Better late than never, I guess they solved whatever issue they had.
they want to enjoy the 2 weeks to celebrate the launch of the game first.
That was never true, developers were already able to transfer saves from PS3 to Vita to PS4. It probably takes a lot more work than it does on Xbox though.
It does, so far every game on PS5 has a new trophy list from the PS4.
It does, so far every game on PS5 has a new trophy list from the PS4.