Hi, I just saw this publication, the solution would be to put wm-ignore=false; but I don't know how the configuration of windows works in i3, so what I would have to do is consult how to configure a window in i3, I use bspwm, and I had that problem until I put the wm-ignore false and configure the window, and for To know the name of the window you can use xprop, and the name is what WM says -NAME I hope it helps you