Apple releases iOS 7.1 beta

Zach Epstein
Yet another flaw in iOS 7.1 lets anyone bypass lock screen security

iOS device users are still getting used to the new look and feel of the redesigned operating system and Apple is already preparing its next major release. Apple on Monday updated its iOS developer portal with its first iOS 7.1 beta. The release comes just four days after Apple updated the public version of its mobile software to iOS 7.0.4. The iOS 7.1 beta is available to developers beginning immediately for all compatible iOS devices including the iPhone 5s, iPhone 5c, iPhone 5, iPhone 4S, iPhone 4, iPad Air, third- and fourth-generation iPads, iPad 2, iPad mini with Retina display, iPad mini and the fifth-generation iPod touch. Apple has not yet updated its developer portal with release notes for the new iOS 7.1 beta.

UPDATE: A developer has supplied BGR with Apple’s full iOS 7.1 change log:

Notes and Known Issues

The following issues relate to using iOS SDK 7.1 to develop code.

Bluetooth

Known Issue

32-bit apps running on a 64-bit device cannot attach to BTServer.

CFNetwork

Fixed in iOS 7.1 beta

Previously, if the server-side closed an HTTP request with TCP FIN without sending any bytes of HTTP header or HTTP body, NSURLConnection would synthesize an empty HTTP/1.1 200 OK response. This is now fixed, and the request will result in an error instead of a successful load with a synthesized response.

Notes

A new compatibility behavior has been added to address an issue where some web servers would send the wrong Content-Length value for “Content-Encoding: gzip” content. Previously, NSURLConnection and NSURLSession would send a “network connection was lost” / NSURLErrorNetworkConnectionLost (-1005) error in this situation.

The compatibility behavior applies only if the Content-Length value exactly matches the expanded gzip’d content. It won’t apply for “off by 1” or similar miscounting.

Core Text

Fixed in iOS 7.1 beta

Previously, text drawn with CTFrameDraw did not correctly place lines to account for the paragraphSpacing attribute of NSParagraphStyle. This has been addressed in iOS 7.1 beta.

Crash Logs

Known Issue

Crash logs will not appear in Diagnostics & Usage Data in Settings. The logs will still be available when synced off the device.

GLKit

Fixed in iOS 7.1 beta

If loaded with GLKTextureLoader, pngcrush images that have alpha were not unpremultiplied.

High Precision Timers

Fixed in iOS 7.1 beta

When sleeping or waiting for extremely precise time intervals, timers were delayed by up to 1 millisecond.

iTunes

Known Issue

Loading an iTunes Match library (or your purchased music history) may take much longer than expected, especially on larger libraries. If your library does not sync right away, please wait 30 minutes and try to access it again.

Multipeer Connectivity

Fixed in iOS 7.1 beta

The MCSessioninitWithPeer: method has now been implemented properly.

For more information on MCSession APIs, watch WWDC 2013: Nearby Networking with Multipeer Connectivity.

UIKit

Known Issues

  • If a UITextField or a UILabel that is baseline aligned with constraints has attributes that change after the constraints have been added, the layout may be incorrect. The exception to this is -setFont: on UILabel, which should work as expected.

    Workaround: Avoid making changes in UITextField or UILabel after adding baseline-alignment constraints. If you must make changes, you should remove the constraints and then reapply them afterward. Note that this is a performance hit, so don’t do it unless it is necessary.

  • The backIndicatorTransitionMask from a storyboard or a xib will not be interpreted correctly at runtime.

    Workaround: Set the backIndicatorTransitionMask in code.

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This article was originally published on BGR.com

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