Erus_Iluvatar [1] filed a deletion request for magiclauncher [2]: No longer maintained, does not work with recent Minecraft/Java versions. https://github.com/sp614x/optifine/issues/2289#issuecomment-518318427
[1] https://aur.archlinux.org/account/Erus_Iluvatar/ [2] https://aur.archlinux.org/pkgbase/magiclauncher/
