Apple has just seeded the first beta of OS X 10.11.5 El Capitan to developers for testing purposes, just over two weeks after releasing OS X 10.11.4, the fourth major update to the OS X 10.11 operating system.
It is not expected to bring any major user-facing features. The new beta carries a build number of 15F18b and can be installed on computers running a prior OS X beta through the Mac App Store’s Updates tab.
It’s also available as a standalone download via Apple’s Dev Center.
As far as what’s new, the beta release appears to be a minor update, with performance enhancements and bug fixes. However, if something new is discovered within the software, we’ll be sure to update this post accordingly.