This is before my commit, which has the symptoms described:
https://dl.dropboxusercontent.com/u/...pre_change.mp4
This is after my commit:
https://dl.dropboxusercontent.com/u/...ost_change.mp4
This is runspeed 10 on the NPC for sake of speed testing, the NPC is warping before I made the change.
When normal runspeed, the NPC makes normal transitions as well.
This is what is effective in the main code. So I'm not sure if what people are reporting is actually in the most recent code.