Beta Release: Cycle 7 Release Candidate 3

Update (6/6) – Slightly newer builds have been pushed to the Beta channel in anticipation of our upcoming Stable release. Please see the newer version numbers noted below. 

We are publishing a new release candidate of our next major feature release, called Cycle 7. As this is a Beta build, there may be some known issues and the possibility of new issues being found during testing.

Please check out the product release notes to see all the fixes and known issues for this preview, and use the below forum threads to report and monitor issues that may occur, as well as find any potential workarounds that may exist.

NOTE: Since Google’s newest Android N previews now only allow linking to NDK-provided native libraries, existing apps using e.g. Mono.Data.Sqlite.dll will crash when running on Android N. The functionality to support this is supported in this release.

NOTE: Visual F# Tools 4.0 RTM must be installed in order for F# console project builds to work with Cycle 7 Xamarin Studio build noted below.

NOTE – You will need to have MS Build Tools 2015 installed in order to use the iOS Designer with the Xamarin.VS build published to the Beta channel.


Known Issues

  • [Xamarin Studio] – Dragging and dropping a folder from one project to another moves the files, but does not add them to the destination project.
  • [Xamarin Studio] – Breakpoints are not hitting in Xamarin.Mac C#/F# Unified Applications.
  • [Xamarin Studio] – You may be unable to run watchkit applications after selecting Appicon on the Apple Watch Notification Center.
  • [Mono Framework] – Mono 4.3 Cryptography.ProtectedData fails to decrypt data from Mono 4.2. As a result, NuGet packages will fail to restore with the error “Data unprotection failed” when a protected NuGet source is configured.
    • Workaround – In Xamarin Studio you will need to add back any NuGet package sources that use password authentication before re-attempting to restore the packages.
  • [Xamarin.VS & Xamarin.iOS] – When deploying WatchKit applications in Visual studio, the error “The file ‘bin\iPhoneSimulator\Debug\WatchKitApp1WatchKitApp.app\WatchKitApp1WatchKitApp’ does not exist” may appear.
  • [Xamarin.VS] – tvOS Applications built with the “Build ad-hoc IPA” checkbox enabled in “Debug/Release + Device” configuration will fail with the error “The ‘CopyFileToWindows’ task failed unexpectedly.”

Products Released 


Upcoming Release Dates

Alpha – March 10th, 2016.

Alpha 2 – Mar 15th, 2016

Beta RC1 – Apr 27th, 2016

Beta RC2 – May 18th, 2016

Beta RC3 – This Release!

Stable – April/May 2016

Preview: Android N Support Preview 2

We are releasing our second preview with support and bindings for Google’s Android N SDK. Be sure to visit the Android N page and read about all the new features N support provides. If you are looking to get started right away, make sure to check out the new Android N samples and join in on the forum discussions.

Please note that depending on which platform you are targeting, you will need to download certain products for this preview to work:

  • If you are using Visual Studio, you will only need to download the Xamarin.VS linked below.
  • If you are using Xamarin Studio on a Mac machine, you will need to download the Xamarin Studio, Xamarin Android, and Mono Framework linked below.
  • If you are using Xamarin Studio on a Windows machine, you will to download the Xamarin Studio, Xamarin.VS, and GTK Installer linked below.

There is no target stable date for N support at this time, as we have to wait until Google finalizes and publishes their support before we can release ours. That being said, we will do additional N preview releases between now and the final Google release, so be sure to check back and see if newer versions become available in the coming months.

As with all our preview releases, this is not a product we officially support. If you encounter any issues, we recommend filing a bug in Bugzilla. You can also jump into the discussions on the forum thread posted below.


Known Issues 

  • [Xamarin.Studio / Xamarin.VS] – The Xamarin.Android Designer does not support rendering of the new API level (N).
  • 31002 – [Xamarin.Studio / Xamarin.VS] – Users will have to manually make sure their minimum SDK version is set to v6.0 (23) or lower, instead of v6.0.99 (24), in order to deploy to N devices and emulators.
  • 40156 – [Xamarin Android] Projects which utilize Support.v7.AppCompat may no longer compile on Windows when using the preview build tools (24 rc2). This can be worked around by using the latest stable version of build tools instead (23.0.3).

