Leopard Reference
This page lists new and recently changed documents, including Articles, Guides, Reference, Release Notes, Sample Code, Technical Notes, and Technical Q&As. Most documents have a revision history, which details additions and changes to that document since the previous version. Look for "Revision History" at the bottom of the document or in the document's table of contents.

Items are listed in reverse chronological order by publication date. To see the list sorted by the type of revision, click Sort by Revision Type. Items published for the first time (First Version) will be at the top of the list, followed by items with new or changed content (Content Update), followed by items with small fixes, such as typos and format errors, but no significant content changes (Minor Change).

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2008-11-19 Application Kit Framework Reference (HTML) (PDF)
Added NSTextInputClient Protocol Reference.
Minor Change General, Objective-C Language, User Experience
2008-11-19 Application Kit Functions Reference (HTML) (PDF)
Added descriptions for the NSDrawThreePartImage and NSDrawNinePartImage functions.
Minor Change Objective-C Language
2009-03-04 CalAlarm Class Reference (HTML)
Minor updates throughout.
Minor Change Apple Applications
2009-02-04 CALayer Class Reference (HTML) (PDF)
Added -init method description.
Minor Change Graphics & Imaging
2009-04-08 CalCalendarStore Class Reference (HTML) (PDF)
Minor edits throughout.
Minor Change Apple Applications
2009-03-04 CalEvent Class Reference (HTML) (PDF)
Minor updates throughout.
Minor Change Apple Applications
2009-03-04 CalRecurrenceRule Class Reference (HTML) (PDF)
Minor edits throughout.
Minor Change Apple Applications
2009-03-04 CAMediaTiming Protocol Reference (HTML) (PDF)
Documented kCAFillModeFrozen as deprecated.
Minor Change Graphics & Imaging
2008-11-19 Certificate, Key, and Trust Services Reference (HTML) (PDF)
Updated to Mac OS X v 10.5.
Content Update Security
2008-10-15 DOMDocument Additions Reference (HTML) (PDF)
Updated per Mac OS X v10.5.
Minor Change User Experience
2008-10-15 DOMElement Additions Reference (HTML)
First revision of this document.
First Version User Experience
2009-01-26 DOMHTMLDocument Additions Reference (HTML) (PDF)
First revision of this document.
First Version User Experience
2009-02-04 DOMNode Additions Reference (HTML) (PDF)
Added separate parameter and return-value descriptions.
Minor Change User Experience
2008-10-15 DOMRange Additions Reference (HTML) (PDF)
Updated per Mac OS X v10.5.
Minor Change User Experience
2009-05-06 Foundation Constants Reference (HTML) (PDF)
Corrected the definition of NSDecimalNoScale.
Minor Change Data Management, Objective-C Language
2008-09-09 Foundation Data Types Reference (HTML) (PDF)
Added descriptions for NSInteger and NSUInteger.
Minor Change Data Management, Objective-C Language
2008-10-15 Foundation Functions Reference (HTML) (PDF)
Corrected discussions of NSMapInsert and NSTemporaryDirectory; clarified behavior of NSPointInRect.
Minor Change Data Management
2009-01-06 IBDocument Class Reference (HTML) (PDF)
Made minor technical corrections.
Minor Change Tools
2009-03-04 IKSlideshowDataSource Protocol Reference (HTML) (PDF)
Adding note that data source methods may be called on secondary threads.
Minor Change Graphics & Imaging
2009-05-06 IMKServerInput Protocol Reference (HTML) (PDF)
Clarified constant descriptions.
Minor Change Internationalization, Text & Fonts
2008-10-15 IMService Class Reference (HTML) (PDF)
Minor edit.
Minor Change Apple Applications
2008-11-19 ISyncSession Class Reference (HTML) (PDF)
Corrected typographical errors.
Minor Change Syncing
2008-11-19 Keychain Services Reference (HTML) (PDF)
Added Keychain Services API for iPhone OS.
Minor Change Security
2009-02-04 Mac OS X ABI Mach-O File Format Reference (HTML) (PDF)
Made minor changes.
Minor Change Runtime Architecture
2009-05-06 NSAnimatablePropertyContainer Protocol Reference (HTML) (PDF)
Corrected typos.
