I just shipped a new version of Heroic.AutoMapper.  Unfortunately, AutoMapper 4.2.0 introduces some breaking changes between 4.1.0 (semvar, anyone?), and Heroic.AutoMapper was impacted.  That means anything that uses Heroic.AutoMapper is also impacted. [more] Fortunately, the change is mechanical, and a NuGet package update followed by some find-and-replace should have you back up and running. First,…