Some changes you will see in a future PTR build:
The BM Hunter 4p has changed to Matar
reducing the cooldown of Aspecto de lo salvaje
The Marksmanship Hunter 4p has changed to just be a way simpler tooltip with roughly the same value, and has swapped places with the 2p. This makes the new 2p a buff to your Focus builders, and the 4p the chance for Marked Shot to shoot a target twice.