Xorg [1] filed a request to merge memtest86-efi-beta [2] into memtest86-efi [3]:
MemTest86 6.0.0 has been released (package memtest86-efi), so package memtest86-efi-beta is now useless. Thank in advance. [1] https://aur.archlinux.org/account/Xorg/ [2] https://aur.archlinux.org/pkgbase/memtest86-efi-beta/ [3] https://aur.archlinux.org/pkgbase/memtest86-efi/
