Quote:
The KDE Project is happy to set the first beta of KDE 4.1, codenamed Caramel, free today. KDE 4.1 is intended to meet the needs of a broad range of users and we therefore respectfully request you to get testing Beta 1. Beta 1 is not ready for production use but is in wide use by KDE developers and is suitable for testing by Linux enthusiasts and KDE fans.

http://dot.kde.org/1211898836/
http://www.kde.org/announcements/announce-4.1-beta1.php