I've been building Drupal 8 sites with Layout Builder over the past year. One feature that I think is missing is the ability to group specific fields inside a wrapper for enhanced theming; a layout within a layout if you will.
There are a few issues open in core for this feature but these seem to be just in the planning stage right now. There are some workarounds to achieve this feature.
- Create a view with an argument that just renders the fields in context to the entity item they are a part of.
- Use an entity view via the contrib. module, Chaos Tool Suite, AKA Ctools.
It is the second solution above that I will write about here as it is my favorite one and one which a developer friend of mine told me about. The idea behind Entity View is that you add some fields ...