Pwn20wnd surprises again with his continued dedication towards including A12 and A12X devices (iPhone XS, XS Max, XR, and the latest iPad Pro) into the supported Unc0ver Jailbreak devices list. For a few good months, Pwn20wnd has been working on an alternative to Cydia Substrate (former Mobile #Substrate) by Saurik, after Saurik (Jay Freeman) has…