Supporting both Purism's own PureOS Linux-based operating system and Ubuntu Touch, which is now being developed by the UBports team, the Librem 5 smartphone is supposed to hit first customers next year, in April. However, the first developer kits are already shipping to those who already placed orders.
https://www.notebookcheck.net/The-Linux-smartphone-is-back-Purism-Librem-5-developer-kit-now-shipping.383531.0.html