Hi, Perhaps I missing the point but you can use framework RSLs with Apache Flex, however they will be cached by the users browser and may still be useful and give some advantages for an application that is used frequently, has high usage or with multiple application from the same domain. It's not going to be as good as the framework being cached by teh flash player but woudl still have some benefit. Can you do some A/B testing and see what the actual results would be for a small part of your users?
There's not much point in signing RSLs as it was a Flash Player feature that signed the RSLs not a Flex SDK feature, the Flash Player would need to change in order to cache the Apache or user signed RSL and that's probably not possible. Thanks, Justin
