Yes, Flex 3 should work with the 2.0.1 fds.swc. In Flex 3, if you get error for missing data.properties then you may have to specify the fds_rb.swc in the library path.
Also if you run into issues when upgrading your application from Flex 2.0.1 to Flex 3, take a look at the following link http://labs.adobe.com/wiki/index.php/Flex_3:Backwards_Compatibility_Flag Thanks, Gaurav --- In flexcoders@yahoogroups.com, "Body Works Studio" <[EMAIL PROTECTED]> wrote: > > Hello all, > > I have a j2EE facing web app that is using flex 2.0.1 w/ the fds.swf. > I am taking a stab at Flex 3 Beta 3, and wanted to know will Flex > three work with fds.swf when you use the 2.0.1 compiler? > > Thanks > > Jeff >