http://msmvps.com/blogs/carlosq/archive/2008/10/23/new-extensibility-assembly-in-visual-studio-2008-sp1.aspxI have discovered today by chance that there was a new assembly EnvDTE90a.dll on my machine, whose namespace EnvDTE90a is documented in the MSDN docs: EnvDTE90a Namespace http://msdn.microsoft.com/en-us/library/envdte90a.aspx As you may know, the commonenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://msmvps.com/blogs/carlosq/archive/2008/10/23/new-extensibility-assembly-in-visual-studio-2008-sp1.aspx#1651892Fri, 24 Oct 2008 15:10:07 GMTd67277c4-116b-43f1-b688-e9ef184ea916:1651892Visual Studio Hacks<p>My latest in a series of the weekly, or more often, summary of interesting links I come across related to Visual Studio. Scott Guthrie posted the latest installment of links for ASP.NET, Visual Studio, WPF and Silverlight . Vance Morrison posted links</p> <img src="http://msmvps.com/aggbug.aspx?PostID=1651892" width="1" height="1">