The next update to iOS 7 was theoretically was slated for early next week going by Apple's usual schedule, but it seems Apple has pushed Beta 6 to developers a little early. The company notes the small patch corrects an "issue with iTunes in the Cloud, where some purchases may download or play unexpected items."
The file is only 13.5 MB, and it's rare for Apple to seed beta updates to devs on a Thursday evening (especially considering Beta 5 was just released last week), so it seems the bug was important enough to fix fairly quickly. The build number is 11A4449d, and it's available as an over-the-air update to any developer running iOS 7 Beta 5.
Update: Here's the changelog:
IntroductioniOS SDK 7.0 provides support for developing iOS apps, and it includes the 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 7. You can also test your apps using the included iOS Simulator, which supports iOS 7. iOS SDK 7.0 requires a Mac computer running OS X v10.8.4 (Mountain Lion) 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 https://developer.apple.com/programs/ios/.
Bug Reporting To report any bugs not mentioned in the Notes and Known Issues section, use the Apple Bug Reporter on the Apple Developer website (https://developer.apple.com/bugreporter/). Additionally, you may discuss these issues and iOS SDK 7.0 in the Apple Developer Forums: http://devforums.apple.com. To get more information about iCloud for Developers, go to https://developer.apple.com/icloud.
Important Information about Music and Video Libraries This update addresses an issue with iTunes in the Cloud, where some purchases may download or play unexpected items. If you have any devices running previous versions of iOS 7 beta, you should:
- Install iOS 7 beta 6.
- Install the ResetMusicAndVideosLibraries configuration profile from the iOS Dev Center.
- From Settings > Music, tap the Reset Media Library button.
- Restart the device.
Notes and Known IssuesThe following issues relate to using iOS SDK 7.0 to develop code.
Address Book Notes
- The classes in the
AddressBookUI
framework now explicitly disallow subclassing. For apps linked against the iOS 7 SDK, attempting to initialize a subclass of one of these classes returns nil. For apps linked against older SDKs, the only behavior change is a warning logged to the console.- As of Seed 4, privacy support for the
AddressBookUI
framework is reenabled for apps linked against the iOS 7 SDK. Apps linked against older SDKs are not changed. If your app uses any of the Address Book view controllers, you should verify that it still behaves as expected.AirDrop Notes
- AirDrop in iOS 7 Seed 2 or later is not compatible with AirDrop in iOS 7 Seed 1.
- Contacts Only support requires that:
- You are logged in to iCloud.
- The sender and receiver have each other's Apple ID email addresses in Contacts on their devices.
AV Foundation Notes
AVCaptureSession
now uses your app'sAVAudioSession
by default.Core Animation Notes When the
UIViewGroupOpacity
key is not present, the default value is now YES. The default was previously NO.This means that subviews of a transparent view will first be composited onto that transparent view, then the precomposited subtree will be drawn as a whole onto the background. A NO setting results in less expensive, but also less accurate, compositing: each view in the transparent subtree is composited onto what's underneath it, according to the parent's opacity, in the normal painter's algorithm order.
Exchange Notes In Seed 4 and later, the Exchange DeviceIdentifier has been changed back to the behavior of iOS 6 where it uses the serial number.
Fonts Notes New font line heights were introduced in Seed 4. If you had manually aligned your font in earlier seeds, it may move slightly up vertically in later seeds.
Foundation
iCloud Notes
- If you use iCloud Keychain with recovery, you may see a dialog indicating recovery has been disabled due to a server change. This is intentional. To reenable functionality, follow the instructions in the notification. If you see multiple alerts or observe issues with reenabling recovery, please file a bug report.
- iCloud Keychain in iOS 7 Seed 3 or later is not backward compatible with iOS 7 Seed 2 or OS X Mavericks Seed 2.If you had iCloud Keychain and/or Keychain Restore enabled from iOS 7 Seed 2, both features are disabled upon updating to iOS 7 Seed 3 or later.After updating to iOS 7 Seed 3 or later, go to Settings > iCloud > Keychain and reenable iCloud Keychain on your devices.
