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Latest News / News from 2021 / News -- Debian 11 `bullseye' released
Debian 11 `bullseye' released
August 14th, 2021
After 2 years, 1 month, and 9 days of development, the Debian project
is proud to present its new stable version 11 (code name `bullseye'),
which will be supported for the next 5 years thanks to the combined
work of the Debian Security team and the Debian Long Term Support
team.
Debian 11 `bullseye' ships with several desktop applications and
environments. Amongst others it now includes the desktop
environments:
* Gnome 3.38,
* KDE Plasma 5.20,
* LXDE 11,
* LXQt 0.16,
* MATE 1.24,
* Xfce 4.16.
This release contains over 11,294 new packages for a total count of
59,551 packages, along with a significant reduction of over 9,519
packages which were marked as `obsolete' and removed. 42,821 packages
were updated and 5,434 packages remained unchanged.
`bullseye' becomes our first release to provide a Linux kernel with
support for the exFAT filesystem and defaults to using it for mount
exFAT filesystems. Consequently it is no longer required to use the
filesystem-in-userspace implementation provided via the exfat-fuse
package. Tools for creating and checking an exFAT filesystem are
provided in the exfatprogs package.
Most modern printers are able to use driverless printing and scanning
without the need for vendor specific (often non-free) drivers.
`bullseye' brings forward a new package, ipp-usb, which uses the
vendor neutral IPP-over-USB protocol supported by many modern
printers. This allows a USB device to be treated as a network device.
The official SANE driverless backend is provided by sane-escl in
libsane1, which uses the eSCL protocol.
Systemd in `bullseye' activates its persistent journal functionality,
by default, with an implicit fallback to volatile storage. This
allows users that are not relying on special features to uninstall
traditional logging daemons and switch over to using only the systemd
journal.
The Debian Med team has been taking part in the fight against
COVID-19 by packaging software for researching the virus on the
sequence level and for fighting the pandemic with the tools used in
epidemiology; this work will continue with focus on machine learning
tools for both fields. The team's work with Quality Assurance and
Continuous integration is critical to the consistent reproducible
results required in the sciences. Debian Med Blend has a range of
performance critical applications which now benefit from SIMD
Everywhere. To install packages maintained by the Debian Med team,
install the metapackages named med-*, which are at version 3.6.x.
Chinese, Japanese, Korean, and many other languages now have a new
Fcitx 5 input method, which is the successor of the popular Fcitx4 in
`buster'; this new version has much better Wayland (default display
manager) addon support.
Debian 11 `bullseye' includes numerous updated software packages
(over 72% of all packages in the previous release), such as:
* Apache 2.4.48
* BIND DNS Server 9.16
* Calligra 3.2
* Cryptsetup 2.3
* Emacs 27.1
* GIMP 2.10.22
* GNU Compiler Collection 10.2
* GnuPG 2.2.20
* Inkscape 1.0.2
* LibreOffice 7.0
* Linux kernel 5.10 series
* MariaDB 10.5
* OpenSSH 8.4p1
* Perl 5.32
* PHP 7.4
* PostgreSQL 13
* Python 3, 3.9.1
* Rustc 1.48
* Samba 4.13
* Vim 8.2
* more than 59,000 other ready-to-use software packages, built from
more than 30,000 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, and
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 `bullseye' fulfills the high
expectations that users have of a stable Debian release.
A total of nine architectures are supported: 64-bit PC / Intel EM64T
/ x86-64 (amd64), 32-bit PC / Intel IA-32 (i386), 64-bit
little-endian Motorola/IBM PowerPC (ppc64el), 64-bit IBM S/390
(s390x), for ARM, armel and armhf for older and more recent 32-bit
hardware, plus arm64 for the 64-bit `AArch64' architecture, and for
MIPS, mipsel (little-endian) architectures for 32-bit hardware and
mips64el architecture for 64-bit little-endian hardware.
Want to give it a try?
If you simply want to try Debian 11 `bullseye' without installing it,
you can use one of the available live images which load and run the
complete operating system in a read-only state via your computer's
memory.
These live images are provided for the amd64 and i386 architectures
and are available for DVDs, USB sticks, and netboot setups. The user
can choose among different desktop environments to try: GNOME, KDE
Plasma, LXDE, LXQt, MATE, and Xfce. Debian Live `bullseye' has a
standard live image, so it is also possible to try a base Debian
system without any of the graphical user interfaces.
Should you enjoy the operating system you have the option of
installing from the live image onto your computer's hard disk. The
live image includes the Calamares independent installer as well as
the standard Debian Installer. More information is available in the
release notes and the live install images sections of the Debian
website.
To install Debian 11 `bullseye' directly onto your computer's hard
disk you can choose from a variety of installation media such as
Blu-ray Disc, DVD, CD, USB stick, or via a network connection.
Several desktop environments -- Cinnamon, GNOME, KDE Plasma Desktop
and Applications, LXDE, LXQt, MATE and Xfce -- may be installed
through those images. In addition, `multi-architecture' CDs are
available which support installation from a choice of architectures
from a single disc. Or you can always create bootable USB
installation media (see the Installation Guide for more details).
There has been a lot of development on the Debian Installer,
resulting in improved hardware support and other new features.
In some cases, a successful installation can still have display
issues when rebooting into the installed system; for those cases
there are a few workarounds that might help log in anyway. There is
also an isenkram-based procedure which lets users detect and fix
missing firmware on their systems, in an automated fashion. Of
course, one has to weigh the pros and cons of using that tool since
it's very likely that it will need to install non-free packages.
In addition to this, the non-free installer images that include
firmware packages have been improved so that they can anticipate the
need for firmware in the installed system (e.g. firmware for AMD or
Nvidia graphics cards, or newer generations of Intel audio hardware).
For cloud users, Debian offers direct support for many of the
best-known cloud platforms. Official Debian images are easily
selected through each image marketplace. Debian also publishes
pre-built OpenStack images for the amd64 and arm64 architectures,
ready to download and use in local cloud setups.
Debian can now be installed in 76 languages, with most of them
available in both text-based and graphical user interfaces.
The installation images may be downloaded right now via bittorrent
(the recommended method), jigdo, or HTTP; see Debian on CDs for
further information. `bullseye' will soon be available on physical
DVD, CD-ROM, and Blu-ray Discs from numerous vendors too.
Upgrading Debian
Upgrades to Debian 11 from the previous release, Debian 10 (code name
`buster') are automatically handled by the APT package management
tool for most configurations.
For bullseye, the security suite is now named bullseye-security and
users should adapt their APT source-list files accordingly when
upgrading. If your APT configuration also involves pinning or
APT::Default-Release, it is likely to require adjustments too. See
the Changed security archive layout section of the release notes for
more details.
If you are upgrading remotely, be aware of the section No new SSH
connections possible during upgrade.
As always, Debian systems may be upgraded painlessly, in place,
without any forced downtime, but it is strongly recommended to read
the release notes as well as the installation guide for possible
issues, and for detailed instructions on installing and upgrading.
The release notes will be further improved and translated to
additional languages in the weeks after the release.
About Debian
Debian is a free operating system, developed by thousands of
volunteers from all over the world who collaborate via the Internet.
The Debian project's key strengths are its volunteer base, its
dedication to the Debian Social Contract and Free Software, and its
commitment to provide the best operating system possible. This new
release is another important step in that direction.
Contact Information
For further information, please visit the Debian web pages at https:/
/www.debian.org/ or send mail to .
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