In the old xml-based version, there was no way to add comments to your model. That's right, no comments. You could add them to the xml by hand, but they were

In the old xml-based version, there was no way to add comments to your model. That's right, no comments. You could add them to the xml by hand, but they were then not exposed to any of the normal tooling. I wonder, did they ever bother to try using their library in an actual system before shipping it? </vitriol> So it may be worth looking at now. Once they add migrations support it could be useful.