Apple recently released iOS 18.2 for iPhone with new Apple Intelligence features, and is now preparing to launch another update, iOS 18.2.1, according to MacRumors.
iOS 18.2.1 will be a minor update focused on bug fixes and addressing security vulnerabilities. However, the specific issues to be resolved are currently unknown.
The software is expected to be released towards the end of December or early January. It is currently undergoing internal testing.
Additionally, Apple is also testing iOS 18.3, though this update is not expected anytime soon. It is likely to be released in January.