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Manjaro is experimenting with **opt-out telemetry | Hacker News (More like op-out spying)
(news.ycombinator.com)
This is a most excellent place for technology news and articles.
I highly recommend BTRFS as your root filesystem, and then configure snapshots. This way if an update goes sideways (pretty rare), you can roll back and wait for fixes.
I haven't used Arch for a few years, but my openSUSE Tumbleweed install came with it by default, and it has saved me a few times in the 7 or so years I've used it. Maybe the new instructions include that, idk, but you'll be glad you have it.