OK, it looks like this may have been released a few days ago (July 19th, to be exact), but I just noticed it in my Google Reader. http://www.adobe.com/go/kb402381
Flex 2.0.1 Hotfix 3 is a collection of bug fixes that have been completed since the Flex 2.0.1 Hot Fix 2 was released on April 30, 2007…
This SDK hotfix 3 works only with licensed copies of Flex Builder 2.0.1. It does not support Flex Builder 2.0. You must have installed Flex 2.0.1 Hotfix 2 prior to installing Hotfix 3. Installation instructions for Hotfix 2 can be found in “Flex 2.0.1 Hotfix 2″ (TechNote kb402000).
To see a list of bugs fixed in Flex 2.0.1 Hotfix 3, as well as installation instructions, go check out the technote (kb402381).