LESS was added in Visual Studio 2013[1], SASS is in the 2013.2 CTP 2 release[2] [1]http://blogs.msdn.com/b/webdev/archive/2013/11/06/a-high-value-undocumented-

LESS was added in Visual Studio 2013[1], SASS is in the 2013.2 CTP 2 release[2] [1]http://blogs.msdn.com/b/webdev/archive/2013/11/06/a-high-value-undocumented-less-editor-feature-in-visual-studio.aspx http://blogs.msdn.com/b/webdev/archive/2013/11/06/a-high-val... [2]http://blogs.msdn.com/b/webdev/archive/2014/02/25/announcing-new-web-features-in-visual-studio-2013-update-2-ctp2.aspx http://blogs.msdn.com/b/webdev/archive/2014/02/25/announcing...