Joe Rossignol (iOS/iPadOS release notes, no security, enterprise, no developer):
Apple today released iOS 26.6.2 with a fix for “an issue that prevents downloading a software update over a cellular connection.”
Previously:
Audio Intelligence is a brand-new class of Apple Intelligence features that use the microphones of Apple Watch, the power of Apple silicon, and on-device and cloud-based AI models to help you detect sounds, identify music, and stay present and engaged — all while protecting your privacy at every step.
- Siri Recap: Uses ambient listening to generate high-level notes from conversations, such as takeaways from a team meeting or a parent-teacher conference, producing an Apple Intelligence-generated title, summary, and key points reviewable in the Siri app.
- Live Rewind: Lets users “go back in time for 15 seconds,” transcribing and displaying what was just said in a conversation with a double press of the Digital Crown.
- Shazam: Automatically identifies music playing nearby and surfaces the song title and artist on the Music Recognition widget in the Smart Stack.
- Sound Recognition: Brings sound alerts to Apple Watch for users who are deaf or hard of hearing, listening for sirens, alarms, doorbells, a baby crying, and more, even when their iPhone isn’t nearby.
Apple is emphasizing that all of them are built to prioritize privacy and security using the extensive infrastructure the company has developed to protect its other Apple Intelligence and Siri services. As more and more of these types of features debut, though, the audio intelligence announcements are a reminder that AI-powered tools are becoming increasingly universal in all areas of computing and life.
“These features do not create or store audio recordings, and raw audio used for processing is completely inaccessible to the operating systems, apps, the user, or Apple,” the company wrote in a report shared with WIRED.
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Apple emphasizes that its on-device capabilities for Apple watches have expanded thanks to the company’s new S11 chips. The chips include a special memory-protected space that Apple calls the Secure Exclave. Designed specifically for sensor data, the exclave is an isolated buffer that is inaccessible to the rest of the operating system where Apple Watch can hold and process audio data in a protected space.
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To try to mitigate blatant privacy violations, Apple says that the watch produces an audible chime when a watch owner initiates a Live Rewind transcript to alert other people in the area—even if it is on silent mode or paired with headphones. And the features are built to omit or filter out potentially identifying information about speakers. But the sheer scope and breadth of the tools is extremely noteworthy.
If you want to really take a deep dive on privacy and the new features, Apple has published an 11-page privacy paper that goes even further.
Previously:
Update (2026-09-11): Dr. Drang:
Ron Huang introduced a couple of features of the Series 12 and Ultra 4 that struck me as both disturbing and possibly illegal. They certainly seem at odds with Apple’s commitment to privacy.
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I’m sure Apple will argue that there’s no privacy issue because the recordings aren’t being saved. But if there’s a transcription, isn’t that a type of saving?
And then there’s the question of legality. A great variety of law, both in the United States and across the world, concerns the recording of electronic and in-person conversations. I’m sure Apple has considered this, but I have to think some jurisdictions will frown on Live Rewind. If Apple has to defend it, that’s fine. What’s one more squadron of lawyers to Apple? But if an Apple Watch owner has to defend a transcription made innocently—made with Apple’s encouragement, in fact—that seems like an unfair burden. Maybe Apple should indemnify all future Watch buyers from privacy-related legal action.
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The hoops Apple jumped through to avoid certain words is pretty funny. […] You think your watch records the audio around you? No no no. The audio flows into the Secure Enclave, and flowing is definitely not recording because it’s a different word.
Live Rewind and other Audio Intelligence features do not generate audio recordings. Audio flows into the Secure Exclave, is processed, and then deleted.
According to Apple, Live Rewind text snippets “disappear permanently” from the Apple Watch approximately 30 seconds after the Apple Watch display dims, unless the info is saved to the Siri app.
But good luck explaining that to anyone around you after you read back an exact transcript of what they just said. Apple says they should be sufficiently notified Live Rewind is active because “an audible chime plays from the speaker on your Apple Watch, even if your Apple Watch is on silent or you have headphones connected”, plus the watch plays an animation, but it is not clear to me when this happens. It is not shown in Apple’s video. The impression I get is that Live Rewind is always running in the background and these notifications are only played after you double-click the Digital Crown to look at the text.
