Okular 0.6.1 liberate
The second maintenance release of the KDE 4.0 series includes Okular 0.6.2. It includes quite a few bug fixes, including more stability when closing a document, and small fixes for the bookmark system. You can read all the fixed issues at http://www.kde.org/announcements/changelogs/changelog4_0_1to4_0_2.php