macOS 26.6 now available, here’s what’s new

Apple has released macOS 26.6 to all users with compatible Macs, delivering bug fixes and performance improvements including a fix for incorrect deprecation notices on Intel-only apps and issues with HealthKit and HDR screenshots in Messages. The update may also begin indexing for the upcoming macOS 27 Golden Gate, which will power the new Siri AI and other Apple Intelligence features, a process Apple has confirmed for iOS 26.6 and iPadOS 26.6. The release build is 25G72, differing from last week's RC 25G70.

Following an extended https://9to5mac.com/2026/07/20/macos-26-6-rc-now-available-heres-whats-coming/ developer and public beta period, Apple is now rolling out macOS 26.6 to all users with compatible Macs https://9to5mac.com/2025/06/09/macos-tahoe-26-compatibility-list/ . Here’s what’s new. macOS 26.6 now available macOS 26.6 is now available, containing mostly bug fixes and performance improvements. The update addresses a bug that incorrectly displayed deprecation notices for some apps identified as Intel-only, as well as issues affecting HealthKit, and HDR screenshots in Messages. For users planning on updating to macOS 27 Golden Gate later this year, macOS 26.6 likely starts the indexing process that will power the new Siri AI, the Siri app, and other features related to the new version of Apple Intelligence. Apple has so far confirmed https://9to5mac.com/2026/07/20/ios-26-6-includes-key-feature-that-prepares-your-iphone-for-ios-27/ this only for iOS 26.6 https://9to5mac.com/2026/07/27/ios-26-6-now-available-whats-new/ and iPadOS 26.6 https://9to5mac.com/2026/07/27/apple-releases-ipados-26-6-heres-whats-new/ , but the same process appears likely on the Mac. As users running the macOS 27 beta know, indexing can take several days, so starting it now should reduce the wait after upgrading later this year. The release build for macOS 26.6 is 25G72, which is different from last week’s RC 25G70 . Did you spot anything new on macOS 26.6? Let us know in the comments. Worth checking out on Amazon Geoffrey Cain – ‘Steve Jobs in Exile’ https://amzn.to/4v3CS5Q David Pogue – ’Apple: The First 50 Years’ https://amzn.to/46Y3nQj MacBook Neo https://amzn.to/47vJmkn Logitech MX Master 4 https://amzn.to/3KmIQN7 AirPods Pro 3 https://www.amazon.com/Apple-Cancellation-Translation-Headphones-High-Fidelity/dp/B0FQFB8FMG?tag=marcmendes-20 AirTag 2nd Generation – 4 Pack https://amzn.to/4sewc3a Apple Watch Series 11 https://amzn.to/46VomDB Wireless CarPlay adapter https://www.amazon.com/gp/product/B0F6T6N2B1?tag=marcmendes-20 FTC: We use income earning auto affiliate links. More. https://9to5mac.com/about/ affiliate our homepage http://9to5mac.com/ for all the latest news, and follow 9to5Mac on exclusive stories https://9to5mac.com/feature/exclusive/ , reviews https://9to5mac.com/guides/review/ , how-tos https://9to5mac.com/guides/how-to/ , and subscribe to our YouTube channel https://www.youtube.com/9to5mac