This feels like a glimpse of how Apple will market its inevitable wear-anywhere glasses product. I do not think it does enough to assuage privacy concerns. I think normal people will continue to react negatively when you tell them you have been passively recording them because, outside Silicon Valley, that is considered gross and invasive.
I have to admit that the Siri Recap stuff all being “documented” using AI slop is really giving me confidence in the level of care that went into designing this feature
I’m frankly surprised Apple even went through with this feature at this time, considering the bans and backlash other AI-powered surveillance wearables are getting.
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Apple is keen to evidence its trustworthiness, with on-device AI and Private Cloud Compute and an insistence that it doesn’t record or log audio and transcripts. However, if people think they’re being discreetly recorded without their permission, it’s possible Apple Watch wearers could experience their own slice of the abuse hurled at Meta Glasses wearers.
I… y’know, Betteridge’s law does, as always, apply.
Given that Apple has to warn of this, it’s the surest sign the features shouldn’t be released in this form. Apple repeats the form of the warning I see regularly at my gym… but apparently it isn’t heeding it.
Just called my HSA provider and upfront they say that calls may be recorded and transcribed by AI and then provide no means of opting out. So of course the person who finally answered says I have to give my social to verify my identity.
Update (2026-09-14): See also: Core Intuition and Steven Aquino.
Update (2026-09-17): See also: Accidental Tech Podcast.
I was walking home from dinner here in Philadelphia a few weeks ago with a friend visiting from out of town, talking about this, and he stopped midway between the restaurant and my house and asked me to count how many cameras we were on at that spot. I think we counted seven or eight. Who knows how many we missed? I’m not saying that’s good or bad, it’s just the world today. So too it’s soon going to be with personal devices recording audio. This is inevitable. I’m glad to see Apple ship features like this early, with pretty limited scope, to provide good examples before other companies ship devices that record and save audio continuously throughout the day. I think it’s better for Apple to lead with privacy-minded versions of ambient transcripts and AI-generated conversation summaries than to follow after other products have hit the market with all-day recordings and whole-life transcripts.
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I shouldn’t be able to hide my iPhone on or near someone’s desk, or in a conference room, or in a car, or anywhere else, to get Siri Recap summaries of conversations where I’m not present. Making this an Apple Watch exclusive feature avoids that. Thus, I think Apple Watch can be trusted to “listen” ambiently, all the time while it’s unlocked on the wearer’s wrist, in ways that even an iPhone can’t.
I applaud Apple’s decision to make Siri Recap, Live Rewind, and Shazam features opt-in. In the case of Siri Recap, they’ve taken the extra step of allowing you to schedule when and where the feature is active, allowing you to set parameters such as ‘never at home’ or ‘only between ten and six.’ This is the right way to treat a feature this sensitive.
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So why do they creep me out?
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Audio Intelligence appears to me to be the first case of a always-on feature with some of the qualities of surveillance we’ve seen in other products—an enduring record, an uncertainty on the part of others in the room about what’s happening—that also takes care to minimize the privacy harms that seem to be essentially intrinsic to such products. By doing their homework and showing us the receipts, Apple has taken fears of audio recording or even detailed after-the-fact transcripts off the table. But what they’ve left there is a set of questions about social and even legal norms and expectations. They’ve also created a potential problem for Apple Watch users in the form of a newfound suspicion that every word is being recorded unseen.
Update (2026-10-21): James Xander:
Apple’s consent model appears to focus primarily on the device owner. Yet the feature operates in a social environment involving people who may have no idea it’s enabled.
Those people haven’t purchased the watch, reviewed Apple’s privacy explanations, or chosen to participate in an automated note-taking system.
And unlike the watch owner, they have no corresponding control over what happens to their words.
An audible chime doesn’t adequately address this.
