IOS 5.x: automatic reference counting, storyboard, custom control rendering, container View Controller
- IOS5.1
- The Text Input view supports DictationSupport in Text Input Views.
- IOS5.0
- Cloud storage API iCloudStorage APIs
- Cloud backup iCloudBackup
- Automatic Reference count AutomaticReference Counting
- Storyboards
- Create a storyboard file CreatingStoryboard Files
- Prepare to Transition to the New video Controller Preparingto Transition to a New View Controller
- Program presentation storyboard (in) View Controller PresentingStoryboard View Controllers Programmatically
- Newsstand support
- AirPlayImprovements
- New Framework NewFrameworks
- GLKit framework GLKitFramework
- Core Graphic Framework CoreImage Framework
- Twitter framework TwitterFramework
- Account framework AccountsFramework
- General Security Service Framework GenericSecurity Services Framework
- Core Bluetooth CoreBluetooth
- AppDesign-Level Improvements improved by the Application Design Layer
- Documentation supports DocumentSupport
- Improve data protection DataProtection Improvements
- UIKit control custom rendering CustomAppearance for UIKit Controls
- Container View Controller supports ContainerView Controller Support
- Set Settings
- Xcode tool XcodeTools
- Xcode improved XcodeImprovements
- OpenGL ES Debugging OpenGLES Debugging
- UI Automation strong UIAutomation Enhancements
- A group of Instruments
- Additional frameworks to enhance AdditionalFramework Enhancements
- UIKit
- Open graphics library Embedded System Version OpenGLES
- Open audio library OpenAL
- Message UI MessageUI
- Media Player MediaPlayer
- Map Development Kit (MapKit)
- Advertisement iAd
- Game Development Kit GameKit
- Basic Foundation
- ExternalAccessory
- Event Development Kit and Event Development Kit UI EventKit and Event Kit UI
- Core mobile (touch screen and accelerator event processing) CoreMotion
- Core location (MAP and positioning) CoreLocation
- Core graphics (Quartz 2D) CoreGraphics
- Core Data (sqlite encapsulation framework) CoreData
- Core audio CoreAudio
- AV basic AVFoundation
- Resource library AssetsLibrary
- Address book AddressBook
- Security
- RevisionHistory
- IOS Technology preview Technology Overview
- IOS Man-Machine Interface Guidelines Human Interface Guidelines
- IOS app programming Guide AppProgramming Guide for iOS