on the first page
http://forums.dirtybomb.nexon.net/discussion/33475/the-mofo-update-update-notes-11-22-2016#latest
Experience System Updates
XP earning rates have been adjusted to be more even across the Mercs.
General
Reduced the number of kill assists required to earn an Assist Badge, from 15/25/50 to 10/20/30
Aimee
Increased spotting an Enemy to 60XP (from 40XP)
Arty
Calling in Artillery 5XP (from 10XP)
Bushwhacker
Deploying a Turret 60XP (from 50XP)
Turret starts shooting an enemy 30XP (from 20XP)
Phantom
Increased Disabling a deployable to 50XP (from 30XP)
Increased Refractive Armor usage to 5XP/s (from 4XP/s)
Phoenix
Reduced Healing Pulse to 5XP (from 10XP)
Reduced Self-Revive to 5XP (from 10XP)
Redeye
Increased spotting an Enemy to 60XP (from 40XP)
Sawbonez
Throwing a Health Pack 10XP (from 20XP)
Skyhammer
Calling in an Airstrike 50XP (from 25XP)
Sparks
Throwing a Health Pack 10XP (from 20XP)
Stoker
Throwing a Molotov 20XP (from 30XP)
Thunder
Concussing an enemy 20XP (from 10XP)
Vassili
Increased spotting an Enemy to 60XP (from 40XP)
maybe you didnt read the update notes…