Apple today released macOS Catalina 10.15.5, the fifth update to the macOS Catalina operating system. The update includes a new Battery Health Management feature for Mac laptops. The feature is intended to extend the overall lifespan of a Mac notebook’s battery by reducing the rate of chemical aging.
macOS Catalina 10.5.4 can be downloaded for free from the Mac App Store via the Update feature in the System Preferences app on compatible Macs.
Apple’s full release notes for macOS Catalina 10.15.5 are below.
macOS Catalina 10.15.5 introduces battery health management in the Energy Saver settings for notebooks, an option to control automatic prominence of video tiles on Group FaceTime calls, and controls to fine-tune the built-in calibration of your Pro Display XDR. The update also improves the stability, reliability, and security of your Mac.
Battery Health Management
– Battery health management to help maximize battery lifespan for Mac notebooks
– Energy Saver preference pane now displays battery condition and recommends if the battery needs to be serviced
– Option to disable battery health management
– For more information, please visit https://support.apple.com/kb/HT211094
FaceTime Prominence Preference
– Option to control automatic prominence on Group FaceTime calls so video tiles do not change size when a participant speaks
Calibration Fine-Tuning for Pro Display XDR
– Controls to fine-tune the built-in calibration of your Pro Display XDR by adjusting the white point and luminance for a precise match to your own display calibration target
This update also includes bug fixes and other improvements.
– Fixes an issue that may prevent Reminders from sending notifications for recurring reminders
– Addresses an issue that may prevent password entry on the login screen
– Fixes an issue where System Preferences would continue to show a notification badge even after installing an update
– Resolves an issue where the built-in camera may not be detected when trying to use it after using a video conferencing app
– Addresses an issue for Mac computers with the Apple T2 Security Chip where internal speakers may not appear as a sound output device in Sound preferences
– Fixes a stability issue with uploading and downloading media files from iCloud Photo Library while your Mac is asleep
– Resolves a stability issue when transferring large amounts of data to RAID volumes
– Fixes an issue where the Reduce Motion Accessibility preference did not reduce the speed of animations in a FaceTime group call