I can confirm this bug. I created a file with pinning settings in /etc/apt/preferences.d, but aptitude or the Gnome tools used by Ubuntu ignored it (apt-get worked fine). I moved the contents of the file to /etc/apt/preferences (file) and everything was OK.
I can confirm this bug. I created a file with pinning settings in /etc/apt/ preferences. d, but aptitude or the Gnome tools used by Ubuntu ignored it (apt-get worked fine). I moved the contents of the file to /etc/apt/ preferences (file) and everything was OK.