I just recently discovered that animations in Safari were faltering quite terribly on my M1 powered 2020 MacBook Air, and dove in to find out why.
The why:
This wasn’’ t a bug. This was a feature.By default, macOS Monterey makes it possible for ““ Low power mode ” on Battery power and disables it when utilizing a Power Adapter. Safari, it appears, is configured to translate this setting to suggest that it ought to lower the variety of times it paints to the screen to extend battery life.On my MacBook Air, that indicates from 60fps to 30fps.
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