it is not mathan's fix, but the fix is in his version of hildon-desktop. I think it is pretty saveto just install his version in PR1.3.

I noticed this fact minutes after upgrading to pr 1.3 and reinstalled my own build of hildon-desktop right away. The pr1.3 version is just a few updates behind on he latest git updates and unfortunately does not have the 'invisible bouncing' fix.