It sounds like libunity-core-6.0-9 did not get updated for some reason.
Could you give the output of the following: apt-cache policy unity apt-cache policy libunity-core-6.0-9
With trusty-proposed enabled, what happens if you type: sudo apt-get install libunity-core-6.0-9
It sounds like libunity-core-6.0-9 did not get updated for some reason.
Could you give the output of the following:
apt-cache policy unity
apt-cache policy libunity-core-6.0-9
With trusty-proposed enabled, what happens if you type:
sudo apt-get install libunity-core-6.0-9