iOS SDK Release Notes for iOS 9 Beta 5

Contents:

Introduction

iOS SDK 9.0 provides support for developing iOS apps. It is packaged with a complete set of Xcode tools, compilers, and frameworks for creating apps for iOS and OS X. These tools include the Xcode IDE and the Instruments analysis tool, among many others.

With this software you can develop apps for iPhone, iPad, or iPod touch running iOS 9. You can also test your apps using the included Simulator, which supports iOS 9. iOS SDK 9.0 requires a Mac computer running OS X v10.10.3 (Yosemite) or later.

This version of iOS is intended for installation only on devices registered with the Apple Developer Program. Attempting to install this version of iOS in an unauthorized manner could put your device in an unusable state.

For more information and additional support resources, visit http://developer.apple.com/programs/ios/.

Bug Reporting

For issues not mentioned in the Notes and Known Issues section, please file bugs through the Apple Developer website (https://developer.apple.com/bug-reporting/ios/). Additionally, you may discuss these issues and iOS SDK 9.0 in the Apple Developer Forums: https://forums.developer.apple.com/community/pre-release/ios-9-beta. To get more information about iCloud for Developers, go to http://developer.apple.com/icloud.

Autosubmission of Diagnostic and Usage Data

By default, the iOS 9 beta automatically sends anonymous diagnostic and usage data back to Apple. This includes information about crashes, freezes, kernel panics, and information about how you use Apple and third-party software, hardware, and services. This information is used to help Apple improve the quality and performance of its products and services. You can stop autosubmission of diagnostics and usage data by going to Settings > Privacy > Diagnostics and Usage > Don’t Send.

Notes and Known Issues

The following issues relate to using iOS SDK 9.0 to develop code.

Accessories

Fixed in Beta 5

Lightning video dongles don’t work with this beta.

App Store

Note

iOS 9 enforces the UILaunchImages requirement; apps can no longer declare the same launch image to support different interface orientations.

Known Issue

Users might be prompted twice for credentials on the first In-App Purchase.

Apple ID

Note

Some users will be offered the option to upgrade their Apple ID to use two-factor authentication. For more information about two-factor authentication see developer.apple.com/support/two-factor-authentication. Two-factor authentication is not supported on iOS 9 betas prior to beta 3.

Fixed in Beta 5

  • You may not be able to create a new Apple ID in Settings or Setup Assistant.

    Workaround: Create a new iCloud account on iCloud.com.

  • You cannot manage your two-factor authentication trusted devices at appleid.apple.com.

    Workaround: You can find and manage trusted devices in Settings > iCloud > yourName > Devices.

  • Removing a device from your account removes it as a trusted device for two-factor authentication, but will not sign out of any services or permanently remove it from the device list.

    Workaround: To fully remove a device, click Remove From Account then sign out of iCloud in device Settings of the device you want to remove.

Known Issues

  • iForgot links may work intermittently.

    Workaround: Please try again.

  • If you upgrade your Apple ID to use two-factor authentication, iTunes purchases on Mac and Windows and store purchases on Apple TV will require you to append a six-digit verification code to the end of your password on every purchase. The six-digit code will display automatically on your iOS 9 or OS X El Capitan devices, or can be sent to your trusted phone number via a text message or phone call.

  • If your Apple ID uses two-factor authentication, you may not be able to sign in to services that use Apple ID on iOS 9 and OS X El Capitan beta installations earlier than beta 3.

  • If you disable two-factor authentication and set a new password at iForgot.apple.com, the password requirements are not indicated so your password may not be accepted.

    Workaround: Make sure your password meets these requirements:

    • Have at least one lowercase letter

    • Have at least one uppercase letter

    • Have at least one number

    • Your password must not contain more than two consecutive identical characters

    • Not be the same as the account name

    • Be at least 8 characters

    • Not be a common password

AVFoundation

Notes

  • The canUseNetworkResourcesForLiveStreamingWhilePaused property has been added to AVPlayerItem. The default value is NO for apps linked on or after iOS 9.0 or OS X 10.11, but YES for apps that were linked earlier.

    To minimize power usage, set this property to NO if you do not need playback state to stay up to date while paused.

  • AVQueuePlayer now supports a mixture of file-based media and HTTP Live Streaming media in its queue. Prior to this, you had to ensure that all items in the queue were of the same type.

  • For apps linked against iOS 9 or later, the media interruption behavior for AV(Queue)Player has changed.

    Before iOS 9, apps could interrupt other media-playing clients by associating or adding AVPlayerItem to AVPlayer or by modifying the time or date of the current AVPlayerItem (using the seekToTime: or seekToDate: methods). In iOS 9, these operations interrupt only when AVPlayer object’s playback rate is changed to a non-zero value through the rate property or play method.

