I'm using Wayland on Archlinux and despite I run currently no legacy software Xwayland is active:
$ xlsclients
gsd-xsettings
mutter-x11-frames
Therefore Xwayland is running and consuming 164 Megabyte of RSS. Despite I don't run applications depending on X11. I suspect the file /etc/xdg/autostart/org.gnome.SettingsDaemon.XSettings.desktop is the cause: [Desktop Entry]
Type=Application
Name=GNOME XSettings
Exec=/usr/lib/gsd-xsettings
OnlyShowIn=GNOME;
NoDisplay=true
X-GNOME-Autostart-Phase=Initialization
X-GNOME-Autostart-Notify=true
X-GNOME-AutoRestart=true
X-GNOME-HiddenUnderSystemd=true
If I guess it right this should help X11 based applications to get the needed settings. Probably /org/gnome/mutter/experimental-features with autoclose-xwayland is what I want. I assumed that is already the default - wrong assumption. Xwayland remains available for stuff like legacy software (various games from Steam) and doesn't consume resources when not required. I wouldn’t be surprised if legacy games ship in future (ten years or more…) with a built-in Xwayland-Wrapper or something similar.Sure, you could say the same about IE6.
> Wayland is a broken vanity project by a minor amateur maintainer
Despite its flaws, Wayland is a widely adopted production-ready project made by Xorg maintainers and nearly everyone else who has been seriously working on the graphics stack on Linux in the past 5 years. There is a good chance that Wayland is running in your car's infotainment system.
Also I am sure Wayland will never be ported to AIX, you know, the UNIX used by many large finance companies. BSDs are having a hard time with it due to Linuxisms.
That said, how much user facing graphical stuff runs on AIX? That is a genuine question because I don't know and it sounds like you do.
Xorg works, has always worked, and will continue to work
Wayland is a broken vanity project by a minor amateur maintainer