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What could go wrong with apps on Big Sur and Apple Silicon?

Highlights some potential issues with third-party products running under Big Sur, and on Apple Silicon Macs, from the sealed system volume to mixed architecture tool chains.

September 12, 2020 Macs, Technology

Last Week on My Mac: Apple leak

The combination of a new kernel built just 10 days earlier with a set of new graphics drivers sufficed to bring many Macs to their knees.

August 16, 2020 Macs, Technology

The life cycle of a kernel panic

Catalina 10.15.6 update included a bonus: a large memory leak which led to kernel panics. This is the story of its patching.

August 14, 2020 Macs, Technology

Apple has released macOS Catalina 10.15.6 Supplemental Update

As expected, Apple has just released macOS Catalina 10.15.6 Supplemental Update, which it claims fixes the memory leak […]

August 12, 2020 Macs, Technology, Updates

Catalina 10.15.6 is prone to kernel panics from a memory leak

There have been recent reports that the macOS Catalina 10.15.6 update can result in kernel panics. This appears […]

August 6, 2020 Macs, Technology

Unsticking stuck preference settings

When nothing seems able to get that preference setting right, don’t abandon hope – follow this instead.

August 4, 2020 Macs, Technology

How should you clean re-install Catalina?

Older versions of Catalina can fail to erase the System and Data volumes, but 10.15.6 should be able to, making clean re-installation simpler.

August 3, 2020 Macs, Technology

When the Finder’s arithmetic fails with an error of 139 TB

T T Read More

Trying to discover the effective size of a snapshot proves baffling, particularly when the Finder claims it’s almost astronomical.

July 13, 2020 Macs, Technology

Limits to size of sparse bundles, and bugs fixed in Spundle 1.2

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Important update for all users, which addresses several bugs in setting the maximum size of sparse bundles.

June 22, 2020 Macs, Technology

New Mac troubleshooting page

For three years, I have maintained a troubleshooting article here which provides a short summary listing of the […]

June 9, 2020 Macs, Technology

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