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by ploxiln 1310 days ago
(without having read the article) after-update filesystem rollback sounds like what Suse has offered for about 10 years: https://www.suse.com/c/introduction-system-rollbacks-btrfs-a...

There just hasn't been much demand for it. There are a bunch of other mechanisms used instead, like redundant systems and gradual rollouts, working with full system images (or container images) instead, etc.

For personal-ish systems, things are reliable enough, and if there is a problem you can't just stop updating, you'll need to fix it soon anyway. I've been updating a debian install on my home fileserver for 3 major debian releases, 5+ years ...