I would think if ND has no intentions of returning to the J&D franchise, then they would have been fine passing it off to another dev. Much like with Crash, and now Crash 4 pretty much confirms ND never has any plans of a new Crash game. Surely Sony has wanted a new Jak game for years considering the nostalgia for the original games and sales potential. So yes, I think ND has committed to revisiting the franchise at some point, and I do think it will be for PS5 for sure. The question is does it happen next or do the do a new IP first? Theres a good argument to be made for either sequence, so I dont know. But its been so long now, I would go with the Jak game first if I were them. Feels like the right time for the hype to be big for it.