BFA Update (still lots of testing to do tho)

Source/Game/AI/CoreAI/CreatureAI.cs

@@ -261,6 +261,7 @@ namespace Game.AI
             me.ResetPlayerDamageReq();
             me.SetLastDamagedTime(0);
             me.SetCannotReachTarget(false);
+            me.DoNotReacquireTarget();
 
             if (me.IsInEvadeMode())
                 return false;

Source/Game/AI/CoreAI/PetAI.cs

@@ -39,6 +39,12 @@ namespace Game.AI
             if (me.IsCharmed() && me.GetVictim() == me.GetCharmer())
                 return true;
 
+            // dont allow pets to follow targets far away from owner
+            Unit owner = me.GetCharmerOrOwner();
+            if (owner)
+                if (owner.GetExactDist(me) >= (owner.GetVisibilityRange() - 10.0f))
+                    return true;
+
             return !me.IsValidAttackTarget(me.GetVictim());
         }