Sidecar not showing in Catalina
Just updated from High Sierra, my iMac (Retina 5K, 27-inch, Late 2014) to Catalina 10.15.6 (19G73). I am trying to us my iPad Pro 12.9" 3rd generation 13.5.1 in Sidecar. It's not showing up in System Preferences on the mac. Any ideas?