http://developers.de/blogs/damir_dobric/archive/2012/04/30/how-to-improve-wcf.aspxAll of you who think, that there are important features for next version of WCF, you are welcome. Here is the site for feature creation of WCF 5.0 (or whatever) http://aspnet.uservoice.com/forums/147206-wcf-web-services-enCommunityServer 2008 SP1 (Build: 30619.63)