Alongside iOS 9.2, Apple has also released today OS X 10.11.2 to the public. The release cam be downloaded through the Software Update mechanism in the Mac App Store and it’s available to all OS X El Capitan users. See the official changelog below…
The OS X El Capitan 10.11.2 update improves the stability, compatibility, and security of your Mac.
-Improves Wi-Fi reliability
-Improves the reliability of Handoff and AirDrop
-Fixes an issue that may cause Bluetooth devices to disconnect
-Fixes an issue that prevented Mail from deleting messages in an offline Exchange account
-Fixes an issue that prevented importing photos from an iPhone to a Mac using a USB cable
-Improves iCloud Photo Sharing for Live Photos