See OS X v10.9 Release Notes for more details.
- Activation Lock, a new feature of Find My iPhone, is turned on automatically when Find My iPhone is enabled on any device running iOS 7. Activation Lock requires users to enter their Apple ID and password to turn off Find My iPhone, sign out of iCloud, erase the device, or reactivate the device after an erase. It's important to do one of the following before transferring a device to a new user:
- Sign out of iCloud.
- Turn off Activation Lock in Settings > iCloud > Find My iPhone.
Known Issues Password fields are not displayed in alert views for apps in landscape (for example, Game Center authentication or In-App Purchase). Text entry still works, though you can't see what you are typing.
MapKit Notes If the calls to
renderInContext
on the layer backing anMKMapView
are made off the main thread, they should be eliminated or moved to the main thread. Failure to do so can cause an app crash. Instead of usingrenderInContext
, use the newMKMapSnapshotter
APIs.Media Notes iOS now remembers the last used media app across reboot and app crashes. Media apps that can receive remote control events should be prepared to be launched in the background and potentially receive a remote control event to begin playback. Additionally, it's important that media apps monitor and handle the media server reset event, since the media app may receive a remote request to resume playback after a reset. Notifications to monitor these media server events are available in
AVAudioSession
and proper handling is described in General recommendations for handling kAudioSessionProperty_ServerDied.Multipeer Connectivity Notes The
MCSession
APIs function as they were presented at WWDC. Major changes and enhancements include:
- The following new method on
MCSession
has been implemented:
- –
(NSOutputStream *)startStreamWithName:(NSString *)streamName toPeer:(MCPeerID *)peerID error:(NSError **)error
This delegate method has been implemented:
- –
(void)session:(MCSession *)session didReceiveStream:(NSInputStream *)stream withName:(NSString *)streamName fromPeer:(MCPeerID *)peerID
- The following new method on
MCSession
has been implemented:
- –
(NSProgress *)sendResourceAtURL:(NSURL *)resourceURL withName:(NSString *)resourceName toPeer:(MCPeerID *)peerID withCompletionHandler:(void(^)(NSError *error))completionHandler
The delegate method to start receiving a resource from remote peer has been implemented as:
- –
(void)session:(MCSession *)session didStartReceivingResourceWithName:(NSString *)resourceName fromPeer:(MCPeerID *)peerID withProgress:(NSProgress *)progress
The delegate method to finish receiving a resource from remote peer and save the content in a temporary location is implemented as:
- –
(void)session:(MCSession *)session didFinishReceivingResourceWithName:(NSString *)resourceName fromPeer:(MCPeerID *)peerID atURL:(NSURL *)localURL withError:(NSError *)error
MCAdvertiserAssistant
is a convenience class for implementing an Advertiser, which handles invitations and connections to anMCSession
.MCSession
has a newinitWithPeer:
method.sendResource
has added "with" to thecompletionHandler
.- The timeout has been removed from
connectPeer:withNearbyConnectionData
.For more information on these APIs, watch the video for WWDC 2013 Session 708, "Nearby Networking with Multipeer Connectivity."
Multitasking Notes
AVAudioSession
can no longer become active by apps in the background that wake due to Background Fetch, Background Transfers, and Remote Notification events.- The policy for the task completion API has changed back to match the iOS 6 behavior, but the time limit for task completion has decreased from 10 minutes in iOS 6.
Networking Notes
- The cellular fallback technology present in previous seeds has been removed as of Seed 5.
