huluti [1] filed a deletion request for vivaldi-beta-ffmpeg-codecs [2]: This package is really old and doesn't reflect state of Vivaldi anymore. vivaldi-snapshot-ffmpeg-codecs is the way to go. [1] https://aur.archlinux.org/account/huluti/ [2] https://aur.archlinux.org/pkgbase/vivaldi-beta-ffmpeg-codecs/