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Debian Releases > Debian Bookworm

Bookworm is the development codename for Debian 12, released on 2023-06-10.

It is the current stable distribution.

Debian Bookworm Life cycle

Before the release

See Bookworm 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 officially supported for bookworm:

New Features

See New In Bookworm

Packages & versions

Desktop Environments

Debian 12 Bookworm ships with several desktop environments, such as:


Debian 12 Bookworm includes numerous updated software packages (over 67% of all packages from the previous release), such as:


The selected artwork theme for Bookworm is Emerald, designed by JulietteTaka.


Q) What should I use in sources.list for Bookworm?
  • deb bookworm main
    deb bookworm-updates main
    deb bookworm-security main
  • You may of course add contrib, non-free and/or non-free-firmware if needed, or select a different mirror.

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

See also: