Apache Flex

Monday October 28, 2013

Apache Flex 4.11 Released!

The Apache Flex project, the all-volunteer group of developers, and stakeholders in the development framework, today announced the release of Apache Flex 4.11.0. This release makes some important improvements over previous versions of Apache Flex and Adobe Flex including new and improved components and performance enhancements.

What’s new in Apache Flex v4.11.0?

The Apache Flex 4.11.0 SDK allows application developers to build expressive web and mobile applications using MXML for layout and ActionScript 3, an ECMAScript based language for client-side scripting.

The Apache Flex 4.11.0 release contains many improvements that professional software development teams will appreciate. This advances the framework forward. It is truly one of the best cross-platform programming languages used to write applications that are testable and can be compiled to run on multiple technology platforms from a single set of code.

Apache Flex 4.11.0 highlights include:

  • Support Flash Player 11.9.

  • Support for AIR 3.9.

  • 120 and 640 dpi mobile resolution/skin support, fixes to 480dpi skins.

  • mx:AdvancedDataGrid and mx:DataGrid speed improvements.

  • Added column sort type access to the datagrid columns in mx:Datagrid, s:Datagrid, and mx:AdvancedDataGrid.

  • Able to easily change mx:AdvancedDataGrid row and column item renderer spanning.

  • s:DataGridEditor will now be visible in ASDocs and be visible in the Tag inspector.

  • Minor changes to make SDK compile with Falcon compiler.

  • Added access to imageDecodingPolicy in BitmapImage.

  • Changed UIComponent removedFromStageHandler from private to protected to allow override

  • New experimental mobile spark datagrid.

  • Updated OSMF swc to latest version (2.0)

  • Renamed experimental supportClazzes package to be supportClasses.

  • Mobile Callout moved to spark and can be used in Desktop and Browser apps.

  • Support for [Experimental] metadata tag.

  • Over 50 bugs/issues were closed with this release

Apache Flex is available in source form from the following download page:

If you are a developer that wishes to use the Apache Flex SDK in your projects, it is recommended you install Apache Flex by using the Apache Flex IDE installer:

When downloading from a mirror site, please remember to verify the downloads using signatures or MD5 hashes.

For more information on Apache Flex, visit the project home page:


supportClazzes to supportClasses??

Posted by on October 29, 2013 at 01:01 AM GMT #

Thanks Guys, I was very happy with 4.10..will install 4.11 now. Thanks again for the great work

Posted by sanjeev on October 29, 2013 at 04:17 AM GMT #


Posted by Carlos on October 29, 2013 at 09:04 AM GMT #

Awesome news! I really like the idea of small incremental iterations of Flex SDK that introduce new crucial features and fixes to the most critical issues. And of course it's great to see that Flex framework is finally getting its long-awaited momentum. Keep up a great work, guys! P.S. Donations anyone? I'd definitely chip in

Posted by DD on October 29, 2013 at 09:58 AM GMT #

Congratulations, We would like to know if we will have Adobe Air for WinRT Thanks ... Felicitaciones , Nos gustaria saber si vamos a contar con Adobe Air para WinRT Gracias...

Posted by Carlos Alberto Diaz Jaramillo on October 29, 2013 at 04:22 PM GMT #

Thank you for your hard work, hope flex project is getting better and better!

Posted by jiafu on October 30, 2013 at 03:42 AM GMT #

Awesome! Thanks guys!

Posted by DevCat on October 30, 2013 at 08:22 AM GMT #


Posted by Priolo on October 30, 2013 at 10:21 AM GMT #

Great News , Is the fix for the issue https://issues.apache.org/jira/i#browse/FLEX-33824 in this build ??

Posted by Santosh on October 31, 2013 at 11:36 AM GMT #

Great News !! Keep this momentum guys .

Posted by Kannan K.P on October 31, 2013 at 12:06 PM GMT #

Thank You!!! Good Job! I'm using Flex fpr Mobile Apps and Games, best technology!!!

Posted by Good Job!!! on November 03, 2013 at 07:16 PM GMT #

Thanks you guys, the rapid pace of development on Flex is fantastic. Keep up the great work!

Posted by Jason Taylor on November 04, 2013 at 08:29 PM GMT #

Carlos, WinRT support will have to come from Adobe, not us. The Adobe AIR platform would be the one that provides this support. The Flash Player is included in Metro IE, and the Flash Plugin is whitelisted -- so you can create Flex application that target RT that way. Santosh, It looks like it is! You can check the release notes to see what bugs have been closed with this release.

Posted by Nick Kwiatkowski on November 04, 2013 at 09:25 PM GMT #

Thanks, guys!

