You haven't given much info. Are you up to date? Not partially updated?
I'm 2 months out of date and that's the version I get in my pacmans database.
Code:
pacman -Ss kimageannotator
extra/kimageannotator 0.5.2-1
Tool for annotating images
Could be it's no longer on the mirror. Lets see.
https://archlinux.org/packages/?sort...iner=&flagged=
Bring your machine up to date with
pacman -Syu