Qubes OS 4.0.4 has been released!

We’re pleased to announce the release of Qubes OS 4.0.4! This is the fourth stable release of Qubes 4.0. It includes many updates over the initial 4.0 release, including:

  • All 4.0 dom0 updates to date
  • Fedora 32 TemplateVM
  • Debian 10 TemplateVM
  • Whonix 15 Gateway and Workstation TemplateVMs
  • Linux kernel 5.4 by default

Qubes 4.0.4 is available on the downloads page.

What is a point release?

A point release does not designate a separate, new version of Qubes OS. Rather, it designates its respective major or minor release (in this case, 4.0) inclusive of all updates up to a certain point. Installing Qubes 4.0 and fully updating it results in the same system as installing Qubes 4.0.4.

What should I do?

If you installed Qubes 4.0, 4.0.1, 4.0.2, or 4.0.3 and have fully updated, then your system is already equivalent to a Qubes 4.0.4 installation. No further action is required.

Regardless of your current OS, if you wish to install (or reinstall) Qubes 4.0 for any reason, then the 4.0.4 ISO makes this more convenient and secure, since it bundles all Qubes 4.0 updates to date. Please see the installation guide for detailed instructions.

Thank you to all the release candidate users for testing this release and reporting issues!

This is a companion discussion topic for the original entry at https://www.qubes-os.org/news/2021/03/04/qubes-4-0-4/

You have no idea how long I’d been waiting for this.

I want to give a big ‘thank you!’ to the Qubes team for their hard work, and to all the testers and contributers too!

P.S. 427F 11FD 0FAA 4B08 0123 F01C DDFA 1A3E 3687 9494


Thank you guys and girls of Qubes-OS developers team and others.

I already checked the DistroWatch.com and can verify :face_with_monocle: that the release announcement with the Qubes-R4.0.4.x86_64.iso link is there (4.0.3. was not!).

Downloading 4.0.4 now…
Can’t wait to start installing :computer: experimenting and learning more about Qubes-OS.
Very Happy!


Thanks for your time and effort!