New option to control automatic prominence on Group FaceTime calls, so video tiles do not change size when a participant speaksĬalibration Fine-Tuning for Pro Display XDR.Option to disable battery health management.Energy Saver preference pane now displays battery condition and recommends if the battery needs to be serviced.Battery health management to help maximize battery lifespan for Mac notebooks.The update also improves the stability, reliability, and security of your Mac. Related: macOS Catalina 10.15.5 most important upgrade is the Battery Health Management feature that has the role to extend the lifespan of the Mac’s battery.MacOS Catalina 10.15.5 introduces battery health management in the Energy Saver settings for notebooks, a new option to disable automatic prominence in Group FaceTime calls, and controls to fine-tune the built-in calibration of your Pro Display XDR. Impact: An application may be able to execute arbitrary code with kernel privilegesĭescription: A memory consumption issue was addressed with improved memory handling. However, if we check the security content we find out that this supplemental update is patching the same security vulnerability used by the ‘unc0ver 5.0’ tool. It informs us that we’re dealing with “important security updates” and that all users should opt for it. The update log doesn’t provide too many details. MacOS Catalina 10.15.5 Supplemental Update Log Fact: The Macbook automatically reboots after the installation process is completed. The 1,20 GB large update will be downloaded and installed on your Mac. Click Update Now and follow the on-screen instructions. Tip: You can open system preferences directly from the Desktop by clicking the “Apple logo”, top-left corner of the screen and then System Preferences. How To Install macOS Catalina 10.15.5 Supplemental Update 1. Both software updates are downloadable from the Mac App Store, as detailed below. The same supplemental security update is also available for Mac computers, that aren’t compatible with the Catalina version and are running the earlier macOS High Sierra 10.13.6. MacOS Catalina 10.15.5 supplemental update is the 5th ugrade to the macOS Catalina series, launched in the fall of 2019. It’s a zero-day vulnerability that allows an application to execute arbitrary code with kernel privileges.
The reason is the same, a security fix that patches a vulnerability detected and used by the team behind the ‘unc0ver 5.0’ tool to jailbreak iOS 13.5. Together with iOS 13.5.1 and watchOS 6.2.6, Apple has also released a supplemental upgrade for macOS Catalina 10.15.5.
MacOS Catalina 10.15.5 Supplemental Update screen.
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