Posted by Kean on November 05, 2013 at 07:49 PM GMT #

Thanks guys!!!!! You are the BEST!

Posted by Soft!OXY on November 07, 2013 at 11:04 AM GMT #

Hi, there used to be a jvm.config file that would let me spec what jvm to use for compiling my flex project. Where is this feature now?

Posted by Vic on November 09, 2013 at 12:37 AM GMT #

Greetz! Can't wait to put my hands on it!

Posted by riatiger on November 09, 2013 at 09:18 PM GMT #


Posted by Gabriel on November 10, 2013 at 04:32 AM GMT #

Great work! It might be a good idea to include the release notes on this page, as a link. Also any easy way to look at which 50 issues have been fixed?

Posted by Shon Fernandez on November 10, 2013 at 05:10 AM GMT #

Amazing, thanks!

Posted by ManiWang on November 11, 2013 at 04:12 AM GMT #

Great job flex team

Posted by achieverdev on November 11, 2013 at 01:23 PM GMT #

Thanks guys for sequence updates and getting very quick improvement in competitive technologies world.

Posted by venkatesan on November 12, 2013 at 07:10 AM GMT #

Wow, I like the speed in making new releases. That's great, keep up the tempo. Thanks to you all for your time and efforts.

Posted by Kwaku Antwi on November 13, 2013 at 11:09 AM GMT #

Great Job !! Thanks Team.

Posted by Adarsh on November 13, 2013 at 12:50 PM GMT #

Great News again !! Congrats team.Keep up the good work.

Posted by Gomathipramarajan on November 15, 2013 at 11:49 AM GMT #

Thank you for new release. So.. what is [Experimental] metadata tag means?

Posted by Jay, Choi on November 18, 2013 at 09:34 AM GMT #

Jay, The [Experimental] tag allows us to slowly add components to the SDK that are not fully tested or ready for production apps. It will give our users the ability to play with some of the new components that we are thinking about adding to the full SDK. Shon, The release notes are on the download pages. You can view them directly here : http://www.apache.org/dyn/closer.cgi/flex/4.11.0/RELEASE_NOTES

Posted by Nick Kwiatkowski on November 18, 2013 at 04:18 PM GMT #

Got it and thanks again.

Posted by Jay, Choi on November 18, 2013 at 11:27 PM GMT #

Awesome Job. Congr Team.

Posted by Tahir Alvi on November 19, 2013 at 01:33 PM GMT #

thanks very much guys, the BEST technology

Posted by Nasser on November 22, 2013 at 06:27 PM GMT #

Using Flex with AIR for cross-platform development for our company's PC software, and we've been happy with the platform and features. I was wary when the transition began, but I've been thrilled with how well it has been so far. Please keep up your efforts, we value every little bug fix and improvement. Thank you.

Posted by A Developer on November 29, 2013 at 12:32 AM GMT #

Not sure where to put this, but I found this issue: In latest version Apache Flex 4.11, bin\adt.bat looks wrong. @java -jar "%~dp0\..\lib\adt.jar" %* All other bat files have 1. if "%FLEX_HOME%"=="" set FLEX_HOME=%~dp0\.. but this one don't 2. instead @java just java

Posted by alan on November 30, 2013 at 09:59 PM GMT #

Thanks a lot! But looks like you are broke VideDisplay class guys :(

Posted by bobrokrol on December 02, 2013 at 04:44 PM GMT #

Thanks for the update team!

Posted by Christian on December 03, 2013 at 09:01 PM GMT #

Maybe a big "download 4.11" button. I'm clicking on every link and can't find it.

Posted by Jeff Spicer on December 06, 2013 at 01:31 AM GMT #

adt.jar not found error when attempting to install the sdk. did anyone test this with fb 4.7?

Posted by jeff spicer on December 06, 2013 at 02:05 AM GMT #

Changed UIComponent removedFromStageHandler from private to protected to allow override?why still private?

Posted by Shawn on December 09, 2013 at 05:01 AM GMT #

Great news!!

Posted by Manohar on December 12, 2013 at 11:35 PM GMT #

It says support for AIR 3.9. Is there a simple guide somewhere on how to create AIR apps using the apache flex 4.11? In Adobe Flex 4.6, it didnt need any extra step to create AIR apps. how does it work for 4.11?

Posted by steve on December 13, 2013 at 08:16 PM GMT #

awesome thanks. Thanks for giving us the tools to make great software.

Posted by Thomas Pickett on December 19, 2013 at 04:36 PM GMT #

Hi, This is great news that Apache did as they committed. Great News.

Posted by Tahir Alvi on December 24, 2013 at 04:38 PM GMT #

Thanks, guys Great Job

Posted by Best Vines on December 25, 2013 at 03:44 PM GMT #

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