iOS 5.0 to iOS 5.1 API Differences

Accelerate

No changes

Accounts

No changes

AddressBook

No changes

AddressBookUI

No changes

AssetsLibrary

ALAssetRepresentation.h

Added -[ALAssetRepresentation dimensions]

AudioToolbox

AudioFormat.h

Added kAudioFormatProperty_FormatIsEncrypted

AudioUnit

AUComponent.h

Added kAudioUnitSubType_RoundTripAAC (no architecture available)

AudioUnitParameters.h

Removed k3DMixerParam_PostAveragePower (no architecture available)

Removed k3DMixerParam_PostPeakHoldLevel (no architecture available)

Removed k3DMixerParam_PreAveragePower (no architecture available)

Removed k3DMixerParam_PrePeakHoldLevel (no architecture available)

AVFoundation

AVError.h

Added AVErrorInvalidOutputURLPathExtension

CFNetwork

No changes

CoreAudio

CoreAudioTypes.h

Added kAudioFormatMPEG4AAC_ELD_V2

CoreBluetooth

No changes

CoreData

No changes

CoreFoundation

CFURL.h

Added kCFURLIsExcludedFromBackupKey

CoreGraphics

No changes

CoreImage

No changes

CoreLocation

No changes

CoreMedia

No changes

CoreMIDI

No changes

CoreMotion

No changes

CoreTelephony

No changes

CoreText

No changes

CoreVideo

CVPixelBuffer.h

Added kCVPixelFormatType_OneComponent8

Added kCVPixelFormatType_TwoComponent8

EventKit

No changes

EventKitUI

No changes

ExternalAccessory

No changes

Foundation

NSURL.h

Added NSURLIsExcludedFromBackupKey

GameKit

No changes

GLKit

No changes

GSS

No changes

iAd

No changes

ImageIO

No changes

MapKit

No changes

MediaPlayer

No changes

MessageUI

No changes

MobileCoreServices

No changes

NewsstandKit

No changes

OpenAL

No changes

OpenGLES

No changes

QuartzCore

No changes

QuickLook

No changes

Security

No changes

StoreKit

No changes

SystemConfiguration

No changes

Twitter

No changes

UIKit

UISplitViewController.h

Added UISplitViewController.presentsWithGesture

UITextInput.h

Added UIDictationPhrase

Added UIDictationPhrase.alternativeInterpretations

Added UIDictationPhrase.text

Added -[UITextInput dictationRecognitionFailed]

Added -[UITextInput dictationRecordingDidEnd]

Added -[UITextInput insertDictationResult:]