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.
iOS 15.4
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.
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.