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Universal App

Explainer: Rosetta 2

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Rosetta 2 is key feature for the transition to Apple silicon, and is also available to run Intel x86_64 binaries in virtual macOS and Linux (in Ventura).

December 10, 2022 Macs, Technology

Running Intel code on your M1 Mac: Rosetta 2 and OAH

Internally, it isn’t called Rosetta, but OAH. Although itself tiny, its demands on memory and CPU can be great. Details of how and what it does, and more.

January 22, 2021 Macs, Technology

So Santa brought you an M1 Mac: here’s what you should know

A short introduction to some of the highlights and quirks of M1 Macs, from dealing with apps which don’t run properly, to entering Recovery Mode and dealing with disaster.

December 25, 2020 Macs, Technology

Inside M1 Macs: Time and logs

Time has changed in M1 Macs, with the Mach clock ticking every 41.67 nanoseconds. This affects all log entries too, and works differently in Rosetta.

November 27, 2020 Macs, Technology

How Big Sur checks Universal Apps

If you were to strip unwanted code from a Universal App, would it still pass Big Sur’s strict security checks?

November 23, 2020 Macs, Technology

The non-Universal binary: a cautionary tale

Identical code using system_profiler to look up the firmware version number worked in two apps but failed in a third. The solution was obscure.

November 12, 2020 Macs, Technology

LockRattler version 4.27 supports manual installation of updates too

Now offers you the choice of automatically downloading and installing pending updates, or just downloading them for manual installation.

November 5, 2020 Macs, Technology, Updates

Precize version 1.11 can now help identify sparse files

Now shows the space taken on disk, which makes it easy to identify sparse files.

October 20, 2020 Macs, Technology, Updates

Measuring performance of code using RouteMap, now a Universal App

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Makes it easy to write, harvest and analyse Signposts in the log to measure performance. Important fix for Apple Silicon too.

September 9, 2020 Macs, Technology, Updates

UTIutility version 1.1 is now a Universal App

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Explore UTIs, MIME and file types, extensions, and more. Now runs native on Intel and Apple Silicon Macs.

August 22, 2020 Macs, Technology, Updates

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