That was not unreleased, it was one of the first trailers of the game showcased for the press and it ended up being also on many DVDs of old PS2 magazines. I remember it perfectly.
There were tons of comments about how that number of polygons was insane for the time
Yes, i cannot wait to hear, "the new Jak is pretty and the gameplay is great but meh…it still feels like the same old jak to me shrug, noting exciting"
Let's hope the don't waste their time with this IP and make Uncharted 5 -with Nate as the main playable character-, TLOU3 (just to torture and murder Abby) and a new IP instead.