I need a few more details to understand the situation better.
Do I understand correctly that you are setting the Featured Image for the translated page directly in the WordPress editor?
If so, this is not necessary. When you translate a post from the original page, the featured image is automatically copied and synchronized with the translation.
No, my goal is not to use a different image, I want it to use the same image as on the original page, but simply the images disappear by themselves. I use elementor to make pages!
Could you please provide the exact steps you follow when doing this? I want to make sure I fully understand your workflow.
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What are the steps to make the Featured Image disappear for post translation? I have updated the post multiple times in the original language and the same in the translation, but the featured image is still there.
I don't even know, there were simply no photos and then I had to add them again and they disappeared again. I am saying this for the Serbian version of the site. Now I see you managed to get the photos back, may I know what you did?