So S3D still works? Probably not on all files though... I must warn everybody to not assume S3D is safe to use on any file it 'seems to open'. I cannot confirm the entire file structure is the same, I expect it not to be for several reasons.
But if it works after testing your mod, well then, lucky you!
[edit] Just noticed, two controllers in your file have their definition changed it seems, as they can no longer be parsed. Ah the fun begins... let's hope not too many controllers have changed