Cool tool!
It's kind of insane to that in 2022 were still dealing with "save early, save often."
Our tools are so antiquated. Storage is cheap and computers are fast, every keystroke should be persisted somewhere I can recover from rather than having to manually save and commit works in progress.
vim had an undo tree for 10 years (or longer?) [0] and there are plugins (eg [1]) that make it very easy to go back in history and also to explore different branches of your undo/edit history. Dura will not track changes that are not saved to disk IIUC
[0]: https://vimhelp.org/undo.txt.html#undo-tree [1]: https://github.com/mbbill/undotree