mongodb/mongo-csharp-driver — pull request #78 by CaptainCodeman (2012-01-21 18:32:55+00:00)
Title: Use Release build of assemblies for distribution in Nuget package

Should make things just a little bit faster!

See: http://blogs.msdn.com/b/ericlippert/archive/2009/06/11/what-does-the-optimize-switch-do.aspx