AchmadFathoni [1] filed an orphan request for ros-noetic-topic-tools [2]: It's been more than 2 months since the maintainer is too occupied to maintain any ros-noetic-* packages and those packages are out-of- date[3] [3]https://github.com/ros-noetic-arch/ros-noetic-desktop- full/issues/20 [1] https://aur.archlinux.org/account/AchmadFathoni/ [2] https://aur.archlinux.org/pkgbase/ros-noetic-topic-tools/