The recent launch of the checkm8 bootrom exploit for A5-A11 devices certainly piqued the interest of many, and perhaps a lot more than some people would like.
Electra Team lead developer CoolStar took to Discord over the weekend to announce that he would be shifting focus away from A12(X) jailbreak development on iOS 12.1.3 and later and more toward experimenting with and developing around the checkm8 exploit: