Changelog for php5-memcached-2.1.0-1.27.x86_64.rpm :

* Tue Feb 12 2013 munix9AATTgooglemail.com- initial package for version 2.1.0
* Drop support for libmemcached 0.x series, now 1.0.x is required
* Add support for virtual bucket distribution
* Fix compilation against PHP 5.2