The name 'High Sierra' refers to the High Sierra region in California. macOS High Sierra was announced at the WWDC 2017 on J and was released on September 25, 2017. The 2018 MacBook Pro with Touch Bar was released in July of this year as a refresh of the existing MacBook Pro model line.MacOS High Sierra (version 10.13) is the fourteenth major release of macOS, Apple Inc.'s desktop operating system for Macintosh computers. Presumably whatever is included in the High Sierra Supplemental Update 2 is also included in the latest builds of macOS Mojave for the 2018 model year Tough Bar MacBook pro. The macOS High Sierra 10.13.6 Supplemental Update 2 improves the stability and reliability of MacBook Pro with Touch Bar (2018) computers, and is recommended for all users.įor detailed information about the security content of this update, please visit: Release notes accompanying the software update are vague, without offering any specific about what exactly is addressed with the supplemental update: It is unclear if the supplemental update improves keyboard reliability, though that is perhaps less likely given the nature of keyboard issues. It’s not entirely clear what is included in “macOS High Sierra 10.13.6 Supplemental Update 2 for MacBook Pro (2018)” but there is some speculation the particular software update might aim to address some reported stability issues that are specific to the machine. If you download the supplemental High Sierra update directly, it weighs in around 1.3 GB. If you currently own a 2018 MacBook Pro with Touch Bar and it is running macOS High Sierra (10.13.6), you can find the supplemental update available to download now from the software update mechanism within the Mac App Store Updates section.Īlternatively, you can get the High Sierra Supplemental Update MacBook Pro from here Labeled as “macOS High Sierra 10.13.6 Supplemental Update 2 for MacBook Pro (2018)”, the update is said to improve “the stability and reliability” of the computer, and is therefor recommended for all users of a 2018 MacBook Pro with Touch Bar to install.

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