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).

New and updated Reference Library documents are announced in the bi-weekly Apple Developer Connection News, available as an option to ADC members. See the Membership Overview page for details on joining.
Document Revision Descriptions
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2008-07-04 FxPlug Reference (HTML)
Minor revisions for FxPlug SDK 1.2.3.
 Minor Change Apple Applications
2008-06-19 Web Kit Constants Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Minor Change Cocoa
2008-06-19 WebBackForwardList Class Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Minor Change Cocoa
2008-06-19 WebFrame Class Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Minor Change Cocoa
2008-06-19 WebFrameLoadDelegate Protocol Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Minor Change Cocoa
2008-06-19 WebFrameView Class Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Minor Change Cocoa
2008-06-19 WebPreferences Class Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Minor Change Cocoa
2008-06-19 WebResourceLoadDelegate Protocol Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Minor Change Cocoa
2008-06-19 WebScripting Protocol Reference (HTML) (PDF)
Updated per Mac OS X v10.5.
 Minor Change Cocoa
2008-06-19 WebScriptObject Class Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Minor Change Cocoa
2008-06-19 WebUIDelegate Protocol Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Minor Change Cocoa
2008-06-19 WebView Class Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Minor Change Cocoa
2008-06-09 Core Image Kernel Language Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Content Update Carbon, Cocoa, Games, Graphics & Imaging
2008-06-09 NSArray Class Reference (HTML) (PDF)
Made minor changes to the class overview to improve clarity.
 Minor Change Cocoa
2008-06-09 NSCalendar Class Reference (HTML) (PDF)
Removed reference to NSCalendarDate, which is slated for deprecation. Added explanation of weekday ordinal unit.
 Minor Change Cocoa, Internationalization
2008-06-09 NSDate Class Reference (HTML) (PDF)
Added a warning to methods related to NSCalendarDate that it is slated for deprecation.
 Minor Change Cocoa
2008-06-09 NSDatePicker Class Reference (HTML) (PDF)
Added a reference to NSDatePickerCell in the delegate and setDelegate: methods.
 Minor Change Cocoa, User Experience
2008-06-09 NSDatePickerCell Class Reference (HTML) (PDF)
Added information concerning support for time intervals.
 Minor Change Cocoa, User Experience
2008-06-09 NSGarbageCollector Class Reference (HTML) (PDF)
Updated discussion of disableCollectorForPointer:.
 Minor Change Cocoa
2008-06-09 NSObject Class Reference (HTML) (PDF)
Updated sample code in +resolveInstanceMethod: to properly call super.
 Minor Change Cocoa
2008-06-09 NSOpenGLContext Class Reference (HTML) (PDF)
Corrected description of NSOpenGLCPSwapInterval.
 Minor Change Cocoa, Graphics & Imaging
2008-06-09 NSPropertyListSerialization Class Reference (HTML) (PDF)
Updated dataFromPropertyList: and propertyListFromData: to remove note about Mac OS X v10.5 behavior.
 Minor Change Cocoa
2008-06-09 Safari CSS Reference (HTML) (PDF)
Updated for Safari 3.1.
 Content Update Apple Applications, Internet & Web, Open Source
2008-06-09 vDSP One-Dimensional Fast Fourier Transforms Reference (HTML) (PDF)
Improved discussion section and added return type information for vDSP_create_fftsetup and vDSP_create_fftsetupD.
 Minor Change Carbon, Performance
2008-05-06 NSText Class Reference (HTML) (PDF)
Added a note explaining why NSTextDidEndEditingNotification may be sent without a matching NSTextDidBeginEditingNotification.
 Minor Change Cocoa, Text & Fonts
2008-05-04 NSCalendarDate Class Reference (HTML) (PDF)
Added note that use is discouraged.
 Minor Change Cocoa
2008-04-30 CARenderer Class Reference (HTML) (PDF)
Corrected description in the Overview.
 Minor Change Cocoa, Graphics & Imaging
2008-04-29 Mac OS X Man Pages (HTML)
Updated Java manual pages.
 Content Update Darwin, Mac OS X, Mac OS X Server, Open Source, Tools
2008-04-23 Aperture 2.1 SDK Reference (HTML)
Documents the Aperture APIs for creating an export plug-in or an image editing plug-in.
 Content Update Apple Applications
2008-04-23 DNS Service Discovery API Reference for C (HTML)
Reprocessed content with new toolchain.
 Minor Change Darwin, Networking, Open Source
2008-04-08 Accessibility (ApplicationServices/HIServices) Reference (HTML)
Updated for Mac OS X v10.5.
 Minor Change User Experience
2008-04-08 Bluetooth Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Darwin, Hardware & Drivers
2008-04-08 Bluetooth User Interface Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Darwin, Hardware & Drivers
2008-04-08 CFMachPort Reference (HTML) (PDF)
Corrected description of CFMachPortCallBack's "msg" parameter.
 Minor Change Core Foundation
2008-04-08 CGAffineTransform Reference (HTML) (PDF)
Made minor corrections.
 Minor Change Graphics & Imaging
2008-04-08 CGContext Reference (HTML) (PDF)
Made a minor typographical change.
 Minor Change Graphics & Imaging
2008-04-08 CGDataProvider Reference (HTML) (PDF)
Added the version field to two callback data structures.
 Minor Change Graphics & Imaging
2008-04-08 CGGeometry Reference (HTML) (PDF)
Made minor technical corrections.
 Minor Change Graphics & Imaging
2008-04-08 CGImage Reference (HTML) (PDF)
Added a cross reference to Quartz 2D Programming Guide.
 Minor Change Graphics & Imaging
2008-04-08 CGPDFPage Reference (HTML) (PDF)
Made minor corrections to the introduction.
