It not only is packaged by a third party but also uses a community-written patch[1] to replace Chrome's built-in sandbox with Flatpak's own sandbox. It's unclea

It not only is packaged by a third party but also uses a community-written patch[1] to replace Chrome's built-in sandbox with Flatpak's own sandbox. It's unclear to me whether Chromium upstream has vetted or is even aware of this modification. [1] https://github.com/refi64/zypak https://github.com/refi64/zypak