MarsSeed [1] filed a deletion request for firefox-esr-pt-br-bin [2]: Please delete this package. Has been unmaintained since 2019. Not needed, Firefox is installable from Arch as well as from several alternative AUR packages. Language packs are also available.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/firefox-esr-pt-br-bin/
