That'd be
https://www.mobileread.com/forums/sh...ad.php?t=88004
It was recently(-ish) updated to account for the final FW versions in a slightly less convoluted way than it used to.
Then once you get KUAL + MRPI running,
https://www.mobileread.com/forums/sho...d.php?t=225030 for actually up to date packages

.