I would propose that we do not waste any time with GDM, GNOME or anything else that has sprung out of that irresponsible organizations other than gtk.
The reasons being:
1)The same "our way or the highway" as the one taken by the systemd team.
2)Heavy dependence on systemd components, let us not forget that they are the people who forced systemd on Debian because of a hard dependency .
3)Terrible code full of dubious design decisions and bugs.
There are ample alternatives that are not run by irresponsible organizations with heavy ties to systemd and Red Hat.
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Sent from my Android device with K-9 Mail. Please excuse my brevity.