I had some issue with my current code, (Flex version sdk 4.6 and Flash builder 4.7 standard version), which i see is fixed in Apache flex 4,12.0
As adobe site do not provide any official stable release of this version can you please guide me how to get the fix .
You can download the Apache Flex SDK Installer here: http://flex.apache.org/installer.html.
Run the setup and it will download latest Flex 4.12 SDK along with latest Adobe AIR 13beta SDK.
In FlashBuilder go to "Preferences -> Flash Builder -> Installed Flex SDK" and add the folder where the installer put the files.
In your projects you can then set the SDK in the project properties -> Flex Compiler