Apple says an issue is preventing some animations from using high refresh rates on the iPhone 13 Pros

The iPhone 13 Pro and Pro Max keep the major redesigns introduced last year — they still feel fresh and modern.
Photo by Vjeran Pavic / The Verge

Apple’s iPhone 13 lineup launched Friday, and one of the key features of the 13 Pro and 13 Pro Max are their ProMotion displays with variable refresh rates that can top out at 120Hz. But as spotted by 9to5Mac, some app animations in third-party apps are currently only running at 60Hz. That might be frustrating if you were expecting to see buttery-smooth animations across all of your apps with the new phones, but when we asked Apple what was going on, the company shared two reasons why this might be happening.

One reason is that developers will need to update their apps to declare that they use the higher refresh rate. This can be done by adding an entry to the app’s plist, Apple tells The Verge, and the company says it plans to share…

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Author: Jay Peters