It is a question when using Vuforia's Classic license.
For example, suppose we are publishing the App developed with Unity 2017.X as a Vuforia Classic license.
If we upgrade to Unity, the version of Vuforia SDK will be up.
In this situation we have the following questions.
· If we update version of Unity, Vuforia SDK will be upgraded, so do we have to purchase the Classic license again?