https://arstechnica.com/gadgets/2022/01/apple-fixes-major-safari-vulnerability-with-ios-15-3-macos-12-2/

Today, Apple released several new operating system updates to the public: iOS 15.3, iPadOS 15.3, macOS Monterey 12.2, watchOS 8.4, tvOS 15.3, and HomePod Software 15.3.

The update notes for these releases are some of the leanest I've seen. iOS, iPadOS, and macOS simply state that the update "includes bug fixes and security updates" and is "recommended for all users."