A #WordPress PSA:
If you use ACF free or any of the free versions of Delicious Brains/WP Engine plugins then you will want to read about how to get updates to them in future.
https://www.advancedcustomfields.com/blog/installing-and-upgrading-to-the-latest-version-of-acf/
Note that this does not apply to Pro versions. Only the free versions from wordpress.org or installed using the search in WP Admin.