Where is Web API Help Page 5.2.2 nuget packet source code ?

Topics: ASP.NET Web API
Nov 20, 2014 at 9:19 AM
When browsing the master and the different branches on codeplex I can see that the current version is 5.1.0-alpha-0 but yet on nuget we have a 5.2.2 version of the package...I can't understand where it comes from :)