Jump in VR

Translated with reverso.net
In mixed reality, when you get out of the flight or swimming mode, you start to float in the air without being able to go up or down, you can always resume the flight mode in creative.
https://drive.google.com/open?id=1d7UQkZ3sjGEQOYTydHYhuv3OT-LInV6N
the video is in french