Following the release of Apple?'s OS X 10.9.2 update, a number of users seem to have taken to Apple?'s Support Communities forum claiming the latest version has “broken” AirPlay Mirroring and extending of desktops to external displays.
For those of you who didn?'t know, Apple released the latest Mac operating system version this past Monday to patch a variety of issues, including an SSL security flaw, erratic Mail behavior and SMB2 reliability. The update also added FaceTime Audio calling and iMessage user blocking.
According to one of the forum threads