Apple has released the latest version of OS X El Capitan, OS X 10.11.2, to the general public. The update contains a number of improvements and fixes to the general El Capitan experience.

-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

You'll find the update to OS X 10.11.2 in the Update section of the Mac App Store.