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by mroche 457 days ago
I'm still hopeful that RHEL will find a way to integrate dnf system-upgrade in the future, but it's not a trivial undertaking. As long as the transaction can resolve cleanly, it's technically possible to do. But it doesn't mean you'll have a properly configured system when it boots up. Tools like leapp and its derivatives (ELevate) do a bit more under the hood work to ensure a complete upgrade. Fedora itself only ever supports and tests up to a two version bump for system upgrades, e.g. 40 -> 42, 41 -> 43, etc. RHEL major releases are jumping (at minimum) six Fedora releases.

https://almalinux.org/elevate/