Vitrum-cnkj34kr8 [1] filed a orphan request for ibus-kmfl [2]:

Maintainer didn't answer to my mail of 2018-03-17 with patches to the new version. The package is outdated at least from Dec. 2017.

[1] https://aur.archlinux.org/account/Vitrum-cnkj34kr8/ [2] https://aur.archlinux.org/pkgbase/ibus-kmfl/