  • Picture in Picture playback might stop and the Picture in Picture button might disappear when using AVPlayerViewController for video playback and replacing the underlying AVPlayer object’s current item usingreplaceCurrentItemWithPlayerItem:.

  • The AVPictureInPictureController interface and the cancelPictureInPicture method are deprecated.

Calendar

Fixed in Beta 5

Calendar may hang if you tap Ignore on a suggested event.

CarPlay

Fixed in Beta 5

The Home button may not always work.

Known Issue

The navigation bar in Maps can sometimes get into a state where it is inaccessible.

CBCentralManager

Note

The retrievePeripherals: and retrieveConnectedPeripherals methods were deprecated in iOS 7.0 and removed in iOS 9.0. Apps that use these methods will crash on launch or upon pairing an accessory.

Enterprise

Note

iOS 9 adds support for TLS v1.2 in 8021.X authentication. Authentication servers that support TLS v1.2 may require an update for compatibility. If you are using FreeRADIUS, update to version 2.2.7 or 3.0.8. If you are using Aruba ClearPass update to version 6.5.2. If you are using other Aruba products, update to ArubaOS 6.4.2.9.

Foundation

Notes

  • There is new Foundation API that can be used to detect if the device is in Low Power Mode. See the updated Energy Efficiency Guide for iOS Apps for details.

  • Horizontal location constraints should consistently reference either left/right or leading/trailing attributes. For apps linked against the iOS 9 SDK, NSLayoutConstraint will throw an exception if you attempt to create a constraint between a leading/trailing attribute and a left/right attribute.

HealthKit

Known Issue

In rare circumstances, it is possible for the health database to be deleted during an upgrade to a beta build.

Workaround: To make sure the health database is not lost, make an encrypted iTunes backup prior to installing this beta.

Although keeping the device unlocked for the duration of the upgrade process reduces the risk of the database being destroyed, it’s recommended that you create a backup so that you can recover the database if you encounter this issue.

Home Sharing

Fixed in Beta 5

  • If you have an empty music library, you will be unable to enable or disable Home Sharing in Music.

  • The Home Sharing option doesn't always appear in My Music.

iCloud Drive

Note

The fetchAllChanges property on CKFetchRecordChangesOperation has been deprecated, and will be removed in iOS 9.

Keyboards

Note

Russian, Turkish, and Korean QuickType keyboards require iOS 9 beta 2 or later.

Fixed in Beta 5

If you use a complex passcode on an iPad, some panes in Settings will now show the keyboard.

Keychain

Note

iCloud Keychain will not sync passwords & credit cards with previous betas of iOS 9 and OS X El Capitan.

Fixed in Beta 5

  • You may not be able to accept a Suggested Password when creating a new account.

  • You may be unable to join an existing iCloud Keychain circle using iCloud Security Code and SMS Verification Code.

  • After changing your iCloud password, you may see an “iCloud Keychain Reset” prompt.

  • If you have two-step verification enabled on your AppleID and then change your iCloud Keychain or iCloud Security Code on a non-trusted device, you see a “Verification Failed” error.

  • If your iCloud account uses two-factor authentication, you will get a sign-in alert on all logged-in iOS 9 or OS X El Capitan devices whenever there is a change in the phone number in Settings > iCloud > Keychain > Advanced.

Mail

Known Issue

A Yahoo mail account may periodically display “Cannot get mail.”

Maps

Known Issue

If you use Siri to get driving, walking, or transit directions, you may see a failure with a dialog that says “Current Location not Available.”

Workaround: Toggle Wi-Fi and then try again. Alternatively, get directions in Maps directly without using Siri.

Messages

Fixed in Beta 5

  • When recording audio messages, the audio glyphs are not shown. This occurs in both quick reply and in the Messages app.

  • When you send an audio message, it may be difficult to begin playback.

Music

Note

When users plug in headphones or connect to Bluetooth or CarPlay in their car, their favorite music app appears on the lock screen or the car display.

For your app to be eligible for this, it must publish to Now Playing upon launch and consistently maintain a Now Playing state. A common practice upon launch is to continue playing the track from when the app was last exited.

Known Issues

  • The share sheet may not appear when sharing tracks from Apple Music.

  • The New tab may not load if you are not signed into Apple Music.

Networking

Note

When negotiating a TLS/SSL connection with Diffie-Hellman key exchange, iOS 9 requires a 1024-bit group or larger. These connections include:

  • Secure Web (HTTPS)

  • Enterprise Wi-Fi (802.1X)

  • Secure e-mail (IMAP, POP, SMTP)

  • Printing servers (IPPS)

Photo Booth

Fixed in Beta 5

Photos taken with Photo Booth are not saved.

