I use Btrfs for my root partition to be able to rollback if something goes wrong after update. XFS: in all other cases, since I hate the lost+found directory on ext4. Although I don't think there's any significant difference between ext4 and xfs in performance and reliability.
EndeavourOS
Actually, many people (or even majority) don't wear it nowadays. It's a protection against heat stroke, and if one doesn't visit a steam room one will be fine, though it's optionally even in a steam room, e.g. I never wore it.
A banya hat
If you want deb packages on arch, you can try use debian container through distrobox.
For 3 days lol, no breakages at all. I've switched from arch after using it for several months but now I just want stable enough distro with latest plasma and btrfs snapshots without hassle and decided to give tumbleweed a try.
OpenSUSE Tumbleweed with KDE
I think the question is about login to the kbin instance through the jerboa app, we're in the jerboa community after all. In this case it's theoretically possible to implement.
At least, https://social.kernel.org/objects/60bcac97-e7c7-4899-a1b6-bb72196cddaf