Officially supports iOS 12.0 up to iOS 14.8.1 (and some experimental support for later versions on specific hardware).
For years, Windows users looking to jailbreak their checkm8-vulnerable iOS devices faced a major inconvenience: checkra1n was officially a macOS-only tool. The Linux version provided a workaround, but running it on Windows still required creating a bootable USB drive or using a live Linux environment. checkra1n 0.12.2 patched windows
Resolved issues where certain system processes were loading incorrectly on specific platforms. Compatibility Checkra1n 0.12.2 works on devices with the chip (iPhone 5s through iPhone X) running iOS 12.0 to 14.8 The Apple Wiki iPhone 8, 8 Plus, and X: Officially supports iOS 12