Leopard Guides
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
On Off
Sorted by
Date 		Sort by
Title 		Sort by
Revision Type 		Sort by
Topic
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 Data Management
2009-05-06 CFNetwork Programming Guide (HTML) (PDF)
Corrected typos.
 Minor Change Networking, Security
2009-05-06 Image Unit Tutorial (HTML) (PDF)
Updated line 7 of listing 2-7.
 Minor Change Graphics & Imaging
2009-05-06 Key-Value Observing Programming Guide (HTML) (PDF)
Clarified Core Data requirement in Registering Dependent Keys.
 Minor Change Data Management, Design Guidelines
2009-05-06 Memory Management Programming Guide for Cocoa (HTML) (PDF)
Corrected typographical errors.
Minor Change Design Guidelines, Objective-C Language
2009-05-06 The Objective-C 2.0 Programming Language (HTML) (PDF)
Updated article on Mixing Objective-C and C++.
 Minor Change Objective-C Language, Tools
2009-05-06 Predicate Programming Guide (HTML) (PDF)
Corrected a typographical error.
 Minor Change Data Management, Design Guidelines
2009-05-06 Stream Programming Guide for Cocoa (HTML) (PDF)
Added a missing comment to a code sample.
 Minor Change Data Management, Networking
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 Text & Fonts
2009-03-12 Keychain Services Programming Guide (HTML) (PDF)
Corrected a typo.
 Minor Change 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 Design Guidelines, User Experience
2009-03-05 Low-Level File Management Programming Topics (HTML) (PDF)
Corrected a broken link.
 Minor Change File Management
2009-03-04 Color Programming Topics for Cocoa (HTML) (PDF)
Removed statement that drawing to printers doesn't support alpha.
 Minor Change Graphics & Imaging
2009-03-04 Core Data Programming Guide (HTML) (PDF)
Minor revision to accommodate new Getting Started document.
 Minor Change Data Management, Design Guidelines
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 Data Management
2009-03-04 Core Data Utility Tutorial (HTML) (PDF)
Updated title to better reflect purpose.
 Minor Change Data Management, Design Guidelines
2009-03-04 Dock Tile Programming Guide (HTML) (PDF)
Updated to include guidelines for Cocoa programmers.
 Content Update User Experience
2009-03-04 Error Handling Programming Guide For Cocoa (HTML) (PDF)
Corrected a link error.
 Minor Change Design Guidelines, Objective-C Language
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 Design Guidelines
2009-02-04 Archives and Serializations Programming Guide for Cocoa (HTML) (PDF)
Replaced instances of "/tmp" with NSTemporaryDirectory().
 Minor Change Data Management
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 Events & Other Input
2009-02-04 Collections Programming Topics for Cocoa (HTML) (PDF)
Corrected a code example showing indexOfObjectIdenticalTo:.
 Minor Change Data Management
2009-02-04 Dashboard Programming Topics (HTML) (PDF)
Made minor corrections.
 Minor Change Apple Applications
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 User Experience
2009-02-04 Key-Value Coding Programming Guide (HTML) (PDF)
Added substantial task information and sample code.
 Content Update Data Management, Design Guidelines
2009-02-04 Mac OS X ABI Function Call Guide (HTML) (PDF)
Made content corrections.
 Minor Change Intel-Based Macs
2009-02-04 NSPersistentDocument Core Data Tutorial (HTML) (PDF)
Updated description of editing the plist file.
 Minor Change Data Management, Design Guidelines
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 Data Management, Design Guidelines
2009-02-04 Objective-C 2.0 Runtime Programming Guide (HTML) (PDF)
Corrected typographical errors.
Minor Change Objective-C Language, Runtime Architecture
2009-02-04 Toolbar Programming Topics for Cocoa (HTML) (PDF)
Updated for Mac OS X v10.5 (Leopard).
 Minor Change 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 Data Management, Internet & Web
2009-02-04 Universal Binary Programming Guidelines, Second Edition (HTML) (PDF)
Made minor content additions.
 Minor Change Intel-Based Macs, Porting
2009-02-04 Window Programming Guide for Cocoa (HTML) (PDF)
Added information on the use of backing locations to improve performance.
 Minor Change User Experience
2009-02-04 Xcode Design Tools for Class Modeling (HTML) (PDF)
Made minor content fixes.
 Minor Change Design Guidelines, Tools
2009-01-12 Document-Based Applications Overview (HTML) (PDF)
Removed private constant from document types listing.
 Minor Change Design Guidelines
2009-01-06 Authorization Services Programming Guide (HTML) (PDF)
Corrected minor errors. Changed the title from "Performing Privileged Operations With Authorization Services."
 Minor Change Security
2009-01-06 Cocoa Drawing Guide (HTML) (PDF)
Updated the guidelines associated with resolution independent drawing.
