http://blogs.msdn.com/b/endpoint/archive/2009/07/21/migration-guidance-for-the-wf-developer-beta-1-part-2.aspxAbout six weeks ago, the WF team published up the first four WF3-&gt;WF4 migration guidance documents , aimed at helping WF developers prepare and think about the new WF object model runtime. Today, we published the next three documents in the seriesen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/endpoint/archive/2009/07/21/migration-guidance-for-the-wf-developer-beta-1-part-2.aspx#9844660Wed, 22 Jul 2009 13:04:03 GMT91d46819-8472-40ad-a661-2c78acb4018c:9844660Aggelos Mpimpoudis<p>Thank you very much!</p> <p>Aggelos Mp.</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9844660" width="1" height="1">