For anybody who has this here's what has just worked for me. Based off this blog post and this old arch linux bug the suggested fix is to run;
- Code: Select all
...to update font cache. Well tickle me sideways, it worked! Hope this helps someone out as much as it's just done for me.
Next question is; is this a distro issue or a KDE issue, or both, and where to (re)file a bug report?