> Two weeks ago I successfully installed Wheezy (testing). Yesterday I did the
> latest upgrades, and now my X-Windows display is unreadable.
I just submitted a bug report on this (bug #622761).
I was a little annoyed that this was classified as severity level "normal".
As defined here:
http://www.debian.org/Bugs/Developer#severities
I would say all four of the more severe levels apply, even critical ("makes
unrelated software break"). Oh well.