Debian “bookworm” Release Information
Debian 12.11 was released on May 17th, 2025. Debian 12.0 was initially released on June 10th, 2023. The release included many major changes, described in our press release and the Release Notes.
The Debian 12 life cycle encompasses five years: the initial three years of full Debian support, until June 10th, 2026, and two years of Long Term Support (LTS), until June 30th, 2028. The set of supported architectures is reduced during the LTS term. For more information, please refer to the Security Information webpage and the LTS section of the Debian Wiki.
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 bookworm:
- 64-bit PC (amd64)
- 64-bit ARM (AArch64)
- EABI ARM (armel)
- Hard Float ABI ARM (armhf)
- 32-bit PC (i386)
- MIPS (little endian)
- 64-bit MIPS (little endian)
- POWER Processors
- IBM System z
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.