We'll be doing bug fixes for CS6.
I don't know whether this bug will get into that update, since the problem was pretty deep in a component that we license from a third party. The best way to register your vote is to submit a bug report here and ask for the fix to get into CS6:
http://www.adobe.com/go/wish
---------------------------------------------------------------------------------------------------------
Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
---------------------------------------------------------------------------------------------------------