over/out events do not get triggered if connectWith is set and two+ sortables exist... (1.10.3)

In the first example (v.1.9.1) we have two connected sortables and the lighter square turns blue while it is dragged outside a sortable:

http://jsfiddle.net/f_lynx/eLyuM/

This is the same code on v.1.10.3, the over/out events do not work untill we explicitly drag the lighter square over the other sortable:

http://jsfiddle.net/f_lynx/eLyuM/3/