Currently Qubes 4.0 (stable) dom0 is running Fedora 25 and Qubes 4.1 (alpha) dom0 is running Fedora 32. Fedora 33 was just released and Fedora 32 would be maintained only until 4 weeks after the release of Fedora 34. Once the distro reached EoL, no bugs would ever be patched in dom0, unless Qubes devs patch them. I do realize this is not as much of an issue since dom0 doesn’t really connect to internet etc. But it does run the GUI and audio, at least in the current alpha as well. I am mostly worried about security bugs in these components that might never be patched after Fedora EoL.
I was wondering, why we don’t run a rolling distribution in dom0, something like Arch? One argument could be that rolling distributions like Arch are generally “less stable” than non-rolling ones like Fedora and Debian, but at least they would receive updates forever and users would have the freedom to choose when to apply these updates.
I would love to hear what the devs think about this.