What version of the mul files is UOF using on the server end?

I was just wondering what version of the mul or uop files the server is using, I have noticed some spots I can't walk through, and by switching between client versions and versions of the mul/uop files have found walls etc in some that are not in others. So I'm seeing/not seeing a few things would like to see if I can get a bit closer to the server's version of those files.
 
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