https://arstechnica.com/gadgets/2019/12/apple-releases-macos-catalina-10-15-2-ios-and-ipados-13-3/

As has become a custom, Apple has simultaneously released software updates for nearly its entire suite of consumer products today—including iOS 13.3, iPadOS 13.3, macOS Catalina 10.15.2, watchOS 6.1.1, tvOS 13.3—and an update for HomePods. All updates should be available to all users by the end of the day.