What's New in iOS 11.0

As Y'all know #WWDC17 already started. So here you can find new dishes !! in your dev plate. Few dishes like ARkit, Musickit and etc. You will loveit. I am just writing main points below for more details please check the release notes link in the bottom of the page.
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General 
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New - Support for binary (non-text) barcodes.
Added API To:
  • AV Foundation
  • Core Image
  • Sirikit 
Support detection, decoding and creating barcodes with binary content
Added CIBarcodeDescriptor, a new barcode descriptor object to Core Image to provide interoperability with AV Foundation and the Vision APIs.

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New - MusicKit.
******************

MusicKit gives your app access to the full Apple Music catalog, and to the user’s library.
MusicKit gives your app access to the full Apple Music catalog, and to the user’s library.
Added and updated functionality in StoreKit for retrieving client tokens and storefront identifiers.
Added and updated functionality in Media Player to enable station playback.
Added display of custom messages in the Apple Music subscriber setup flow.

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App Frameworks
********************

New - Support for drag and drop.
Drag and drop in iOS let a user drag items from one location to another onscreen; either within a single app or in different apps.
Added functionally to identify views as drag sources and destinations.
Added customizable previews and set-down animations.
For more information, see Drag and Drop in the documentation.
New - Browsing local and iCloud documents.
Improved Dynamic Type Support.
Improved Auto Layout support for Dynamic Type.
Updated text content to work with App Password autofill.
Updates to keyboard extensions.
Improved Available Storage Space API

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Graphics and Games
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New - Support for augmented reality. ARK it Framework - Integrates iOS device camera and motion features to produce augmented reality experiences in your app or game.
New - High-performance image analysis. Vision framework
New - Write custom image blending kernels for Core Image.
New - Lightweight render destination.
Extended ReplayKit framework.
Added new Core Image filters CITextImageGenerator, CIColorCurves, CILabDeltaE, CIBokehBlur, CIMinMaxRed, andCIBicubicScaleTransform.

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Metal 2
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Metal 2 contains significant additions and updates to Metal,

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App Services
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New - Support for machine learning models. - Added the Core ML framework for easily integrating machine learning models into apps.
New - SiriKit support for visual codes.
New - SiriKit support for notes and to-do lists.
New - Find the heading of the device.
New - Multipath TCP
New - DNS Proxy.
Enhanced end user transaction flow in Apple Pay.
New - Promoting in-app purchases on the App Store.
New - Live messages.
Enhanced triggers for HomeKit.
Updated MapKit for a clearer display of developer data. 
Added mutedStandard, a new map display mode that emphasizes developer data.
Added properties to customize how annotations behave when collisions occur. Developers use a combination of displayPriority,collisionMode, and clusteringIdentifier to influence which annotations remain on the map.

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Media and Web
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New - Support for High-Efficiency Video Coding (HEVC).
High-Efficiency Video Coding (HEVC) is a new standard for video encoding that offers substantially better compression than H.264 at the same level of visual quality.
Use AV Foundation to playback movies containing HEVC encoded tracks, and to capture and export videos.
VideoToolbox clients can encode and decode HEVC video bitstreams.
New - Support for High-Efficiency Image Format (HEIF).
High-Efficiency Image Format (HEIF) is a new standard of image compression that nearly doubles current data compression ratios for the same level of image quality.
Added functionality to the Photos and Core Image frameworks to display, encode, and export HEIF images.
New - Support for capturing and manipulating Depth data, and enhanced photo capture.
Added objects to AV Foundation for capturing and representing depth data. For more information, see AVCaptureDepthDataOutput, AVDepthData, and related APIs.
Added AVCapturePhoto, an object that encapsulates the information for a captured photo and supports HEVC and HEIC encoded images.
New - Automatic storage management.
New - AirPlay 2.
Added more Live Photo adjustments.

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System
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New - Hotspot configuration.
Updated the Core Bluetooth framework.
New - Detect NFC tags and read messages that contain NDEF data.
APFS is now the default filesystem.
Ref:https://developer.apple.com/library/content/releasenotes/General/WhatsNewIniOS/Articles/iOS_11_0.html#//apple_ref/doc/uid/TP40017637-SW1

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