Historically, web applications have been confined strictly to their browser tabs. If a user navigated away to check their email or write a document, they lost visual contact with your app. While the standard Picture-in-Picture (PiP) API solved this for video playback, it did nothing for interactive content like chat prompts, stock tickers, or music controls. Thanks to the new browser-native Document Picture-in-Picture API , we can now open a floating window containing completely custom HTML layouts. In the latest release of react-hook-lab , we have simplified this transition with the addition of the usePip hook. The Multi-Window React Challenge Opening a secondary window in a React environment introduces tricky challenges: state updates must remain synchronous, portal boundaries must be respected, and styling configurations must be copied over so the new window looks identical to the host app. The usePip hook handles all of these technical details, letting you render portals wit...