One thing that I do know will cause a problem is trying to preview a post that has not been saved. For example, you edit a field and click on the preview link without first saving. The value of the field you just edited will not be save.
Welcome
Welcome to the Advanced Custom Fields community forum.
Browse through ideas, snippets of code, questions and answers between fellow ACF users
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. Read about how we use cookies and how you can control them in our Cookie Policy. If you continue to use this site, you consent to our use of cookies.