Apple with iOS 15.4 has reportedly fixed a Core Animation bug that has resulted in a sub-par ProMotion experience. Now all third-party apps automatically use smooth 120Hz animations on iPhones that feature support for ProMotion display technology.
iOS 15.4
iOS 15.4 beta includes support for receiving notifications from web apps on iPhone and iPad
Apple's iOS 15.4 and iPadOS 15.4 updates, currently in beta, apparently feature support for receiving web notifications in the Notification Center on your iPhone and iPad.
How to get the iOS 15.4 Emojis on your jailbroken iOS 10-14 device
Apple’s forthcoming iOS & iPadOS 15.4 update introduces dozens of new Emojis. But if you’re using an older version of iOS or iPadOS, as is likely the case if you’re jailbroken, then you wouldn’t ordinarily be able to use them.
How to adjust notifications for new App Store features, recommendations, offers and more
Learn how to adjust whether to receive notifications from App Store on your iPhone, iPad or iPod touch for new features, app updates, recommendations and special offers.
Apple’s new trade-in tool will let you scan your iPhone for cosmetic damage
A new iPhone trade-in tool from Apple, dubbed “Trade-In Tool and Cosmetic Scan,” will let you scan your device for cosmetic damage with another iPhone camera.
You need to have an iPhone 12 or newer to use Face ID with a mask
A new feature in iOS 15.4 and iPadOS 15.4 for using Face ID while wearing a mask requires at least the iPhone 12: it won't work on the iPhone 11 and the iPhone X or older.