Thank you for your answer !
I am using URP on Unity 2020.2.1f1
Maybe I miss understood something.
In order to use your FOW, I created a forward renderer, and then input the FOW rendering feature.
If I am not wrong using 2D lighting require a 2D renderer and this kind of renderer doesn't take as input a renderer feature, so I didn't manage to use your FOW with this renderer.
The FOW that you did in your tutorial is perfectly fine.
Here is a picture of what I managed to do :
Here is what I want :