Thanks for your feedback so far! We are working to add more features as we go, and the ability to sort to see newest content at the top is coming soon. @Breaking The Walls You can select a new cover image for your collections (sets) in your Catalog manager.  Select the collection you want to update, and click the tiny thumbnail next to the collection name (purple arrow below). Then, pick the image you want to be the new cover. Done!        
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