I’m pretty sure SQLite doesn’t implement transactions that way anyway. That’s a pretty bad misunderstanding of how it works. I suppose it’s easy to think you can do better than SQLite if you think SQLite is really bad.
SQLite never implemented transactions that way, neither in undo nor WAL mode.
Someone might have misunderstood how undo logging / rollback journals work. Only pages to be changed are recorded in the rollback journal, not the entire database.
