Specter on Twitter: "Took me a bit longer than I'd hoped - but the PS4 5.05 Kernel Exploit writeup has now been published :). If you have any suggestions for clarity or
PS4 Jailbreak Guide - HEN Exploit on 5.05 - CFWaifu
PS4 exploits: the status for 5.5x owners (5.50, 5.53, 5.55) - Wololo.net