Maya 2015 : bug reverting Uv's modification at export + de-assign material

[Em']

Hi, I'm facing a curious bug in my maya. It happened in several files.

 When i make modification on my meshes Uvs and hit "save file" or export to fbx, the changes are reverted to their previous state.

Same for "save file", if i re-open the file : the modified meshes are assigned the green default missing material and the Uvs are also reverted.
 

It happens in several files, i tried to copy and paste the content of my files to see if it was corrupted but it didn't change anything. At first i thought i needed to name properly my meshes so i hadn't dupplicate shapename, but wasn't the solution.

 

If you have any idea how to solves this shit, just post below

 

Video of the problem :

http://youtu.be/tWAo0ueU_7c

 

Help thread on Polycount :

http://www.polycount.com/forum/showthread.php?t=1394950

 

edit : One workaround i found was to dupplicate, merge and delete the dupplicate. So that no history could be store... but I also did this on several meshes and kept having the same bug, like a fucking random dice deciding wich mesh gonna kill me.

Edited September 8, 2014 by Em'

[Pampers]

I was going to check out 2015 at work tomorrow anyway, I can see if I get the same bug.

[fierox]

Weird, never had or seen problem.. i'm on Maya 2014.

Cant read the polycount discussion, dont have a login there.

But if you can send a bit of the mesh that has this problem i can have a look OBJ or something?