My Joomla 3 site is not showing the available update
From Joomla! Documentation
Revision as of 12:02, 8 November 2012 by NickSavov
If your Joomla 3.0.x site is not showing the available update in the Joomla! Update component, then within the component, click on Options (button top-right) and make sure that the Update Server is set to Short Term Release.