Apple has released iOS and iPadOS 15.4.1, a minor update that addresses a few bugs, fixes a security flaw being exploited in the wild and addresses excessive battery drain after updating to iOS 15.4.
Minor updates RSS
Apple has released iOS and iPadOS 15.3.1 to fix a WebKit vulnerability. There's another update for MacBooks to fix a bug that causes excessive battery drain and a security update for Apple Watch.