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The technology doesn’t need to be abused to change how people behave around it. The possibility is enough.
The new Health Sensing System on Apple Watch Series 12 and Apple Watch Ultra 4 features new optical and electrical heart sensors, enabling higher-frequency heart rate and heart rate variability (HRV) measurements, a new readiness score, a more comprehensive Vitals overview with the addition of HRV, and an updated Heart Rate app.
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Apple Watch Series 12 and Apple Watch Ultra 4 introduce readiness — a new feature that analyzes a user’s recent activity, vitals, and sleep score, and then provides a single 0-10 score each day with a clear, actionable recommendation: Recover, Pace Yourself, Ready, or Go For It. This helps a user decide how to take on their workday or tackle their training plan.
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A new Longevity tab analyzes a user’s longitudinal health data for deeper insights into heart health, sleep, mental wellbeing, movement health, metabolic health, hearing, and nutrition. The tab includes Health Age, a new feature that uses Apple Watch data to show users how their metrics are tracking relative to their chronological age, informed by the best available science.
I wonder how much of this new health stuff will work with older / SE watches… probably not much?
Previously:
Apple (video, MacRumors, Hacker News):
Engineered with the new Health Sensing System and S11 chip, Apple Watch Ultra 4 delivers the most accurate heart rate sensing in a wearable, higher-frequency heart rate and heart rate variability (HRV) measurements, and a new readiness score to support athletes of all kinds. Apple Watch Ultra 4 also offers extended battery life to track outdoor workouts for up to 45 hours and the most accurate on-device GPS in a sports watch.
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For everyday use, Apple Watch Ultra 4 now offers more than two days of battery life, up to 50 hours. In Low Power Mode, it offers up to 84 hours of battery life. Charging is now faster than ever: Just 15 minutes adds up to 18 hours of additional battery life.
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The pedometer model has been completely redesigned with new machine learning algorithms and the S11 chip to provide more accurate distance measurements during indoor walk or run workouts, and more accurate step counts all day.
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Apple Watch Ultra 4 starts at $799.
The Ultra 2 was sold to me as the watch that can do Siri without network connectivity. That was very useful to me to leave reminders for stuff I think about while on a run without the phone.
3 years later, Apple releases the OS 27 versions and Siri got improved to the point where it can’t work on-device any more on said Ultra 2
So to get the feature back which I paid for and which was specifically used to sell me the device and which now has been taken away from me, I just have to… buy the next hardware generation?
And how long will that last before they decide to remove the feature again?
Does it still work offline in the EU?
Previously:
Update (2026-09-24): Adam Chandler:
The Apple Watch Ultra 4 lasted 84 hours with the screen off before I hit 15% battery life remaining. I recharged it in 90 minutes using one of my chargers (not sure if that was fast charging). That’s 3.5 days on a charge…probably could have gotten the full 4 days.
Apple (video, MacRumors, Hacker News):
With the new Health Sensing System and S11 chip, Apple Watch Series 12 delivers higher-frequency heart rate and heart rate variability (HRV) measurements, which power an enhanced suite of health and fitness features including a new readiness score.
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Apple Watch Series 12 is designed to be as individual as the person wearing it and is available in an array of beautiful finishes, including dark bronze, black, light gold, and space gray aluminum, and radiant gold and natural titanium. It is also available in a stunning ceramic material, in pearl white and night blue. Aluminum models now feature Ceramic Shield 2, which is tougher than any smartwatch glass and 60 percent tougher than the Ion-X of previous aluminum models.
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Apple Watch Series 12 continues to offer up to 24 hours of everyday battery life and now offers up to 10 hours of battery life during an outdoor workout — 25 percent more than the previous model.
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Apple Watch Series 12 starts at $399.
It sounds like the S11 is the biggest update to the SOC in a while, but I haven’t seen much coverage of it yet.
Previously:
Update (2026-09-11): Joe Rossignol:
While the Apple Watch Series 12 with a 42mm case maintains a starting price of $399, the 46mm model has received a $20 price increase and now starts at $449.
