iOS 11 supported devices: all (Cydia & Substrate support)
• iOS 12 fully supported devices: A7 - A11 (Cydia & Substrate support)
• iOS 12 no full support yet for A12+ (but you can set your nonce's generator!)
- A12: iPhones Xs, Xs Max, Xr
- A12X: iPads Pro 11" 1st Gen & 12.9" 3rd Gen

iPad Air 3 and iPad mini 5 were released with iOS 12.2, so will obviously not be supported.

Changelog v3.0.0
• The official release of version 3.0.0

Changelog v3.0.0-b51
• Clean up
• Update jailbreak-resources to improve the performance and fix a kernel memory leak
• Display the bytes written to the kernel memory in the status message
• Fix the icon cache issue in RootFS Restore (e.g. Cydia staying on the home screen after restoring the root filesystem)