Border flickering unfocused window

[huyhoang8398]

The border of unfocused window is flickering

https://user-images.githubusercontent.com/25379882/128417106-62a14fb0-9d23-46bd-a444-3f797db27187.mp4

[zjeffer]

Please provide some more information:

• Your bspwmrc and other relevant config files
• Does this happen all the time?
• Does this happen with every application or just the application you're showing in the video (I'm guessing Chrome)?
• ...