Category Archives: Alpha

Releases specifically targeted for the Alpha Updater Channel.

Alpha Release: Cycle 6

We are releasing a preview of a future stable release, dubbed Cycle 6 to the Alpha channel. This series of builds will be the next major feature release of the Xamarin Platform when these builds release to Stable later this year. We wanted to release these build to a wider audience for consumption via the Alpha channel. If you are looking for the iOS 9 preview, you can find that here.

As this is the first Alpha release of a major feature update, there are bound to be bugs. Please make sure to use the forums below to read up on issues as they are found, and see if any workarounds exist. Additionally, please note that this first release does not have a compatible Xamarin.VS build, thus there will be a temporary break between Xamarin.VS and Xamarin.iOS if you are on the Alpha channel. We are working to fix a blocking issue with the Xamairn.VS product, and should be doing an updated Alpha build for that very soon.


Known Issues 

  • [Xamarin Studio] – Xamarin Studio Windows build is not available with this release. This will be provided during the next Cycle 6 Alpha update.
  • [Xamarin.VS] – Xamarin.VS will be incompatible with Xamarin.iOS 8.13.0 for the time being. We will be putting out an updated VS to the Alpha channel soon which will restore compatibility.

Products Released


Upcoming Release Dates

Alpha – Today!

Beta – September / October 2015

Stable – Fall 2015

2nd Alpha Release: Cycle 5 – Service Release 3

We are releasing an updated preview of our next upcoming stable release, dubbed Cycle 5 – Service Release 3, to the Alpha channel. These builds contain additional patches that were not included in the previous alpha.

As this is an Alpha preview, there are still some known issues to be aware of. These are regressions not against the current stable, but against the previous Alpha release. We’re looking to have these fixed in an upcoming preview, but felt they were not severe enough to hold back an Alpha containing fixes people may be waiting on.


Known Issues 

  • [Xamarin Studio] – Support for projects created with VS 2015 is not included in this build.
  • [Xamarin.iOS] – Xamarin.Forms iOS applications may crash when launching to simulator in release mode.
  • [Xamarin.Android] – API-22 binding is not complete in this build.

Products Released

  • Xamarin.iOS 8.10.4.27
    • Release Notes
    • Forum Thread – Alpha Release: Xamarin.iOS 8.10.4, Cycle 5 – Service Release 3
    • Issues Addressed
      • 26699 – Fixed an issue with AOT assemblies not working correctly with CocosSharp projects .
      • 31846 – Fixed errors caused by casting nfloat to float when using the AOT compiler option –aot-options=-O=float3.
      • 29615 – Fixed an issue with the linker for XML files when using no LLVM.
      • 31582 – Fixed a failure occurring for some operations on ARM7.
  • Mono Framework MDK 4.0.3.19
    • Release Notes
    • Issues Addressed:
      • 30043 – Fixed an exception caused by calling Dispose on FileSystemWatcher.
      • 26205 – Fixed a null reference for some NuGet packages with PCLs generated on Windows.
      • 30929 – Fixed issue with files missing from source distribution.

Upcoming Release Dates

Alpha – July 17th, 2015.

Alpha 2 – July 23rd, 2015.

Beta – Late July

Stable – End of July / Early August

Alpha Release: Cycle 5 – Service Release 3

We are releasing a preview of our next upcoming stable release, dubbed Cycle 5 – Service Release 3, to the Alpha channel. These builds contain a number of additional fixes on top of our current stable products, and we’re looking to get them into the Stable channel later this month if all goes well.

As this is an Alpha preview, there are still some known issues to be aware of. These are regressions against the previous stable release of Cycle 5 – Service Release 2. We’re looking to have these fixed in an upcoming preview, but felt they were not severe enough to hold back an Alpha containing lots of fixes people may be waiting on.


Known Issues 

  • [Xamarin.VS] – VS may hang when deploying a WatchKit application on simulator.

Products Released

  • Xamarin for Visual Studio 3.11.785
    • Release Notes
    • Forum Thread – Alpha Release: XamarinVS 3.11.785, Cycle 5 – Service Release 3
    • Issues Addressed:
      • 31009 – Fixed an issue where the build host would get disconnected due to an exception.
      • 26709 – Fixed an issue with Nuget installs not using latest Google Play Services version when creating projects with Xamarin Android libraries.
      • Fixed an issue where change to installation folder for Xamarin Android Player caused it to not show up with Xamarin.VS.
      • 29398 – Fixed an issue where the Xamarin.VisualStudio.iOS.Documents process would hold an open reference to the project folder after VS had exited.
  • Xamarin.Android 5.1.5.2
    • Release Notes
    • Forum Thread – Alpha Release: Xamarin.Android 5.1.5, Cycle 5 – Service Release 3
    • Issues Addressed
      • 31527 – Fixed an issue where System.Runtime was not able to load correctly in projects with both Shared Runtime and Link SDK enabled.
      • 28114 – Fixed a crash caused by overriding Keyboard.CreateKeyFromXml.
      • 30823 – Fixed AOT task failure when linker is set to “don’t link”.
  • Mono Framework MDK 4.0.3.13
    • Release Notes
    • Issues Addressed:
      • 30868 – Fixed an issue with exceptions occurring when using certain versions of Mono.
      • 29823 – Fixed an issue which broke SqlConnectionBuilder after migrating to System.Data in Mono 4.0.0 or later.
      • 29571 – Fixed mismatching behavior between Mono and .NET for null comparison values.

