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Category Archive: Macs

Inside the Unified Log 1: Goals and architecture

An introduction to the Unified log used on Macs and Apple’s devices. Its goals, how logs are stored and maintained, their content, privacy protection, and tools available to access them.

September 23, 2025 Macs, Technology

Solutions to Saturday Mac riddles 326

I hope that you enjoyed Saturday’s Mac Riddles, episode 326. Here are my solutions to them. 1: Melody […]

September 22, 2025 General, Macs, Technology

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

Saturday Mac riddles 326

Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation. 1: Melody containing […]

September 20, 2025 General, Macs, Technology

A brief history of threads and threading

From Switcher and MultiFinder, with Process Manager and Thread Manager in Classic Mac OS, to Pthreads, NSThreads, and Grand Central Dispatch.

September 20, 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

Customising folders in Tahoe

T T Read More

How custom folders are easy to set up and to use. How they work in iCloud Drive, and can even be seen on your iPhone. And what makes them work.

September 18, 2025 Macs, Technology

macOS 26.0 Tahoe build 25A354 is incompatible with Mac Studio M3 Ultra

If you have a Mac Studio M3 Ultra and want to upgrade it to run macOS 26.0 Tahoe, […]

September 17, 2025 Macs, Technology

Should you use Tahoe’s new ASIF disk images?

This new disk image format is claimed to be “efficient and general-purpose”. But is it? Is it as fast as sparse bundles or read-write (UDRW) disk images are?

September 17, 2025 Macs, Technology

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