The Debian Development Team has released the fourth point release of Debian 9. In the new Debian 9.4, all the latest patches are included. So if you have already installed Debian 9 then you do not have to download any of the new ISO, just update your system.
In their announcement, the Debian project he says:
“The Debian project is very pleased to announce the fourth update of the Debian 9 stable distribution (codenamed stretch). The point release mainly adds fixes for issues security, along with a few tweaks for serious problems. The patches security have already been published separately.”
Some notable packages that have bug-fixing updates included in this release are: anti-virus clamav, the software printing cups and the debian-installer which comes with a slightly newer kernel. The system flatpak package has also been updated to a newer version.
Download the new ISO (full)
debian-9.4.0-amd64-DVD-1.iso 2018-03-10 12:58 3.7G
or if you prefer some of the live images
debian-live-9.4.0-amd64-cinnamon.iso 10-Mar-2018 13:40 2.0G
debian-live-9.4.0-amd64-gnome.iso 10-Mar-2018 13:40 2.2G
debian-live-9.4.0-amd64-where.iso 10-Mar-2018 13:41 2.4G
debian-live-9.4.0-amd64-lxde.iso 10-Mar-2018 13:38 1.9G
debian-live-9.4.0-amd64-mate.iso 10-Mar-2018 13:37 1.9G
debian-live-9.4.0-amd64-xfce.iso 10-Mar-2018 13:37 1.8G