Short but widespread outage affected almost every Apple online service

Yesterday Apple online services were unstable or unresponsive for couple of hours. Affected services included iMessage, iCloud (including third-party apps integrations), App Store, iCloud Mail, Apple Music and many others.

Outage also affected Apple Store systems significantly affecting retail sales.

Outage was resolved within hours, Apple did not comment on root causes though.

Apple System Status:


Apple Studio Display web camera issue will be fixed with software update

First reviews of Apple Studio Display highlighted subpar web camera performance. Apple acknowledged the problem and suggests that fix will come as firmware update.

Researches also studied the firmware itself. It turns out that Apple Studio Display runs full iOS 15.4 (with the same build number). It has 64Gb of storage while only 2Gb are currently used.


Some report that macOS 12.3 might “brick” Macs with motherboard replacements

According to forum thread there is an issue with macOS 12.3 affecting MacBook Pro 14" and 16" models which had motherboard replacements.

There is a firmware bug in Mac OS 12.3 that renders the update impossible to install on any 2021 14 or 16 inch MacBook Pro that has had it's logic board replaced.

Apple Developer Forums

Apple Developer Forums: Monterey Beta Bricking 16-inch M1 Pro MacBook Pro


Back-deployment of structured concurrency is broken in Xcode 13.2.1

Swift forum thread reports crashes on iOS 14 trying to use Swift concurrency features. According to forum thread this issue is not reproducible in Xcode 13.1 or in new Xcode beta. Crash could occur on both release and debug builds.

Moreover, crash is NOT reproducible when running app through Xcode, or via TestFlight distribution. Also, crash is not reproduced on Simulator both on Intel and Apple Silicon Macs.

Other Apple platforms might also be affected, additional verification is needed.

Issue is related to back-deployment library which could also be replaced during build.

Overall, Swift concurrency features should be tested on all supported platforms.

Swift Forums: Async Await crash on iOS14 with Xcode 13.2.1

Developers highlight importance of providing feedback to Apple

During discussions on recent iCloud issues, it turned out that important role plays submitting requests via Feedback Assistant tool. Usually, you might want to highlight the issue using Twitter, or try using DTS request on your paid Apple Developer program.

Several developers share their experience contacting Apple development teams using various channels.

Apple: Feedback Assistant

Reference: Getting Feedback to Apple

User reports some issues with recent OS updates and betas

There are couple of reports showing issues with macOS 12.2 Monterey, iOS 15.3 and watchOS 8.4.

Users report that macOS 12.2 sometimes might result in battery drain during sleep when Bluetooth connection is on.

And watchOS 8.4 with iOS 15.3 update might result in sync issues with Wallet. Some cards and passes added or removed on iPhone are not synced to Watch automatically.

Also, some reports show issues with current beta versions too. Apple warns macOS Catalina and Big Sur users with FileVault volume with possible issues trying to boot into macOS 12.3. Release notes for the beta now includes the warning.


If your Mac currently has macOS Catalina installed, installing macOS Monterey 12.3 beta or macOS Big Sur 11.6.4 beta on a volume with FileVault enabled might cause a boot loop when attempting to log back into the previous volume. (88163545)

Apple Support: Installing macOS on a separate APFS volume


Developers report continuing issues with iCloud services

For last several months there were increased number of developers reporting issues with iCloud sync APIs.

Mostly, this results in significant number of 503 errors accessing iCloud APIs.

Some developers who created in-app status panels for iCloud status, see issues.

Apple did not yet come back with resolutions or recommendations.

As of January 26 Apple's System Status shows some issues as resolved.


Some iPhone 13 users report “pink screen” issues, seem to be software issue

Several reports claim that iPhone 13 turn screen pink in some cases. Forum users suggest that restart might resolve the problem.

9to5Mac reports that most cases are reported from China, and Apple commented that issue will be resolved with software update.

Apple Forums: My Iphone 13 pro screen itself turn Pink (purple) and Randomly Crashing

Reference: Some iPhone 13 users report pink screen issues, Apple says it’s a software bug

HomeKit vulnerability could affect iPhone responsiveness

Security researcher found an issue with HomeKit which could make iPhone unusable. Issue is triggered by very long HomeKit device name (more than 500,000 characters).

This issue will affect first the Home app and if this device appears on Control Center, the whole iOS will become unresponsive or sluggish.

Issue is still present in current iOS and iPadOS releases.

Public disclosure: doorLock

Reference: This HomeKit bug could make your iPhone completely unusable; here are the details