phpMyAdmin 3.5.8.1 has been released to fix a number of security problems. Also, the third release candidate for phpMyAdmin 4.0.0 has been released, containing normal bug fixes for 4.0, along with security fixes.
For more details, see the upcoming PMASA-2013-2, PMASA-2013-3, PMASA-2013-4 and PMASA-2013-5.
With version 4.0, the HTML frames are gone and the navigation panel now presents a tree. This version requires Javascript.
Version 4.0 contains many bug fixes and smaller new features; moreover, the documentation has a new look and contains an index.
Details will appear on http://phpmyadmin.net. In a hurry? you can visit https://sourceforge.net/projects/phpmyadmin/files to download.
Marc Delisle, for the team