Here “supports” means “does not result in itself in a loss of support coverage”. It's been possible to do it in an unsupported fashion before.
1. Restart is ok: automatically apply all security updates as they come out ("dnf-automatic), then restart if required ("needs-restarting -r").
2. Restart is not ok: automatically apply all kernel patches as they come out("kpatch auto")
However its o my going to work on rhel 10 or anything that has very very up to date DNF version.
Here “supports” means “does not result in itself in a loss of support coverage”. It's been possible to do it in an unsupported fashion before.