: iOS 15 introduced a "sealed" root file system, forcing developers to transition to rootless jailbreaks . This means modifications are restricted to certain directories, which changed how many traditional tweaks functioned.
: While older devices (iPhone X and earlier) remained vulnerable via hardware-level exploits like checkm8 , newer A12+ chips required entirely new software-based kernel vulnerabilities. Why Users Jailbreak iOS 15 2022---iOS-15--the-first-jailbreak-tool-is-finally-available
: At launch, the tool focused on iOS 15.0 through iOS 15.1.1 . The developers later worked toward expanding support for versions up to iOS 15.4.1 . : iOS 15 introduced a "sealed" root file
: In July 2022, the Odyssey Team announced Cheyote (formerly Taurine15), the first major tool specifically designed for iOS 15. 2022---iOS-15--the-first-jailbreak-tool-is-finally-available