Well, distros haven't really put any effort into making it viable as far as I know. They really should! Why isn't there a standard Linux package format that all distros support? Flatpak is fine for user GUI apps but I don't think it would be feasible to e.g. distribute Rust via a Flatpak.
(And when I say fine, I haven't actually used it successfully yet.)
I think distros don't want this though. They all want everyone to use their format, and spend time uploading software into their repo. Which just means that people don't.
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Well, distros haven't really put any effort into making it viable as far as I know. They really should! Why isn't there a standard Linux package format that all distros support? Flatpak is fine for user GUI apps but I don't think it would be feasible to e.g. distribute Rust via a Flatpak.
(And when I say fine, I haven't actually used it successfully yet.)
I think distros don't want this though. They all want everyone to use their format, and spend time uploading software into their repo. Which just means that people don't.