MacOS 12.1

macOS 12.1 is an update to macOS 12 (Monterey) that was released on December 13, 2021 by Apple Inc.

Development history
The first developer beta was released on October 28, 2021, followed by a second build on November 9. Public betas of each build were released on the following day. The update is intended to address some bugs, add support for the AMD GPU, and re-enable SharePlay, which was not ready as of macOS 12.0.1. However, Universal Control is still in development.