They haven’t had the feature for a huge amount of time but it works alright, with some minor mistakes here and there. As with most managers, it struggles when there are more than two fields to populate
For the sites I normally visit, it works well.
GitHub and some famous banks/credit card providers.
Mfa code doesn't autofill, but it's just a click to copy.
Pretty sure you can set it to auto-copy the TOTP, so you technically don’t need to click anything