Hello Florian,
Thank you for your interest!
If I understood correctly, you need RepeatingGroup items to be of their natural height (i.e. max-content also known as “Fit height to content”). If that’s the case, set Active Slide Height and Inactive Slide Height to zero in the settings of the corresponding RepeatinGroupCarousel element. But items must have “Fit height to content”…
If this is not what you want, may I ask you to post a screenshot of the problem? My next guess is that the problem might be in the RepeatingGroup’s height, but I don’t quite sure what its height should be if not the same as its tallest item…
Here is the editor to see what I’ve suggested to what I understood is the problem: Repeatinggroupsliderexample | Bubble Editor