> Try updating gnome-session to 3.20.2 and see if your GuixSD / GNOME
> system still works. Please ask for help on #guix on freenode if you
> need
> help doing that.
> 
> If not, I will just push the update later today or tomorrow and wait
> for
> bug reports.

This is the patch to update the version of gnome-session to 3.20.2.

GuixSD and GNOME works fine after install gnome-session-3.20.2.

Thanks