I don't know of anything really magical but for years Apple has been steadily pushing apps towards APIs that give the OS a lot of latitude to manage energy [1].

I don't know of anything really magical but for years Apple has been steadily pushing apps towards APIs that give the OS a lot of latitude to manage energy [1]. Grand Central Dispatch, AVFoundation, etc. Then on iOS BackgroundTasks etc (and iPhones have had little cores for quite a while now). I would imagine a lot of that experience transfers to macOS. The centralized + draconian approach they take has a lot of problems but does help sweeping changes like this. 1. https://developer.apple.com/library/archive/documentation/Performance/Conceptual/power_efficiency_guidelines_osx/index.html https://developer.apple.com/library/archive/documentation/Pe...