Universal Control - 90 Day Check-In

[rkaplan]

I am trying to use it but for unknown reasons it only works intermittently.

macOS 12.4 broke Universal Control for some users - Update the iPad to 15.5 to fix it

The plot thickens re: Universal control For 12 days Universal Control did not work at all no matter how I configured Display Preferences. Then today this icon appeared in my Menu Bar. If I activate “Link keyboard and mouse” to my 2nd computer - instantly Universal Control works between my Mac Pro and my iMac. The question is - what is this icon? Is it simply the build-in MacOS preferences panel? If so why did it appear now in my menu bar? And why does it have a “Link” option that Display P…