Saving the versioning in the same file would lead to security issues. Imagine redacting a file before sending it to someone. All they have to do is roll back a

Saving the versioning in the same file would lead to security issues. Imagine redacting a file before sending it to someone. All they have to do is roll back a few versions to recover the original. (Note this is not a criticism of the "use SQLite" argument; just a criticism of the specific schema.)