The time has come: Joomla 2.5 official support will come to an end. On December 31st 2014.
Joomla 2.5 will reach its official End-Of-Life and will be officially deprecated.
This could have serious and detrimental effects to your current Joomla websites future.
Joomla 2.5 was released on January 20th 2011.and has been with us now for almost 4 years.
In 2012, Joomla 3 was released with enhancements and many new features. Joomla 3.X.X has become stable and a more friendly and usable system. The day has come and has been known for quite some time already for you to seriously consider the upgrading of your website.