ReplayKit

Known Issue

Playing a video while ReplayKit recording is ON will stop ongoing recording session and video will fail to play.

Safari

Fixed in Beta 5

Fixed a bug where calling reloadContentBlockerWithIdentifier:completionHandler: returned an error when running on a physical device.

Notes

  • When Done is tapped in a SFSafariViewController, it is automatically dismissed. You no longer need to dismiss it in the delegate method safariViewControllerDidFinish:.

  • “Find on Page” is now available both from the share sheet as well as in the Completions List.

  • Request Desktop Site has moved; it’s now in the Share sheet instead of Favorites.

  • Web Browser–to–Native App Handoff does not work with your app if the apple-app-site-association file isn’t correctly formatted and signed. For more information, see Handoff Programming Guide and Shared Web Credentials Reference.

Secure Transport

Note

  • DHE_RSA ciphersuites are now disabled by default in Secure Transport for TLS clients. This may cause failure to connect to TLS servers that only support DHE_RSA cipher suites. Applications that explicitly enable ciphersuites usingSSLSetEnabledCiphers() are not affected and will still use DHE_RSA ciphersuites if explicetely enabled.

Siri

Fixed in Beta 5

  • Siri cannot change Settings options.

  • Siri Eyes Free may not work.

  • You are unable to create, view, or edit notes using Siri.

Spotlight

Fixed in Beta 5

After upgrading to this beta, some contacts are not searchable in Spotlight.

UIKit

Notes

  • If initialized with a nil nibName value, UIViewController.nibName has always looked for a nib with a similar name as the view controller’s class, and defaulted to that value if loadView is not overridden.

    Prior to iOS 9, subclasses of UIViewController that were written in Swift would require that their corresponding nib file name include the module prefix.

    To improve flexibility in the event of refactoring, you can omit the module name from the nib file name in code that runs in iOS 9 beta 4 and later. UIViewController.nibName still prefers a name that contains the module prefix, but falls back to an unqualified name if a nib with the fully-qualified name is not found.

  • In iOS 9, when layoutIfNeeded is sent to a view and all of the following conditions are satisfied (which is not common), we apply fitting-size constraints (width/height = 0 at UILayoutPriorityFittingSizeLevel) instead of required size constraints (width/height required to match current size):

    1. The receiver is not yet in the subtree of a view that hosts a layout engine, such as window, view controller view (unless you have set translatesAutoresizingMaskIntoConstraints to NO on that view—or created constraints that have one item in its subtree and one item outside it), table view cell content view, and so on.

    2. The final ancestor (that is, top-level view) of the receiver has translatesAutoresizingMaskIntoConstraints set to NO.

    3. The top-level view has a subview that is not a UIViewController-owned layout guide that also has translatesAutoresizingMaskIntoConstraints set to NO.

    Under condition 1, we create a temporary layout engine from the top-level view and add all the constraints from the subtree to it. The problem is that we need to add some constraints that make the size of the top-level view unambiguous in the layout engine. The old behavior (prior to iOS 9) was that we would add constraints to restrict the size of the top-level view to its current bounds for any situation under condition 1. This really doesn’t make sense when you add conditions 2 and 3 and can result in unsatisfiable-constraints logging and broken layout.

    So in iOS 9, for this special case only, we use fitting-size constraints instead.

    This means that if you are sending layoutIfNeeded to a view under these conditions in iOS 9, you must be sure that either you have sufficient constraints to establish a size for the top-level view (which usually, though not always, is the receiver) or you must add temporary size constraints to the top-level view of layout size you desire before sending layoutIfNeeded, and remove them afterward.

  • For apps linked on iOS 9 or later, UITextView will now always correctly constrict its NSTextContainer to the fit inside the view when scrolling is disabled. Overflowing lines that lie outside of an NSTextContainer, even partially, are not rendered.

    In previous iOS releases, the NSTextContainer sometimes was not constricted in size. This meant that logically overflowing lines were erroneously rendered. If you are seeing previously rendered lines at the end of your text view no longer rendered after linking your app against iOS 9, this behavior change is the likely cause. You can remedy this by making your UITextView larger, or perhaps by adjusting the bottom value of the text view's textContainerInset property.

  • There is a redesigned UI for printing that includes a print preview (presented from UIPrintInteractionController or UIActivityViewController). For apps that provide printing items or use only built-in UIPrintFormatter objects (such asUISimpleTextPrintFormatterUIMarkupTextPrintFormatterUIWebViewPrintFormatter, or the UIViewPrintFormatter of any system-provided view), nothing additional is needed for the print preview to display.

