Apple has today released iOS 14.5.1, iPadOS 14.5.1, macOS Big Sur 11.3.1, and watchOS 7.4.1.
Apple's release notes for iOS 14.5.1 state that the update fixes an issue with App Tracking Transparency (ATT) where some users who previously disabled Allow Apps to Request to Track in Settings may not receive prompts from apps after re-enabling.
According to the full security notes for the macOS Big Sur 11.3.1 release, it…