Soon after Apple released its macOS Monterey 12.3 developer beta earlier this month, a growing chorus of users on web forums began reporting problems ranging from failed external monitor connections to Macs being bricked to game controller issues.
The user posts were spread out among Apple Support, Mac Developer, and MacRumors forums.
Apple did not respond to a request for comment by Computerworld.
Apple released the developer beta on March 2; it's a notable update because it includes the widely anticipated Universal Control. Universal Control allows a user to turn an iPad into a companion display for a Mac that can be controlled with the same keyboard and mouse. (Both the 12.3 public beta and the iOS 15.4 public beta have to be installed on a Mac and iPad respectively.) For some, the new feature isn’t working with external monitors.
