Yesterday I upgraded from 11.4 to OpenSUSE 12.1. I’m not fond of the new Gnome interface, but everything works, so I’ll get used to it. What didn’t work (in one go) was the squeezeboxserver. I had to:
ln -s /usr/lib/perl5/vendor_perl/Slim/ /usr/lib/perl5/vendor_perl/5.14.2/Slim
as found on this page.