Nagios Core 3.2.1 has just been released and can be downloaded from www.nagios.org/download. This latest stable release include several bug fixes, including fixes for compilation under Fedora and Solaris and incorrect check scheduling when time changes occur. Changelog is available here.
Nagios Update: XI 5.6.6
Nagios XI update 5.6.6 is now released! This update resolves a number of minor bugs and one security vulnerability fix. This version also includes improvements