MacOS 12.6.3

macOS 12.6.3 (build 21G419) is an update to macOS 12 (Monterey) that was released on January 23, 2023 by Apple Inc.
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==Features==
This build included security updates to address vulnerabilities which could allow an app to gain root privileges, execute arbitrary code, and access user-sensitive data.Apple gives some older iPhones OS updates, going back to iPhone 5s by Wesley Hilliard, AppleInsider. 2023-01-23.macOS Big Sur 12.6.3 (21G419) Update! What’s New?, Mr. Macintosh. 2023-01-24.
==Development history==
The first developer beta appeared on December 14, 2022.[Pre-Release macOS Monterey 12.6.3] (Italian) by antuneddu, macOS86. 2022-12-14. A release candidate became available to developers on January 18, 2023.Apple Seeds Release Candidate Version of macOS Ventura 13.2 to Developers by Juli Clover, MacRumors. 2023-01-18.
==References==
==See also==
*macOS 11.7.3, a build for macOS Big Sur users that addressed similar security issues.
==External links==
*Apple security updates at Apple Support (2023-01-23)
**About the security content of macOS Monterey 12.6.3 (2023-01-23)
Category:macOS 12
Category:2023 introductions