A collection of Subsystems as well as MonoBehaviours and C# utilities for working with the Subsystems. 
Includes: 
• Definitions of Subsystems 
• GameObject menu items for creating an AR setup 
• MonoBehaviours that control AR session lifecycle and create GameObjects from detected, real-world trackable features 
• Scale handling 
• Face tracking
Samples available at https://github.com/Unity-Technologies/arfoundation-samples 
Package version 5.1.0 is released for Unity Editor version 2023.1.
These package versions are available in Unity version 2023.1:
| Documentation location: | State | Versions available: | 
|---|---|---|
| com.unity.xr.arfoundation@5.1 | released | 5.1.0 | 
xr , ar , augmented , reality , utility , utilities , foundation , core , subsystem , xreditorsubsystem , arsimulation