Source
https://worldofwarcraft.com/en-us/news/20335228
* Track Mechanicals granted to all gnome and goblin hunters, as well as any hunter who uses the Mecha-Bond Imprint Matrix.
* Posthaste now lasts 5 seconds (was 8 seconds).
* Vulnerable now increases damage by 50% (was 25%), stacking up to 2 times (was 3 times).
* New Hunter talent (replacing Dash):
Trailblazer: Your movement speed is increased by 25% anytime you have not attacked for 3 seconds.
Survival
* Raptor Strike damage increased by 100%.
* Carve damage increased by 150%.
* Butchery damage increased by 35%.
* Throwing Axes damage increased by 25%.
* Animal Instincts has been redesigned: Flanking Strike now also reduces the remaining cooldown of a random one of the following abilities:
Flanking Strike
Mongoose Bite
Aspect of the Eagle
Harpoon