Apple has just pushed the first public beta for OS X El Capitan 10.11.6 to testers. The public beta release comes just a day after the first OS X 10.11.6 beta was pushed to developers.

Apple seeds first OS X 10.11.6 public beta to testers

If you're a part of the public beta program, you should be able to pull the latest release from the Updates section of the Mac App Store now. It's unclear what to expect from this beta release, but it's likely a smattering of small bug fixes and performance improvements.