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Apple Fifth Update to MacOS Catalina 10.15.5: Improved the Battery Life and Performance of MacBook


  • Apple launches Fifth update to macOS Catalina 10.15.5.
  • The new update 10.15.5 fix the problem of users experiencing system crashes after installing ‌Catalina‌ 10.15.4
  • Latest Cataline update brings new battery health management features, new FaceTime options and bug fixes to the operating system.

Apple has completed all its platform updates this week with the fifth update to MacOS Catalina 10.15.5.

Catalina‌ operating system was released in October 2019. On Tuesday, company releases fifth update to macOS Catalina 10.15.5.

Two months ago ‌macOS Catalina‌ 10.15.4 released, which introduced Screen Time Communication Limits.

This time latest Cataline update brings new battery health management features, new FaceTime options and bug fixes to the operating system.

After installing ‌Catalina‌ 10.15.4, some users experiencing occasional system crashes during large file transfers. The new update 10.15.5 successfully fix the problem.

The biggest change in macOS 10.15.5 is a new Battery Health Management feature. That could extend the life of your MacBook’s battery.

The lifespan of Mac notebook’s battery is worked by managing how it is charged.

MacBook uses Lithium-ion batteries which slowly age over time. That means as the computer gets older batteries begin to hold less of a charge.

Apple’s new battery feature is worked by slowing that aging process. So that your battery will hold more charge over a longer period of time.

Here's How Apple Explained Fifth Update to macOS Catalina 10.15.5?

The battery health management feature in macOS 10.15.5 is designed to improve your battery’s lifespan by reducing the rate at which it chemically ages.

The feature does this by monitoring your battery’s temperature history and its charging patterns.

Based on the measurements that it collects, battery health management may reduce your battery’s maximum charge when in this mode.

This happens as needed to ensure that your battery charges to a level that’s optimized for your usage — reducing wear on the battery, and slowing its chemical aging.

Other Feature on macOS Catalina Fifth Update

‌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 builtin 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

How to Turn Off macOS Catalina 10.15.5 Update

The new feature Battery health management is turned on by default when you buy a new Mac notebook with macOS 10.15.5, or after you upgrade to macOS 10.15.5 if you’re using a MacBook that supports Thunderbolt 3.

If you want to turn it off, follow these steps:

  1. Choose System Preferences from the Apple menu, then click Energy Saver.
  2. Click Battery Health.
  3. Deselect Battery health management, then click OK

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