From the Details section of the property tab of my control's dll: File version 9.0.1.38589 Product version 9.0.1.38589
[assembly: AssemblyVersion("9.0.1.38589")] Shows up in reflector.
However, for some reason Manage Add-ons is reporting the control as version 0.0.0.1.
I've been unable to find any information on how this number is determined.