Apache Flex

Monday March 10, 2014

Apache Flex 4.12.0 Released!

Apache FlexThe Apache Flex community is pleased to announce the release of Apache Flex 4.12.0

Apache Flex is a highly productive, open source application framework for building and maintaining expressive applications that deploy consistently on all major browsers, desktops and devices (including smartphones, tablets and tv).

Apache Flex 4.12.0 is a update to Apache Flex 4.11.0 that adds support for the latest Flash Player and AIR runtimes, improved memory and performance, improved mobile skins and iOS7 support and over 80 bug fixes.

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

You can read the release notes from the following page to find out what has changed from the last version:

It's 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:

Thank you for using Apache Flex,
The Apache Flex Community


Happy to see the mobile features have been enhanced, and the performances have been boosted! Thanks and keep going on the great works!

Posted by DarkStone on March 10, 2014 at 01:22 PM GMT #

me and my officemates are excited to test this out. thank you apache flex team

Posted by reisan lukelog on March 10, 2014 at 01:40 PM GMT #

happy to see new features at flex 4.12 realeased, thanks!!

Posted by xiewanzhi on March 11, 2014 at 12:26 AM GMT #

Great News !

Posted by Mitesh Sharma on March 11, 2014 at 05:12 AM GMT #

The good news at the start of spring(here in Pakistan) is really awesome. I believe that the Apache actually fulfill its promise of 2011. The good thing about the old bug that irritating during development app for iOS 7 is fixed now. The bugs "iOS 7 status bar support" i really like. Thanks Apache.

Posted by Tahir Alvi on March 11, 2014 at 08:11 AM GMT #

Great! Thank you apache team!

Posted by cetin on March 11, 2014 at 11:30 AM GMT #

Awesome improvements guys! Thanks! But it seems that the MaskedTextInput aren't working :( <ns:MaskedTextInput maskText="??? @@@ ### CHF" textMaskPrompt="ZZZ AAA 000 CHF" />

Posted by WitchLake on March 11, 2014 at 11:35 AM GMT #

you guys are rocking !!!!!!!!!!!!!!! will give a try

Posted by Sanjeev on March 11, 2014 at 11:37 AM GMT #

Great news, We are also eager to try the new FlexJS.

Posted by pCampos on March 11, 2014 at 11:38 AM GMT #

Good job, but I have to tell you that you left some enabled traces that show this kind of message: relpos 1 atomIndex 1 when using TextInput.

Posted by maberick on March 11, 2014 at 03:49 PM GMT #

@WitchLake What the issue are you seeing with MaskedTextImput? That example works for me. Can you post the issue here http://s.apache.org/flex-dev-forum Thanks.

Posted by Justin Mclean on March 12, 2014 at 05:52 AM GMT #

That's amazing guys, I'll update my SDK to point new one, you're really doing a great job, now flex is moving forward and faster. By the way, why apache flex is not release on a public maven repository ? I know that you can mavenize your own SDK but will be amazing to have a public repository with all release, similar to other apache projects. Thanks guys for all your work.

Posted by Edgar Rivera on March 12, 2014 at 10:13 AM GMT #

Hi, I'll take a look at the MaskedTextInput problem. I must say that very complex mask was not tested and only tried most common patterns (date, ccc, iban, phone...), so it's normal that now the component is out in official SDK experimental library we find troubles with some kind of complex patterns. As we see the problems we could improve the algorithm and support more use cases. I'll report what I see in flex dev mailing list. Thanks for using it and reporting the problems found! :)

Posted by Carlos Rovira on March 12, 2014 at 10:38 AM GMT #

@Justin @WitchLake, I think I catch the problem: I test the sample proposed and you can enter restricted chars as expected and delete it in the same way. The problem comes when you try to remove chars from (in example) between chars from a "only numbers" to a "only alphanumeric", since you "drag" chars to unalloyed positions (numbers in only alphanumeric). I think we must disscuss in the dev mailing list how to solve this situation. Thanks for the feedback! C.

Posted by Carlos Rovira on March 12, 2014 at 12:09 PM GMT #

All I can say is: Scrollable freakin StageTextInput....woot! Thank you.

Posted by Jason on March 12, 2014 at 10:48 PM GMT #

Great News.Congrats Team !!!

Posted by Gomathipramarajan on March 13, 2014 at 05:36 AM GMT #

Hi I have left Flex since Adobe announced not to support visual design in flex4.7 I saw that flex is not dead and have many imporvments with flex 4.12 Is there a way to have a visual design in flex4.12 ? (complex layouts really are very hard to be done without this feature): is there an aletrnative ? regards

Posted by yarek chmielewski on March 15, 2014 at 09:20 AM GMT #

Great news! Thank you, guys!

Posted by Krisztian on March 16, 2014 at 09:42 AM GMT #

Great work guys, look forward to kicking the tires on this one!

Posted by Paulus de B. on March 16, 2014 at 07:14 PM GMT #

Thanks alot!!! a Congrats Team!!!

Posted by Martin on March 17, 2014 at 05:20 PM GMT #

Great News Thank you!

Posted by KPr on March 20, 2014 at 04:06 PM GMT #

Good job,thanks!

Posted by jiafu on March 24, 2014 at 11:39 AM GMT #

help! use Apache Flex SDK Installer 2.7 error: Install Log: Downloading OSMF.swc from: osmf.adobe/OSMF%202.0%20Release%20%28final%20source%2C%20ASDocs%2C%20pdf%20guides%20and%20release%20notes%29/ Unable to clean up temporary installation directories Installation aborted

Posted by jiafu on March 24, 2014 at 12:07 PM GMT #

I could not see MaskedTextInput details under latest sdk ASDOC. Please check it.

Posted by Prashant on March 26, 2014 at 06:53 AM GMT #

Applications made in 4.12 can be run in mobile browsers of android and windows

Posted by vikas on March 26, 2014 at 03:45 PM GMT #

This is just awesome. I was skeptical when Adobe gave up on Flex but now I think it's the best thing that could have happened. Thanks so much.

Posted by John Hall on March 26, 2014 at 05:35 PM GMT #

You guys are great..

Posted by on March 28, 2014 at 12:32 PM GMT #

Hi, I work as Flexer for commercial bank - now we use Flex, but there is a fear about the future of the Flash Player Runtime... Despite this there is no reasonable alternative to do what has been done and make it work as good as it works now. I want to note once again, that if stable version of FlexJS will be ever released (Flex 5 =) - it will be the "second breath" for Flex.

Posted by Mikhail on April 03, 2014 at 09:19 AM GMT #

I can't imagine you've received enough thanks for all the work you have put into this. The fact that the Flex SDK continues to evolve is a life-saver for many of us developers. Thanks so much!!

Posted by John Hall on April 09, 2014 at 03:44 AM GMT #

Greetings. You people are doing good job.

Posted by Adibkarim on April 09, 2014 at 05:56 AM GMT #

Happy to see the mobile features have been enhanced, and the performances have been boosted! Thanks and keep going on the good work.

Posted by Adibkarim on April 09, 2014 at 05:58 AM GMT #

Great News! Hope add Flex-IFrame component to SDK, and resolve all bugs!!!! thanks!

Posted by wangzhixie on April 11, 2014 at 02:18 AM GMT #

Good Job Team.Apache Flex Rocks

Posted by Anand.G on April 11, 2014 at 07:36 AM GMT #

I try to build a flex mobile project in flashbuilder4.7 with flexsdk 4.12,but it couldn't work. anyone encounter this problem??

Posted by foodyi on April 12, 2014 at 03:15 AM GMT #

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