Apple yesterday updated OS X El Capitan, patching a slew of security vulnerabilities, fixing other non-security bugs, and adding capabilities to some first-party apps.
The Cupertino, Calif. company also issued less sweeping updates — composed only of vulnerability fixes — to OS X Yosemite and OS X Mavericks, the 2014 and 2013 editions, respectively.
OS X 10.11.4, the fourth update to El Capitan since its September debut, addressed 56 vulnerabilities. Twenty-three applied to OS X Yosemite and 22 to Mavericks.
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