NPC Spawn Issue: mobs not pathing

[Vandolas]

I've noticed in several zones that many of the mobs do not path or the spawns do not cycle properly. Qeynos Hills, North Qeynos newbie area, North Ro and specially Erud's Crossing. On Erud's Crossing most of the mobs are suppose to be pathing with only a few static mobs and they are suppose to cycle through the different types of mobs that spawn on the island. This simply is not the case. I think there is all of 4 or 5 mobs that path at all on Erud's Crossing. The newbie area in N. Qeynos has issues with many of the mobs staying static and not cycling through after you've killed them. For example the 3 decaying skel's and 2 rats to the south end of the newbie area. In Qeynos hills several of the giant bats right near the merchants house do not move as well as the putrid skel and a few other mobs.

Many times when you kill a mob that exact same mob will always respawn in the same spawn point. These are suppose to cycle through a list of mobs in their areas.