Apple has finally released the much awaited update for OSX 10.15 Catalina which includes the battery health management to maximize battery longetivity and a slew of other QoL fixes.

macOS Catalina 10.15.5

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. 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

• New 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 Reduced Motion Accessibility preference did not reduce the speed of animations in a Group FaceTime call

Enterprise content:

• Improves performance on certain Mac models when enabling hardware acceleration in GPU-intensive apps such as those used for video conferencing
• Addresses an issue where Microsoft Exchange accounts were unable to sign in during account setup when using Conditional Access
• Apple Push Notification Service traffic now uses a web proxy when specified in a PAC file via the Proxies payload
• Resolves an issue that prevented some displays connected to MacBook Pro (16-inch, 2019) from waking from sleep when the Mac wakes
• Major new releases of macOS are no longer hidden when using the softwareupdate(8) command with the --ignore flagThis change also affects macOS Mojave and macOS High Sierra after installing Security Update 2020-003.