yochananmarqos [1] filed a deletion request for hardinfo-gtk3 [2]: There's really no point in this package. There is no stable release with gtk3 support. hardinfo-git is built with gtk3 support.
[1] https://aur.archlinux.org/account/yochananmarqos/ [2] https://aur.archlinux.org/pkgbase/hardinfo-gtk3/