Translation(s): English - Español - Français - Italiano - Indonesian - Português (Brasil) - Русский - Українська - Korean

Debian Releases > Debian Bullseye

Bullseye is the development codename for Debian 11. It was superseded by Debian Bookworm on 2023-06-10.

It is the current oldstable distribution.

Debian Bullseye Life cycle

Before the release

See Bullseye freeze timeline and policy for more information.

Release and updates


Read "Bits from the release teams" emails and arch_qualify page

A total of nine architectures are supported:

New Features

See New In Bullseye

Packages & versions

Desktop Environments


Debian 11 bullseye includes numerous updated software packages (over 72% of all packages in the previous release), such as:


The selected artwork theme for Bullseye is Homeworld, designed by JulietteTaka.


Q) What should I use in sources.list for bullseye?
There is a change in the security repository compared to prior releases.
  • deb bullseye main
    deb bullseye-security main
    deb bullseye-updates main
  • You may of course add contrib and/or non-free if needed, or select a different mirror.

Q) Which ''Toy Story'' character is Bullseye?

see Wikipedia page

See also: