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Apple Seeds iOS 11.4 Beta 6 to Developers

Apple Seeds iOS 11.4 Beta 6 to Developers

Apple on Thursday seeded Beta 6 of iOS 11.4 to developers. The new seed comes just three short days following the fifth beta seed.

The new seed is available to registered developers as a download from Apple’s Developer Center, or over-the-air on iOS devices that have the proper configuration profile installed.

New in iOS 11.4

Messages in iCloud

iOS 11.4 beta includes Messages in iCloud for testing and evaluation purposes. Messages will prompt users to turn on Messages in iCloud on first launch after upgrading to iOS 11.4 beta. Please note that Messages in iCloud is automatically enabled for users who have two-factor authentication and iCloud Backup enabled.

Notes and Known Issues

Foundation

Known Issues

  • Clients of NSURLSessionStreamTask that use a non-secure connection fail to connect when an error occurs during PAC file evaluation and the system is configured for either Web Proxy Auto Discovery (WPAD) or Proxy Automatic Configuration (PAC). A PAC evaluation failure can occur when the PAC file contains invalid JavaScript or the HTTP host serving the PAC file is unreachable. (33609198)Workaround: Use startSecureConnection to establish a secure connection.

Vision

Known Issues

  • Facial landmarks identified by the Vision framework may flicker in temporal use cases such as video. (32406440)

Xcode

Known Issues

  • Debugging a disabled Messages extension may cause Messages to crash. (33657938)Workaround: Before starting the debug session, enable the extension by tapping the More button to show the list of apps, then tapping the Edit button, and then tapping the switch to turn on the extension.
  • After a simulated iOS device starts up, it’s not possible to pull down the Lock screen. (33274699)Workaround: Lock and unlock the simulated device and then reopen Home screen.

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