also from the psdoom disclaimer & license - " I will not assume any liability for damage caused from running this code. Especially if you are running it as root. In fact, we both know that this will cause damage to the system, and that's why you want to try it. You have been warned. "
i don't know if anyone elses does as well but application casting through vesktop is broken in gaming mode, at least to myself, i know is quite niche, and can be anything, like gamescope, or vesktop itself, but it use to work a few updates ago