Today Apple released the 6th version of macOS Catalina, version 10.15.5. This update brings a lot of welcome refinements and bug fixes.
In particular, in introduces a new feature intended to maximize battery lifespan on newer Macs with Thunderbolt 3. That includes any of the Macs with the new smaller USB-C ports except for the 11″ MacBook. To do this, it uses past usage history to determine if it’s likely that your Mac will be left plugged in for a long period of time and will keep from charging the battery fully. If having a full battery is more important, you can disable this feature. For more information, please visit https://support.apple.com/kb/HT211094
Also fixed are two rather high profile stability problems. One bug was causing 16″ MacBook Pros to crash when coming out of sleep. Another was causing Finder to freeze when transferring very large files under certain circumstances.
As always, there are many other bug fixes including undisclosed security fixes, so I recommend everyone install this right away if you are running macOS Catalina.
To update your Mac, click the Apple menu > System Preferences > Software Update. If it says that you are currently up-to-date, leave your computer on this screen for a few moments and it should refresh.
In case you missed it, Apple released the update for their mobile operating systems last week.