Changelog for jansson-devel-2.3.1-1-mdv2012.0.i586.rpm :

* Sat May 05 2012 Alexander Khrukin 2.3.1-1+ Revision: 796627- version update 2.3.1
* Sat Nov 05 2011 Alexander Khrukin 2.2.1-1+ Revision: 721550- imported package jansson