Neptune 4.5.4 is here four months after the release of Neptune 4.5.3, which was launched on the first day of 2017, and it includes lots of updated components, all the latest security fixes released upstream in the Debian GNU/Linux repositories, as well as various other improvements and bug fixes. Among the updated components shipped with the new ISO snapshot of Neptune Linux, we can mention the LibreOffice 4.3.3 office suite, VirtualBox 5.1.4 virtualization software, Mesa 13.0.4 3D Graphics Library, Chromium 57 web browser, VLC 2.2.4 media player, and Icedove 45.6 email and news client.