 Minor Change Graphics & Imaging
2008-04-08 Core MIDI Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Audio
2008-04-08 Core MIDI Server Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Audio
2008-04-08 Core Services Identity Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Core Foundation, Networking, Security
2008-04-08 CPlusTest Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Carbon, Tools
2008-04-08 Darwin Notification API Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Darwin, Networking, Open Source
2008-04-08 Data Browser Reference (HTML) (PDF)
Made minor technical fixes.
 Minor Change Carbon, User Experience
2008-04-08 Directory Service Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Mac OS X Server, Networking, Open Source
2008-04-08 Disc Recording Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Audio, Carbon, Cocoa
2008-04-08 Disc Recording UI Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Audio, Carbon, Cocoa, User Experience
2008-04-08 Disk Arbitration Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Darwin, Hardware & Drivers
2008-04-08 FireWire Audio User Library Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Audio, Hardware & Drivers
2008-04-08 Force Feedback Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Darwin, Games, Hardware & Drivers, User Experience
2008-04-08 FSEvents Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Core Foundation, Darwin
2008-04-08 I/O Kit Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Audio, Darwin, Hardware & Drivers
2008-04-08 IKImageView Class Reference (HTML) (PDF)
Added information to the delegate property.
 Minor Change Cocoa, Graphics & Imaging
2008-04-08 Image Capture Applications Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Graphics & Imaging
2008-04-08 Image Capture Device Modules Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Graphics & Imaging, Hardware & Drivers
2008-04-08 JavaScriptCore Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Carbon, Core Foundation, Internet & Web, Scripting & Automation
2008-04-08 Kernel Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Audio, Darwin, Hardware & Drivers
2008-04-08 Latent Semantic Mapping Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Text & Fonts, User Experience
2008-04-08 Message Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Apple Applications, Cocoa
2008-04-08 Publication Subscription Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Cocoa, Internet & Web, Networking
2008-04-08 QCCompositionRenderer Protocol Reference (HTML) (PDF)
Fixed minor typographical error.
 Minor Change Cocoa, Graphics & Imaging
2008-04-08 QCPlugIn Class Reference (HTML) (PDF)
Added information about the memory management model used for the create function.
 Minor Change Cocoa, Graphics & Imaging
2008-04-08 System Configuration Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Darwin, Networking
2008-03-11 CAAnimationGroup Class Reference (HTML) (PDF)
Clarified that the animations grouped within a CAAnimationGroup do not get delegate messages, but that the group does.
 Content Update Cocoa, Graphics & Imaging
2008-03-11 CAOpenGLLayer Class Reference (HTML) (PDF)
Clarified that copyCGLPixelFormatForDisplayMask:, copyCGLContextForPixelFormat:, releaseCGLContext:, and releaseCGLPixelFormat: should only be implemented, never called.
 Minor Change Cocoa, Graphics & Imaging
2008-03-11 CFString Reference (HTML) (PDF)
Added information to CFStringCreateExternalRepresentation function description about string encodings that do not include a BOM.
 Minor Change Core Foundation, Internationalization
2008-03-11 Foundation Data Types Reference (HTML) (PDF)
Updated float to CGFloat where appropriate.
 Minor Change Cocoa
2008-03-11 NSDocument Class Reference (HTML) (PDF)
Revised descriptions of saveDocumentWithDelegate:didSaveSelector:contextInfo: and isDocumentEdited methods. Added descriptions (previously removed) of deprecated methods no longer appearing in header file.
 Minor Change Cocoa
2008-03-11 NSDocumentController Class Reference (HTML) (PDF)
Removed false statement that reviewUnsavedDocumentsWithAlertTitle:cancellable:delegate:didReviewAllSelector:contextInfo: can ever return NO for cancellable.
 Minor Change Cocoa
2008-03-11 NSFontDescriptor Class Reference (HTML) (PDF)
Added description of NSFontFamilyClassMask constant.
 Minor Change Cocoa
2008-03-11 NSMethodSignature Class Reference (HTML) (PDF)
Added a live link to a cross-reference in the Overview section.
 Minor Change Cocoa
2008-03-11 NSPersistentStoreCoordinator Class Reference (HTML) (PDF)
Corrected minor typographical errors.
 Minor Change Cocoa
2008-03-11 NSPrintInfo Class Reference (HTML) (PDF)
Made minor technical corrections.
 Minor Change Cocoa, Printing
2008-03-11 NSProgressIndicator Class Reference (HTML) (PDF)
Corrected typos.
 Minor Change Cocoa, User Experience
2008-03-11 NSSearchFieldCell Class Reference (HTML) (PDF)
Disambiguated the descriptions of the methods setSendsSearchStringImmediately: and setSendsWholeSearchString:.
 Minor Change Cocoa, User Experience
2008-03-11 NSSet Class Reference (HTML) (PDF)
Added NSFastEnumeration to list of adopted protocols.
 Minor Change Cocoa
2008-03-11 NSString Class Reference (HTML) (PDF)
Added paragraph to introduction describing the byte-order assumptions of factory and initialization methods taking UTF-16 input.
 Minor Change Cocoa
2008-03-11 NSURLCache Class Reference (HTML) (PDF)
Updated discussion for the -sharedURLCache method.
 Minor Change Cocoa, Internet & Web, Networking
2008-03-11 NSView Class Reference (HTML) (PDF)
Corrected information about the isOpaque method that's found in the discussion of the drawRect: method.
 Minor Change Cocoa, Graphics & Imaging, Printing
2008-03-11 WebObjects 5.4.1 Reference (HTML)
Updated for WebObjects 5.4.1.
Content Update Internet & Web, Java, Mac OS X Server, Tools
2008-03-10 CALayer Class Reference (HTML) (PDF)
Corrected method signature for removeAnimationForKey:.
 Minor Change Cocoa, Graphics & Imaging