We have some special code in place to render a flame on appropriate objects from Book 2 - noticed that we don't have the Book 3 "tall torch" graphic in there.
Okay, turns out the IDs are all the same; the logic for the flame rendering was just specifically checking for Book 2. This should be fixed now (forgot to mention the issue in the commit).
We have some special code in place to render a flame on appropriate objects from Book 2 - noticed that we don't have the Book 3 "tall torch" graphic in there.