macOS Monterey 12.3.1 Update (21E258) is now available
- Bug fixes – 3 software bugs addressed
- Security Updates – 2 zero-day security vulnerabilities! “Apple is aware of a report that these issues may have been actively exploited.”
- Full installer and M1 IPSW – UPDATE: Full installer & M1 IPSW file are now available for download.
- Safari – UPDATE: 15.4 (17613.1.17.1.13) included in the 12.3.1 update. For Big Sur and Catalina Safari 15.4 (16613.1.17.1.13) is available as a separate download.
- Enterprise Fixes – “Resolves an issue where a software update may become stuck at an Apple logo and progress bar.”
- 2021 14 & 16″ MacBook Pro 12.3 Update Bricking Issue = “Some 2021 MacBook Pro models cannot update or restore to macOS Monterey 12.3” Could this be the fix for 2021 MacBook Pro owners that failed the 12.3 update after having their logic board replaced?
- Apple Business Essentials for small businesses announced.
macOS Monterey Patch Notes Summary
- 1. New Features – 0
- 2. Enhancements -0
- 3. Resolved Issues – 3
- 4. Security Fixes – 2
- 5. Enterprise Fixes – 1
Full Apple OS Release list
iOS 📱✅
- iOS 15.4.1 (19E258)
- iPadOS 15.4.1 (19E258)
- tvOS 15.4.1 (19L452)
- audioOS 15.4.1 (19L452)
- watchOS 8.5.1 (19T252)
macOS 💻 ✅
- Monterey 12.3.1 (21E258)
- Big Sur – No update
- Catalina – No update
- Xcode – No Update
Table of Contents
- 1. Apple Links
- 2. Areas of interest for this update
- 3. Undocumented macOS Monterey Update changes & fixes
- 4. Monterey Release History
- 5. macOS Monterey Full Installer.app
- 6. Apple Silicon IPSW Restore file Update
- 7. macOS Monterey Update sizes for Intel and M1
- 8. Apple Silicon M1 Firmware Update
- 9. Intel T2 BridgeOS Update
- 10. Safari Update
- 11. What’s new for enterprise in macOS Monterey
- 12. Security Content of macOS Monterey
- 13. macOS Monterey Release Notes / Patch Notes / Changes
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