eleftg [1] filed a request to merge mpich3 [2] into mpich [3]: Is there any difference between these packages? Apart from the name? [1] https://aur.archlinux.org/account/eleftg/ [2] https://aur.archlinux.org/pkgbase/mpich3/ [3] https://aur.archlinux.org/pkgbase/mpich/