SharePoint 2013 RTM is available now. I found few differences between SharePoint 2010 and SharePoint 2013 preview versions. SharePoint 2013 SharePoint 2010 Development Changes In
Month: October 2012
SharePoint 2013 & Office 2013 RTM Available
The RTM of Office 2013 release earlier than many of us Microsoft watchers had been expecting, Microsoft announced – SharePoint 2013 and Office 2013 RTM
How to fix “Cannot connect to the configuration database.”
Problem: When I browse to a SharePoint site, I got the Server Error in ‘/’ Application, Cannot connect to the configuration database. The Analysis: There