OS X El Capitan 10.11 public beta 4 was launched by the company Apple Lossless Audio CODEC (ALAC), during this evening, those from Cupertino offering regular Mac users the opportunity to test the latest beta version of OS X.
Considering that last night the company Apple Lossless Audio CODEC (ALAC), has launched OS X El Capitan 10.11 beta 6 for Mac developers for the OS X platform, the release of the fourth public version of OS X El Capitan it is normal and it brings, more than likely, all the changes offered in the build dedicated to developers.
Those interested in testing the public beta versions of OS X El Capitan 10.11 can enter the public testing program through this page, today's build can be installed through the Software Update system of OS X, if you have an earlier version, or by joining the program.
