringEncodingErrorKey
To	const NSErrorUserInfoKey _Nonnull NSStringEncodingErrorKey

Modified NSURLErrorKey

	Declaration
From	NSString *const _Nonnull NSURLErrorKey
To	const NSErrorUserInfoKey _Nonnull NSURLErrorKey

Modified NSFilePathErrorKey

	Declaration
From	NSString *const _Nonnull NSFilePathErrorKey
To	const NSErrorUserInfoKey _Nonnull NSFilePathErrorKey

Modified -[NSError initWithDomain:code:userInfo:]

	Declaration
From	- (nonnull instancetype)initWithDomain:(nonnull NSErrorDomain)domain code:(NSInteger)code userInfo:(nullable NSDictionary *)dict
To	- (nonnull instancetype)initWithDomain:(nonnull NSErrorDomain)domain code:(NSInteger)code userInfo:(nullable NSDictionary<NSErrorUserInfoKey,id> *)dict

Modified +[NSError errorWithDomain:code:userInfo:]

	Declaration
From	+ (nonnull instancetype)errorWithDomain:(nonnull NSErrorDomain)domain code:(NSInteger)code userInfo:(nullable NSDictionary *)dict
To	+ (nonnull instancetype)errorWithDomain:(nonnull NSErrorDomain)domain code:(NSInteger)code userInfo:(nullable NSDictionary<NSErrorUserInfoKey,id> *)dict

Modified NSError.userInfo

	Declaration
From	@property (readonly, copy, nonnull) NSDictionary *userInfo
To	@property (readonly, copy, nonnull) NSDictionary<NSErrorUserInfoKey,id> *userInfo

Modified +[NSError setUserInfoValueProviderForDomain:provider:]

	Declaration
From	+ (void)setUserInfoValueProviderForDomain:(nonnull NSErrorDomain)errorDomain provider:(nullable id _Nullable (^)(NSError * _Nonnull, NSString * _Nonnull))provider
To	+ (void)setUserInfoValueProviderForDomain:(nonnull NSErrorDomain)errorDomain provider:(nullable id _Nullable (^)(NSError * _Nonnull, NSErrorUserInfoKey _Nonnull))provider

Modified +[NSError userInfoValueProviderForDomain:]

	Declaration
From	+ (nullable id _Nullable (^)(NSError * _Nonnull, NSString * _Nonnull))userInfoValueProviderForDomain:(nonnull NSErrorDomain)errorDomain
To	+ (nullable id _Nullable (^)(NSError * _Nonnull, NSErrorUserInfoKey _Nonnull))userInfoValueProviderForDomain:(nonnull NSErrorDomain)errorDomain

NSFormatter.h

Modified -[NSFormatter attributedStringForObjectValue:withDefaultAttributes:]

	Declaration
From	- (nullable NSAttributedString )attributedStringForObjectValue:(nonnull id)obj withDefaultAttributes:(nullable NSDictionary<NSString ,id> *)attrs
To	- (nullable NSAttributedString )attributedStringForObjectValue:(nonnull id)obj withDefaultAttributes:(nullable NSDictionary<NSAttributedStringKey,id> )attrs

NSItemProviderReadingWriting.h

Added +[NSItemProviderReading objectWithItemProviderData:typeIdentifier:error:]

Modified -[NSItemProviderReading initWithItemProviderData:typeIdentifier:error:]

	Optional	Availability	Replacement
From	Required	Available	none
To	Optional	Deprecated	objectWithItemProviderData:typeIdentifier:error:

NSURLSession.h

Removed NSURLSessionMultipathServiceTypeNone

Removed NSURLSessionMultipathServiceTypeHandover

Removed NSURLSessionMultipathServiceTypeInteractive

Removed NSURLSessionMultipathServiceTypeAggregate

Removed NSURLSessionConfiguration.multipathServiceType

NSValue.h

Added -[NSValue getValue:size:]

Modified -[NSValue getValue:]

	Availability
From	Available
To	Deprecated

NSXPCConnection.h

Removed -[NSXPCConnection initWithServiceName:]

Removed -[NSXPCConnection initWithMachServiceName:options:]

Removed -[NSXPCListener initWithMachServiceName:]