Please let me step in for Helga.
I’d love to share an update, but, unfortunately, the solution hasn’t been found yet. I am really sorry!
Autoplay option is available for Slider layout, but it allows you to display only one image at once.
I agree that it would be awesome to add Autoplay feature for Columns layout as well. I’ve created a request in our Wishlist where we’ll keep you informed about any developments - Autoplay for Columns layout