Does anyone have any technical information about the (0day?) exploits used by this new jailbreak? The source code on github seems to be very out of date. Will

Does anyone have any technical information about the (0day?) exploits used by this new jailbreak? The source code on github seems to be very out of date. Will Apple delay the release of macOS 10.15.5, which is expected this week? (Curious to know if the same exploit applies to macOS).