Extensible enums: Breaking change for .NET libraries that you need to be aware of

A while back I wrote a blog post describing the Extensible Enums - a new feature that is part of Dynamics 365 for Operations: http://kashperuk.blogspot.com/2016/09/development-tutorial-extensible-base.html I explained that when marking an enumeration as extensible, the representation of this enum under the hood (in CLR) changes. Here's the specific quote: The extensible enums are represented in