    Apps that subclass UIPrintPageRenderer or UIPrintFormatter to draw content for printing must be built with the iOS 9 SDK for the preview to display. The behavior of UIPrintPageRenderer has been updated to call drawPageAtIndex:inRect:multiple times with potentially different page sizes and margins. Various methods on UIPrintPageRenderer may be called from a non-main thread, but never from multiple threads concurrently.

  • UIPickerView and UIDatePicker are now resizable and adaptive—previously, these views would enforce a default size even if you attempted to resize them. These views also now default to a width of 320 points on all devices, instead of to the device width on iPhone.

    Interfaces that rely on the old enforcement of the default size will likely look wrong when compiled for iOS 9. Any problems encountered can be resolved by fully constraining or sizing picker views to the desired size instead of relying on implicit behavior.

Known Issues

  • Instances of UIViewController classes that are defined in the UIKit library and are created with a nil nibBundle attempt to find their nib inside the UIKit framework instead of the app's main bundle.

    Workaround: Pass [NSBundle mainBundle] for the nibBundle argument instead of nil.

  • Apps linked to versions of iOS earlier than iOS 8 may display incorrectly. Symptoms include cropping and displaying only in a small section of the screen.

Volume Purchase Program

Fixed in Beta 5

Apps that are distributed through VPP and are licensed to a device won't launch.

Watch App

Known Issue

Pairing iOS 9 beta 3 or 4 with watchOS 2 beta 1 or 2 requires you to sign out of your AppleID in Messages prior to pairing and to skip iCloud sign-in during pairing. Pairing with watchOS 2 beta 3 and watchOS 1 is not impacted.

Webkit

Note

The if-domain and unless-domain value strings only match the exact domain. To match the domain and any subdomains, begin the string with the asterisk character (*).



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What’s New in Xcode

Xcode is the complete developer toolset used to create apps for iPad, iPhone, and Mac. The Xcode development environment bundles the Instruments analysis tool, iOS Simulator, and the OS frameworks in the form of iOS SDKs and OS X SDKs.

Highlights for Xcode 6 Beta

Xcode 6 Beta is the latest release of Apple’s integrated development environment. Xcode 6 Beta introduces new ways to design and build software, focusing on features and enhancements to improve your ability to adopt and expand upon core platform features, to design new interfaces, and to deliver high-quality applications.

Xcode 6 Beta includes Swift, an innovative new programming language, with a new interactive work area—a playground in which to experiment. Xcode 6 Beta also expands upon and extends its basic features with new live visualization capabilities.

Xcode 6 Beta includes the following highlighted features:

Swift Language

  • Advanced, innovative new object-oriented programming language for iOS and OS X development

    ../art/xc-swift-frontispiece_2x.png

Xcode 6 Features for Swift

  • Full support with playgrounds, a rich documentation experience, read-eval-print loop, and other advanced features

    See more details in Swift Language.

Additional Feature Enhancements for Xcode 6 IDE

Testing

  • Testing capabilities for performance measurement

  • Ability to test asynchronous code with enhanced XCTest

    See more details in Testing.

Interface Builder

  • Extensive new features that support live rendering, storyboards for OS X, versatile size classes, and custom iOS fonts

    See more details in Interface Builder.

Debugger

  • New view debugger, enhanced queue debugging, and new debug gauges

    See more details in Debugging.

Sprite Kit

  • Enhanced game development with new level designer and improved debugging

  • Support for Sprite Kit and Scene Kit to work together on iOS

    See more details in Sprite Kit.

Extensions and Frameworks

  • Ability to add extensions to any app increasing functionality

  • Ability to create dynamic frameworks for iOS

    See more details in Extensions and Frameworks.

iOS Simulator

  • New iOS Simulator configurations that allow saving data and settings for reuse

    See more details in iOS Simulator.

Localization

  • XLIFF format support for strings localization

  • Automatic base language .strings generation

  • New Interface Builder assistant preview of alternative language UI

  • Ability to run apps as they appear in other locales

    See more details in Localization.

Compiler

  • Profile Guided Optimization (PGO)

  • User-defined modules

    See more details in Compiler.

Instruments

  • Updated user interface with new template chooser and track view

  • App extension profiling support

  • Profile tests to discover regression causes

    See more details in Instruments.

Xcode Server

  • More complex integration scenarios with triggers

  • Support for performance testing integrations

  • Greater control over bot configuration and execution; bot-level statistics

    See more details in Xcode Server.

