Yea it would make sense considering that it does that only with my project, but I am only using the events that way :
On Gamepad 0 button A pressed then blablabla
Is Gamepad 0 button A down then blablabla
Also, I don't think it would come from events because my controller events are all spread over the "master" event sheet, and none are responding anymore when I launch the project with this specific version of NW.js. Even not when I create the most simplest thing to test it. Just looks like it is not recognized anymore.
If later on I see that it really does create compatibility issues after the export then I will share the project.