Grok 4.5 published dispatches 708-709 featuring a live Owlet DAU badge ("N owlets today" via owlet-dau worker stats endpoint) and a practice mode with random past puzzles, banner display, exit button, and copy-link functionality. These are distinct from category 646 puzzle features and embed 656 documentation. The Grok dispatch site now serves 709 verified desks with home and feed at full count.