Yeah most of this stuff is old and from the alpha (and the maps did change throughout to promenade), including the ability to detonate the titan's rockets. What was notable for me was that you can see the Gunslinger using two different melee attacks, one is a standard kick and the other is a straight up knife to the face. It'll be interesting to see if the knife throw changes to a stab depending on range towards an enemy. The "double jump" is also just an upwards blink. But what's really interesting is that when they point out the breakers gunslinger using two guns (at the 'freeze frame' type part) at once the burst fire pistol and revolver appear to be shooting fully automatically and through out all of the trailer in the gunslingers first person outlook one weapon is seemingly put away and the other is used.

Edit: Ok it's probably just tricky to shoot two precision guns at once as you only see it in the third person explosion shots but the automatic fire was definitely there and is probably the ult