fcitx4[1] is outdated and orphaned, and fcitx-4.1.0 is already in [extra] .
fcitx4vim[2] is orphaned and based upon fcitx-3, and AFAIK the patch has already been merged into upstream.
[1] - http://aur.archlinux.org/packages.php?ID=43279 [2] - http://aur.archlinux.org/packages.php?ID=31246