Home Kit Accessory Simulator

For additional details on the Xcode 6 Beta release, see the seed release notes:http://developer.apple.com/xcode/releasenotes/prerelease/ios/index.html

Compatibility

Xcode 6 Beta requires a Mac running OS X v10.9.3 (or later) or OS X v10.10. It includes SDKs for OS X v10.9, OS X v10.10, and iOS v8.0. To develop apps targeting prior versions of OS X or iOS, see About SDKs and the iOS Simulator.

Installation

Xcode 6 Beta can coexist on a Mac computer with previous versions of Xcode.

This prerelease version of Xcode is distributed as a single application bundle available from developer.apple.com to authorized seed developers in a disk image file (DMG). To install during the beta period, open the downloaded DMG file and drag the Xcode icon to your Applications folder. Upon final release, Xcode is installed through the Mac App Store.

Developer Resources

The iOS and Mac developer programs provide access to the App Store, additional support and documentation, and provisioning resources to enable testing and deployment on an iPad, iPhone, or iPod touch device. For more information visit:

For discussions about any Apple developer software, including prerelease products, visit the Apple Developer Forums at http://devforums.apple.com/.

For the latest security information, visit http://support.apple.com/kb/HT1222.

For more detailed information on a release, see the complete Xcode release notes available from the Xcode Help menu.

About SDKs and iOS Simulator

A software development kit (SDK) is a collection of frameworks (libraries, headers, and resources) that represent the API for a specific iOS or OS X version. Most of the functionality your app gets from an SDK is actually provided by the host operating system, which makes the right Base SDK and OS Deployment Target settings critical for app compatibility. Xcode automatically builds with the latest SDK and targets the latest OS.

If your app doesn’t require the latest OS features, you can configure it to run on a previous version of iOS or OS X using the OS Deployment Target option in the Xcode Project settings. If your project was created in an older version of Xcode, you can let Xcode update your project. For details on this features, see Project Modernization.

For iOS, Xcode automatically switches between the iOS Simulator SDK and the device SDK, depending on where you intend to run your app. You don’t need to select these settings manually.

Project Modernization

When you open a project, Xcode evaluates it to see whether any settings should be updated. This feature provides an easy way to make sure your projects conform to the latest SDKs and best practices.

Open the issue navigator to see whether anything in your project needs to be updated. You can also select the project in the project navigator and choose Editor > Validate Settings.

If the issue navigator lists modernization issues, click the issue to see a dialog, which explains the updates that should be made and lets you perform any or all of them.

After you have clicked Perform Changes, regardless of whether you choose to make all the changes, Xcode does not show the warning again. To rerun the check, select your project in the project navigator and choose Editor > Validate Settings.

New Features in Xcode by Release

Chapter articles are listed by major revision. Minor update release information is appended in the chapter for the major revision.

Xcode 6 Beta adds support for development on OS X v10.10 and iOS 8.0.

Relevant Chapter: New Features in Xcode 6 Beta

Xcode 5.1 adds support for development on iOS 7.1.

Relevant Chapter: New Features in Xcode 5.1

Xcode 5 adds support for development on iOS 7.0 and OS X v10.9.

Relevant Chapter: New Features in Xcode 5

Xcode 4.6 adds support for development on iOS 6.1.

Relevant Chapter: New Features in Xcode 4.6

Xcode 4.5 adds support for development on iOS 6.0.

Relevant Chapter: New Features in Xcode 4.5

Xcode 4.4 adds support for new Objective-C language features and supports development on OS X v10.8.

Relevant Chapter: New Features in Xcode 4.4

Xcode 4.3 adds enhancements to Xcode installation, improves operations and workflow, and support development for iOS 5.0.

Relevant Chapter: New Features in Xcode 4.3

Xcode 4.2 adds enhancements to the features and workflow of Xcode 4.1 to support development for iOS 5.0.

Relevant Chapter: New Features in Xcode 4.2

Xcode 4.1 adds enhancements to the features and workflow of Xcode 4.0 and, when running on OS X v10.7, implements user interface features standard in OS X v10.7 such as full-screen windows.

Relevant Chapter: New Features in Xcode 4.1

See Also

To learn more about Xcode, see Xcode Overview.

To learn more about the tasks and workflow required to develop and distribute OS X and iOS apps, see App Distribution Guide.



-------------------------------------------------------------------------------------

Xcode 6 베타 릴리즈 노트


xcode_6_beta_5_release_notes.pdf


iOS SDK Release Notes for iOS 8.0 Beta 5

Contents:

Introduction

iOS SDK 8.0 provides support for developing iOS apps. It is packaged with a complete set of Xcode tools, compilers, and frameworks for creating apps for iOS and OS X. These tools include the Xcode IDE and the Instruments analysis tool, among many others.

