This page lists new and recently changed documentation. Most documentation has a revision history, which details additions and changes since the previous version. Look for "Revision History" in the documentation'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 developer documentation is 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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2009-05-06 Binary Data Programming Guide for Cocoa (HTML) (PDF)
Corrected the code listing under Modifying Bytes to account for the null terminator on the strings.
 Minor Change Cocoa
2009-05-06 CFNetwork Programming Guide (HTML) (PDF)
Corrected typos.
 Minor Change Carbon, Cocoa, Core Foundation, Networking, Open Source, Security
2009-05-06 HID Class Device Interface Guide (HTML) (PDF)
Made minor corrections to code samples.
 Minor Change Darwin, Hardware & Drivers
2009-05-06 Image Unit Tutorial (HTML) (PDF)
Updated line 7 of listing 2-7.
 Minor Change Carbon, Cocoa, Games, Graphics & Imaging
2009-05-06 Key-Value Observing Programming Guide (HTML) (PDF)
Clarified Core Data requirement in Registering Dependent Keys.
 Minor Change Cocoa
2009-05-06 Memory Management Programming Guide for Cocoa (HTML) (PDF)
Corrected typographical errors.
Minor Change Cocoa
2009-05-06 The Objective-C 2.0 Programming Language (HTML) (PDF)
Updated article on Mixing Objective-C and C++.
 Minor Change Cocoa, Tools
2009-05-06 Porting Drivers to Mac OS X (HTML) (PDF)
Corrected bugs in code samples.
 Minor Change Darwin, Open Source, Porting
2009-05-06 Porting to Mac OS X from Windows Win32 API (HTML) (PDF)
Corrected typos.
 Minor Change Porting
2009-05-06 Predicate Programming Guide (HTML) (PDF)
Corrected a typographical error.
 Minor Change Cocoa
2009-05-06 Stream Programming Guide for Cocoa (HTML) (PDF)
Added a missing comment to a code sample.
 Minor Change Cocoa, Networking
2009-04-08 Shell Scripting Primer (HTML) (PDF)
Added a forward link in the awk section. Added a few minor cross-platform porting notes. Added a CSH compatibility note about numeric comparisons.
 Minor Change Enterprise IT, Mac OS X Server, Open Source, Scripting & Automation, Tools
2009-04-08 Text System Overview (HTML) (PDF)
Added link in "Building a Text Editor in 15 Minutes" to information explaining how to configure an application's document types settings.
 Minor Change Cocoa, Text & Fonts
2009-03-12 Keychain Services Programming Guide (HTML) (PDF)
Corrected a typo.
 Minor Change Carbon, Cocoa, Security
2009-03-08 Cocoa Bindings Programming Topics (HTML) (PDF)
Added warning about lack of key-value observing change values to Controller Key-Value Observing Compliance.
 Minor Change Cocoa
2009-03-05 Low-Level File Management Programming Topics (HTML) (PDF)
Corrected a broken link.
 Minor Change Cocoa
2009-03-04 Audio Device Driver Programming Guide (HTML) (PDF)
Corrected errors in Listing 3-12 and 3-13.
 Minor Change Audio, Darwin, Hardware & Drivers
2009-03-04 Color Programming Topics for Cocoa (HTML) (PDF)
Removed statement that drawing to printers doesn't support alpha.
 Minor Change Cocoa, Graphics & Imaging
2009-03-04 Core Data Programming Guide (HTML) (PDF)
Minor revision to accommodate new Getting Started document.
 Minor Change Cocoa
2009-03-04 Core Data Snippets (HTML) (PDF)
New document that provides snippets of code that you can use when writing a program that uses Core Data.
 First Version Cocoa
2009-03-04 Core Data Utility Tutorial (HTML) (PDF)
Updated title to better reflect purpose.
 Minor Change Cocoa
2009-03-04 Dashcode User Guide (HTML) (PDF)
Made minor corrections.
 Minor Change Apple Applications, Scripting & Automation, Tools, User Experience
2009-03-04 Dock Tile Programming Guide (HTML) (PDF)
Updated to include guidelines for Cocoa programmers.
 Content Update Carbon, Cocoa, User Experience
2009-03-04 Error Handling Programming Guide For Cocoa (HTML) (PDF)
Corrected a link error.
 Minor Change Cocoa
2009-03-03 64-Bit Transition Guide for Cocoa (HTML) (PDF)
Updated to add a section on tuning memory usage in 64-bit Cocoa applications.
 Content Update Cocoa
2009-03-02 Network Kernel Extensions Programming Guide (HTML) (PDF)
Fixed an error in a code listing related to the return value of the socket function.
 Minor Change Darwin, Hardware & Drivers, Networking
2009-02-26 Dynamic Library Programming Topics (HTML) (PDF)
Added information about run-path dependent libraries.
 Minor Change Darwin, Open Source, Tools
2009-02-04 Archives and Serializations Programming Guide for Cocoa (HTML) (PDF)
Replaced instances of "/tmp" with NSTemporaryDirectory().
 Minor Change Cocoa
2009-02-04 Cocoa Event-Handling Guide (HTML) (PDF)
Added Mac OS X v10.5 details about scroll-wheel events and key equivalents.
 Minor Change Cocoa
2009-02-04 Collections Programming Topics for Cocoa (HTML) (PDF)
Corrected a code example showing indexOfObjectIdenticalTo:.
 Minor Change Cocoa
2009-02-04 Dashboard Programming Topics (HTML) (PDF)
Made minor corrections.
