The package libesd0 appears to have been removed in a recent openSUSE
Tumbleweed snapshot. While the package still exists, it's marked as having only
a 32bit version without a 64bit equivalent being present, and is no longer
listed by the software manager in YaST.

https://software.opensuse.org/package/libesd0

This package is still required as a dependency by other packages, such as the
KVirc IRC client. Uninstalling it causes the program to no longer start, and as
a workaround I had to temporarily re-add it from another repository.