Apple macOS 12.3 Developer Preview Beta 3 Released

Apple today pushed the macOS 12.3 developer preview version Beta3 update (build number: 21E5212f) to Mac computer users. This update is one week after the last release. Registered developers can download the beta version through the Apple Developer Center, and after installing the appropriate configuration files, the beta version will be available through the software update mechanism in System Preferences. There's also an update to macOS 11.6.5 for those still running macOS Big Sur.

macOS Monterey 12.3 is a major update that introduces Universal Control, a feature Apple first teased at WWDC21, then delayed it for several months. Universal Control is designed to let you use one mouse/trackpad and keyboard across multiple Macs and iPads (iPads running iPadOS 15.4).

After updating your device to macOS 12.3 and iPadOS 15.4, Universal Controls will automatically work, allowing your Mac's cursor and keyboard to work on the iPad and vice versa. It's simple and intuitive to use, and the macOS 12.3 Beta 2 update adds an icon you'll see in the menu bar to indicate it's activated.

macOS Monterey 12.3 adds support for updating AirPods firmware when the headphones are connected to a Mac. Additionally, it does away with the kernel extensions used by Dropbox and Microsoft OneDrive, and it removes Python 2, with Apple instructing developers to use alternative scripting languages ​​such as Python 3.

There are also some new emoji, including melted face, biting lip, heart-shaped hand, bubble, bean, slanted face, palms up, egg, troll, low battery, coral, lotus, and more.

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