Pacman update breaks Kalu dependencies

Yes, that should do it.

Here’s a useful page to read about pacman: https://endeavouros.com/docs/pacman/

You might also want to read the manual of pacman with command

   man pacman

It is not the easiest stuff to read, but will give you a lot of information about how to use pacman.

As you probably know by now, pacman is a very important tool in any Arch based distro.