Flex 4 / Flash Builder 4 Beta Docs Updated

Note: Flex 4 shipped on March 22, 2010.

The final version of the usage content is available at http://help.adobe.com/en_US/flex/using/index.html.

The Platform Reference is available at hthttp://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/index.html.