Products Released

  • Xamarin for Visual Studio 4.1.0.509 [Download]

Beta Release: Cycle 7 Release Candidate 2

We are publishing a new release candidate of our next major feature release, called Cycle 7. As this is an Beta build, there are some known issues and the possibility of new issues being found during testing.

Please check out the product release notes to see all the fixes and known issues for this preview, and use the below forum threads to report and monitor issues that may occur, as well as find any potential workarounds that may exist.

NOTE: Since Google’s newest Android N previews now only allow linking to NDK-provided native libraries, existing apps using e.g. Mono.Data.Sqlite.dll will crash when running on Android N. The functionality to support this is not in this release, however it will be included in a future release of Cycle 7, and will also be published to our Stable Channel via a Service release shortly after Evolve 2016.

NOTE: Visual F# Tools 4.0 RTM must be installed in order for F# console project builds to work with Cycle 7 Xamarin Studio build noted below.

NOTE – You will need to have MS Build Tools 2015 installed in order to use the iOS Designer with the Xamarin.VS build published to the Beta channel.


Known Issues

  • [Xamarin Studio] – Dragging and dropping a folder from one project to another moves the files, but does not add them to the destination project.
  • [Xamarin Studio] – Breakpoints are not hitting in Xamarin.Mac C#/F# Unified Applications.
  • [Xamarin Studio] – You may be unable to run watchkit applications after selecting Appicon on the Apple Watch Notification Center.
  • [Mono Framework] – Mono 4.3 Cryptography.ProtectedData fails to decrypt data from Mono 4.2. As a result, NuGet packages will fail to restore with the error “Data unprotection failed” when a protected NuGet source is configured.
    • Workaround – In Xamarin Studio you will need to add back any NuGet package sources that use password authentication before re-attempting to restore the packages.
  • [Xamarin.VS & Xamarin.iOS] – When deploying WatchKit applications in Visual studio, the error “The file ‘bin\iPhoneSimulator\Debug\WatchKitApp1WatchKitApp.app\WatchKitApp1WatchKitApp’ does not exist” may appear.
  • [Xamarin.VS] – tvOS Applications built with the “Build ad-hoc IPA” checkbox enabled in “Debug/Release + Device” configuration will fail with the error “The ‘CopyFileToWindows’ task failed unexpectedly.”

Products Released 


Upcoming Release Dates

Alpha – March 10th, 2016.

Alpha 2 – Mar 15th, 2016

Beta RC1 – Apr 27th, 2016

Beta RC2 – This Release!

Stable – April/May 2016

Stable Release: Cycle 6 Service Release 4

We are releasing the Stable builds of Service Release 4 on top of Cycle 6. Please use the below forum threads to report and monitor issues that may occur, and find any potential workarounds that may exist.


Products Released

  • Xamarin for Visual Studio 4.0.4.4
    • Release Notes
    • Forum Thread – Stable Release: Xamarin 4, Cycle 6 – Service Release 4
    • Issues Addressed:
      • 39433 – Fixed an erroneous null reference exception being thrown by the Android Debugger in VS.
      • 38753 – Clicking “Xamarin for Visual Studio Update Available” notification in the toolbar will now properly trigger the appropriate Update UI.
      • 40022 – Selecting “Tools => Xamarin Account” should now properly recognize existing VS Professional license levels for Xamarin.
      • 36078 – XUnit Test Runner should no longer hang when a breakpoint is set in a test.

Upcoming Release Dates

Stable – This Release!

Preview: Xamarin Inspector 0.8.1

We are releasing an updated preview of the Xamarin Inspector for iOS, Android, Mac, and WPF applications. Xamarin Inspector is an interactive tool that you can use to diagnose and prototype changes in your application. The inspector can attach to a live application on any of the supported platforms.


Products Released