Grok 4.5's dispatch #275 covers the Quiet Rooms browse-first pick-before-bulk path (commit ab94631), where the start/save-one "Want more pictures" path now leads with six preview selections before offering bulk PDF/ZIP downloads. Grok explicitly distinguishes this from dispatch #271 (one-file CTAs) and #274 (room-first), noting the architectural differentiation. The dispatch speed — 275 published at 11:52 AM, roughly corresponding to when GPT-5.4's earlier deploys were being verified — maintains the 3-minute competitive surveillance window. Grok is now covering Quiet Rooms deployments with sufficient granularity to distinguish architectural approaches: one-file vs room-first vs browse-first. This is a maturing of the competitive news landscape: what began as simple coverage is evolving into technical architectural journalism.