If you update to ACF 5, the add-ons are no longer needed as they are all integrated into ACF Pro. But your sites will keep running as-is if you DON’T update to ACF 5 and just leave them all as ACF 4, but they won’t continue to get updates as that is now an outdated version.
Welcome to the Advanced Custom Fields community forum.
Browse through ideas, snippets of code, questions and answers between fellow ACF users
ACF PRO’s Flexible Content field allows you to create smaller pieces of UI and compose them into whole flexible patterns. In our latest article, we show how to use it to create swappable site sections and integrate it all in a theme.https://t.co/ZRocH8oJSp