gustawho [1] filed an orphan request for pandoc-bin [2]:

The package has been out of date for a while, multiple new versions have been released since this package was last updated and the current maintainer doesn't seem to be active.

[1] https://aur.archlinux.org/account/gustawho/ [2] https://aur.archlinux.org/pkgbase/pandoc-bin/