With this software you can develop apps for iPhone, iPad, or iPod touch running iOS 8. You can also test your apps using the included iOS Simulator, which supports iOS 8. iOS SDK 8.0 requires a Mac computer running OS X v10.9.3 (Mavericks) or later.

This version of iOS is intended for installation only on devices registered with the Apple Developer Program. Attempting to install this version of iOS in an unauthorized manner could put your device in an unusable state.

For more information and additional support resources, visit http://developer.apple.com/programs/ios/.

Bug Reporting

For issues not mentioned in the Notes and Known Issues section, please file bugs through the Apple Developer website (https://developer.apple.com/bug-reporting/ios/). Additionally, you may discuss these issues and iOS SDK 8.0 in the Apple Developer Forums: http://devforums.apple.com. To get more information about iCloud for Developers, go to http://developer.apple.com/icloud.

Notes and Known Issues

The following issues relate to using iOS SDK 8.0 to develop code.

AVCapture

Fixed in beta 5

Known Issue

Use of the new constant, AVCaptureISOCurrent, will result in inconsistent ISO values (as observed on the ISO property) if setExposureModeCustomWithDuration:ISO:completionHandler: is called repeatedly.

    Backup and Restore

    Fixed in beta 5

    A restoration of an iCloud backup onto the same device the backup was taken from may not work properly. As a result, some apps may crash.

    Known Issues

    • Encrypted backups to iTunes fail.

    • iOS 7 iCloud backups restored to an iOS 8 beta device may not properly restore photos.

    CarPlay

    Fixed in beta 5

    The Now Playing screen is missing the Back button in the top-left corner.

    CloudKit

    Fixed in beta 5

    Clients sending multiple simultaneous record update requests to the same zone in the private database may encounter CKErrorZoneBusy errors.

    Workaround: Clients should send update requests for a given zone one at a time. In addition, they should handle CKErrorZoneBusy errors by retrying with an exponential backoff.

    Contacts

    Note

    The Address Book UI people picker has been changed for iOS 8. A new mode with new API has been added where the app does not need access to the user’s contacts and the user will not be prompted for access. A temporary copy of the selected person is returned to the app. See ABPeoplePickerNavigationController.h for more details.

    As of iOS 8 beta 2, you must use the new mode. The old mode has been deprecated.

    See the new PeoplePicker: Picking a Person or Property sample project demonstrating usage of the new mode.

    Document Providers

    Notes

    • Your app needs the iCloud entitlement to be able to be used as a document provider.

    • The com.apple.developer.icloud-container-identifiers entitlement will be required when iOS 8 is released.

    Fixed in beta 5

    • App icons in the document picker do not show up on iPhone and iPad.

    • Document providers may hang when importing files.

    Known Issues

    • After rotating document picker to landscape, the status bar is hidden.

    • Upon bringing up document picker in landscape, the containing view may be shifted beneath the navigation bar.

    • On iPhone, bringing up DocMenu from Locations in DocPicker, overlaps with status bar.

    Extensions

    Known Issues

    • Extensions need an arm64 slice to run on 64-bit devices. If you try to run the armv7 slice on a 64-bit device it won’t work.

    • Apps need to have an arm64 slice if the bundle contains a framework that both the app and the app extension link against.

    Fixed in beta 5

    • Keyboard extensions can now be profiled with Instruments.

    • Extensions now more reliably support control of location access.

    • After redeploying an app, the Today view extension may not be launched, and sometimes its bundle display name becomes the name of the app.

    FaceTime

    Fixed in beta 5

    FaceTime does not work properly in landscape orientation.

    Family Sharing

    Known Issues

    • Shared purchase history pages on Mac App Store and iOS App Store are disabled.

    • Items already owned by family members must be re-downloaded from the Purchased page (not Store pages) to get them free of additional charge.

    File System

    Note

    The file system layout of app containers has changed on disk. Rather than relying on hard-coded directory structure, use the NSSearchPathForDirectoriesInDomains function or the URLForDirectory:inDomain:appropriateForURL:create:error: method of the NSFileManager class. See Accessing Files and Directories in File System Programming Guide.

    Find My Friends

    Note

    Now that the Share My Location feature is integrated into Messages, Find My Friends only supports the Apple ID configured in Settings > iCloud.

    Fonts

    Note

    The Thai system font has increased in size to improve readability. This will cause clipping in many places in your UI if you don’t take appropriate action:

    1. Use UILabel as much as possible. If you use Interface Builder, make sure that Clip Subviews is not checked. UIKit will grow the clipping region as necessary to not clip text.