- Two low-level networking APIs that used to return a MAC address now return the fixed value 02:00:00:00:00:00. The APIs in question are
sysctl (NET_RT_IFLIST)
andioctl (SIOCGIFCONF)
. Developers using the value of the MAC address should migrate to identifiers such as-[UIDevice identifierForVendor]
. This change affects all apps running on iOS 7.Objective-C Runtime Notes Due to changes in how the
isa
field is implemented,*self
may change during enumeration (for example, if the container is retained).Workaround: When implementing
countByEnumeratingWithState
, do not setstate->mutationsPtr = self
.Passbook Notes
- As of iOS 7 Seed 4, Passbook has added support for the major and minor fields to better match the rest of the iBeacon ecosystem. The new
major
andminor
keys are independently variable optional alongsideproximityUUID
(required) in each dictionary in thebeacons
array.- In previous versions of the iOS SDK, Passbook did not validate the back fields on passes completely. The validation rules have not changed, but validation is now including back fields. Please check the console log for additional logs.
- As of iOS 7 Seed 3,
PKPassLibraryDidCancelAddPasses
is a new status code in thePKPassLibraryAddPassesStatus
enum. It signifies that the user tapped Cancel in an add-passes alert.Photos Notes Upon upgrading from an earlier seed, photo thumbnails in the Photos app will not appear for a short while.
Security Notes
-[UIDevice uniqueIdentifier]
is no longer accepted in submissions to the App Store. In iOS 7, apps that are already on the store or on users' devices that call this removed API will no longer be returned the UDID. Instead,-[UIDevice uniqueIdentifier]
will return a 40-character string starting with FFFFFFFF, followed by the hex value of-[UIDevice identifierForVendor]
. It is important to consider how this will affect existing apps. Consider submitting updates that no longer access the UDID.- iOS now requests user consent for apps to use audio input on all iOS 7 devices. For devices sold in China, iOS will also request user consent for apps to use the camera hardware. The operating system will present the consent alert when you set the category of the instantiated
AVAudioSession
. TheAVAudioSession
categories that will present the alert areAVAudioSessionCategoryRecord
andAVAudioSessionCategoryPlayAndRecord
.If the user doesn't allow access, the audio session data will be all zeros (silence). For devices where camera access is requested and denied by the user, the video capture session is a black screen.- The API
gethostuuid()
has been removed and will not be accepted for submission to the store, regardless of the targeted OS. For existing apps running on iOS 7, the function will return a uuid_t representation of the vendor identifier (-[UIDevice identifierForVendor]
).Siri Notes This seed includes development versions of new male and female Siri voices for U.S. English, French, and German.
Social Notes
- Through iOS 6, when using
TWTweetComposeViewController
andSLComposeViewController
(the latter only for Twitter and Weibo, but not Facebook), if the caller supplies acompletionHandler
, the suppliedcompletionHandler
is responsible for dismissing the view controller. As of iOS 7, if the app links against the iOS 7 SDK, the view controller will dismiss itself even if the caller supplies acompletionHandler
. To avoid this, the caller'scompletionHandler
should not dismiss the view controller.- When using the iOS 6.1 SDK on OS X v10.8 Mountain Lion, if you use the iOS 5.0 or iOS 5.1 Legacy SDK in iOS Simulator, you will not be able to use Twitter features: attempting to sign in to Twitter via the Settings pane will fail, and
Twitter.framework
will not work correctly. If you need to test Twitter features, you will need to choose either an iOS 6.1 or iOS 6.0 Simulator run destination, or you can test with iOS 5.x on a device.Springboard Notes
- Active touches are no longer canceled when the user takes a screenshot.
- Dynamic wallpaper is not available on iPhone 4.
Sprite Kit Notes
+[AVPlayer playerWithPlayerItem:]
returns anAVPlayer
object, but the current item will return nil if the player was created on another thread.Stores Known Issues App downloads can get stuck in the "Waiting" state.
Workaround: Reboot your device once or twice to resolve the issue and allow subsequent downloads to continue.
