He isn't releasing it because that ending IS how the series ends. He was consulted, he signed off on it.
If you watched the last season and were angry at how it ended, imagine having to READ that shyt. Hours and hours of your life you won't get back on that shyt.
He was trying to come up with something better but the overwhelming negative reaction broke his spirit and all his drafts just ended up being trash so he's given up. I think I even read somewhere that he's asked that his notes be destroyed upon his death.
With that said, I'm tuning in for season 2 of house of the dragon this summer
Nah, this isn't accurate.
He had very little to do with seasons 5-8.
George R.R. Martin Kept ‘Out of the Loop’ on Four ‘Game of Thrones’ Seasons and Doesn’t Know Why: ‘Ask’ the Showrunners
George R.R. Martin became estranged from "Game of Thrones" and has no idea why: "Ask" the showrunners.
variety.com
He begged Weiss and Benioff to do 10 seasons. They declined.
It didn't end how or when he wanted it to.
Fred.