    2. Use Dynamic Type. This will ensure that you do not have overlapping glyphs in multiline labels or text fields.

    If you can’t do 1 and 2 because you implement your own views, you must implement measures not to clip. You can use CoreText to figure out the appropriate clipping region for a line of text by calling:

    • CTLineGetBoundsWithOptions(lineRef, kCTLineBoundsIncludeLanguageExtents);

    To avoid overlapping glyphs in multiline text elements, adjust the line height. An additional 30% is recommended.

    This measure will also help your app perform better in other languages, including Arabic, Hindi, and Vietnamese.

    Handoff

    Note

    Handoff is incompatible between devices using this beta and the prior beta. You should test Handoff with the most recent beta software because it is not backward-compatible with previous betas.

    HealthKit

    Notes

    • Spirometry data types are now available in HealthKit.

    • Any blood type that was set in Medical ID prior to beta 3 will be cleared.

    • The pairing UI for BTLE health devices has been removed from HealthKit and is now available in Settings > Bluetooth.

    • The HKWorkout API is now available to store workouts.

    • HKQuantityTypeIdentifierGalvanicSkinResponse has been renamed HKQuantityTypeIdentifierElectrodermalActivity.

    • The following HKObjectType identifiers have been removed:

      • HKQuantityTypeIdentifierRRInterval

      • HKQuantityTypeIdentifierHeatFlux

      • HKCorrelationTypeIdentifierHeartRateReading

    HomeKit

    Note

    • After upgrading to beta 5, you need to reset your home configuration in Settings > Privacy > HomeKit > Reset Home Configuration.

    • You must sign into iCloud and enable Keychain sync to use HomeKit with this seed.

    Known Issue

    Siri may not immediately recognize HomeKit data changes.

    Workaround: To trigger an update to Siri, edit other data used by Siri such as a contact or the name of a Reminders list.

    iAd

    Fixed in beta 5

    iAd videos may not play in NPR HLS station.

    iCloud Drive

    Notes

    • iCloud Documents & Data created with iOS 8 Beta will be deleted from the servers at some point during this beta period. Information downloaded and not evicted from the device will remain on device and will re-sync after the data wipe occurs.

    • Document storage containers created using the UIDocument class in iOS 7 are not yet available for use with iCloud Documents through Xcode 6 beta or in the Certificates, Identifiers & Profiles section of Member Center. These containers will be migrated later and associated with your existing App IDs.

    • URLForUbiquityContainerIdentifier: might return nil when running your application in Xcode. If so, open System Preferences, navigate to iCloud > iCloud Drive, and enable Xcode.

    • Migrating to iCloud Drive will disable Documents & Data syncing for your iCloud account on iOS 7 and earlier devices, as well as OS X Mavericks and earlier Macs.

    iCloud Keychain

    Fixed in beta 5

    • Initial sync does not work if the approving device is locked when the approval occurs.

    • Using the recovery option can leave you in a state where new items added to the keychain do not sync.

    Known Issue

    Upon logging into a device with the iCloud 8 beta, other devices in your keychain circle may have their access to the circle revoked.

    Workaround: Enable iCloud Keychain Sync on your other devices again.

    iTunes Sync

    Known Issue

    Apps do not sync from a device to iTunes.

    Keyboards

    Fixed in beta 5

    • If you turn off predictive text in one app and then turn it back on in another, it may not actually be reactivated.

    • Caps Lock may be unexpectedly enabled in text input fields.

    Localization

    Fixed in beta 5

    The following have English strings that are now properly localized in other languages:

    • VoiceOverTouch

    • Sharing

    • ManagedConfiguration

    • AirPortAssistant

    • MapKit

    • SpringboardUIServices

    • AccessibilityBundles

    • Music

    Maps

    Known Issue

    When viewed in the Simulator, the "Hybrid" view in Maps and MapKit apps does not show all of the tiles.

    Metal and OpenGL

    Fixed in beta 5

    Shadow samplers are broken when using linear filtering.

    Workaround: For OpenGL, set GL_TEXTURE_MIN_FILTER and GL_TEXTURE_MAG_FILTER to GL_NEAREST. For Metal, set the mag_filter and min_filter sampler properties to nearest in the shader source.

    Music

    Fixed in beta 5

    The Music app may stop responding when downloading an album.

    Notification Center

    Note

    The schedule and intended use of widgetPerformUpdateWithCompletionHandler: is intended as a convenient home for all data/model update logic. If implemented, the system will call at opportune times for the widget to update its state, both when Notification Center is visible, as well as in the background. An implementation is required to enable background updates. It’s expected that the widget will perform the work to update asynchronously and off the main thread as much as possible. Widgets should call the argument block when the work is complete, passing the appropriate NCUpdateResult. Widgets should NOT block returning from viewWillAppear: on the results of this operation. Instead, widgets should load cached state in viewWillAppear: in order to match the state of the view from the last viewWillDisappear:, then transition smoothly to the new data when it arrives.

