Dynamic dropdown select values depending on other custom field value

No plugins. You’ll have to build it yourself, using a JavaScript library. Basically, you’ll need to use an onchange() event on the main dropdown, then get the value and check an array of values for that specific value. If you search for a library, look for “chained select” or “linked select”. Another solution would be … Read more

Using advanced custom fields from one custom post type in another custom post type / using nested shortcodes

I think that, as you are using a Relationship model in your ACF settings, you have to iterate through the elements on your page. For that reason, you can simply use the code from the ACF docs, and add it to your single.php or page.php. https://www.advancedcustomfields.com/resources/relationship/ If you still want to use shortcodes, you can … Read more