Thanks for the very thorough write-up, Marie.
Ollie Treend

Thank you, Ollie.

This new feature of ACF is one of the things we will look at in our next round of tests.

We’ll see if it integrates well into the Gutenberg interface. One of my concerns is that it may add inconsistency to the user experience. But I’m saying that without having tried it yet. We’ll see how it goes in practice.