 Minor Change Graphics & Imaging
2009-01-06 Internationalization Programming Topics (HTML) (PDF)
Fixed the ibtool examples to use the updated syntax.
 Minor Change Internationalization
2009-01-06 Resource Programming Guide (HTML) (PDF)
Added information about KVO notifications during nib loading.
 Minor Change Resource Management
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 Internet & Web, Networking
2009-01-06 Xcode Overview (HTML) (PDF)
Made minor changes and added glossary.
 Minor Change Tools
2009-01-06 Xcode Project Management Guide (HTML) (PDF)
Made minor content changes.
 Minor Change Tools
2009-01-06 Xcode Workspace Guide (HTML) (PDF)
Made minor content fixes.
 Minor Change Tools
2008-11-19 Certificate, Key, and Trust Services Programming Guide (HTML) (PDF)
Added information about, and code samples for, iPhone OS.
 Content Update Security
2008-11-19 Cocoa Fundamentals Guide (HTML) (PDF)
Made various small corrections.
 Content Update Design Guidelines
2008-11-19 Code Signing Guide (HTML) (PDF)
Added a chapter describing the code signing requirement language.
 Content Update Security
2008-11-19 Garbage Collection Programming Guide (HTML) (PDF)
Added note that Foundation programs need to use objc_startCollectorThread().
 Minor Change Design Guidelines, Objective-C Language, Performance, Runtime Architecture
2008-11-19 Interface Builder User Guide (HTML) (PDF)
Updated to incorporate information about nib files in iPhone OS.
 Minor Change Tools
2008-11-19 Object-Oriented Programming with Objective-C (HTML) (PDF)
Corrected typographical errors.
Minor Change Design Guidelines, Objective-C Language
2008-11-19 Property List Programming Guide (HTML) (PDF)
Combined Cocoa and Core Foundation documents on property lists and reorganized material. Added a "Quick Start" mini-tutorial and a chapter on programmatically creating property lists. Mentioned iPhone OS as a platform on which property lists are important.
 Content Update Data Management
2008-11-19 Timer Programming Topics for Cocoa (HTML) (PDF)
Corrected typographical errors.
 Minor Change Events & Other Input
2008-11-13 Core Animation Programming Guide (HTML) (PDF)
Introduces iPhone SDK content to Mac OS X content. Corrects frame animation capabilities.
 Content Update Graphics & Imaging
2008-10-15 Animation Overview (HTML) (PDF)
Corrected typos.
 Minor Change Games, Graphics & Imaging
2008-10-15 Button Programming Topics for Cocoa (HTML) (PDF)
Added "Querying Button Matrices" plus a example of programmatically creating a matrix of radio buttons. Also removed "Deprecated Buttons" from "Types of Buttons".
 Minor Change User Experience
2008-10-15 Control and Cell Programming Topics for Cocoa (HTML) (PDF)
Made minor corrections.
 Minor Change User Experience
2008-10-15 Data Formatting Programming Guide for Cocoa (HTML) (PDF)
Corrected typographical errors.
 Minor Change Data Management
2008-10-15 Mac OS X Technology Overview (HTML) (PDF)
Removed outdated reference to jikes compiler. Marked the AppleShareClient framework as deprecated, which it was in Mac OS X v10.5.
 Minor Change Accessibility
2008-10-15 NSNetServices and CFNetServices Programming Guide (HTML) (PDF)
Updated code listings.
 Minor Change Networking
2008-10-15 Quartz Composer Programming Guide (HTML) (PDF)
Added description of "onloading" HTML attribute in Quartz Composer WebKit plug-in.
 Minor Change Graphics & Imaging
2008-10-15 Security Overview (HTML) (PDF)
Added a link to the iPhone OS Technology Overview.
 Content Update Security
2008-10-15 String Programming Guide for Cocoa (HTML) (PDF)
Added new aricle on character clusters; updated list of string format specifiers.
 Minor Change Data Management, Text & Fonts
2008-10-15 Text Layout Programming Guide for Cocoa (HTML) (PDF)
Added information on thread safety to "The Layout Manager" article.
 Minor Change Text & Fonts
2008-10-15 WebKit DOM Programming Topics (HTML) (PDF)
Minor edits throughout.
 Minor Change Internet & Web
2008-10-15 WebKit Objective-C Programming Guide (HTML) (PDF)
Minor edits throughout.
 Minor Change Graphics & Imaging, Internet & Web, User Experience
2008-10-15 WebKit Plug-In Programming Topics (HTML) (PDF)
Added information regarding alternatives to plug-in development.
 Minor Change Internet & Web
2008-10-15 Xcode Quick Tour for Mac OS X (HTML) (PDF)
Added information about how to implement the Converter application.
 Minor Change Tools
2008-09-09 Event-Driven XML Programming Guide for Cocoa (HTML) (PDF)
Added note about introduction of namespace support in v10.4.
 Minor Change Data Management