Often changelogs have important information on why a package was updated. Other times, they are just humorous:
tzdata (2009n-0ubuntu0.9.04.1) jaunty-proposed; urgency=low
* Add argentinas-dst-2009.diff: Disable DST switch for Argentina tomorrow,
as the Argentina government decided yesterday. Careful planning is boring.
Thanks to Margarita Manterola for the patch! (LP: #453165)
-- Martin Pitt Sat, 17 Oct 2009 14:22:39 +0200