Maybe this was fixed by the other torch bug in 33a, but in 32d, when the EnderDragon is killed, the resulting exit portal has wrongly rendered torches, which seem to be reversed front to back, so that they hang in the air above the four sides of the portal.
Related issues
Comments
migrated
steveswales
This issue has been reported already. It has been linked to the original bugreport.
Please search before reporting any bugs, as it's likely that one exists already.