iOS 14.5.1 Released To Fix a Very Important Bug !
This update fixes an issue with App Tracking Transparency where some users who previously disabled Allow Apps to Request to Track in Settings may not receive prompts from apps after re-enabling it. This update also provides important security updates and is recommended for all users.
The updates contained in iOS 14.5.1 / iPadOS 14.5.1, are meant to fix arbitrary code execution exploits present in WebKit, Apple’s framework that renders most of the web content you see on your device, the updates patch a hole that let malicious websites run unchecked code on your device and also Ames to fix issues with the app transparency feature in iOS 14.5
If you have an older device, such as an iPhone 5 or 6, iPad Air or Mini 2 and 3, Apple also released iOS 12.5.3, which addresses WebKit flaws.