Complex sentence: Ubuntu 16.04 LTS, due to be released in April 2016, is expected to include Unity 8 running natively on Mir by default and to use systemd instead of Upstart as its init system.
Split into simpler sentences: Ubuntu 16.04 LTS, due to be released in April 2016, is expected to include Unity 8 running natively on Mir. It will use systemd instead of Upstart as its init system.