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Xamarin.iOS 13.0 Release Notes

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System Requirements | What's New | Known Issues | Blogs | Open Source

To see installation instructions for both Visual Studio for Mac and Visual Studio 2019, please visit Installing Xamarin

Requirements

  • The latest features and APIs require Xcode 11 and the bundled iOS, tvOS and watchOS SDKs
  • Apple Xcode 11 requires a Mac running macOS 10.14.4 (Mojave) or newer
  • Visual Studio 2019 or Visual Studio for Mac

What's New in this Release

Support for Xcode 11

For more information you can consult the Xcode 11 release notes from Apple.

Support for iOS 13 and iPadOS 13

See our API diff to browse the latest changes.

For more information you can consult the iOS & iPadOS 13 release notes from Apple.

Support for tvOS 13

See our API diff to browse the latest changes.

For more information you can consult the tvOS 13 release notes from Apple.

Support for watchOS 6

See our API diff to browse the latest changes.

For more information you can consult the watchOS 6 release notes from Apple.

Support for uploading iOS, tvOS and watchOS Apps to iTunes Connect

Starting with Xcode 11, Apple stopped distributing Application Loader, which was used to publish Apps to the iTunes Connect website.

We updated our MSBuild tasks to make use of a new tool shipped with Xcode: altool.

This is a necessary step for the IDEs to continue providing the ability to publish Apps to the App Store.

Release History

This version of Xamarin.iOS corresponds to our xcode11 milestone and is based of the 16.2 release.

  • September 12, 2019 - Xamarin.iOS 13.0.0.19
  • September 3, 2019 - Xamarin.iOS 12.99.4.26
  • August 21, 2019 - Xamarin.iOS 12.99.3.5
  • August 7, 2019 - Xamarin.iOS 12.99.2.40
  • July 25, 2019 - Xamarin.iOS 12.99.2.26
  • July 10, 2019 - Xamarin.iOS 12.99.1.27
  • June 27, 2019 - Xamarin.iOS 12.99.0.159

September 12, 2019 - Xamarin.iOS 13.0.0.19

Tip

This version can be used to submit Apps to the App Store.

This seventh preview is based on Xcode 11 GM. More frameworks and API are now available. Future releases will include additional API as they become available.

Updated frameworks

Enhancements

  • 6921 - [Foundation] Expose the usage of cellular data in the NSUrlSessionHandler. It can sometimes be useful to turn this off and it was not easy with the existing implementation.
  • 6942 - [MediaPlayer] Enable API that depend on AVFoundation types for watchOS.
  • 6947 - [Versions] Add iOS/tvOS 12.3 & 12.4 as well as watchOS 5.3 to our versions files so we offer those options in the IDEs.

Issues

  • 6906 - Updated mono to include workaround for broken Hebrew and other non-Gregorian calendars.
  • 6926 - [package] Rename bundle identifier for the frameworks we ship. Apple added an App Store check to reject Apps with multiple frameworks with the same bundle identifier.
  • 6899 - [mlaunch] Fix issues launching/installing with the watch simulator.
  • 6948 - [UIKit] Make UITraitCollection thread-safe.

September 3, 2019 - Xamarin.iOS 12.99.4.26

This sixth preview is based on Xcode 11 beta 7. More frameworks and API are now available. Future previews will include additional API as they become available.

New frameworks

This preview includes the following updates to existing frameworks (all API updated to beta 7 unless noted)

  • 6874 - Network (new in watchOS 6.0)

Updated frameworks

  • 6748 - AVKit Community Contribution ❤️
  • 6678 - CarPlay
  • 6858 - CoreMedia
  • 6822 - CoreVideo
  • 6867 - Security (Partial Update)
  • 6837 - Vision
  • 6844 - VisionKit
  • 6882 - WatchKit

Other changes

  • 6878 - Bump the minimum iOS version to 7.0. Deprecation ℹ️
  • 6850 - [registrar] Fix verification of generic parameters to accept unrelated generic types
  • 6819 - [authenticationservices] Remove [Abstract] from ASAuthorizationPasswordRequest
  • 6864 - [runtime] Build native code with -std=c++14. This is required by Apple to compile headers in C++ mode
  • 6855 - [mtouch] Detect when we run into the 32-bit arm size limitation, and report a better error
  • 6859 - [generator] Reference bound Appearance types using global:: syntax
  • 6880 - [Foundation] Ensure that the collection is not modified during the loop
  • 6872 - [UIKit] Fix threading issue in the selector performAsCurrentTraitCollection

August 21, 2019 - Xamarin.iOS 12.99.3.5

This fifth preview is based on Xcode 11 beta 6. More frameworks and API are now available. Future previews will include additional API as they become available.

Updated frameworks

This preview includes the following updates to existing frameworks (all API updated to beta 6 unless noted)

  • 6804 - AuthenticationServices
  • 6771 - ContactsUI
  • 6784 - CoreML
  • 6731 - CoreText
  • 6751 - EventKit Community Contribution ❤️
  • 6746 - ExternalAccessory
  • 6759 & 6801 - FileProvider[UI]
  • 6754 - Foundation
  • 6773 - GameKit
  • 6710 - HomeKit Community Contribution ❤️
  • 6780 - iAd
  • 6733 - MediaAccessibility
  • 6741 - NaturalLanguage
  • 6788 - NetworkExtension
  • 6743 - PdfKit
  • 6789 - QuicklookThumbnailing
  • 6803 - ReplayKit
  • 6767 - SafariServices
  • 6760 - StoreKit
  • 6807 - UIKit
  • 6800 - VideoSubscriberAccount

August 7, 2019 - Xamarin.iOS 12.99.2.40

This fourth preview is based on Xcode 11 beta 5. More frameworks and API are now available. Future previews will include additional API as they become available.

