Here are Apple’s full iOS 18.2 release notes

iOS 18.2
Apple’s iOS 18.2 update released Wednesday introduces new features powered by Apple Intelligence, the personal intelligence system that unlocks powerful new ways to communicate, work, and express yourself, all while protecting your data with an extraordinary step forward for privacy in AI. New features include Image Playground which lets you create delightful, fun images, Genmoji to create original emoji to share with family and friends, ChatGPT support integrated right into Siri