A new release in 1.4 series is out. Kamailio (OpenSER) 1.4.2 is based on the latest version of branch 1.4, including many fixes in code and documentation, therefore those running 1.4.0 or 1.4.1 are advised to upgrade. This is a minor release that includes updates since v1.4.1 – configuration file and database compatibility is preserved.

Source tarballs are available at:
http://www.kamailio.org/pub/kamailio/1.4.2/src/

Detailed changelog:
http://www.kamailio.org/pub/kamailio/1.4.2/ChangeLog

Download via SVN:

svn co https://openser.svn.sourceforge.net/svnroot/openser/branches/1.4 kamailio

Tag for this release can be browsed at:
http://openser.svn.sourceforge.net/viewvc/openser/tags/1.4.2/

Project site at SourceForge.net:
http://sourceforge.net/projects/openser/

Modules’ documentation:
http://www.kamailio.org/docs/modules/1.4.x/

What is new in 1.4.x release series is summarized in the announcement of v1.4.0:
http://www.kamailio.org/mos/view/KAMAILIO-v1.4.0-Released

Note: Kamailio is the new name of OpenSER project. First version under Kamailio name was 1.4.0. Older versions will continue to use OpenSER name.