Hi, > Our applications run with Flex 4.6, we're considering upgrading to 4.7 for > the concurrency features.
The concurrency features are part of the Flash Player (first added in 11.4) not the Adobe Flex SDK. The Adobe Flex SDK does support flash player 11.4 and does compile against 11.5 and 11.6 but hasn't been fully tested with those versions. Thanks, Justin
