I’m still not sure I understand a definitive source for the thumbnail. And now I’m seeing that Featured Image is the thumbnail. Should this still behave properly? I have child pages that don’t show the featured image as the thumbnail in the loop-child.
Just discovered that you need to add thumbnail support individually for posts and pages. . . is that correct, and is that why just setting a Featured Image doesn’t automatically give the page a thumbnail in the loop-children? (By the way, it still seems like it’s not working. Does the graphene-option Slider image have to be set to a particular value?)
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