S4KB7mMgdW3XzeFA [1] filed a orphan request for rtl8821au-dkms-git [2]: This driver does not compile on 4.14.x kernels, which is the version shipped by Arch Linux. A week ago, this package is marked as out-of-date. Soon, a GitHub user submitted a pull request to fix the issue, but the GitHub repository owner (same name as the AUR package owner) has not responded. [1] https://aur.archlinux.org/account/S4KB7mMgdW3XzeFA/ [2] https://aur.archlinux.org/pkgbase/rtl8821au-dkms-git/