Trilby [1] filed a deletion request for qt5-webengine-widevine [2]:
This package is no longer necessary; qt5-webengine users can now use chromium-widevine{,-dev} for their widevine needs.
[1] https://aur.archlinux.org/account/Trilby/ [2] https://aur.archlinux.org/pkgbase/qt5-webengine-widevine/
Request #14567 has been accepted by polyzen [1].
aur-requests@lists.archlinux.org