Changelog for libcalendaring-devel-4.9.2-lp150.6.1.x86_64.rpm :

* Mon Feb 23 2015 Jeroen van Meeuwen - 4.9.1-1- New upstream version 4.9.1
* Fri Aug 03 2012 Jeroen van Meeuwen - 4.9.0-1- New upstream version 4.9.0
* Wed Jul 25 2012 Jeroen van Meeuwen - 4.9-1- This too is a package