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Sequoia

How the Clock hoards timers until it breaks

If you use Timers in the Clock app a lot, after a while the app may stop working and show a blank view. This is the result of a service hoarding old timers to its property list.

November 14, 2025 Macs, Technology

How to install security updates without upgrading to Tahoe

T T Read More

Want to stay running Sequoia or earlier? Want to install security updates such as XProtect data as well? Here’s how to do that without risking being upgraded unintentionally.

November 10, 2025 Macs, Technology

Apple has released macOS 26.1 Tahoe, and security updates to 15.7.2 and 14.8.2

Apple has just released macOS 26.1 Tahoe, together with security updates for Sequoia to bring it to 15.7.2, […]

November 3, 2025 Macs, Technology, Updates

Do apps launch faster in macOS Tahoe?

Some apps have become very slow to launch in recent versions of macOS. It has been suggested that this might be improved in Tahoe. Is that confirmed by evidence?

September 30, 2025 Macs, Technology

Apple has just released macOS 26.0.1 Tahoe, 15.7.1 and 14.8.1

Apple has just released macOS 26.0.1 Tahoe, which fixes the problem upgrading to 26.0 on Mac Studio M3 […]

September 29, 2025 Macs, Technology, Updates

Which firmware should your Mac be using? (version 10, Tahoe)

Listing for all compatible Intel Macs with T2 chips, and all Apple silicon Macs.

September 22, 2025 Macs, Technology

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

At 18:00 on 16 September, XProtect 5315 was released for all Macs. Sequoia systems were unable to update for 24 hours, and Tahoe silently updated when it felt like it. How come?

September 21, 2025 Macs, Technology

Silently updated security data files in Tahoe

XProtect, XProtect Remediator, XProtect Behaviour Service, kernel extension excludes, incompatible apps, and some historical remnants, including a database that’s downloaded then vanishes.

September 19, 2025 Macs, Technology

Apple has released macOS 26 Tahoe, and Sequoia 15.7, Sonoma 14.8

Apple has just released macOS 26.0 Tahoe (build 25A354), together with security updates to Sequoia taking it to […]

September 15, 2025 Macs, Technology, Updates

Last Week on My Mac: Keeping up appearances in Tahoe

T T Read More

Appearance modes and the effects of Accessibility settings exhibit different behaviours in Tahoe, compared with Sequoia. Illustrated in a simple app.

August 31, 2025 Macs, Technology

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