The download site only provide RPM for Fedora 9 i386 and Fedora 10 amd64. My repository provides RPM for Fedora 9, 10 and 11, for i386, x86_64, ppc and ppc64. Previous Fedora versions doesn't have the required dependencies (p.e. : cairo >= 1.5)

As always :

yum --enablerepo=remi install mysql-workbench

Of course, it was build with mysql-5.1.35-1

Those who don't want to upgrade MySQL could use the compatibility library mysqlclient16.

It still doesn't build on PowerPC, so I open Bug #45629 (with a patch proposal).

To be followed on MySQL Workbench 5.1.14 RC2 Online