    NSURLSession

    Note

    Beginning in iOS 8 beta 2, the NSURLSessionTask class provides a new “priority” property with three associated constants: NSURLSessionTaskPriorityDefaultNSURLSessionTaskPriorityLow, and NSURLSessionTaskPriorityHighNSURLSessionTask priorities can be used to specify how multiple requests and responses to the same host should be prioritized. Note that the priority is a hint and not a strict guarantee of NSURLSessionTask performance.

    For complete usage details of NSURLSessionTask priorities, refer to the NSURLSession.h header file, which is provided by the Foundation framework.

    Phone

    Note

    To activate Wi-Fi Calling functionality for T-Mobile (U.S. only), follow these steps:

    • Go to Settings > Phone > Wi-Fi Calling.

    • Toggle the Wi-Fi Calling switch to ON.

    • If the carrier does not have the user’s registered emergency address, you will be asked to add it before the feature is activated.

    Photos

    Notes

    • iCloud Photo Library requires beta 3 or later.

    • Back up your photo libraries before enabling iCloud Photo Library by:

      • Importing to your Mac using iPhoto

      • Importing to your Mac using Image Capture

    • Enabling iCloud Photo Library will not add photos/videos that have been synced with iTunes to the cloud.

    • iPhoto for iOS will not launch on iOS 8 Beta. Launching Photos.app will migrate your iPhoto edits to the iOS 8 Photo Library. Make sure your iPhoto for iOS data is included in your device backup.

    Known Issues

    • The ability to automatically optimize device space is not enabled in this beta.

    • When using iCloud Family, both iCloud Photos and My Photostream are enabled.

    • After restore from iCloud backup, modified photos may show unmodified thumbnails.

    • If you reach your iCloud quota, there is no way to add or delete data within the Photos app.

    Quicklook

    Known Issue

    PDF files may not display in some applications.

    Safari

    Notes

    • Safari now blocks ads from automatically redirecting to the App Store without user interaction. If you still see the previous behavior, or find legitimate redirection to the App Store to be broken in some way, please file a bug.

    • You can now quickly add a site to Shared Links or save a bookmark by tapping and holding on the bookmarks button.

    Settings

    Known Issue

    Some icons are missing in Settings and only appear after the row is tapped.

    Setup

    Known Issue

    Updating the iCloud settings screen may appear to hang during setup.

    Workaround: Some accounts may have an extra long lag. Wait a couple of minutes and they should complete.

    Siri

    Known Issue

    Calling contacts with Siri is supported only on devices with the latest developer seed build. Prior developer seed builds no longer support this feature.

    Springboard

    Fixed in beta 5

    Some projects may launch in portrait when the destination device is in landscape.

    Workaround: Rotate the device to portrait and back to landscape to continue in landscape.

    Stores

    Known Issue

    Sometimes, loading certain pages or performing a search on the App Store or iTunes Store can be slow.

    UIKit

    Notes

    • UILabel has a default value of YES for clipsToBounds. This differs from the normal UIView default of NO.

    • leftLayoutGuide and rightLayoutGuide API have been removed. Please use the layoutMargins property instead.

    Fixed in beta 5

    When the width of a multiline label changes due to changes in the layoutMargins of some view, the intrinsic content size of the label is not invalidated when it should be. As a result the layout can unexpectedly truncate the label (or text view).

    Workaround: The view whose layoutMargins are changing should override layoutMarginsDidChange and send invalidateIntrinsicContentSize to the label.

    Known Issue

    To use an action sheet-style UIAlertController on iPad, the sourceView of the alert controller's popoverPresentationController must be set.

    Wi-Fi Calling (T-Mobile US only)

    Note

    The carrier name in the status bar will show “T-Mobile Wi-Fi” when the device is able to make and receive Wi-Fi Calls.

    WebKit

    Notes

    • Subpixel rendering is now on by default for all web content. Websites or in-app web views with extremely tight design constraints may render differently. Solutions for each issue will vary, but use Web Inspector to adjust position, border thickness, and width or height of elements.

    • In iOS 8.0 beta 2 and later, CSS object model getters (offset{Left|Top|Width|Height} and client{Left|Top|Width|Height}) return fractional double values based on subpixel metrics instead of rounded integral values.

    • The minimal-ui viewport property is no longer supported in iOS 8.

    Known Issue

    The window.outerWidth and window.outerHeight DOM properties always return 0. Other DOM properties will need to be used instead. This may affect websites that use leaf.js.


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