Apple Seeds OS X El Capitan 10.11.5 Beta 4 to Developers and Public Testers

Apple has just seeded the fourth beta of OS X 10.11.5 El Capitan to developers and public beta testers, one week after releasing the third OS X 10.11.5 beta and more than a month after releasing OS X 10.11.4, the fourth update to the El Capitan operating system. OS X 10.11.5 has been in testing since April 6.


OS X 10.11.5 focuses on security enhancements, performance improvements, and bug fixes to address problems that have surfaced since the release of OS X 10.11.4. As with prior betas, the changes appear to be minor in scope, and no obvious outward-facing tweaks have been discovered in the first three OS X 10.11.5 betas.

The new beta software can be downloaded from the Apple Developer Center. It is also available as an update through the Mac App Store and the Update tab for machines running the first beta.

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.

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