MacOS 12.3

macOS 12.3 (build 21E230) is an update to macOS 12 (Monterey) that was released on March 14, 2022 by Apple Inc.macOS 12.3 (21E230) Apple Developer. 2022-03-14.
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==Development history==
The first developer beta was released on January 27, 2022.macOS 12.3 beta (21E5196i), Apple Developer. 2022-01-27. Among the intended feature updates are revisions to Apple Pay.Apple Seeds First Beta of macOS Monterey 12.3 to Developers by Juli Clover, MacRumors. 2022-01-27. This is also the first public build in which Universal Control has been implemented. However, support for the Python 2.7 programming language is dropped in favor of support for Python 3.iPadOS 15.4 and macOS Monterey 12.3 Betas Add Universal Control by Juli Clover, MacRumors. 2022-01-27. The second beta was released on February 8 to address Bluetooth-related battery drain on MacBooks.macOS 12.3 beta 2 (21E5206e), Apple Developer. 2022-02-08.macOS 12.3 beta 2 addresses Bluetooth-related battery drain on MacBooks by Filipe Espósito, 9to5Mac. 2022-02-08. The third beta was released on February 15 with refinements to Universal Control options.macOS 12.3 beta 3 (21E5212f), Apple Developer. 2022-02-15. The fourth and fifth betas were released on February 22 and March 1, 2022, respectively.Apple releases macOS 12.3 beta 4 to developers as Universal Control launch nears by Michael Potuck, 9to5Mac. 2022-02-22.macOS 12.3 beta 5 (21E5227a), Apple Developer. 2022-03-01. A release candidate became available to beta testers on March 8, 2022.macOS 12.3 RC (21E230), Apple Developer. 2022-03-08.
===Issues===
Some users have reported that updating to macOS 12.3 will "brick" Macs with Secure Enclave that have had their logic boards replaced. It is possible to revive such a Mac in DFU mode, but it requires access to a second Mac to perform.macOS Monterey 12.3 reportedly bricking Macs with replacement logic boards by Mike Peterson, AppleInsider. 2022-03-17.
==References==
==External links==
*macOS Monterey 12.3 Release Notes at Apple Developer
**What's new in the updates for macOS Monterey: macOS Monterey 12.3
**About the security content of macOS Monterey 12.3 at Apple Support (2022-03-14)
Category:macOS 12
Category:2022 introductions