MarsSeed [1] filed a deletion request for libgpuarray-git [2]: Deprecated: upstream development dead since 2019. [a] The parent Theano project also ended in Dec 2022. [b] There will be a reboot fork from the PyMC team called Aesara. Theano's libgpuarray package is not needed anymore. [a]: https://github.com/Theano/libgpuarray [b]: https://github.com/Theano/Theano#readme [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libgpuarray-git/