What's new in macOS 26.3 | Should you update?
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macOS 26.3 is a major service update for Mac, which at first glance does not add new features, but significantly affects the stability and security of the system. In this video, we analyze what has changed in macOS 26.3 in practice: which bugs have been fixed, how the system behaves after the update, whether it is worth installing the update now and how it works on Macs with Apple Silicon and Intel.
Separately, we talk about real problems that interest users: a bug with window resizing, interface stability, application behavior, autonomy after installation and overall performance of macOS 26.3. We also explain why the update looks “empty”, although in fact it contains dozens of system fixes.
In the video, we look at hidden changes that Apple does not detail in the standard release notes: FileVault fixes, screen recording permissions, SSO login stability and other enterprise improvements. Plus, a large block on security: closing vulnerabilities in WebKit, system services and the macOS kernel.
Practical experience of use: test on MacBook Air, MacBook Pro on Apple Silicon and Intel-Mac - are there any lags, autonomy drops, problems after updating and who should stay on the previous version of the system.
If you are looking for an answer to the question “is it worth updating to macOS 26.3”, how the system works after the update and what has really changed — this video will give you the complete picture