Upcoming Release Dates

Alpha – July 17th, 2015.

Beta – Late July

Stable – End of July / Early August

Alpha Release: Cycle 5 – Service Release 2

We are releasing a preview of our next upcoming stable release, dubbed Cycle 5 – Service Release 2, to the Alpha channel. These builds contain a number of additional fixes on top of our current stable products, and we’re looking to get them into the Stable channel later this month if all goes well.

As this is an Alpha preview, there are still some known issues to be aware of. These are regressions against the previous stable release of Cycle 5 – Service Release 1. We’re looking to have these fixed in an upcoming preview, but felt they were not severe enough to hold back an Alpha containing lots of fixes people may be waiting on.


Known Issues 

  • [Xamarin.VS] – Running a WatchKit app a second time causes an error.
  • [Xamarin.VS] – Deploying an Android application a second time on other emulators or devices fails and causes an error.
  • [Xamarin.Android] – Error when building with Supportv7/Pallete sample.
  • [Xamarin.Android] – profile.mlpd file is not correctly created when using command line profiler.
  • [Xamarin.Android] – When running most unit test apps that have been compiled with AOT on x86 devices, you may see an assertion failure.

Products Released

  • Xamarin Studio 5.9.4.5
    • Release Notes
    • Forum Thread – Alpha Release: Xamarin Studio 5.9.4, Cycle 5 – Service Release 2
    • Issues Addressed:
      • 29228 – Fixed an issue where the Component Store would not accurately reflect install status.
      • 29583 – Fixed an issue where archives would not show up.
      • 29614 – Fixed an issue where there was no valid iOS code signing keys being found in keychain.
      • 29725 – Fixed an issue where expressions in the Watch window were cleared each time debugging was stopped.
      • 30070 – Fixed an issue where you could not type in the search box.
  • Xamarin for Visual Studio 3.11.658
    • Release Notes
    • Forum Thread – Alpha Release: XamarinVS 3.11.658, Cycle 5 – Service Release 2
    • Issues Addressed:
      • 28934 – Fixed an issue where UITest project solutions were not working correctly with VS 2010.
      • 29148 – Fixed an issue where “Bundle Assemblies into Native Code” checkbox was not correctly updating its status when using fast deployment.
      • 29849 – Fixed an issue with Forms iOS projects causing errors due to adding Entitlements.plist
      • 30235 – Clarified the wording of a licensing message when using Xamarin Indie Edition to connect VS
      • 30371 – Fixed an issue where default values for certain project properties were displaying incorrectly if they were not explicitly specified.
  • Xamarin.iOS 8.10.2.17
    • Release Notes
    • Forum Thread – Alpha Release: Xamarin.iOS 8.10.2, Cycle 5 – Service Release 2
    • Issues Addressed:
      • 28739 – Fixed a crash related to AddressBook.ABPerson.GetEmails().
      • 28961 – Fixed an AOT error found when upgrading to the Unified API.
      • 29211 – Fixed a runtime error caused when Enabling linker with Profile 7 PCL using System.IO.Compression
      • 29579 – Fixed an issue with Info.plist not being found.
      • 29846 – Fixed a debugger crash when attempting to expand SKFieldNode in Locals view.
      • 29885 – Fixed an issue with Darwin Notifications not working correctly.
      • 30177 – Fixed an issue with Argument 8 delegate getting lost on 64-bit ARM targets.
      • 30698 – Fixed a build failure when performing float or nfloat calculations on builds who’s AOT option is set to float32.
  • Mono Framework MDK 4.0.2.4
    • Release Notes
    • Issues Addressed:
      • 29639 – Fixed an issue where some unit tests failed to run with RemoteException: Unix transport error when executing them with nUnit 2.4.8.
      • 29898 – Bumped Mono Nuget to 2.8.5 to address issues when trying to use ProGet for private repositories.
      • 29935 – Fixed an issue where XAttribute.ToString() would output incorrectly if the attribute contains namespace.

Upcoming Release Dates

Alpha – Today!

Beta – Mid June

Stable – Late June