Apple says thirdparty apps will be able to take full advantage of iPhone 13 ProMotion display, software fix forthcoming

Following initial testing of iOS 15 that found many third-party apps could not exceed the standard 60Hz refresh rate of the screen, Apple has now clarified the situation. The good news is that developers will be able to take full advantage of the 120Hz ProMotion display soon.

Apple says that developers will need to add a new Info.plist key to opt-in, and documentation is coming soon. In addition, a forthcoming software update will resolve a bug where animations driven by Core Animation were not able to reach the fluid 120Hz refresh rates.

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