Apple has started rolling out the first developer betas of iOS 27.3 and watchOS 27.3, bringing the Audio Intelligence tools announced in September into wider testing. On Apple Watch Series 12 and Ultra 4, Live Rewind lets users double-tap the Digital Crown to see a text snippet of the previous 15 seconds of nearby conversation, while Siri Recap generates bullet-point summaries of discussions. Both features process audio on-device, and Apple says they should not meaningfully affect battery life. The update also expands some Apple Intelligence capabilities to China and refreshes the Health app, with a public release targeted for December. Early feedback will matter, especially around privacy expectations for always-available microphones on the wrist.