We may have to dig deeper into the Kubuntu element if this is still a problem for you as on 8.10 Ubuntu with Liferea 1.4.18 I can't reproduce the bug, even using your feeds.
We may have to dig deeper into the Kubuntu element if this is still a problem for you as on 8.10 Ubuntu with Liferea 1.4.18 I can't reproduce the bug, even using your feeds.