What's New in iOS 13.1 Beta

Apple released the first beta of iOS 13.1 today.

Here's a look at some of the new features!


What's New in iOS 13.1 Beta:
● Automations are once again available in the Shortcuts app


● Share ETA is once again available in the Maps app

● You can now properly map right-click on a mouse to 3D Touch or longpress

● HEVC video encoding with alpha channels.
"This will ease green screen style compositing, and possibly enable Spektral-style real-time background removal/editing of backdrops in dual-camera devices," says @horwitz.

Audio
● Voice Processing mode can now be enabled on AVAudioEngine. (50906329)
● New AVAudioNode types can be used to wrap a user-defined block for sending or receiving data in real time.
● A new method is available for an AVAudioEngine-based app to retrieve a list of all nodes attached to an AVAudioEngine instance.
● A new rendering mode in AVAudioEnvironmentNode selects the best spatial audio rendering algorithm automatically based on the output device.
● A new AVAudioSession property allows system sounds and haptics to play while the session actively uses audio input.
● A new enumeration, AVAudioSession.PromptStyle, informs apps which style of voice prompt they should play based on other audio activity in the system.
● AVAudioSession.RouteSharingPolicy now permits apps to specify route-sharing policies so their audio and video routes to the same location as AirPlay.
● Audio Unit Extensions now support user presets that are available across all host applications.


Audio Sharing
Audio sharing is compatible with AirPods (1st generation or later) and PowerBeats Pro. iPhone 8 or later, iPad Pro 12.9-inch (2nd generation or later), iPad Pro 11-inch, iPad Pro 10.5-inch, iPad (5th generation or later), iPad Air (3rd generation), iPad mini (5th generation), or iPod touch (7th generation or later) is required. (51331268)

AVFoundation
AVFoundation now supports encoding video with alpha channels using HEVC. Videos encoded in this manner are broadly supported in AVFoundation APIs, and by Safari within web pages. Technical details of the format can be found in the Interoperability Profile specification. (8045917)

Core Image
● The init(imageURL:options:) and init(imageData:options:) initializers no longer support RAW version 5 and earlier. Version 6 and later remain supported. (50911303)
● Added new APIs for instantiating and modifying the built-in Core Image filters.
● The CICoreMLModel filter is enhanced to support models with an input or output of type MLFeatureType.multiArray.
● Metal CIKernel instances support arguments with arbitrarily structured data.
● Metal CIKernel instances support returning a group of 2 × 2 pixels.
● The integer values of CIFormat symbols, such as ARGB8, have changed to a new set of values that are consistent across platforms. The former values remain supported for backward compatibility; however, you should avoid dependancies on specific numerical values.

Mail
Ignore Blocked Senders can now be enabled in Settings > Mail. The blocked contacts list is shared with Messages, FaceTime, and Phone. (50775961)

Networking
● To enhance security, URLSession no longer sniffs the MIME type when the server sends Content-Type: application/octet-stream. (7820658)
● NSURLRequest.CachePolicy.reloadRevalidatingCacheData and NSURLRequest.CachePolicy.reloadIgnoringLocalAndRemoteCacheData APIs are now available. (49660334)
● Starting with iOS 13 beta 4, the copy attribute of the httpBodyStream property of NSMutableURLRequest is enforced. If the body data is mutated after the property setter has been called, data sent in the HTTP request won't include that mutation. Invoking the property getter no longer returns a NSMutableData reference, even when the setter was invoked with data of that type. ● As of iOS 13 beta 5, apps built using the iOS 12 SDK or previous SDKs use the legacy behavior. (53427882)
● The CNCopyCurrentNetworkInfo API has changed to address privacy. Please refer to the updated API documentation and headers for more details. (52707167)
● All URLSessionTask instances with a GET HTTP method that contain a body now produce the error NSURLErrorDataLengthExceedsMaximum. (46025234)

Developers can read more about known issues, deprecations, and the new features in SwiftUI, UIKit, and Xcode at the link below!

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