The first version is for macOS, which has snapshots [1] and file versioning [2] built-in.
[1]: https://eclecticlight.co/2024/04/08/apfs-snapshots/
[2]: https://eclecticlight.co/2021/09/04/explainer-the-macos-vers...
RSX-11M for the PDP-11 had filesystem versioning back in the early 1980s, if not earlier.
Are average users likely to be using these features? Most devs at my company don’t even have Time Machine backups