Release Notes: Compared to the old 2.3.4 stable release, this version features a new modern Web client that integrates Roundcube instead of Horde. It integrates a lot better into existing user directory setups. Security as well as scalability has been greatly improved. It is now possible to scale all functional components of Kolab separately. There is a new unified command line utility for administrative tasks.
Release Notes: This release fixed some bugs including an annoying build error that affected many people and the range header DoS vulnerability in the Apache Web server.
Release Notes: This release not only includes a lot of bugfixes (most of them in the Web client) but also some important security fixes in core components like the Apache HTTPD server, PHP, and Cyrus IMAPd. Users are strongly encouraged to upgrade.
Release Notes: This is the second bugfix release for the Kolab 2.3 series. Most fixes are in the Free/Busy stack and the automatic resource handling. The update to postfix 2.8 brings a lot of new features like postscreen and multi-instance support, however none of them is enabled by default to allow smooth upgrades. The ActiveSync configuration introduced in Kolab 2.3.1 has slightly been reworked and Z-push 1.5.3 makes synchronization with mobile devices more reliable.
Release Notes: This release contains 20 enhancements and fixes compared to 2.2.3.
Release Notes: Twelve enhancements and fixes were made since the previous release.
Release Notes: This release contains about 20 enhancements and fixes compared to the previous release candidate.