Minor Change Graphics & Imaging
2009-02-04 NSApplication Class Reference (HTML) (PDF)
Added dockTile method description.
Minor Change Runtime Architecture
2008-10-15 NSAtomicStore Class Reference (HTML) (PDF)
Corrected discussion of save: method.
Minor Change Data Management
2009-03-04 NSATSTypesetter Class Reference (HTML) (PDF)
Removed reference to ATSUI.
Minor Change Text & Fonts
2008-10-15 NSAttributedString Class Reference (HTML) (PDF)
Added cautionary note about isEqual: comparison of NSAttributedString objects having attributes such as attachments, lists, and tables.
Minor Change Data Management, Text & Fonts
2009-01-02 NSAutoreleasePool Class Reference (HTML) (PDF)
Changed "managed memory environment" to "reference-counted environment" throughout.
Minor Change Objective-C Language, Performance
2009-01-06 NSBitmapImageRep Class Reference (HTML) (PDF)
Updated the descriptions of the initWithCGImage: and initWithCIImage: methods.
Minor Change Graphics & Imaging
2008-10-15 NSBox Class Reference (HTML) (PDF)
Corrected descriptions of getter methods in "Customizing" method group, setTitleFont:, and titleFont.
Minor Change Graphics & Imaging, Printing, User Experience
2009-04-08 NSButtonCell Class Reference (HTML) (PDF)
Added style override details to setAttributedTitle:.
Minor Change Events & Other Input, User Experience
2009-02-04 NSCalendar Class Reference (HTML) (PDF)
Clarified return value of ordinalityOfUnit:inUnit:forDate:.
Minor Change Data Management, Internationalization
2009-02-04 NSCell Class Reference (HTML) (PDF)
Documented truncatesLastVisibleLine and setTruncatesLastVisibleLine: methods. Added deprecated image scaling constants.
Minor Change User Experience
2008-10-15 NSCharacterSet Class Reference (HTML) (PDF)
Corrected typographical error.
Minor Change Data Management
2009-01-06 NSColor Class Reference (HTML) (PDF)
Added definition for NSAppKitVersionNumberWithPatternColorLeakFix macro.
Minor Change Graphics & Imaging
2008-09-09 NSCondition Class Reference (HTML) (PDF)
Corrected availability information.
Minor Change Process Management
2008-10-15 NSControl Class Reference (HTML) (PDF)
Revised wording of several methods and added descriptions of NSInteger-related "value" methods.
Minor Change User Experience
2009-05-06 NSCountedSet Class Reference (HTML) (PDF)
Referenced CFBag, which implements similar functionality.
Minor Change Data Management
2009-01-06 NSCursor Class Reference (HTML) (PDF)
Added a definition for the NSAppKitVersionNumberWithCursorSizeSupport macro.
Minor Change User Experience
2009-05-06 NSData Class Reference (HTML) (PDF)
Added subclassing notes. Clarified behavior of bytes and getData:length: methods.
Minor Change Data Management
2008-10-15 NSDate Class Reference (HTML) (PDF)
Revised documentation of description and descriptionWithLocale: methods.
Minor Change Data Management
2008-10-15 NSDateComponents Class Reference (HTML) (PDF)
Clarified meaning of weekday and weekday ordinal units.
Minor Change Data Management
2008-11-19 NSDateFormatter Class Reference (HTML) (PDF)
Added note about supported behaviors for iPhone OS.
Minor Change Data Management, Internationalization, User Experience
2009-04-08 NSDictionary Class Reference (HTML) (PDF)
Corrected typographical errors.
Minor Change Data Management, Design Guidelines
2008-10-15 NSDirectoryEnumerator Class Reference (HTML) (PDF)
Added note in Introduction to show how to retrieve a directory enumerator instance.
Minor Change File Management
2009-03-04 NSDockTile Class Reference (HTML) (PDF)
Updated to describe differences in behavior between application and window dock tiles.
Content Update User Experience
2009-01-06 NSDocument Class Reference (HTML) (PDF)
Added description of NSChangeRedone constant. Updated other constant declarations and revised their descriptions. Added subclassing advice section with cross reference to main discussion.
Minor Change Design Guidelines
2008-10-15 NSDocumentController Class Reference (HTML) (PDF)
Added defaultType to replacement information for deprecated openUntitledDocumentOfType:display: method.
