In its most simplest form, ACF is a UI for saving custom field values to a post object and because most multilingual plugins will create a new post for each translation, it is easy for ACF to work alongside your multilingual website without any configuration needed.
Version: 1.4
Last update: 2019-10-02
License: GPL
Developer: Elliot Condon
Plugin URI: https://www.advancedcustomfields.com/