Storing a change history for the “notes” field, or other custom text fields is especially important. This may contain security question answers, and so random loss can be quite painful. This feature does exist in lastpass.
The original github feature request was for a change history on all fields, with the “notes” field specifically emphasized. I am surprised that the community forum discussion for the same feature was given a different title, and later marked as closed, even though a history for only passwords was implemented.
Referenced links:
(https://github.com/bitwarden/server/issues/33)
(Password change history)
PS, A good version history need not take up much space in the database. Typically a program would use a “diff” library to store older versions of text.