I wouldn’t worry about the post id and the revisions most of the time, although I generally tend to turn of auto saving and install a plugin to limit the number of revisions that are saved just to keep the db size down.
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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