Debian Server 12 Bookworm Update Version 12 (bookworm)

Debian 12 (bookworm) is the new stable release, with 5 years of support, updated core packages, and major installer and upgrade guidance. It adds `non-free-firmware`, reintroduces Secure Boot on ARM64, and changes defaults such as `bookworm-security` and merged-usr only.

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Product Information

Vendor: Debian

Product: Server

Product type: Software

Application category: Utilities

Platform: Linux

Variant: 12 Bookworm

Version: 12 (bookworm)

Vendor information published: Jun 10, 2023

Original release notes: View on vendor site

Published on updatealert.io: Jul 31, 2026