There are two NPCs, Periale and Cylania, and they have different heights.
This is something I have been asking Blizzard for a long time… different heights, different body types (slimmer, stronger, fuller, more/less horizontal, more/less vertical).
Especially for Orcs, Orcs with different heights and the possibility of making them with slightly less shoulder width (to look more like Samuro from WC3)…
Could these two NPCs be indicative that this is a possibility?
While better customization would be welcome, I think the difficulty is that adding options keeps adding volumes of data to send across the server to other players to display their surroundings.
The game was not initially designed to share so much data, and so far they’ve preferred adding additional races as added variations.
I believe we’d need a brand new wow for such customization to be possible.
Hmm, indeed, conveying so much information to the player can be problematic, and I’m not sure if the game engine would start having issues with that…
I believe that if this were to be a problem, then adding new hairstyles, for example, would also be a problem since there would be more options to load on the screen, right?
Height or “verticality” presets might not be that heavy to implement i guess 
We just gonna act like child NPC’s who are three feet shorter than other NPC’s haven’t been in the game since 2004?
Could it just be the two NPCs are just scaled differently? You could make a gnome as tall as a tauren or vice versa.
i too noticed something new.
Basic campire? Nay advanced campire!
dont worry one day this campfire will burn down your tree. OH NO. look at that clumsy me i dropped this scorching hot pan on this WOODEN TREE HOUSE.
Maybe, but I noticed that the arms were also smaller. Either the scaling works like that, or it was meant to represent someone a bit younger.