Foundation iOS 12.4 to 13.0 API Differences

	Availability	Replacement
From	Available	none
To	Deprecated	NSDataReadingMappedIfSafe

	Availability	Replacement
From	Available	none
To	Deprecated	NSDataReadingMapped

	Availability	Replacement
From	Available	none
To	Deprecated	NSDataReadingUncached

	Availability	Replacement
From	Available	none
To	Deprecated	NSDataWritingAtomic

	Protocols
From	NSCoding, NSCopying
To	NSCopying, NSSecureCoding

	Availability	Replacement
From	Available	none
To	Deprecated	readDataToEndOfFileAndReturnError:

	Availability	Replacement
From	Available	none
To	Deprecated	readDataUpToLength:error:

	Availability	Replacement
From	Available	none
To	Deprecated	writeData:error:

	Availability	Replacement
From	Available	none
To	Deprecated	getOffset:error:

	Availability	Replacement
From	Available	none
To	Deprecated	seekToEndReturningOffset:error:

	Availability	Replacement
From	Available	none
To	Deprecated	seekToOffset:error:

	Availability	Replacement
From	Available	none
To	Deprecated	truncateAtOffset:error:

	Availability	Replacement
From	Available	none
To	Deprecated	synchronizeAndReturnError:

	Availability	Replacement
From	Available	none
To	Deprecated	closeAndReturnError:

	Availability	Replacement
From	Available	none
To	Deprecated	NSJSONReadingFragmentsAllowed

	Protocols
From	none
To	NSProgressReporting

	Availability	Deprecation Message
From	Available	none
To	Deprecated	access to operations is inherently a race condition, it should not be used. For barrier style behaviors please use addBarrierBlock: instead

	Availability	Replacement
From	Available	none
To	Deprecated	progress.completedUnitCount

	Availability	Deprecation Message
From	Available	none
To	Deprecated	The parameterString method is deprecated. Post deprecation for applications linked with or after the macOS 10.15, and for all iOS, watchOS, and tvOS applications, parameterString will always return nil, and the path method will return the complete path including the semicolon separator and params component if the URL string contains them.

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use the QuickLookThumbnailing framework and extension point instead

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use the QuickLookThumbnailing framework and extension point instead

	Availability	Replacement
From	Available	none
To	Deprecated	initWithMemoryCapacity:diskCapacity:directoryURL:

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use PushKit for VoIP control purposes

	Availability	Deprecation Message
From	Available	none
To	Deprecated	TLS cannot be disabled once it is enabled

	Availability	Replacement
From	Available	none
To	Deprecated	TLSMinimumSupportedProtocolVersion

	Availability	Replacement
From	Available	none
To	Deprecated	TLSMaximumSupportedProtocolVersion

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Not supported

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Not supported

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