If you’ve been paying any attention to the jailbreak community recently, then you’ve undoubtedly caught wind about the new checkm8 bootrom exploit.
Given how checkm8 is a bootrom exploit, it can’t be patched with a software update, and it works on all A5-A11 devices up to and including the iPhone X. With that in mind, it should come as no surprise to anyone that avid jailbreak developers are attempting to get their hands dirty with it.