MacRumors published a story that Apple has released an iOS and iPadOS 14.5.1 update with fixes for App Tracking Transparency and WebKit.
Apple Releases iOS and iPadOS 14.5.1 With Fixes for App Tracking Transparency Bug, WebKit Security Issues
Apple today released iOS and iPadOS 14.5.1, minor security updates that come just a week after the release of the iOS 14.5 update. There is also a companion watchOS 7.4.1 update for Apple Watch and an iOS 12.5.3 update for older iPhone and iPad devices that don't support Apple's latest operating system versions. According to Apple's release notes, the update fixes a bug with App Tracking Transparency that may have prevented some users from receiving prompts from apps.