![Marco Trevisan (Treviño)](/assets/img/avatar_default.png)
If something (i.e. gnome-shell or an extension) tries to activate an unmanaged window, we should warn about this and avoid to perform further actions as this could lead to a crash of mutter, since the window has not valid flags (like workspace) set anymore at this stage. Fixes https://gitlab.gnome.org/GNOME/mutter/issues/580 https://gitlab.gnome.org/GNOME/mutter/merge_requests/564