Excerpt / Meta Description: Apple has released macOS 26.4.1, a targeted fix for M5 MacBook Air and MacBook Pro owners experiencing Wi-Fi connection issues related to content filter extensions.

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Apple quietly dropped macOS 26.4.1 on Thursday — a small but focused update that addresses a specific Wi-Fi bug affecting the newest MacBook models.

What’s fixed in macOS 26.4.1

The update targets a bug that could prevent certain M5 MacBooks from connecting properly to a Wi-Fi network when content filter extensions are active. It’s a narrow fix, but for anyone who has been scratching their head over unexplained connection drops or failed network joins on a brand-new machine, this is the update you’ve been waiting for.

The release is specifically intended for the M5 MacBook Air and the M5 Pro and M5 Max MacBook Pros, all of which launched last month.

What came before it

This follows macOS 26.4, which Apple released at the end of March. That was a more feature-rich update, bringing new emojis, fresh additions to Apple Music and Podcasts, and a set of security patches. The 26.4.1 release, by contrast, is a precision fix rather than a feature drop — and like the iOS 26.4.1 update that accompanied it, it carries no published CVE security entries.

How to install it

Installing the update is straightforward. Head to System Settings, tap General, then Software Update. Your Mac will need to restart to finish the installation, so make sure you save anything open before you kick it off.

If you want a deeper look at everything macOS Tahoe has to offer, the full macOS Tahoe superguide is a good place to start.