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I usually don't write a separate blog article for every little macOS update. But since there are still many problem reports from readers who have massive problems with macOS Catalina (see here in the Catalina Problems & Solutions collective contribution), I just wanted to bring you the good news that Apple has released another bug fix update.
I always install such small updates without a separate backup, because I always have a reasonably current version of my system somewhere on an external hard drive. As a rule, such point updates only make the system more stable and no new problems arise.
However, due to the fact that many people seem to live completely without a backup, in this case too I would like one with a program like SuperDuper, SmartBackup or Carbon Copy Cloner create - it doesn't do any harm and in case of doubt you can quickly fall back on a version before the update. And with macOS Catalina, Apple has not exactly ensured that the user community has more confidence in the reliability of the system.
Here I am simply quoting from the release note of the update, because unfortunately Apple does not yet have an entry for the update on your List of security updates made - accordingly the details of this update are missing.
macOS 10.15.3 update –– restart required
The macOS Catalina 10.15.3 update improves the stability and reliability of your Mac. It is recommended for all users.
- optimizes the gamma handling for weak gray tones when working with Pro Display XDR for SDR under macOS and
- improves multi-stream video editing performance for HEVC and H.264 encoded 4K video on the 16 ″ MacBook Pro (2019).
At first glance, there is little to see here, because both points only affect a small target group, but one can assume that Apple has ironed out other errors with the update. Bugs that users mention are not always publicly acknowledged by Apple, but luckily they are still fixed in the background at some point.
I just performed the update on myself. The installation took a good 30 to 45 minutes, which I found to be quite long, but after that the Mac rebooted cleanly. As far as I can see everything is going as it was before. On my part, there is no reason to advise against the update.
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Jens has been running the blog since 2012. He appears as Sir Apfelot for his readers and helps them with problems of a technical nature. In his free time he drives electric unicycles, takes photos (preferably with his iPhone, of course), climbs around in the Hessian mountains or hikes with the family. His articles deal with Apple products, news from the world of drones or solutions for current bugs.