No, that release targets 'all OS versions that 2012 supports'. XP is not in that list. And in fact that link is just the link that the Ars link I posted to points to (whew). The problem with XP is that the CRT in 2012 is not supported on XP, thus any programs you built on it that depend on said CRT would not run on XP.

http://connect.microsoft.com/VisualStudio/feedback/details/6...