aka NET_WM_WINDOW_TYPE_POTATO
Currently Slack is not showing on the alt-tab cycle menu. This is due to Slack setting NET_WM_WINDOW_TYPE = NET_WM_WINDOW_TYPE_MAIN, which is a non-standard value. Xfwm should gracefully fallback to doing something sensible when this happens.
aka NET_WM_ WINDOW_ TYPE_POTATO
Currently Slack is not showing on the alt-tab cycle menu. This is due to Slack setting NET_WM_WINDOW_TYPE = NET_WM_ WINDOW_ TYPE_MAIN, which is a non-standard value. Xfwm should gracefully fallback to doing something sensible when this happens.