Updated frameworks

This preview includes the following updates to existing frameworks (all API updated to beta 5 unless noted)

  • 6718 - AuthenticationServices
  • 6589 - GameController
  • 6692 - HealthKit
  • 6625 - IntentsUI Community Contribution ❤️
  • 6719 - PassKit
  • 6705 - SoundAnalysis
  • 6717 - UIKit
  • 6645 - VideoToolbox Community Contribution ❤️

Other changes

  • 6703 - [UIKit] Add [BindAs] UIWindowSceneSessionRole to fix casting error

July 25, 2019 - Xamarin.iOS 12.99.2.26

This third preview is based on Xcode 11 beta 4. More frameworks and API are now available. Future previews will include additional API as they become available.

Updated frameworks

This preview includes the following updates to existing frameworks (all API updated to beta 4 unless noted)

  • 6608 - ARKit
  • 6617 - AuthenticationServices
  • 6581 - CallKit
  • 6563 - Contacts
  • 6582 - CoreAudioKit
  • 6600 - CoreLocation
  • 6513 - CoreMedia partial update
  • 6576 - CoreTelephony
  • 6562 - CoreText partial update
  • 6538 - Foundation
  • 6596 - MediaPlayer
  • 6579 - NotificationCenter Community Contribution ❤️
  • 6612 - PencilKit
  • 6521 - Photos
  • 6624 - PhotosUI
  • 6610 - ReplayKit
  • 6577 - SpriteKit
  • 6553 - UIKit

Other changes

  • 6619 - [authenticationservices] Fix ASAuthorization and ASAuthorizationRequest
  • 6609 - [corenfc] Fix typo in wellKnownTypeTextPayloadWithString
  • 6637 - [generator] Do not use hardcoded error var name, use the one in the declaration
  • 6529 - [package] Fix dialog when installing on 10.15
  • 6493 - [registar] Fix NSURLsessionDelegate issues

July 10, 2019 - Xamarin.iOS 12.99.1.27

This second preview is based on Xcode 11 beta 3. More frameworks and API are now available. Future previews will include additional API as they become available.

New frameworks

This preview includes the following new frameworks (all API updated to beta 3)

  • 6438 - BackgroundTasks
  • 6437 - LinkPresentation
  • 6491 - PencilKit

New CoreImage filters

A new CoreImage filter:

  • 6480 CIRoundedRectangleGenerator

Updated frameworks

This preview includes the following updates to existing frameworks (all API updated to beta 3 unless noted)

Other changes

  • 6484 - The IncomingCallNotifications.framework was removed from Xcode 11 beta 3
  • 6505 - [coremidi] Fix creating a native MidiThruConnectionParamsStruct

June 27, 2019 - Xamarin.iOS 12.99.0.159

This first preview is based on Xcode 11 beta 2. Many of the new API are already available. Future previews will include additional API as they become available.

New frameworks

This preview includes the following new frameworks (all API updated to beta 2)

  • 6374 - IncomingCallNotifications
  • 6415 - PencilKit
  • 6351 - SoundAnalysis

New CoreImage filters

New CoreImage filters includes:

  • CIDocumentEnhancer
  • CIGaborGradients
  • CIKMeans
  • CIKeystoneCorrection
  • CIKeystoneCorrectionCombined
  • CIKeystoneCorrectionHorizontal
  • CIKeystoneCorrectionVertical
  • CIMorphologyRectangle
  • CIMorphologyRectangleMaximum
  • CIPaletteCentroid
  • CIPalettize
  • CIPerspectiveRotate

Updated frameworks

This preview includes the following updates to existing frameworks (all API updated to beta 2)

Enhancements

  • 6389 - Improve bindings for NWProtocolMetadata to more gracefully report incorrect usage

Known Issues

  • 6333 - Unable to use PhotosUI as framework's header can not compile.

AOT-compilation for 32-bit architectures fails on macOS 10.15 Catalina

AOT-compilation for 32-bit device architectures (ARMv7, ARMv7s and ARMv7k) does not work on macOS 10.15 Catalina.

This will be fixed in a future release.

For more information see issue #6925.

Installing on macOS 10.15 Catalina

You might get a security dialog before the installer can be executed. This will be fixed in a future preview. Additional information can be found here.

Using an older Xcode version

Using an older Xcode version (than the one mentioned in the above requirements) is often possible. For more information see the following documentation.

API Diff

The following documents contains a complete list of the API changes since the Xamarin.iOS 12.14 release:

Integrated Mono Features/Fixes

Xamarin.iOS uses a customized runtime and base class libraries (BCL) from Mono 6.0 Commit 537654c

Feedback welcome

Your feedback is important to us. If there are any problems with this release, check the Xamarin.iOS Forums and Github Issues for existing issues. If you do not find any matching issue, please feel free to start a new discussion and report an issue.

Open Source

Xamarin.iOS is based on the following open-source repositories:

Contributors

A big Thank You! to external contributors who made improvements in this release: