OS X 10.11.3 was an update to OS X 10.11 (El Capitan) that was released by Apple on January 19, 2016.
Features[]
This update includes the following:
- Fixes an issue that may prevent some Mac computers from waking from sleep when connected to certain 4K displays.
Enterprise content[]
- Third-party .pkg file receipts stored in /var/db/receipts are now retained when upgrading from OS X Yosemite.
Security content[]
For detailed information about the security content of this update, see Apple Security Updates.