acxz [1] filed a orphan request for ogre-1.9 [2]: This package has been outdated for more than a year. Version 1.9.1 has been release for ogre as such I would be willing to update/maintain this package. This package also causes dependent packages like ros- melodic-gazebo-plugins to fail. [1] https://aur.archlinux.org/account/acxz/ [2] https://aur.archlinux.org/pkgbase/ogre-1.9/