I would like every cell to be the same (max) height, but cannot find any configuration of the repeating group and its content that will achieve that. All suggestions are welcome.
It’s difficult to provide specifics without seeing the element hierarchy as well as how the repeating group and its contents are configured, but if what you want is for all cards to be the same height such that each is as tall is the tallest one, then it’s doable…
There might be other tweaks that are necessary for your particular setup, but at least try enabling the following 2 options:
Enable Stretch rows to fill vertical space on the Appearance tab of the RG.