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App Nap

Last Week on My Mac: Who decides when to quit an app?

When I’ve finished using an app, I usually quit it, only to open it again later. Can macOS manage apps any better than I can, or is it just becoming more like iOS?

December 6, 2020 Macs, Technology

Rosetta 2 won’t let the undead die

Some apps nap, others enter the realm of the undead: they’ve gone, but are being kept in suspended animation. And Rosetta can keep them that way for a long time.

December 2, 2020 Macs, Technology

Undead apps, and opting out of App Nap

Four versions of the same app to demonstrate different app states in Sierra and High Sierra, and how your apps can join the undead.

November 15, 2017 Macs, Technology

How to prevent zombies

This week, I have been attacked by zombies – half-dead apps which appear to have quit automatically, but […]

November 8, 2017 Macs, Technology

Return of the zombie app: is it a feature or bug?

Why would anyone tell the user that an app had quit, but actually leave it hanging around, near-useless, in memory?

November 7, 2017 Macs, Technology

Did that app quit, or is it just napping?

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Put TextEdit or Preview into the background when they haven’t got an open window, and they quit automatically, don’t they? Actually they don’t, they just become zombies.

November 6, 2017 Macs, Technology

App Nap, Battery Endurance, and Grand Central Dispatch

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Despite its documentation vanishing, it’s clear that GCD does a lot more than provide an easy way to concurrency for app developers.

April 29, 2017 Macs, Technology
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