Release Notes for Debian 13 (trixie)

The Debian Documentation Project <https://www.debian.org/doc>.

Last updated on: 2025-09-04

This document is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2, as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, the license text can also be found at https://www.gnu.org/licenses/gpl-2.0.html and in /usr/share/common-licenses/GPL-2 on Debian systems.

• 1. Innledning
  • 1.1. Rapportere feil i dette dokumentet
  • 1.2. Bidra med oppgraderingsrapporter
  • 1.3. Kilder brukt i dette dokumentet
• 2. Hva er nytt i Debian 13
  • 2.1. Supported architectures
  • 2.2. Hva er nytt i distribusjonen?
    • 2.2.1. Official support for riscv64
    • 2.2.2. Hardening against ROP and COP/JOP attacks on amd64 and arm64
    • 2.2.3. HTTP Boot Support
    • 2.2.4. Improved manual pages translations
    • 2.2.5. Spell-checking support in Qt WebEngine web browsers
    • 2.2.6. 64-bit time_t ABI transition
    • 2.2.7. Debian progress towards reproducible builds
    • 2.2.8. wcurl and HTTP/3 support in curl
    • 2.2.9. BDIC Binary Hunspell Dictionary Support
    • 2.2.10. Desktops and well known packages
    • 2.2.11. Plasma 6
• 3. Installasjonssystem
  • 3.1. Hva er nytt i installasjonssystemet?
  • 3.2. Installing Debian Pure Blends
  • 3.3. Cloud installations
  • 3.4. Container and Virtual Machine images
• 4. Upgrades from Debian 12 (bookworm)
  • 4.1. Forberedelser før selve oppgraderingen
    • 4.1.1. Ta sikkerhetskopi av alle dine filer og konfigurasjoner
    • 4.1.2. Gi dine bruker beskjed på forhånd
    • 4.1.3. Prepare for downtime on services
    • 4.1.4. Forberedelse til oppgradering
    • 4.1.5. Forbered et sikkert miljø for oppgradering
  • 4.2. Start from «pure» Debian
    • 4.2.1. Upgrade to Debian 12 (bookworm)
    • 4.2.2. Upgrade to latest point release
    • 4.2.3. Debian Backports
    • 4.2.4. Prepare the package database
    • 4.2.5. Remove obsolete packages
    • 4.2.6. Remove non-Debian packages
    • 4.2.7. Clean up leftover configuration files
    • 4.2.8. The non-free and non-free-firmware components
    • 4.2.9. Avsnittet med proposed-updates
    • 4.2.10. Unofficial sources
    • 4.2.11. Skru av APT pinning
    • 4.2.12. Check package status
  • 4.3. Preparing APT sources files
    • 4.3.1. Legge til APT-kilder for installering fra Internet
    • 4.3.2. Legge til APT-kilder for installering fra lokalt speil
    • 4.3.3. Adding APT sources from optical media
  • 4.4. Oppgradering av pakker
    • 4.4.1. Ta opp hele oppgraderingsrutinen
    • 4.4.2. Oppdatering av pakkelisten
    • 4.4.3. Pass på at du har nok plass til oppgraderingen
    • 4.4.4. Stop monitoring systems
    • 4.4.5. Minimal systemoppgradering
    • 4.4.6. Upgrading the system
  • 4.5. Mulige problem under oppgraderingen
    • 4.5.1. Full-upgrade fails with «Could not perform immediate configuration»
    • 4.5.2. Expected removals
    • 4.5.3. Conflicts or Pre-Depends loops
    • 4.5.4. File conflicts
    • 4.5.5. Configuration changes
    • 4.5.6. Change of session to console
  • 4.6. Oppgrader din kjerne og tilhørende pakker
    • 4.6.1. Installing a kernel metapackage
    • 4.6.2. 64-bit little-endian PowerPC (ppc64el) page size
  • 4.7. Cleanup after the upgrade
  • 4.8. Cleaning up automatically installed packages
  • 4.9. Avleggse pakker
    • 4.9.1. Purging removed packages
    • 4.9.2. Transitional dummy packages
• 5. Problemer du bør kjenne til vedrørende trixie
  • 5.1. Things to be aware of while upgrading to trixie
    • 5.1.1. Interrupted remote upgrades
    • 5.1.2. Reduced support for i386
    • 5.1.3. Last release for armel
    • 5.1.4. MIPS architectures removed
    • 5.1.5. Ensure /boot has enough free space
    • 5.1.6. The temporary-files directory /tmp is now stored in a tmpfs
    • 5.1.7. openssh-server no longer reads ~/.pam_environment
    • 5.1.8. OpenSSH no longer supports DSA keys
    • 5.1.9. The last, lastb and lastlog commands have been replaced
    • 5.1.10. Encrypted filesystems need systemd-cryptsetup package
    • 5.1.11. Default encryption settings for plain-mode dm-crypt devices changed
    • 5.1.12. RabbitMQ no longer supports HA queues
    • 5.1.13. RabbitMQ cannot be directly upgraded from bookworm
    • 5.1.14. MariaDB major version upgrades only work reliably after a clean shutdown
    • 5.1.15. /etc/sysctl.conf is no longer honored
    • 5.1.16. Ping no longer runs with elevated privileges
    • 5.1.17. Network interface names may change
    • 5.1.18. Dovecot configuration changes
    • 5.1.19. Significant changes to libvirt packaging
    • 5.1.20. Samba: Active Directory Domain Controller packaging changes
    • 5.1.21. Samba: VFS modules
    • 5.1.22. OpenLDAP TLS now provided by OpenSSL
    • 5.1.23. bacula-director: Database schema update needs large amounts of disk space and time
    • 5.1.24. dpkg: warning: unable to delete old directory: …
    • 5.1.25. Skip-upgrades are not supported
    • 5.1.26. WirePlumber has a new configuration system
    • 5.1.27. strongSwan migration to a new charon daemon
    • 5.1.28. udev properties from sg3-utils missing
    • 5.1.29. Things to do before rebooting
  • 5.2. Items not limited to the upgrade process
    • 5.2.1. The directories /tmp and /var/tmp are now regularly cleaned
    • 5.2.2. systemd message: System is tainted: unmerged-bin
    • 5.2.3. Limitations in security support
    • 5.2.4. Problems with VMs on 64-bit little-endian PowerPC (ppc64el)
  • 5.3. Obsolescence and deprecation
    • 5.3.1. Noteworthy obsolete packages
    • 5.3.2. Deprecated components for trixie
  • 5.4. Known severe bugs
• 6. Mer informasjon om Debian
  • 6.1. Ytterligere lesing
  • 6.2. Få hjelp
    • 6.2.1. E-postlister
    • 6.2.2. Internet Relay Chat
  • 6.3. Rapportere feil
  • 6.4. Bidra til Debian
• 7. Managing your bookworm system before the upgrade
  • 7.1. Oppgradering av ditt bookworm system
  • 7.2. Checking your APT configuration
  • 7.3. Performing the upgrade to latest bookworm release
  • 7.4. Removing obsolete configuration files
• 8. Bidragsytere til Utgivelsenotatene