Hi, I yapped a bunch about what has leaked thus far onto here, candidly i was hoping i could provide more meaningful insight beyond just explaining it but I may expand on it further later.
I'll try and make a follow up going into more nerdy details, although there isnt TOO much w/r/t that.
lucas7yoshi-rs.leaflet.pub
The GTA 6 Video Leaks
and what a nerd thinks about them