Part I - Living it
Bottom line #1: Don't make a System Update blindly.
Bottom line #2: Don't make non-security updates "just because you can".
With a supplementary GNOME repository added (see this one) and all my usual repositories "on" (see this article), I proceeded to a "System Update" (from YaST).
Bad idea. Really.
What happened after upgrading from GNOME 2.12.0 to GNOME 2.12.2?
(I also got nice icons from Tango, but that was a good one!)
Full Story .