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Apple Watch Ultra 4

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Apple's developer site hosts detailed dimensional drawings for 96 products

Apple maintains a Dimensional Drawings section within the Accessories area of its developer website, offering precise technical schematics for 96 devices. The library covers current and recent hardware including iPhones, Apple Watch models, AirPods, MacBooks, the Siri Remote, AirTag, and Vision Pro accessories like its ZEISS Optical Inserts. Each drawing details exact measurements for buttons, cameras, sensors, speakers, connectors, and keepout zones where certain materials must be avoided.

9to5Mac's Overtime podcast episode 83 covers rumored Apple fitness tracker, M6 Mac mini SSD issue

In episode 83 of the Overtime podcast, hosts Fernando Silva and Jeff Benjamin discuss Apple's rumored screenless fitness tracker and why it appeals to them. Silva also recounts hands-on impressions of the iPhone 18 Pro, Apple Watch Series 12, and Apple Watch Ultra 4, while the pair note disappointing findings on aftermarket SSD upgrades for the M6 Mac mini.

watchOS 27 adds 13 new colors to Apple Watch's Modular face

Apple's watchOS 27 update expands the Modular watch face with 13 new color choices, including Olive, Burgundy, Magenta and Navy Blue, accessible via the Color screen when customizing the face. The update also brings new complications for Daily Steps, Heart Rate, and Readiness, though these are exclusive to Apple Watch Ultra 4 and Series 12.

Apple Watch Ultra 4 adds Readiness bezel option to watch faces

Apple has added a new 'Readiness' bezel configuration to Apple Watch Ultra 4, joining existing options like Seconds, Depth, Elevation and Training. The bezel displays a numerical readiness score and description, using four illuminated bars to show which score category the wearer currently falls into. The feature works with bezel-supporting faces such as Modular Ultra and the new Siri Modular face, and ties into the Readiness app introduced alongside Apple Watch Series 12.

Apple releases watchOS 27.0.1 to fix random restarts on Series 12, Ultra 4

Apple has issued watchOS 27.0.1 to address a bug causing some Apple Watch Series 12 and Ultra 4 devices to restart unexpectedly. Affected users reported diagnostic logs showing a panic-full file tied to a timeout in the watch's Neural Engine. The update can be installed via the Watch app on a paired iPhone or directly on the watch.

Apple issues watchOS 27.0.1 to fix random restarts on Series 12, Ultra 4

Apple has released watchOS 27.0.1, a software update targeted only at Apple Watch Series 12 and Apple Watch Ultra 4 devices. According to Apple's release notes, the update addresses a bug causing some watches to restart unexpectedly. The issue had been reported by multiple users on Reddit and other forums, who described their new watches restarting several times a day.

Apple pauses development of camera-equipped AI pendant, Bloomberg reports

According to Bloomberg's Mark Gurman, Apple has postponed work on a wearable AI pendant that would have included a camera and microphone to feed visual and audio data to Siri. The device was designed to be worn as a necklace or clipped to clothing, serving as an always-on companion to the iPhone. Apple is instead prioritizing AI features on Apple Watch, with AirPods featuring cameras and smart glasses reportedly planned for 2027.

Apple Watch Series 12 and Ultra 4 add Theater Mode heart-rate toggle

Apple's new Watch Series 12 and Ultra 4 use a Health Sensing System that samples heart rate every five seconds instead of every five minutes, requiring the optical sensor's green light to flash almost continuously. To avoid that light being visible in dark settings, Theater Mode automatically slows heart rate readings back to five-minute intervals, but a new setting lets users override this and keep continuous measurements.

Apple refurb store cuts entry 2026 Studio Display by $240 to $1,359

Apple's official refurbished store is now selling the entry-level 2026 Studio Display with a Tilt-adjustable stand for $1,359, down $240 from its $1,599 list price, though supplies appear limited. The deal arrives alongside other launch-week discounts, including AirPods Pro 3 at $50 off timed to iPhone 18 Pro delivery day, early markdowns on the new Apple Watch Ultra 4 and M6 Mac mini, and a $50 discount on the upcoming 2026 Mac Studio ahead of its release.

Apple adds live step-count complication to Watch Series 12 and Ultra 4

Apple has built native live step tracking directly into the watch face on the new Watch Series 12 and Ultra 4, joining live heart rate as a standard complication option from the Fitness app. Previously, step data was only viewable inside the Fitness or Health apps, even though third-party apps like Pedometer++ had offered on-face step counts for years.

Apple's new Watch Series 12 and Ultra 4 drop handwashing timer support

Apple's newly released Watch Series 12 and Ultra 4 do not appear on the supported hardware list for the handwashing detection and timer feature, even though the feature remains active in watchOS 27 and Apple Health on older models like Series 11 and Ultra 3. It's unclear whether this is an intentional hardware limitation or simply an oversight in Apple's documentation.

Apple Watch Ultra 4 barely differs from Series 12 despite $400 price gap

WIRED's testing of the Apple Watch Ultra 4 found it shares nearly all core health and safety features with the new Series 12, thanks to the same Health Sensing System and S11 chip powering both devices. The Ultra 4 retains its multiday battery, Action button, and satellite messaging as its main distinctions, but pricing stays at $799 with no new case finishes this generation.