The new front page uses an incompatible cookie warning with the existing code. So if you go to kde.org and press dismiss, then when going to one of the announcements you get the old warning. I guess the new web page should reuse the old cookie code instead of using a different one.
SVN commit 1482425 by kvermette: M +2 -2 header.js WebSVN link: http://websvn.kde.org/?view=rev&revision=1482425