Apple has released OS X El Capitan 10.11.3 to all users worldwide.
The latest update is available through the App Store Updates section and is recommended for all OS X El Capitan users.
OS X El Capitan 10.11.3 contains a number of bug fixes and security improvements.
According to Apple, the latest update addresses the problem that prevented some Macs from waking up from sleep while being connected to certain 4K displays. There are also some other minor enhancements.
You can read more about OS X El Capitan 10.11.3 at links:
About the OS X El Capitan v10.11.3 Update - Apple Support
Apple security updates - Apple Support
If you need the instructions on how to upgrade to OS X 10.11.3, take a look at the Apple Support article below:

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