Apple today released macOS Monterey 12.3.1, a minor update to the macOS Monterey operating system that launched in October. macOS Monterey 12.3.1 comes two weeks after the launch of macOS Monterey 12.3, an update that brought Universal Control.
The macOS Monterey 12.3.1 update can be downloaded on all eligible Macs using the Software Update section of System Preferences.
According to Apple’s release notes, macOS Monterey 12.3.1 introduces a fix that could cause Bluetooth controllers like game controllers to disconnect from the Mac after playing audio through some Beats headphones. It also addresses a bug that could cause USB-C or Thunderbolt external displays to not turn on when connected to the 2018 Mac mini as a secondary display.
Read more at MacRumors.com