Apple ha da poco reso disponibile, inizialmente solo via OTA, la nuova beta 3 di iOS 5.1 aggiungendo nuove funzionalità e correggendo qualche bug. Qui il changelog ufficiale:
- New: iOS 5.1 introduces a new API to mark files or directories that should not be backed up. For NSURL objects, add the NSURLIsExcludedFromBackupKey attribute to prevent the corresponding file from being backed up. For CFURLRef objects, use the corresponding kCFURLIsExcludedFromBackupKey attribute.
- Fixed: Using shake-to-shuffle causes the Music app to freeze and playback to stop.
- New: If you perform an erase install and attempt to enable iTunes Match, you will receive an error stating that you are not subscribed to iTunes Match. Performing an update install should prevent this error.
- Fixed: Immediately after completing the Setup Assistant, it may re-appear and show the Wi-Fi screen and/or the final “Thank You” screen. The workaround when in this loop is to reboot the device.
- Fixed: The lock screen can intermittently get into a state where double-clicking the home button no longer brings up the camera button. To get out of that state, you need to restart the device.
- New: In 5.1 the UISplitViewController class adopts the sliding presentation style when presenting the left view (previously only seen in Mail). This style is used when presentation is initiated either by the existing bar button item provided by the delegate methods or by a swipe gesture within the right view. No additional API adoption is required to obtain this behavior, and all existing API, including that of the UIPopoverController instance provided by the delegate, will continue to work as before. If the gesture would be insupportable in your app, setting the presentsWithGesture property of your split view controller to NO disables the gesture. However, disabling the gesture is discouraged because its use preserves a consistent user experience across all applications.
Finalmente è stata introdotta la possibilità, su iPhone 4S, di disabilitare solo la rete 3G lasciando attiva la rete 2G come avveniva con iPhone 4.
Infine, il nuovo servizio iTunes Match sembra stia per sbarcare anche qui in Italia infatti è stato aggiunto il nuovo pulsante “iTunes Match” in Impostazioni>Musica.
Insieme al nuovo update beta, Apple ha rilasciato la Preview 3 di Xcode 4.3 e la beta 2 dell’ OS di Apple TV. La versione finale di iOS 5.1 infine è attesa per fine gennaio o inizio febbraio.
AGGIORNAMENTO:
La durata della batteria è notevolmente aumentata!






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