Texture UV issue in game build

I'm having an issue with UVs in the final game build. In the editor, as you can see on the left, the grate texture looks fine. But when I build the game, the grate texture gets mangled on any shape that isn't a square. The mesh has been triangluated on the top faces as shown in the shots from Maya. I don't have mesh compression checked in the import for this mesh. Has anyone run into this issue?

 

Maybe you have exported by mistake some kind of animationa and you havent removed it in Model Import settings?
Or maybe you are using some strange shader? It can works than differently in editor and in build.
Also I think you can use some shader for UVs debug to see if UVs is changing in way editor->build

 

There are no animations on the meshes and the animation import is set to None. The shader is one of the Unity default shaders Transparent/Bumped Specular. I've also tried it with just Diffuse and get the same distortion.

 

I found the problem. If the UVs are mapped to too small of an area, there will be some data rounding errors that cause the warping. I'm not really sure why this happens only in the game build and not in the development mode. By scaling up the UV's, the problem went away.

 

if anyone still interested, the problem is player setting -> optimizaion section -> vertex compression and optimize mesh data, these optimization cloud resulting accuracy lost