October 11, 2006 -- As was mentioned earlier this week that the fifth maintenance release for the K Desktop Environment was about to surface, today KDE 3.5.5 has been formally released. New in KDE 3.5.5 are notable improvements to Kopete...Also changed in KDE 3.5.5 is sudo in kdesu, numerous speed improvements, and KHTML (Konqueror's HTML) rendering improvements...
http://www.phoronix.com/?page=news_item&px=Mjc5Ng

Release Announcement: http://www.kde.org/announcements/announce-3.5.5.php