The iPhone 13 lineup formally went on sale on Friday September 24. As pre-order arrive to their prospects’ doorsteps or Apple Shops in most markets, people have observed that the ProMotion characteristic is not working constantly.
The iPhone 13 Professional and 13 Professional Max each characteristic Apple’s ProMotion shows, which means they help refresh charges of 120Hz. The characteristic has been on the iPad Professional since 2017, however that is the primary time Apple brings the characteristic to the iPhone.
iOS 15 helps ProMotion throughout all apps whereas scrolling or performing full-screen transitions like switching apps or swiping Dwelling. 9to5Mac stories that many animations are nonetheless capped at 60Hz, breaking the supposed expertise of the ProMotion shows.
The iPhone 13 Professional’s show is rendering most animations in 120Hz, however there are nonetheless many animations that are not taking full benefit of the upper refresh charge. Apple’s first-party apps have all correctly carried out the smoother transitions throughout the board, the problem solely happens with third-party apps.
Apple has confirmed to 9to5Mac that builders must allow their apps to help increased framerates for apps that use customized rendering reminiscent of video games. That is achieved by the developer including a brand new information.plist key with the intention to opt-in for his or her apps to help 120Hz. Apple will make this documentation accessible to builders quickly and a firmware replace will repair a bug that is not letting Core Animation drive the refresh charges increased than 60Hz.