Ubuntu 18.04 LTS "Bionic Beaver" is here and brings quite a few changes to the OS. Users upgrading from 16.04 LTS will notice quite a few aesthetic changes; 18.04 LTS brings the switch back to the GNOME desktop to the long-term support version of the most popular Linux distro. Some other tweaks under the hood bring support for modern hardware features as well.
https://www.notebookcheck.net/Ubuntu-18-04-LTS-Bionic-Beaver-now-available.301388.0.html