Minor Change Design Guidelines
2009-05-06 NSError Class Reference (HTML) (PDF)
Added a link to the Foundation error constants.
Minor Change Design Guidelines
2009-02-04 NSEvent Class Reference (HTML) (PDF)
Added descriptions of CGEvent and mouse-movement event coalescing methods.
Minor Change Events & Other Input
2008-10-15 NSExpression Class Reference (HTML) (PDF)
Corrected SUBQUERY expression example.
Minor Change Data Management
2008-10-15 NSFileHandle Class Reference (HTML) (PDF)
Clarified description of closeFile and added link to related sample code project.
Minor Change File Management
2008-10-15 NSFileManager Class Reference (HTML) (PDF)
Corrected typographical errors.
Minor Change File Management, Resource Management
2008-10-15 NSFileWrapper Class Reference (HTML) (PDF)
Corrected -initWithSerializedRepresentation: method description.
Minor Change Data Management, File Management, Resource Management
2008-10-15 NSGarbageCollector Class Reference (HTML) (PDF)
Clarified use of -isEnabled.
Minor Change Objective-C Language
2009-01-06 NSGlyphStorage Protocol Reference (HTML) (PDF)
Reformatted parameter descriptions.
Minor Change Text & Fonts
2009-01-06 NSGradient Class Reference (HTML) (PDF)
Updated the method descriptions that involve drawing radial gradients with relative center positions.
Minor Change Graphics & Imaging
2009-02-04 NSHelpManager Class Reference (HTML) (PDF)
Removed all references to using Interface Builder.
Minor Change Events & Other Input, Resource Management, User Experience
2008-11-13 NSHTTPCookie Class Reference (HTML) (PDF)
Added isHTTPOnly method.
Content Update Internet & Web, Networking
2009-01-06 NSImage Class Reference (HTML) (PDF)
Updated the description of the alignmentRect method.
Minor Change Graphics & Imaging
2009-01-06 NSImageCell Class Reference (HTML) (PDF)
Added descriptions for the NSImageAlignment constants.
Minor Change User Experience
2009-01-06 NSImageRep Class Reference (HTML) (PDF)
Added a definition for the NSImageRepRegistryChangedNotification macro.
Minor Change Graphics & Imaging
2008-10-15 NSIndexPath Class Reference (HTML) (PDF)
Clarified indexAtPosition: description.
Minor Change Data Management
2008-10-15 NSInvocation Class Reference (HTML) (PDF)
Updated code examples to use NSInteger instead of raw types.
Minor Change Interapplication Communication, Objective-C Language
2008-10-15 NSKeyedArchiver Class Reference (HTML) (PDF)
Clarified behavior of encodeObject:forKey: for nil values.
Minor Change Data Management
2008-10-15 NSKeyedUnarchiver Class Reference (HTML) (PDF)
Added notes that keys must not be nil.
Minor Change Data Management
2009-02-04 NSKeyValueCoding Protocol Reference (HTML) (PDF)
Accessor search descriptions of setValue:forKey:, valueForKey:, mutableArrayValueForKey:, and mutableSetValueForKey: now point to the Key-Value Coding Programming Guide.
Minor Change Data Management, Design Guidelines
2008-12-20 NSLayoutManager Class Reference (HTML) (PDF)
Added descriptions of NSGlyphStorage protocol methods.
Minor Change Text & Fonts
2008-10-15 NSManagedObject Class Reference (HTML) (PDF)
Clarified descriptions of primitiveValueForKey: and setPrimitiveValue:forKey:.
Minor Change Data Management
2008-10-15 NSManagedObjectContext Class Reference (HTML) (PDF)
Clarifed return value for countForFetchRequest:error:.
Minor Change Data Management
2008-10-15 NSMatrix Class Reference (HTML) (PDF)
Clarified usage of selectAll:.
Minor Change User Experience
2009-02-04 NSMenuView Class Reference (HTML) (PDF)
Added information regarding what to use in place of NSMenuView.
Minor Change User Experience
2008-10-15 NSMethodSignature Class Reference (HTML) (PDF)
Added declaration of signatureWithObjCTypes:.
