MarsSeed [1] filed a deletion request for ros-noetic-stage [2]: Fails to build.
Upstream is not maintained since 2020 [a]; last release was made in 2017. [b] ROS1/Noetic packages are also broken on and not compatible with Arch Linux, and only work with the old runtimes of the EOL Ubuntu 20.04 LTS. [a]: https://github.com/rtv/Stage [b]: https://github.com/rtv/Stage/tags [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ros-noetic-stage/
