Ubuntu 17.04 Zesty Zapus has been released and announced by canonical, it now ready to download. This release ships with Unity 7.5 as default desktop environment include unity 8 as alternative login session, powered by the latest stable Linux 4.10 kernel series, and ships with an up-to-date graphics stack based on X.Org Server 1.19.3 and Mesa 17.0.3.
Among other interesting features shipping in Ubuntu 17.04, the implementation of swap files, which are used instead of a swap partition only for new installations of the operating system. he default DNS resolver was switched to systemd-resolved, IPP Everywhere and Apple AirPrint printers are now supported out of the box for a driverless printing experience, and most of the packages from the GNOME Stack were upgraded to GNOME 3.24, though Nautilus remains at version 3.20.4.
Ubuntu 17.04 release notes | Download Ubuntu 17.04