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
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2008-07-11 File System Overview (HTML) (PDF)
Revised information about initial file permissions.
Minor Change File Management
2008-07-08 The Objective-C 2.0 Programming Language (HTML) (PDF)
Corrected typographical errors.
Minor Change Objective-C Language, Tools
2008-07-08 Xcode Project Management Guide (HTML) (PDF)
New document that provides practical descriptions of the major development tasks developers perform with Xcode.
First Version Tools
2008-06-19 Debugging with GDB (HTML)
Content Update Tools
2008-06-09 Apple Human Interface Guidelines (HTML) (PDF)
Fixed minor errors.
Minor Change Accessibility, Design Guidelines, User Experience
2008-06-09 Core Image Programming Guide (HTML) (PDF)
Added details on coordinate spaces.
Minor Change Graphics & Imaging
2008-06-09 Image Kit Programming Guide (HTML) (PDF)
Added information about support for dragging image views.
Minor Change Graphics & Imaging
2008-06-09 Image Unit Tutorial (HTML) (PDF)
Updated the table of input parameters to kernel routines.
Minor Change Graphics & Imaging
2008-06-05 Xcode Quick Tour Guide for Mac OS X (HTML) (PDF)
Made minor updates to several chapters. Changed the title from "Xcode Quick Tour Guide."
Minor Change Tools
2008-05-27 Xcode Overview (HTML) (PDF) (日本語 HTML) (日本語 PDF)
New document that describes the Xcode IDE and its major components, and provides and overview of the development process.
First Version Tools
2008-05-22 Xcode Workspace Guide (HTML) (PDF)
New document that provides an overview of the Xcode workspace, and shows how to use its components and features.
First Version Tools
2008-05-06 Core Animation Programming Guide (HTML) (PDF)
Corrected typos.
Minor Change Graphics & Imaging
2008-05-06 URL Loading System (HTML) (PDF)
Made minor editorial changes.
Minor Change Internet & Web, Networking
2008-05-02 Xcode Unit Testing Guide (HTML) (PDF)
Updated for Xcode 3.0.
Minor Change Design Guidelines
2008-04-15 Xcode Design Tools for Class Modeling (HTML) (PDF)
New document that describes the Xcode Design Tools for Class Modeling.
First Version Design Guidelines, Tools
2008-04-15 Xcode Tools for Core Data (HTML) (PDF)
New document that describes the Xcode modeling tools for Core Data.
First Version Data Management, Tools
2008-04-10 View Programming Guide for Cocoa (HTML) (PDF)
Corrected typos.
Minor Change Graphics & Imaging
2008-04-08 Animation Overview (HTML) (PDF)
Corrected typos.
Minor Change Games, Graphics & Imaging
2008-04-08 Animation Types and Timing Programming Guide (HTML) (PDF)
Corrected typos.
Minor Change Graphics & Imaging
2008-04-08 Uniform Type Identifiers Overview (HTML) (PDF)
Added information about the UTI character set.
Minor Change File Management, Interapplication Communication
2008-03-11 Accessibility Overview (HTML) (PDF)
Removed the Children attribute from the Busy Indicator role information.
Minor Change Accessibility
2008-03-11 AppleScript Language Guide (HTML) (PDF)
Updated to describe AppleScript features through Mac OS X v10.5 and AppleScript 2.0.
Content Update Scripting & Automation
2008-03-11 CFNetwork Programming Guide (HTML) (PDF)
Made minor typographical corrections and clarifications.
Minor Change Networking, Security
2008-03-11 Cocoa Scripting Guide (HTML) (PDF)
Minor corrections for working with sdefs.
Minor Change Design Guidelines, Scripting & Automation
2008-03-11 Core Animation Cookbook (HTML) (PDF)
Corrected typos.
Minor Change Graphics & Imaging
2008-03-11 Cursor Management (HTML) (PDF)
Updated information about cursor size and types. Replaced one article with a more relevant article.
Minor Change Events & Other Input, User Experience
2008-03-11 Garbage Collection Programming Guide (HTML) (PDF)
Corrected typographical errors.
Minor Change Design Guidelines, Objective-C Language, Performance, Runtime Architecture
2008-03-11 Scripting Bridge Programming Guide for Cocoa (HTML) (PDF)
Changed occurrences of the nonexistent method name +classForApplicationWithBundleIdentifier to the correct method name, +applicationWithBundleIdentifier:.
Minor Change Scripting & Automation
2008-02-08 Atomic Store Programming Topics (HTML) (PDF)
Corrected typographical errors.
Minor Change Data Management
2008-02-08 Core Data Model Versioning and Data Migration Programming Guide (HTML) (PDF)
Added a note about migrating stores from Mac OS X v10.4 (Tiger).
Minor Change Data Management
2008-02-08 Core Data Programming Guide (HTML) (PDF)
Enhanced the discussions of legacy data importing and memory management.
Minor Change Data Management, Design Guidelines
2008-02-08 Font Handling (HTML) (PDF)
Corrected typo in "Responding to Font Changes" code example.
Minor Change Text & Fonts
2008-02-08 Low-Level Core Data Tutorial (HTML) (PDF)
Updated for Mac OS X v10.5.
Content Update Data Management, Design Guidelines
2008-02-08 Low-Level File Management Programming Topics (HTML) (PDF)
Removed references to deprecated Java classes.
Minor Change File Management
2008-02-08 Memory Management Programming Guide for Cocoa (HTML) (PDF)
Corrected a broken link to the "Carbon-Cocoa Integration Guide."
Minor Change Design Guidelines, Objective-C Language
2008-02-08 Model Object Implementation Guide (HTML) (PDF)
Corrected the implementation example for setNilValueForKey:; updated the examples for dependent keys.
Minor Change Design Guidelines
2008-02-08 NSPersistentDocument Core Data Tutorial (HTML) (PDF)
Corrected typographical errors.
Minor Change Data Management, Design Guidelines
2008-02-08 Number and Value Programming Topics for Cocoa (HTML) (PDF)
Updated for Mac OS X v10.5.
Minor Change Data Management
2008-02-08 Quick Look Programming Guide (HTML) (PDF)
Corrected minor errors.
Minor Change User Experience
2008-02-08 Search Fields (HTML) (PDF)
Clarified the behavior of the cancel button.
Minor Change User Experience
2008-02-08 Security Overview (HTML) (PDF)
Added descriptions of new features for Mac OS X v10.5.
Minor Change Security
2008-02-08 Text Editing Programming Guide for Cocoa (HTML) (PDF)
Corrected typographical errors.
Minor Change Text & Fonts
2008-02-08 Threading Programming Guide (HTML) (PDF)
Performed a major rewrite and update of thread-related concepts and tasks.
Content Update Performance, Process Management