UIKit Notes
- Before Seed 4, the snapshot API (
snapshotView
andresizableSnapshotViewFromRect:withCapInsets:
) would defer taking the snapshot if the view had never been committed or had been added to the view hierarchy in the current transaction. This behavior has changed.Snapshots now always represent the current, committed state of the view. Attempting to snapshot a view that has never been committed logs a message and now returns nil.- Snapshotting methods have been updated and now take an argument:
afterUpdates
. When set to YES, this instructs the snapshot to wait until all pending changes to the hierarchy have been committed. To maintain the pre-Seed 4 behavior, pass NO and the snapshot will capture what is currently on screen. SeeUIView.h
for more details.- When there isn't enough room in the navigation bar layout for the full text of the back button title, the navigation bar will substitute a generic short back title (in English, "Back"). If even that string is too long, the bar will show the back indicator chevron with no title.
+[UIPasteboard pasteboardWithName:create:]
and+[UIPasteboard pasteboardWithUniqueName]
now unique the given name to allow only those apps in the same application group to access the pasteboard. If the developer attempts to create a pasteboard with a name that already exists and they are not part of the same app suite, they will get their own unique and private pasteboard. Note that this does not affect the system provided pasteboards, general, and find.- Starting with Seed 2, apps default to using the new view controller-based status bar management system. To opt out of this, add a value of NO for the
UIViewControllerBasedStatusBarAppearance
key to your Info.plist.- When using Auto Layout to position a
UIButton
, if you set the content compression resistance or content hugging priority to minimum, the button will have ambiguous layout.Workaround: Don't use a content compression resistance or content hugging priority of less than 2 forUIButton
.UIScreenEdgePanGestureRecognizer
allows you to perform actions in response to swipes over the edge of the screen using the same heuristics that the system uses for its own gestures. Use this if you have a navigation semantic of your own that doesn't useUINavigationController
but should include this gesture (e.g., Safari).This gesture recognizer has a property that describes the edges on which it's active.UIRectEdge
is a new enum type that this property and-[UIViewController edgesForExtendedLayout]
can share.UIRectEdge
replacesUIExtendedEdge
, which will be removed. The members of both have the same values. Use Xcode to replace all instances of "UIExtendedEdge" in your project with "UIRectEdge".UIButtonTypeInfoLight
,UIButtonTypeInfoDark
, andUIButtonTypeDetailDisclosure
buttons all look the same.- Blurred layers are not available on iPhone 4.
- Parallax is not available on iPhone 4.
- Letterpress text is not available on iPhone 4.
Known Issues Password fields are not displayed in alert views for apps in landscape (for example, Game Center authentication or In-App Purchase). Text entry still works, though you can't see what you are typing.
Weather Notes Weather conditions are not animated on iPhone 4.
WebKit Notes
- Previously, when the viewport parameters were modified, the old parameters were never discarded. This caused the viewport parameters to be additive.For example, if you started with width=device-width and then changed it to initial-scale=1.0, you ended up with a computed viewport of width=device-width, initial-scale=1.0.In iOS 7, this has been addressed. Now you end up with with a computed viewport of initial-scale=1.0.
- Previously, when using , the scale could be incorrect after rotation.Now, if a user has not scaled the page explicitly, the page is restored to its initial scale. Also, the current scale is now correctly restricted within the
min-scale
,max-scale
bounds.- Some images for Retina display devices appear at twice the size that they should instead of being scaled down 50%. This issue can also occur with any image to be scaled that is larger than its container and that uses either the
background-size
property or the-webkit-background-size
property. This issue affects both native apps that display web content and web pages viewed in Safari for iPhone.Thebackground
CSS shorthand property now resets the value of thebackground-size
property toauto
when background size is not specified. This new behavior is per the CSS spec, and the old behavior is available only for apps linked to an SDK prior to iOS 7.0 when running on iOS 7 or later.Workaround: Specify thebackground-size
property or the-webkit-background-size
property after thebackground
shorthand property in the CSS stylesheet for the web content being displayed.- Web apps and web clips created prior to Seed 4 will not stay in folders across reboot.Workaround: Delete the old web app or web clip and recreate it in this seed by loading the content in Safari, tapping the Action button, and then "Add to Home Screen."
Wi-Fi
NotesSeed 4 and later include changes to AWDL such that technologies that use it—such as AirDrop and the MultiPeerConnectivity APIs—will not work properly with older seeds.

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