Ubuntu
xfwm4 package

  1. Bug #1827302
  2. Comment #11

Comment 11 for bug 1827302

Revision history for this message
Alistair Buxton (a-j-buxton) wrote :

Slack is setting NET_WM_WINDOW_TYPE = NET_WM_WINDOW_TYPE_MAIN. This value is not defined in the EWMH spec and has zero results on Google.

A temporary work around is to run `xprop -f _NET_WM_WINDOW_TYPE 32a -set _NET_WM_WINDOW_TYPE _NET_WM_WINDOW_TYPE_NORMAL` and then click on the Slack window.