Thanks to a collaboration between Purism and UBports, the upcoming crowd-funded Librem 5 smartphone now officially supports Purism's own PureOS and Ubuntu Touch. Ubuntu Touch, which was abandoned by Canonical last year, was picked up by the UBports team for further development and may finally find a more permanent home on the Librem 5.
https://www.notebookcheck.net/Librem-5-smartphone-will-officially-support-PureOS-and-Ubuntu-Touch.301016.0.html