Hi!
Sounds weird.
We have just released a major update for the Unity SDK. Please check the new samples and see if they work. If there’s still a problem, please record a video with what you are doing using OBS or some other screen capture software and I will take a look at it.
Tobii Unity SDK for Desktop 3.0:
Download:
https://github.com/Tobii/UnitySDK/releases
Documentation:
https://tobii.github.io/UnitySDK/