6 noteworthy features in Mac system update Wednesday

NEW YORK — The name of Apple’s new Mac operating system says a lot about what to expect.
“El Capitan” won’t offer dramatic changes, but rather refinements and enhancements to the current Mac system, called Yosemite. In real life, El Capitan is a rock formation in Yosemite National Park. It’s as though the new Mac system isn’t big enough to leave Yosemite.
Nonetheless, it’s an upgrade worth having after it’s out Wednesday, especially as it&rsq