The Cupertino company takes the field to dispel a doubt on the ProMotion display of the new iPhones.

On the day of the arrival on the market of the iPhone 13 Pro and iPhone 13 Pro Max(but not also of the iPhone 13 and iPhone 13 mini), the developers discovered that third-party applications currently cannot enjoy the advantages of the ProMotion technology with refresh rates. adaptive up to 120Hz. But is it a limitation imposed by Apple, a bug or something else?

Hours after the first reports, an Apple spokesperson informed the MacRumors editorial team that all third-party applications can support 120Hz , but developers must declare that their apps use a higher refresh rate via the plist (Property List ). The documentation on the required plist will be available shortly, we read in the article.

It is important to underline that this additional step requested by Apple is indicated only for those applications that need the full support of ProMotion technology . In fact, the UI animations of all applications automatically take advantage of the refresh rate advantages of the iPhone 13 Pro and iPhone 13 Pro Max.

Finally, a bug was discovered regarding some animations made with Core Animation . A fix, Apple says, will come with one of the upcoming iOS 15 updates.

ProMotion technology is able to guarantee an adaptive refresh rate, from 10Hz to 120Hz . The refresh rate varies according to what is displayed on the screen, in order to conserve the battery (the 120Hz refresh rate is particularly energy-intensive). This technology is unique to iPhone 13 Pro, iPhone 13 Pro and some iPad Pro models.

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