One past thread:

Margin Notes: Automatic code documentation with recorded examples from runtime - https://news.ycombinator.com/item?id=18547598 - Nov 2018 (10 comments)

This is great, but it is also an enormous privacy and security risk. Better audit these examples extremely carefully! More and more important the larger the API surface gets.

(author here) Yes, totally agree. I think this is one of the biggest barriers to adopting this kind of tool in production.

One simple solution might be to only run the recording process on test data and never run in prod.

Does any IDE have a plug-in for Margin Notes?