Lelouch [1] filed a orphan request for natron-bin [2]:

The package is flagged "out of date" since one month and the maintainer doesn't update it, although the package is totaly broken but can be fixed very easy.

[1] https://aur.archlinux.org/account/Lelouch/ [2] https://aur.archlinux.org/pkgbase/natron-bin/