Standalone XWayland Makes It For Ubuntu 21.04 Along With Linux 5.11, Mesa 21.0

As part of planning for Ubuntu 21.04 to use Wayland by default when running on the default GNOME Shell desktop, Ubuntu developers were going to evaluate the standalone XWayland work being pursued by Red Hat initially for Fedora in order to ship newer XWayland code without resorting to releasing a new X.Org Server. That standalone XWayland package is now on its way to the Ubuntu archive...