lonaowna  filed a request to merge motion-mrdave-git  into motion :
mrdave is now the official Motion maintainer
The "motion" package in the AUR tracks the official/his current repository. This one is obsolete.
 https://aur.archlinux.org/account/lonaowna/  https://aur.archlinux.org/pkgbase/motion-mrdave-git/  https://aur.archlinux.org/pkgbase/motion/
Request #10405 has been rejected by Eschwartz :
this is a git package, and should be merged with a motion-git package if anything.