MarsSeed [1] filed a deletion request for lib32-gupnp-igd [2]: Not used since mid-2024 by any other AUR packages (last consumer was some lib32-gstreamer plugin build).
Dependency lib32-gupnp was last maintained in 2023, and has been reported in AUR comment in 2024 for failing to build. [a] [a]: https://aur.archlinux.org/pkgbase/lib32-gupnp [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/lib32-gupnp-igd/
