Despite the abandonment of the Unity shell and the transition to Gnome, Canonical continues to develop the Mir display server, which was recently released under version 1.5.
Among the changes, one can note the extension of the MirAL (Mir Abstraction Layer) layer, used to avoid direct access to the Mir server and abstraction of access to ABI through the libmiral library. MirAL has added support for the application_id property, the ability to crop windows along the boundaries of a given area, and support for Mir-based servers to set environment variables for starting clients.
The packages are prepared for Ubuntu 16.04, 18.04, 18.10, 19.04 and Fedora 29 and 30. The code is distributed under the GPLv2 license.
Canonical sees Mir as a solution for embedded devices and the Internet of Things (IoT). Mir can also be used as a composite server for Wayland.
Source: linux.org.ru