z3ntu [1] filed a request to merge ion [2] into ion-git [3]: Upstream has decided a while ago, that the software isn't release- ready yet (https://github.com/redox- os/ion/commit/b07029d33602b97c42a210d79e12c4460836aef2) and this package will just continue as the ion-git package now.
[1] https://aur.archlinux.org/account/z3ntu/ [2] https://aur.archlinux.org/pkgbase/ion/ [3] https://aur.archlinux.org/pkgbase/ion-git/
