Software-update: Qubes OS 4.3.1

Versie 4.3.1 van Qubes OS uitgebracht. Qubes OS is een op privacy en beveiliging georiënteerd besturingssysteem. Het maakt gebruik van security by isolation, wat inhoudt dat de verschillende onderdelen van het OS in aparte VM's draaien. In tegenstelling tot bijvoorbeeld VMware Workstation en Virtualbox is er geen host-OS, maar draaien de VM's direct op de aanwezige hardware. De virtualisatie wordt door bare-metal hypervisor Xen verzorgd en voor de gebruikersomgeving kan onder meer worden gekozen uit Fedora, Debian, Whonix en Windows. Meer informatie over Qubes OS kan op deze pagina worden gevonden. De releasenotes voor deze uitgave kunnen hieronder worden gevonden.

Qubes OS 4.3.1 has been released!

We’re pleased to announce the stable release of Qubes OS 4.3.1! This patch release aims to consolidate all the security updates and bug fixes that have occurred since the previous stable release. Our goal is to provide a secure and convenient way for users to install (or reinstall) the latest stable Qubes release with an up-to-date ISO. The ISO and associated verification files are available on the downloads page.

Announcements

Qubes 4.2 will reach end of life (EOL) on 2026-06-21. If you’re a current 4.2 user who’s been waiting to upgrade to 4.3, the release of Qubes 4.3.1 is the perfect opportunity to do so.Qubes OS User Survey 2026 is now live! Whether you’re a long-time Qubes user or haven’t even installed it yet, we want to hear about your experiences and about what matters to you. Help us make Qubes the best reasonably secure operating system it can be. The survey takes 10-20 minutes and is fully anonymous. We do not collect any data except for the answers you provide. If you’ve ever wanted to influence the development of Qubes, now is your chance. Make your voice heard!

Qubes 4.2 will reach end of life (EOL) on 2026-06-21. If you’re a current 4.2 user who’s been waiting to upgrade to 4.3, the release of Qubes 4.3.1 is the perfect opportunity to do so.

Qubes OS User Survey 2026 is now live! Whether you’re a long-time Qubes user or haven’t even installed it yet, we want to hear about your experiences and about what matters to you. Help us make Qubes the best reasonably secure operating system it can be. The survey takes 10-20 minutes and is fully anonymous. We do not collect any data except for the answers you provide. If you’ve ever wanted to influence the development of Qubes, now is your chance. Make your voice heard!

What’s new in Qubes 4.3.1?

Security updatesBug fixesIncluded Fedora template upgraded to Fedora 43. (Reminder: Fedora 42 has reached end of life.)

Security updates

Bug fixes

Included Fedora template upgraded to Fedora 43. (Reminder: Fedora 42 has reached end of life.)

If you’re upgrading from Qubes 4.2, also see the Qubes 4.3 release notes.

Source: Tweakers.net