Minor Change Objective-C Language
2008-11-17 NSMutableArray Class Reference (HTML) (PDF)
Noted in overview that predicates are not available on iPhone OS.
Minor Change Data Management
2008-10-15 NSMutableParagraphStyle Class Reference (HTML) (PDF)
Removed erroneous statement that 0 is not accepted by setTighteningFactorForTruncation: method.
Minor Change Data Management, Text & Fonts
2009-04-08 NSNetService Class Reference (HTML) (PDF)
Miscellaneous edits.
Minor Change Interapplication Communication, Internet & Web, Networking
2009-04-08 NSNetServiceBrowser Class Reference (HTML) (PDF)
Miscellaneous edits.
Minor Change Interapplication Communication, Internet & Web, Networking
2008-11-19 NSNumberFormatter Class Reference (HTML) (PDF)
Added note about supported behaviors for iPhone OS.
Minor Change Data Management, User Experience
2009-02-04 NSObject Class Reference (HTML) (PDF)
Added note about managing scarce resources in dealloc.
Minor Change Design Guidelines, Objective-C Language
2008-12-22 NSObject Protocol Reference (HTML) (PDF)
Updated discussion of retainCount method.
Minor Change Design Guidelines, Objective-C Language
2008-10-15 NSOpenGLPixelFormat Class Reference (HTML) (PDF)
Updated the the constants section to reflect changes in Mac OS X v10.5.
Minor Change Graphics & Imaging
2009-02-04 NSOpenPanel Class Reference (HTML) (PDF)
Added more specific information regarding didEndSelector behavior in panel-running methods.
Minor Change Events & Other Input, File Management, User Experience
2008-11-19 NSOperation Class Reference (HTML) (PDF)
Updated the guidelines related to KVO compliance.
Minor Change Process Management
2008-11-19 NSOperationQueue Class Reference (HTML) (PDF)
Updated the guidance related to KVO-compliant properties.
Minor Change Process Management
2009-02-04 NSOutlineView Class Reference (HTML) (PDF)
Added documentation for method outlineView:selectionIndexesForProposedSelection:.
Minor Change User Experience
2009-01-06 NSOutputStream Class Reference (HTML) (PDF)
Miscellaneous edits.
Minor Change Data Management, File Management, Networking
2009-01-06 NSPanel Class Reference (HTML) (PDF)
Added information about NSHUDWindowMask constant.
Minor Change Events & Other Input, Graphics & Imaging, User Experience
2008-10-15 NSPasteboard Class Reference (HTML) (PDF)
Clarified behavior of pasteboardChangedOwner:.
Minor Change Interapplication Communication, User Experience
2009-03-04 NSPointerArray Class Reference (HTML) (PDF)
Clarified behavior in fast enumeration.
Minor Change Data Management
2008-10-15 NSPointerFunctions Class Reference (HTML) (PDF)
Added definition of NSPointerFunctionsOpaqueMemory.
Minor Change Data Management
2008-10-15 NSPopUpButton Class Reference (HTML) (PDF)
Replace parameter types of "id < MenuItem>" with "MenuItem *".
Minor Change User Experience
2008-10-15 NSPopUpButtonCell Class Reference (HTML) (PDF)
Replaced parameter types of "id <NSMenuItem>" with "NSMenuItem *". Corrected description of attachPopUpWithFrame:inView: method. Included code example for setUsesItemFromMenu:.
Minor Change User Experience
2008-10-15 NSPredicateEditor Class Reference (HTML) (PDF)
Removed broken link.
Minor Change Data Management, User Experience
2009-01-06 NSPrintInfo Class Reference (HTML) (PDF)
Cleaned up the deprecated print info keys.
Minor Change Printing
2009-02-04 NSSavePanel Class Reference (HTML) (PDF)
Updated documentation to use more consistent method formatting and corrected various errors.
Minor Change Events & Other Input, File Management, User Experience
2008-10-15 NSScanner Class Reference (HTML) (PDF)
Documented hexadecimal scanning methods introduced in Mac OS X v10.5
Minor Change Data Management
2009-01-06 NSScreen Class Reference (HTML) (PDF)
Updated the information regarding what constitutes the main screen.
Minor Change Graphics & Imaging
2009-04-08 NSScroller Class Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
Content Update User Experience