Jan Grulich wrote:
This happens, because we have new icons, so you have to clear your
icon
cache in ~/.kde/cache-your-hostname and probably run kbuildsycoca4
--noincremental.
We had a small discussion about this issue on IRC. What keeps me puzzled is
that the icons end up stretched that way even though both the old and the
new icons are supposed to be square.
Kevin Kofler