Set image not displaying new titles
If requested on site setup, TitleLeaf generates composite images for Sets without images on a weekly basis.
If a given Set already has a composite image, and a new Title image is ingested, the Set image is not automatically recreated. This would mean that the Set image does not reflect the new Title images.
To remedy, you need to explicitly tell TitleLeaf to regenerate the composite image. Do so by clicking the “Generate composite images” link in the sidebar of a given Set/Assembly: