Reported for: WP All Import Multilingual 2.3.0
Overview of the issue
When updating your post translations using WP All Import and the WPML All Import add-on, images in the /uploads/ folder are not updated. Instead, a new image is added. This causes you to end with several instances of the same image.
We don’t have a workaround yet. Our developers are aware of this situation and working on a fix for it.