Recently PlayStation 4 developer Duxa (aka @Chrushev) made available a PS4 PKG Repackager which allows you to repackage fake patch update PKGs to work with your games on a jailbroken PS4 console. ;)
Download: Duxas PS4 patch repackager 7.2.18.zip (17.84 MB)
Here's what Chrushev had to say on...