While the update has modifications on several fronts such as audio, kernel, WebKit, and Wi-Fi, the most noticeable feature is the security patch against the Meltdown bug. Available on macOS High Sierra version 10.13.2, the security patch has now been rolled out to older macOS versions, macOS Sierra 10.12.6 and OS X El Capitan 10.11.6. The update places emphasis on battery life, Finder enhancements, other enhancements for power. OS X Mavericks was announced on June 10, 2013, at WWDC 2013, and was released on October 22, 2013, as a free update through the Mac App Store. The maintainers of the Linux kernel expect to have their patch ready for release Friday, January 5 - from there it should quickly make its way to various Linux. OS X version 10.9, also known as 'Mavericks', is the tenth major release of OS X, Apple Inc's desktop and server operating system for Macintosh computers. Spectre Meltdown Patch Windows 10 Meltdown Patch Windows Server Meltdown Patch For our customers protection, Apple doesnt disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available.
Apple released a patch for High Sierra (10.13.2) in December that fixes these vulnerabilities, and Microsoft has issued an out-of-band security patch for Windows systems as well. Scrabble For Mac High Sierra Pages For Os X 10.9 About Apple security updates. Apple Watch is not affected by either Meltdown or Spectre. To help defend against Spectre, Apple has released mitigations in iOS 11.2.2, the macOS High Sierra 10.13.2 Supplemental Update, and Safari 11.0.2 for macOS Sierra and OS X El Capitan. Security updates for macOS Sierra and OS X El Capitan also include mitigations for Meltdown.