Yes.
Mainly, you get to add your ability modifier to damage for weapon attacks.
So instead of 2d8, you get 1d8+4+1d8+4.
And they added extra effects to weapons in 2024 via weapon masteries. So you can push, topple, slow, ect... and you can do it twice.
Yes. You dealt 2|W| damage, or 2 times...