It's a straight 284 that was designed by @Alex Wheeler, improvements based off his extensive time and experience testing various modifications.
And which Alex is going to hold very closely to his chest...
I asked.
He politely declined to divulge any details.
Which I can fully understand given the nature of the sport and how what's perceived as a competitive advantage is worth something as long as it's perceived to give one's competitive efforts an edge over what others can bring to the game.