Fix bug 1181554 (RenderItem Comparer error due to Vector3.Normalize on 0 vector)
Fix bug 1120345 (Cars start oscillating, due to placing two wheelaxle on the same offset, thus all vector operations failed in computing parts location)
Fix for a small bug in X.1738 that multiplied the number of light cones on each locomotive by 2 every time it saw another, which quickly spiralled out and ate all memory.
Trying to make freight animate and cab view better on SE tracks (bug 1184184), however the current solution is to make both cab and freight animated body not rotate at all as a properly rotated cab needs much larger cab texture.