The Debian Project is an association of individuals who have made common cause to create a free operating system. This operating system that we have created is called Debian GNU/Linux, or simply Debian for short.

After almost 24 months of constant development the Debian project is proud to present its new stable version 8 (code name Jessie), which will be supported for the next 5 years thanks to the combined work of the Debian Security team and of the Debian Long Term Support team.

Jessie ships with a new default init system, systemd. The systemd suite provides many exciting features such as faster boot times, cgroups for services, and the possibility of isolating part of the services. The sysvinit init system is still available in Jessie.

The UEFI (Unified Extensible Firmware Interface) support introduced in Wheezy has also been greatly improved in Jessie. This includes workarounds for many known firmware bugs.

This release includes numerous updated software packages, such as:

• Apache 2.4.10
• Asterisk 11.13.1
• GIMP 2.8.14
• an updated version of the GNOME desktop environment 3.14
• GNU Compiler Collection 4.9.2
• Icedove 31.6.0 (an unbranded version of Mozilla Thunderbird)
• Iceweasel 31.6.0esr (an unbranded version of Mozilla Firefox)
• KDE Plasma Workspaces and KDE Applications 4.14.2
• LibreOffice 4.3.3
• Linux 3.16.7-ckt9
• MariaDB 10.0.16 and MySQL 5.5.42
• Nagios 3.5.1
• OpenJDK 7u75
• Perl 5.20.2
• PHP 5.6.7
• PostgreSQL 9.4.1
• Python 2.7.9 and 3.4.2
• Samba 4.1.17
• Tomcat 7.0.56 and 8.0.14
• Xen Hypervisor 4.4.1
• the Xfce 4.10 desktop environment
• more than 43,000 other ready-to-use software packages, built from nearly 20,100 source packages.

With this broad selection of packages and its traditional wide architecture support, Debian once again stays true to its goal of being the universal operating system. It is suitable for many different use cases: from desktop systems to netbooks; from development servers to cluster systems; and for database, web, or storage servers. At the same time, additional quality assurance efforts like automatic installation and upgrade tests for all packages in Debian's archive ensure that Jessie fulfills the high expectations that users have of a stable Debian release.