They were considering it at some point. There’s been no update since then but they seem to be following this blogpost quite closely in terms of new features.
Help building and tracking your credit score
Credit scores and how they’re calculated aren’t transparent. But they make a real difference in the interest rates you’re offered and whether or not you get access to the credit you need. Could Monzo help you know what you need to do to improve your score, and let you know when it changes?