Apple today released iOS 17.2.1, a minor update to the iOS 17 operating system first released in September. iOS 17.2.1 was released about two weeks after Apple released iOS 17.2. The last update brought features such as note-taking applications and spatial video recording.
iOS 17.2.1 can be downloaded wirelessly to eligible iPhones and iPads through Settings > General > Software Update.
According to Apple's update release notes, the iOS 17.2.1 update includes unspecified bug fixes.
Apple is already testing iOS 17.3 and iPadOS 17.3, and these updates are expected to be released in January.