Re: master 1555453694: Implement `alpha-background' on non-Cairo builds

[Po Lu]

Jose A Ortega Ruiz <jao@gnu.org> writes:

> however, alpha-background doesn't work well in exwm (while alpha does;
> alpha-background tints the background of the window but doesn't show
> the underlying desktop wallpaper). that might well be a problem in exwm
> rather than on emacs's side, though.

It will only work on a composited display.  You could try running
compton (or some other lightweight compositing manager that doesn't come
with its own window manager) under exwm, and see if that works.

Thanks.