Debian “bullseye” Release Information

Debian 11.9 was released on February 10th, 2024. Debian 11.0 was initially released on August 14th, 2021. The release included many major changes, described in our press release and the Release Notes.

Debian 11 has been superseded by Debian 12 (bookworm).

To obtain and install Debian, see the installation information page and the Installation Guide. To upgrade from an older Debian release, see the instructions in the Release Notes.

Computer architectures supported at initial release of bullseye:

Contrary to our wishes, there may be some problems that exist in the release, even though it is declared stable. We've made a list of the major known problems, and you can always report other issues to us.

Last but not least, we have a list of people who take credit for making this release happen.