Apple Watch Series 12 Adds 5 New-Feature Hacks as Native Step Counting Arrives

Q: How does the Series 12 summarize your private conversations without leaving a trace?

It does not keep a normal recording or full transcript. On Series 12, Siri Recap works by sending ambient audio into a hardware-isolated “Secure Exclave” on the watch’s S11 chip, where the raw audio cannot be accessed by watchOS, apps, the user, or Apple. The watch detects a conversation, briefly buffers the sound in that protected area, encrypts it, and securely passes it to the paired iPhone’s own Secure Exclave. The raw audio is then deleted. On the iPhone, Apple says the speech is turned into text on-device, then compressed into a much shorter, stripped-down version that removes filler, repetition, and other nonessential details. That condensed text — not the audio and not a verbatim transcript — is what goes to Apple’s Private Cloud Compute to generate a high-level summary. Apple says the resulting recap is designed to omit especially sensitive material such as financial data, authentication details, government ID numbers, and some personal identifiers. The “without leaving a trace” part is only partly true. Apple says no accessible audio recording exists, and no shareable raw recording is created. Unsaved recaps can auto-delete after up to seven days, and Live Rewind snippets disappear unless saved. But a summary can still remain if the user saves it in the Siri app, exports it to Notes or Journal, or syncs it through iCloud. Those saved recaps are end-to-end encrypted, and users can edit or delete them at any time.

3 articles · Updated · Lifehacker · Nov 13

Five new tips for Apple Watch Series 12 focus on features older models lack, including native step counting, Siri Recaps, upgraded gestures and the new AI-based Siri.
Series 12 can now count steps natively; users can add a Steps complication from Activity to turn the watch face into a simple pedometer.
Siri Recaps—an audio-summary feature now in beta—work best when switched on only for a single, structured conversation, then edited soon after because they can miss names and mix contexts.
Gesture shortcuts remain central: wrist flick closes screens, double pinch opens notifications or Smart Stack cards, and Accessibility settings let users remap a clench to the Digital Crown, Control Center or Siri.
The new Siri also supports quick control tweaks: covering the screen stops long spoken answers, while setting Silent responses on iPhone lets users read replies instead of hearing them.