By This update provides important bug fixes and is recommended for all users,” Apple writes in the update’s description on your iPhone. However, Apple hasn’t posted detailed release notes online for the update, so it’s unclear what bug fixes iOS 17.2.1 addresses.
Apple normally posts an update’s Apple normally posts an update’s release notes online when the download becomes available. But there have been some instances where Apple hasn’t posted these notes, like with the release of iOS 17.1.1 and iOS 17.0.2.