 Minor Change Apple Applications, Cocoa, Internet & Web, Scripting & Automation, Tools, User Experience
2009-02-04 Dialogs and Special Panels (HTML) (PDF)
Updated for Mac OS X v10.5: added "Customizing Alert Dialogs," which describes the suppression checkbox and accessory views.
 Minor Change Cocoa, User Experience
2009-02-04 Final Cut Pro XML Interchange Format (HTML) (PDF)
Minor changes to documentation.
 Minor Change Apple Applications
2009-02-04 Key-Value Coding Programming Guide (HTML) (PDF)
Added substantial task information and sample code.
 Content Update Cocoa
2009-02-04 Mac OS X ABI Function Call Guide (HTML) (PDF)
Made content corrections.
 Minor Change Carbon, Cocoa, Darwin, Tools
2009-02-04 Mach-O Programming Topics (HTML) (PDF)
Made minor changes.
 Minor Change Tools
2009-02-04 NSPersistentDocument Core Data Tutorial (HTML) (PDF)
Updated description of editing the plist file.
 Minor Change Cocoa
2009-02-04 NSPersistentDocument Core Data Tutorial for Mac OS X v10.4. (HTML) (PDF)
Re-release of Mac OS X v10.4 version of NSPersistentDocument Core Data Tutorial.
 First Version Cocoa
2009-02-04 Objective-C 2.0 Runtime Programming Guide (HTML) (PDF)
Corrected typographical errors.
Minor Change Cocoa
2009-02-04 Toolbar Programming Topics for Cocoa (HTML) (PDF)
Updated for Mac OS X v10.5 (Leopard).
 Minor Change Cocoa, User Experience
2009-02-04 Tree-Based XML Programming Guide for Cocoa (HTML) (PDF)
Replaced use of deprecated method loadDataRepresentation:ofType: with readFromData:ofType:error:.
 Minor Change Cocoa, Internet & Web
2009-02-04 Universal Binary Programming Guidelines, Second Edition (HTML) (PDF)
Made minor content additions.
 Minor Change Carbon, Cocoa, Darwin, Mac OS X, Open Source, Performance, Tools
2009-02-04 WebObjects Tutorial (HTML) (PDF)
New document that describes the process for building a simple WebObjects application using Eclipse and the WOLips plug-in.
 First Version Internet & Web, Java, Mac OS X Server, Tools
2009-02-04 Window Programming Guide for Cocoa (HTML) (PDF)
Added information on the use of backing locations to improve performance.
 Minor Change Cocoa, User Experience
2009-02-04 Xcode Build System Guide (HTML) (PDF)
Made minor content changes.
 Minor Change Tools
2009-02-04 Xcode Design Tools for Class Modeling (HTML) (PDF)
Made minor content fixes.
 Minor Change Carbon, Cocoa, Java, Tools
2009-01-12 Document-Based Applications Overview (HTML) (PDF)
Removed private constant from document types listing.
 Minor Change Cocoa
2009-01-06 Authorization Services Programming Guide (HTML) (PDF)
Corrected minor errors. Changed the title from "Performing Privileged Operations With Authorization Services."
 Minor Change Carbon, Cocoa, Darwin, Open Source, Security
2009-01-06 Cocoa Drawing Guide (HTML) (PDF)
Updated the guidelines associated with resolution independent drawing.
 Minor Change Cocoa, Graphics & Imaging
2009-01-06 Documentation Set Guide (HTML) (PDF)
Made minor corrections.
 Minor Change Tools
2009-01-06 Internationalization Programming Topics (HTML) (PDF)
Fixed the ibtool examples to use the updated syntax.
 Minor Change Carbon, Cocoa, Core Foundation, Internationalization, Tools
2009-01-06 PackageMaker User Guide (HTML) (PDF)
Made minor technical corrections.
 Minor Change Tools
2009-01-06 Quartz Composer WebKit Plug-in JavaScript Reference (HTML) (PDF)
Updated the description of the attributes method.
 Minor Change Apple Applications, Graphics & Imaging, Internet & Web, Scripting & Automation
2009-01-06 Resource Programming Guide (HTML) (PDF)
Added information about KVO notifications during nib loading.
 Minor Change Carbon, Cocoa, Core Foundation
2009-01-06 Safari JavaScript Database Programming Guide (HTML) (PDF)
Expanded SQL syntax coverage. Corrected database example instructions.
 Content Update Apple Applications, Internet & Web
2009-01-06 Safari User Guide for Web Developers (HTML) (PDF)
Added description of Safari Mobile debug console.
 Minor Change Apple Applications, Internet & Web, Networking, Scripting & Automation
2009-01-06 Web Services Core Programming Guide (HTML) (PDF)
Updated text and sample code. Moved API reference information to "Web Services Core Reference".
 Minor Change Carbon, Cocoa, Internet & Web, Networking
2009-01-06 What's New in Xcode (HTML) (PDF)
Made minor corrections.
 Minor Change Tools
2009-01-06 Xcode Debugging Guide (HTML) (PDF)
Made minor content changes.
 Content Update Performance, Tools
2009-01-06 Xcode Overview (HTML) (PDF)
Made minor changes and added glossary.
 Minor Change Carbon, Cocoa, Tools
2009-01-06 Xcode Project Management Guide (HTML) (PDF)
Made minor content changes.
 Minor Change Carbon, Cocoa, Internationalization, Tools
2009-01-06 Xcode Refactoring Guide (HTML) (PDF)
Made minor content changes.
 Minor Change Tools
2009-01-06 Xcode Source Management Guide (HTML) (PDF)
Made minor changes.
 Minor Change Tools
2009-01-06 Xcode Workspace Guide (HTML) (PDF)
Made minor content fixes.
 Minor Change Carbon, Cocoa, Internet & Web, Tools