MacOS 12.3

macOS 12.3 is an update to macOS 12 (Monterey) that is in development for release in 2022 by Apple Inc.

Development history
The first developer beta was released on January 27, 2022. Among the intended feature updates are revisions to Apple Pay. This is also the first public build in which Universal Control has been implemented. However, the Python 2.7 programming language is being retired as of this version. The second beta was released on February 8, followed by a third beta on February 15, 2022.