macOS 12.

3 and iPadOS 15.

4 have been released and at long last Apple added Universal Control, the much-anticipated feature that was revealed at WWDC 2021. Late last year, Apple announced that the release of Universal Control would be delayed to this spring, and now it’s finally here.  .

For the uninitiated, Universal Control allows you to use an iPad as a companion display for a Mac that can be controlled with the same keyboard and mouse.
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