Using iOS version, the UI and model didn't fade out when the object is lost track. It works fine in Unity Editor and Andriod Platform.Please advise.
The following is environment details:
Unity 2019.2.14f1 (64-bit)
iPad Pro(12.9-inch)(3rd generation) Software Version 13.3.1
Model Target Generator 8.6.7
I download the package from vuforia developer portal.