OS X 10.11.4 beta 2 is now available through the Mac App Store for registered developers to download and update the system to test what's new. The first beta version of OS X El Capitan added new features, including the display of Live Photos and the ability to share them. through the Messages appas well as strong password support for individual notes in the Notes app.
Before OS X 10.11.4, only Live Photos could be viewed on Mac via the Photos app and in limited situations. As of this version, Live Photos taken with the iPhone 6s and 6s Plus can be easily shared and viewed on Mac through the Messages application. In addition, as we have said, it will only take a single secure password to safeguard our individual notes in the Notes application and that in iOS 9.3 will be necessary to view them on both iPhone and iPad.
A couple of days ago the first beta of OS X 10.11.4 for the general public and more specifically for all those enrolled in the public beta testing program.
For now we have no information about the new features in this second beta But according to the release notes, Apple asks developers to focus their efforts on areas like iBooks, Messages, Notes and Photos.