Changelog for php5-igbinary-devel-1.2.1-2.21.i586.rpm :

* Fri Aug 29 2014 munix9AATTgooglemail.com- update to version 1.2.1
* Compatible with PHP 5.2 - 5.6
* Thu Aug 28 2014 munix9AATTgooglemail.com- update to version 1.2.0
* PECL bug #22614, igbinary_unserialize(FALSE) must return FALSE
* PHP bug #54662, unserializing nested objects cause crash
* Other fixes
* Sat Jan 18 2014 munix9AATTgooglemail.com- switched source to git master
* Fri Dec 28 2012 munix9AATTgooglemail.com- updated to version 1.1.2-dev (should be at least only a rename, because the content is currently the same as in 1.1.1_git201207230808)
* Wed Oct 17 2012 munix9AATTgooglemail.com- initial package for version 1.1.1_git201207230808