[arch-announce] `base` group replaced by mandatory `base` package - manual intervention required

The `base` group has been replaced by a metapackage of the same name, we advise users to install this package (`pacman -Syu base`), as it is effectively mandatory from now on. Users requesting support are expected to be running a system with the base package. URL: https://www.archlinux.org/news/base-group-replaced-by-mandatory-base-package...