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macOS 26

Last Week on My Mac: Macs that go bump in the night

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If you leave your Mac running overnight, but not sleeping, what does it do? Does it perform maintenance tasks that it would otherwise have to do during the day?

August 23, 2026 Macs, Technology

Apple has released a security update to macOS Tahoe 26.6.2

Apple has just released a security update to macOS Tahoe, bringing it to version 26.6.2. There don’t appear […]

August 17, 2026 Macs, Technology, Updates

Why do macOS update sizes vary so much?

With yet another macOS security update to 26.6.2 due shortly, why do the download sizes of these updates vary so widely?

August 12, 2026 Macs, Technology

How can you run code that hasn’t been notarised?

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How can you run apps and executable code that hasn’t been notarised? Can you also run those with broken signatures, or none at all? And do the controls actually disable Gatekeeper or XProtect?

August 11, 2026 Macs, Technology

What just changed in XProtect?

A new file in the latest XProtect data is set to protect private data used by eight widely used third-party apps, including popular web browsers. But which version of macOS will do this?

August 7, 2026 Macs, Technology

Apple has just released security updates for 26.6.1, 15.7.9 and 14.8.9

Apple has released security updates to macOS Tahoe, bringing it to version 26.6.1, for Sequoia to 15.7.9, and […]

August 6, 2026 Macs, Technology, Updates

Can you disable Gatekeeper and XProtect?

macOS Sequoia and Tahoe have changed the way Gatekeeper and XProtect are controlled. Can a user disable them, and if so, how? And how can you check whether both are enabled?

August 6, 2026 Macs, Technology

Last Week on My Mac: Onward and update

Few Macs survived the past week without an update, and for more recent models that meant two updates. Have we gone forward, and if so, where have we got to?

August 2, 2026 Macs, Technology

What has changed in macOS Tahoe 26.6?

Although it brings a record number of 143 security fixes, changes in version 26.6 seem fairly modest in […]

July 27, 2026 Macs, Technology, Updates

Apple has released updates to Tahoe 26.6, Sequoia 15.7.8 and Sonoma 14.8.8

Apple has just released updates to all three supported versions of macOS, bringing Tahoe to version 26.6, and […]

July 27, 2026 Macs, Technology, Updates

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