what is the latest os update for mac
macOS The fall release of macOS 10.13 High Sierra was announced on June 5, 2017 at Apple's WWDC event.[215] On September 12, 2017 at Apple's iPhone event, they announced its release to be September 25, 2017.[216] Like OS X El Capitan and OS X Mountain Lion, High Sierra is a refinement-based update having very few new features.[217] High Sierra uses the new Apple File System and includes enhancements to Safari, Photos, and Mail, among other changes.[215]
MacBook Pro On June 11, 2012, Apple showcased its upgraded Mac notebooks, OS X Mountain Lion, and iOS 6 at the Worldwide Developers Conference (WWDC) in San Francisco.[53] The new MacBook Pro models were updated with Ivy Bridge processors and USB 3.0 ports, and the default RAM on premium models was increased to 8 GB.[54] Following this announcement, the 17-inch model was discontinued. After a media event on October 22, 2013 Apple discontinued all second generation MacBook Pros except for the entry-level 2.5 GHz 13-inch model.[55] Apple discontinued the 13-inch 2nd generation MacBook Pro on October 27, 2016. Prior to its discontinuation it was Apple’s only product to still include an optical drive and a Firewire port, and only laptop with a hard disk drive and Ethernet port.[56]