Will Cooke has posted a message on Ubuntu Insights which indicates the next release of Ubuntu, version 18.04, will use Xorg as the default display server with Wayland as an alternative option. This is a reverse of the situation users experienced when running Ubuntu 17.10 where Wayland was made the default desktop session option. "17.10, released in October 2017, ships with the Wayland based graphics server as the default and the Xorg based equivalent is available as an option from the login screen. When we started out on the GNOME Shell route for 17.10 (Artful Aardvark) we knew that we needed to have Wayland as the default option otherwise we wouldn't know if it would work well for our users in the LTS only 6 months later. The LTS is supported for five years meaning that we need to be certain that what goes out the door on release day will be maintainable and sustainable for the duration and will serve all our users and customers needs, which is no mean feat. As we are roughly half way through the Bionic development cycle, the time was right for us to review that decision and make a call on whether or not Wayland is the right default display server for Bionic. We have decided that we will ship Xorg by default, and that Wayland will be an optional session available from the login screen." The rational for using Xorg as the default display server is covered in Cooke's post.