Apple has simply formally launched OS X 10.11.5 El Capitan to the general public with a variety of bug fixes tagging alongside for the experience. Sadly, Apple does not take a deep dive into what is new, merely noting bug fixes, performance and safety improvements.
This is the the legitimate rundown of what is new in OS X 10.11.5:
The OS El Capitan 10.11.5 update improves the steadiness, compatibility and safety of you Mac, and is beneficial for all El Capitan customers.
This is the fourth public update to OS X El Capitan because it used to be launched in September 2015. If you would like to update your Mac, you will have to have the ability to get started downloading the update in the course of the Updates segment of the Mac App Retailer now.