MarsSeed [1] filed a request to merge acestream-engine-stable [2] into acestream-engine [3]: acestream-engine-stable is a duplicate of acestream-engine. They are on the same version as of this writing. And I don't see non-stable releases from upstream. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/acestream-engine-stable/ [3] https://aur.archlinux.org/pkgbase/acestream-engine/