MarsSeed [1] filed a deletion request for mdadm-patched-intel-rst [2]: Abandoned, outdated variant/duplicate from 2022 of Arch/core/mdadm. [a]
If there happens to be a bug in upstream mdadm, one should open a ticket with them, and possibly at Arch GitLab, if relevant, instead of duplicating core repo packages on AUR. [a]: https://archlinux.org/packages/?q=mdadm [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/mdadm-patched-intel-rst/