: Users on older chips (like the A7) often report that it may take multiple attempts to successfully trigger the jailbreak. Molecular Visualization (LiteMol Viewer 1.6.5) In scientific research, "Chimera" refers to UCSF Chimera
: Fixed potential kernel panics on 4K devices (A7/A8), significantly improving the reliability of the jailbreak after a reboot. chimera 1.6.5
The most notable technical change in version 1.6.5 is the update to the internal handling of the MOG (Managed Object Generation) field within the Linux Binary Interface. : Users on older chips (like the A7)
Chimera does not tamper with system files unnecessarily, making it easier to "Restore RootFS" if you ever want to return to a stock state. Chimera does not tamper with system files unnecessarily,
(e.g., iPhone 5s, iPhone 6, and iPad Air). Key technical refinements in the 1.6.x series include: A7/A8 Stability Fixes
Whether you’re looking to install legacy tweaks or just want to squeeze a bit more utility out of your older hardware, version 1.6.5 is the most stable version to date. Chimera - The Apple Wiki