pkghist

Here’s a small utility that I’ve written to make it easier to visualize package changes in a Debian-based system.

Sample output:

2013-03-06 (Wed)

   purged> 13:30  ecryptfs-utils ()
           12:37  ecryptfs-utils (68-1+lenny1)
           12:37  keyutils (1.2-9)
           12:37  libecryptfs0 (68-1+lenny1)
           12:37  libgpgme11 (1.1.6-2)
           12:37  libpth20 (2.0.7-12)
   purged> 12:36  mimms ()
uninstall> 12:36  libmms0 (0.4-2)

2013-02-28 (Thu)

           23:36  mimms (3.2.1-1)
           23:36  libmms0 (0.4-2)

2013-01-30 (Wed)

  upgrade> 17:16  samba-common (2:3.2.5-4lenny15)
           17:16  smbfs (2:3.2.5-4lenny15)
  upgrade> 17:16  samba (2:3.2.5-4lenny15)
  upgrade> 17:16  smbclient (2:3.2.5-4lenny15)
...snipped...

Read more here: https://github.com/boviner/pkghist/